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How to use transform method in ng-mocks

Best JavaScript code snippet using ng-mocks

geo.py

Source:geo.py

...57        Axes.set_xlim(self, -np.pi, np.pi)58        Axes.set_ylim(self, -np.pi / 2.0, np.pi / 2.0)59    def _set_lim_and_transforms(self):60        # A (possibly non-linear) projection on the (already scaled) data61        self.transProjection = self._get_core_transform(self.RESOLUTION)62        self.transAffine = self._get_affine_transform()63        self.transAxes = BboxTransformTo(self.bbox)64        # The complete data transformation stack -- from data all the65        # way to display coordinates66        self.transData = \67            self.transProjection + \68            self.transAffine + \69            self.transAxes70        # This is the transform for longitude ticks.71        self._xaxis_pretransform = \72            Affine2D() \73            .scale(1.0, self._longitude_cap * 2.0) \74            .translate(0.0, -self._longitude_cap)75        self._xaxis_transform = \76            self._xaxis_pretransform + \77            self.transData78        self._xaxis_text1_transform = \79            Affine2D().scale(1.0, 0.0) + \80            self.transData + \81            Affine2D().translate(0.0, 4.0)82        self._xaxis_text2_transform = \83            Affine2D().scale(1.0, 0.0) + \84            self.transData + \85            Affine2D().translate(0.0, -4.0)86        # This is the transform for latitude ticks.87        yaxis_stretch = Affine2D().scale(np.pi * 2.0, 1.0).translate(-np.pi, 0.0)88        yaxis_space = Affine2D().scale(1.0, 1.1)89        self._yaxis_transform = \90            yaxis_stretch + \91            self.transData92        yaxis_text_base = \93            yaxis_stretch + \94            self.transProjection + \95            (yaxis_space + \96             self.transAffine + \97             self.transAxes)98        self._yaxis_text1_transform = \99            yaxis_text_base + \100            Affine2D().translate(-8.0, 0.0)101        self._yaxis_text2_transform = \102            yaxis_text_base + \103            Affine2D().translate(8.0, 0.0)104    def _get_affine_transform(self):105        transform = self._get_core_transform(1)106        xscale, _ = transform.transform_point((np.pi, 0))107        _, yscale = transform.transform_point((0, np.pi / 2.0))108        return Affine2D() \109            .scale(0.5 / xscale, 0.5 / yscale) \110            .translate(0.5, 0.5)111    def get_xaxis_transform(self,which='grid'):112        if which not in ['tick1','tick2','grid']:113            msg = "'which' must be on of [ 'tick1' | 'tick2' | 'grid' ]"114            raise ValueError(msg)115        return self._xaxis_transform116    def get_xaxis_text1_transform(self, pad):117        return self._xaxis_text1_transform, 'bottom', 'center'118    def get_xaxis_text2_transform(self, pad):119        return self._xaxis_text2_transform, 'top', 'center'120    def get_yaxis_transform(self,which='grid'):121        if which not in ['tick1','tick2','grid']:122            msg = "'which' must be one of [ 'tick1' | 'tick2' | 'grid' ]"123            raise ValueError(msg)124        return self._yaxis_transform125    def get_yaxis_text1_transform(self, pad):126        return self._yaxis_text1_transform, 'center', 'right'127    def get_yaxis_text2_transform(self, pad):128        return self._yaxis_text2_transform, 'center', 'left'129    def _gen_axes_patch(self):130        return Circle((0.5, 0.5), 0.5)131    def _gen_axes_spines(self):132        return {'geo':mspines.Spine.circular_spine(self,133                                                   (0.5, 0.5), 0.5)}134    def set_yscale(self, *args, **kwargs):135        if args[0] != 'linear':136            raise NotImplementedError137    set_xscale = set_yscale138    def set_xlim(self, *args, **kwargs):139        raise TypeError("It is not possible to change axes limits "140                        "for geographic projections. Please consider "141                        "using Basemap or Cartopy.")142    set_ylim = set_xlim143    def format_coord(self, lon, lat):144        'return a format string formatting the coordinate'145        lon = lon * (180.0 / np.pi)146        lat = lat * (180.0 / np.pi)147        if lat >= 0.0:148            ns = 'N'149        else:150            ns = 'S'151        if lon >= 0.0:152            ew = 'E'153        else:154            ew = 'W'155        return '%f\u00b0%s, %f\u00b0%s' % (abs(lat), ns, abs(lon), ew)156    def set_longitude_grid(self, degrees):157        """158        Set the number of degrees between each longitude grid.159        """160        number = (360.0 / degrees) + 1161        self.xaxis.set_major_locator(162            FixedLocator(163                np.linspace(-np.pi, np.pi, number, True)[1:-1]))164        self._logitude_degrees = degrees165        self.xaxis.set_major_formatter(self.ThetaFormatter(degrees))166    def set_latitude_grid(self, degrees):167        """168        Set the number of degrees between each longitude grid.169        """170        number = (180.0 / degrees) + 1171        self.yaxis.set_major_locator(172            FixedLocator(173                np.linspace(-np.pi / 2.0, np.pi / 2.0, number, True)[1:-1]))174        self._latitude_degrees = degrees175        self.yaxis.set_major_formatter(self.ThetaFormatter(degrees))176    def set_longitude_grid_ends(self, degrees):177        """178        Set the latitude(s) at which to stop drawing the longitude grids.179        """180        self._longitude_cap = degrees * (np.pi / 180.0)181        self._xaxis_pretransform \182            .clear() \183            .scale(1.0, self._longitude_cap * 2.0) \184            .translate(0.0, -self._longitude_cap)185    def get_data_ratio(self):186        '''187        Return the aspect ratio of the data itself.188        '''189        return 1.0190    ### Interactive panning191    def can_zoom(self):192        """193        Return *True* if this axes supports the zoom box button functionality.194        This axes object does not support interactive zoom box.195        """196        return False197    def can_pan(self) :198        """199        Return *True* if this axes supports the pan/zoom button functionality.200        This axes object does not support interactive pan/zoom.201        """202        return False203    def start_pan(self, x, y, button):204        pass205    def end_pan(self):206        pass207    def drag_pan(self, button, key, x, y):208        pass209class AitoffAxes(GeoAxes):210    name = 'aitoff'211    class AitoffTransform(Transform):212        """213        The base Aitoff transform.214        """215        input_dims = 2216        output_dims = 2217        is_separable = False218        def __init__(self, resolution):219            """220            Create a new Aitoff transform.  Resolution is the number of steps221            to interpolate between each input line segment to approximate its222            path in curved Aitoff space.223            """224            Transform.__init__(self)225            self._resolution = resolution226        def transform_non_affine(self, ll):227            longitude = ll[:, 0:1]228            latitude  = ll[:, 1:2]229            # Pre-compute some values230            half_long = longitude / 2.0231            cos_latitude = np.cos(latitude)232            alpha = np.arccos(cos_latitude * np.cos(half_long))233            # Mask this array or we'll get divide-by-zero errors234            alpha = ma.masked_where(alpha == 0.0, alpha)235            # The numerators also need to be masked so that masked236            # division will be invoked.237            # We want unnormalized sinc.  numpy.sinc gives us normalized238            sinc_alpha = ma.sin(alpha) / alpha239            x = (cos_latitude * ma.sin(half_long)) / sinc_alpha240            y = (ma.sin(latitude) / sinc_alpha)241            return np.concatenate((x.filled(0), y.filled(0)), 1)242        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__243        def transform_path_non_affine(self, path):244            vertices = path.vertices245            ipath = path.interpolated(self._resolution)246            return Path(self.transform(ipath.vertices), ipath.codes)247        transform_path_non_affine.__doc__ = Transform.transform_path_non_affine.__doc__248        def inverted(self):249            return AitoffAxes.InvertedAitoffTransform(self._resolution)250        inverted.__doc__ = Transform.inverted.__doc__251    class InvertedAitoffTransform(Transform):252        input_dims = 2253        output_dims = 2254        is_separable = False255        def __init__(self, resolution):256            Transform.__init__(self)257            self._resolution = resolution258        def transform_non_affine(self, xy):259            # MGDTODO: Math is hard ;(260            return xy261        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__262        def inverted(self):263            return AitoffAxes.AitoffTransform(self._resolution)264        inverted.__doc__ = Transform.inverted.__doc__265    def __init__(self, *args, **kwargs):266        self._longitude_cap = np.pi / 2.0267        GeoAxes.__init__(self, *args, **kwargs)268        self.set_aspect(0.5, adjustable='box', anchor='C')269        self.cla()270    def _get_core_transform(self, resolution):271        return self.AitoffTransform(resolution)272class HammerAxes(GeoAxes):273    name = 'hammer'274    class HammerTransform(Transform):275        """276        The base Hammer transform.277        """278        input_dims = 2279        output_dims = 2280        is_separable = False281        def __init__(self, resolution):282            """283            Create a new Hammer transform.  Resolution is the number of steps284            to interpolate between each input line segment to approximate its285            path in curved Hammer space.286            """287            Transform.__init__(self)288            self._resolution = resolution289        def transform_non_affine(self, ll):290            longitude = ll[:, 0:1]291            latitude  = ll[:, 1:2]292            # Pre-compute some values293            half_long = longitude / 2.0294            cos_latitude = np.cos(latitude)295            sqrt2 = np.sqrt(2.0)296            alpha = np.sqrt(1.0 + cos_latitude * np.cos(half_long))297            x = (2.0 * sqrt2) * (cos_latitude * np.sin(half_long)) / alpha298            y = (sqrt2 * np.sin(latitude)) / alpha299            return np.concatenate((x, y), 1)300        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__301        def transform_path_non_affine(self, path):302            vertices = path.vertices303            ipath = path.interpolated(self._resolution)304            return Path(self.transform(ipath.vertices), ipath.codes)305        transform_path_non_affine.__doc__ = Transform.transform_path_non_affine.__doc__306        def inverted(self):307            return HammerAxes.InvertedHammerTransform(self._resolution)308        inverted.__doc__ = Transform.inverted.__doc__309    class InvertedHammerTransform(Transform):310        input_dims = 2311        output_dims = 2312        is_separable = False313        def __init__(self, resolution):314            Transform.__init__(self)315            self._resolution = resolution316        def transform_non_affine(self, xy):317            x = xy[:, 0:1]318            y = xy[:, 1:2]319            quarter_x = 0.25 * x320            half_y = 0.5 * y321            z = np.sqrt(1.0 - quarter_x*quarter_x - half_y*half_y)322            longitude = 2 * np.arctan((z*x) / (2.0 * (2.0*z*z - 1.0)))323            latitude = np.arcsin(y*z)324            return np.concatenate((longitude, latitude), 1)325        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__326        def inverted(self):327            return HammerAxes.HammerTransform(self._resolution)328        inverted.__doc__ = Transform.inverted.__doc__329    def __init__(self, *args, **kwargs):330        self._longitude_cap = np.pi / 2.0331        GeoAxes.__init__(self, *args, **kwargs)332        self.set_aspect(0.5, adjustable='box', anchor='C')333        self.cla()334    def _get_core_transform(self, resolution):335        return self.HammerTransform(resolution)336class MollweideAxes(GeoAxes):337    name = 'mollweide'338    class MollweideTransform(Transform):339        """340        The base Mollweide transform.341        """342        input_dims = 2343        output_dims = 2344        is_separable = False345        def __init__(self, resolution):346            """347            Create a new Mollweide transform.  Resolution is the number of steps348            to interpolate between each input line segment to approximate its349            path in curved Mollweide space.350            """351            Transform.__init__(self)352            self._resolution = resolution353        def transform_non_affine(self, ll):354            def d(theta):355                delta = -(theta + np.sin(theta) - pi_sin_l) / (1 + np.cos(theta))356                return delta, np.abs(delta) > 0.001357            longitude = ll[:, 0]358            latitude  = ll[:, 1]359            clat = np.pi/2 - np.abs(latitude)360            ihigh = clat < 0.087 # within 5 degrees of the poles361            ilow = ~ihigh362            aux = np.empty(latitude.shape, dtype=np.float)363            if ilow.any():  # Newton-Raphson iteration364                pi_sin_l = np.pi * np.sin(latitude[ilow])365                theta = 2.0 * latitude[ilow]366                delta, large_delta = d(theta)367                while np.any(large_delta):368                    theta[large_delta] += delta[large_delta]369                    delta, large_delta = d(theta)370                aux[ilow] = theta / 2371            if ihigh.any(): # Taylor series-based approx. solution372                e = clat[ihigh]373                d = 0.5 * (3 * np.pi * e**2) ** (1.0/3)374                aux[ihigh] = (np.pi/2 - d) * np.sign(latitude[ihigh])375            xy = np.empty(ll.shape, dtype=np.float)376            xy[:,0] = (2.0 * np.sqrt(2.0) / np.pi) * longitude * np.cos(aux)377            xy[:,1] = np.sqrt(2.0) * np.sin(aux)378            return xy379        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__380        def transform_path_non_affine(self, path):381            vertices = path.vertices382            ipath = path.interpolated(self._resolution)383            return Path(self.transform(ipath.vertices), ipath.codes)384        transform_path_non_affine.__doc__ = Transform.transform_path_non_affine.__doc__385        def inverted(self):386            return MollweideAxes.InvertedMollweideTransform(self._resolution)387        inverted.__doc__ = Transform.inverted.__doc__388    class InvertedMollweideTransform(Transform):389        input_dims = 2390        output_dims = 2391        is_separable = False392        def __init__(self, resolution):393            Transform.__init__(self)394            self._resolution = resolution395        def transform_non_affine(self, xy):396            x = xy[:, 0:1]397            y = xy[:, 1:2]398            # from Equations (7, 8) of399            # http://mathworld.wolfram.com/MollweideProjection.html400            theta = np.arcsin(y / np.sqrt(2))401            lon = (np.pi / (2 * np.sqrt(2))) * x / np.cos(theta)402            lat = np.arcsin((2 * theta + np.sin(2 * theta)) / np.pi)403            return np.concatenate((lon, lat), 1)404        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__405        def inverted(self):406            return MollweideAxes.MollweideTransform(self._resolution)407        inverted.__doc__ = Transform.inverted.__doc__408    def __init__(self, *args, **kwargs):409        self._longitude_cap = np.pi / 2.0410        GeoAxes.__init__(self, *args, **kwargs)411        self.set_aspect(0.5, adjustable='box', anchor='C')412        self.cla()413    def _get_core_transform(self, resolution):414        return self.MollweideTransform(resolution)415class LambertAxes(GeoAxes):416    name = 'lambert'417    class LambertTransform(Transform):418        """419        The base Lambert transform.420        """421        input_dims = 2422        output_dims = 2423        is_separable = False424        def __init__(self, center_longitude, center_latitude, resolution):425            """426            Create a new Lambert transform.  Resolution is the number of steps427            to interpolate between each input line segment to approximate its428            path in curved Lambert space.429            """430            Transform.__init__(self)431            self._resolution = resolution432            self._center_longitude = center_longitude433            self._center_latitude = center_latitude434        def transform_non_affine(self, ll):435            longitude = ll[:, 0:1]436            latitude  = ll[:, 1:2]437            clong = self._center_longitude438            clat = self._center_latitude439            cos_lat = np.cos(latitude)440            sin_lat = np.sin(latitude)441            diff_long = longitude - clong442            cos_diff_long = np.cos(diff_long)443            inner_k = (1.0 +444                       np.sin(clat)*sin_lat +445                       np.cos(clat)*cos_lat*cos_diff_long)446            # Prevent divide-by-zero problems447            inner_k = np.where(inner_k == 0.0, 1e-15, inner_k)448            k = np.sqrt(2.0 / inner_k)449            x = k*cos_lat*np.sin(diff_long)450            y = k*(np.cos(clat)*sin_lat -451                   np.sin(clat)*cos_lat*cos_diff_long)452            return np.concatenate((x, y), 1)453        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__454        def transform_path_non_affine(self, path):455            vertices = path.vertices456            ipath = path.interpolated(self._resolution)457            return Path(self.transform(ipath.vertices), ipath.codes)458        transform_path_non_affine.__doc__ = Transform.transform_path_non_affine.__doc__459        def inverted(self):460            return LambertAxes.InvertedLambertTransform(461                self._center_longitude,462                self._center_latitude,463                self._resolution)464        inverted.__doc__ = Transform.inverted.__doc__465    class InvertedLambertTransform(Transform):466        input_dims = 2467        output_dims = 2468        is_separable = False469        def __init__(self, center_longitude, center_latitude, resolution):470            Transform.__init__(self)471            self._resolution = resolution472            self._center_longitude = center_longitude473            self._center_latitude = center_latitude474        def transform_non_affine(self, xy):475            x = xy[:, 0:1]476            y = xy[:, 1:2]477            clong = self._center_longitude478            clat = self._center_latitude479            p = np.sqrt(x*x + y*y)480            p = np.where(p == 0.0, 1e-9, p)481            c = 2.0 * np.arcsin(0.5 * p)482            sin_c = np.sin(c)483            cos_c = np.cos(c)484            lat = np.arcsin(cos_c*np.sin(clat) +485                             ((y*sin_c*np.cos(clat)) / p))486            lon = clong + np.arctan(487                (x*sin_c) / (p*np.cos(clat)*cos_c - y*np.sin(clat)*sin_c))488            return np.concatenate((lon, lat), 1)489        transform_non_affine.__doc__ = Transform.transform_non_affine.__doc__490        def inverted(self):491            return LambertAxes.LambertTransform(492                self._center_longitude,493                self._center_latitude,494                self._resolution)495        inverted.__doc__ = Transform.inverted.__doc__496    def __init__(self, *args, **kwargs):497        self._longitude_cap = np.pi / 2.0498        self._center_longitude = kwargs.pop("center_longitude", 0.0)499        self._center_latitude = kwargs.pop("center_latitude", 0.0)500        GeoAxes.__init__(self, *args, **kwargs)501        self.set_aspect('equal', adjustable='box', anchor='C')502        self.cla()503    def cla(self):504        GeoAxes.cla(self)505        self.yaxis.set_major_formatter(NullFormatter())506    def _get_core_transform(self, resolution):507        return self.LambertTransform(508            self._center_longitude,509            self._center_latitude,510            resolution)511    def _get_affine_transform(self):512        return Affine2D() \513            .scale(0.25) \...

affinetransform.js

Source:affinetransform.js

1// Copyright 2008 The Closure Library Authors. All Rights Reserved.2//3// Licensed under the Apache License, Version 2.0 (the "License");4// you may not use this file except in compliance with the License.5// You may obtain a copy of the License at6//7//      http://www.apache.org/licenses/LICENSE-2.08//9// Unless required by applicable law or agreed to in writing, software10// distributed under the License is distributed on an "AS-IS" BASIS,11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12// See the License for the specific language governing permissions and13// limitations under the License.14/**15 * @fileoverview Provides an object representation of an AffineTransform and16 * methods for working with it.17 */18goog.provide('goog.graphics.AffineTransform');19goog.require('goog.math');20/**21 * Creates a 2D affine transform. An affine transform performs a linear22 * mapping from 2D coordinates to other 2D coordinates that preserves the23 * "straightness" and "parallelness" of lines.24 *25 * Such a coordinate transformation can be represented by a 3 row by 3 column26 * matrix with an implied last row of [ 0 0 1 ]. This matrix transforms source27 * coordinates (x,y) into destination coordinates (x',y') by considering them28 * to be a column vector and multiplying the coordinate vector by the matrix29 * according to the following process:30 * <pre>31 *      [ x']   [  m00  m01  m02  ] [ x ]   [ m00x + m01y + m02 ]32 *      [ y'] = [  m10  m11  m12  ] [ y ] = [ m10x + m11y + m12 ]33 *      [ 1 ]   [   0    0    1   ] [ 1 ]   [         1         ]34 * </pre>35 *36 * This class is optimized for speed and minimizes calculations based on its37 * knowledge of the underlying matrix (as opposed to say simply performing38 * matrix multiplication).39 *40 * @param {number=} opt_m00 The m00 coordinate of the transform.41 * @param {number=} opt_m10 The m10 coordinate of the transform.42 * @param {number=} opt_m01 The m01 coordinate of the transform.43 * @param {number=} opt_m11 The m11 coordinate of the transform.44 * @param {number=} opt_m02 The m02 coordinate of the transform.45 * @param {number=} opt_m12 The m12 coordinate of the transform.46 * @constructor47 */48goog.graphics.AffineTransform = function(opt_m00, opt_m10, opt_m01,49    opt_m11, opt_m02, opt_m12) {50  if (arguments.length == 6) {51    this.setTransform(/** @type {number} */ (opt_m00),52                      /** @type {number} */ (opt_m10),53                      /** @type {number} */ (opt_m01),54                      /** @type {number} */ (opt_m11),55                      /** @type {number} */ (opt_m02),56                      /** @type {number} */ (opt_m12));57  } else if (arguments.length != 0) {58    throw Error('Insufficient matrix parameters');59  } else {60    this.m00_ = this.m11_ = 1;61    this.m10_ = this.m01_ = this.m02_ = this.m12_ = 0;62  }63};64/**65 * @return {boolean} Whether this transform is the identity transform.66 */67goog.graphics.AffineTransform.prototype.isIdentity = function() {68  return this.m00_ == 1 && this.m10_ == 0 && this.m01_ == 0 &&69      this.m11_ == 1 && this.m02_ == 0 && this.m12_ == 0;70};71/**72 * @return {!goog.graphics.AffineTransform} A copy of this transform.73 */74goog.graphics.AffineTransform.prototype.clone = function() {75  return new goog.graphics.AffineTransform(this.m00_, this.m10_, this.m01_,76      this.m11_, this.m02_, this.m12_);77};78/**79 * Sets this transform to the matrix specified by the 6 values.80 *81 * @param {number} m00 The m00 coordinate of the transform.82 * @param {number} m10 The m10 coordinate of the transform.83 * @param {number} m01 The m01 coordinate of the transform.84 * @param {number} m11 The m11 coordinate of the transform.85 * @param {number} m02 The m02 coordinate of the transform.86 * @param {number} m12 The m12 coordinate of the transform.87 * @return {!goog.graphics.AffineTransform} This affine transform.88 */89goog.graphics.AffineTransform.prototype.setTransform = function(m00, m10, m01,90    m11, m02, m12) {91  if (!goog.isNumber(m00) || !goog.isNumber(m10) || !goog.isNumber(m01) ||92      !goog.isNumber(m11) || !goog.isNumber(m02) || !goog.isNumber(m12)) {93    throw Error('Invalid transform parameters');94  }95  this.m00_ = m00;96  this.m10_ = m10;97  this.m01_ = m01;98  this.m11_ = m11;99  this.m02_ = m02;100  this.m12_ = m12;101  return this;102};103/**104 * Sets this transform to be identical to the given transform.105 *106 * @param {!goog.graphics.AffineTransform} tx The transform to copy.107 * @return {!goog.graphics.AffineTransform} This affine transform.108 */109goog.graphics.AffineTransform.prototype.copyFrom = function(tx) {110  this.m00_ = tx.m00_;111  this.m10_ = tx.m10_;112  this.m01_ = tx.m01_;113  this.m11_ = tx.m11_;114  this.m02_ = tx.m02_;115  this.m12_ = tx.m12_;116  return this;117};118/**119 * Concatenates this transform with a scaling transformation.120 *121 * @param {number} sx The x-axis scaling factor.122 * @param {number} sy The y-axis scaling factor.123 * @return {!goog.graphics.AffineTransform} This affine transform.124 */125goog.graphics.AffineTransform.prototype.scale = function(sx, sy) {126  this.m00_ *= sx;127  this.m10_ *= sx;128  this.m01_ *= sy;129  this.m11_ *= sy;130  return this;131};132/**133 * Pre-concatenates this transform with a scaling transformation,134 * i.e. calculates the following matrix product:135 *136 * <pre>137 * [sx  0 0] [m00 m01 m02]138 * [ 0 sy 0] [m10 m11 m12]139 * [ 0  0 1] [  0   0   1]140 * </pre>141 *142 * @param {number} sx The x-axis scaling factor.143 * @param {number} sy The y-axis scaling factor.144 * @return {!goog.graphics.AffineTransform} This affine transform.145 */146goog.graphics.AffineTransform.prototype.preScale = function(sx, sy) {147  this.m00_ *= sx;148  this.m01_ *= sx;149  this.m02_ *= sx;150  this.m10_ *= sy;151  this.m11_ *= sy;152  this.m12_ *= sy;153  return this;154};155/**156 * Concatenates this transform with a translate transformation.157 *158 * @param {number} dx The distance to translate in the x direction.159 * @param {number} dy The distance to translate in the y direction.160 * @return {!goog.graphics.AffineTransform} This affine transform.161 */162goog.graphics.AffineTransform.prototype.translate = function(dx, dy) {163  this.m02_ += dx * this.m00_ + dy * this.m01_;164  this.m12_ += dx * this.m10_ + dy * this.m11_;165  return this;166};167/**168 * Pre-concatenates this transform with a translate transformation,169 * i.e. calculates the following matrix product:170 *171 * <pre>172 * [1 0 dx] [m00 m01 m02]173 * [0 1 dy] [m10 m11 m12]174 * [0 0  1] [  0   0   1]175 * </pre>176 *177 * @param {number} dx The distance to translate in the x direction.178 * @param {number} dy The distance to translate in the y direction.179 * @return {!goog.graphics.AffineTransform} This affine transform.180 */181goog.graphics.AffineTransform.prototype.preTranslate = function(dx, dy) {182  this.m02_ += dx;183  this.m12_ += dy;184  return this;185};186/**187 * Concatenates this transform with a rotation transformation around an anchor188 * point.189 *190 * @param {number} theta The angle of rotation measured in radians.191 * @param {number} x The x coordinate of the anchor point.192 * @param {number} y The y coordinate of the anchor point.193 * @return {!goog.graphics.AffineTransform} This affine transform.194 */195goog.graphics.AffineTransform.prototype.rotate = function(theta, x, y) {196  return this.concatenate(197      goog.graphics.AffineTransform.getRotateInstance(theta, x, y));198};199/**200 * Pre-concatenates this transform with a rotation transformation around an201 * anchor point.202 *203 * @param {number} theta The angle of rotation measured in radians.204 * @param {number} x The x coordinate of the anchor point.205 * @param {number} y The y coordinate of the anchor point.206 * @return {!goog.graphics.AffineTransform} This affine transform.207 */208goog.graphics.AffineTransform.prototype.preRotate = function(theta, x, y) {209  return this.preConcatenate(210      goog.graphics.AffineTransform.getRotateInstance(theta, x, y));211};212/**213 * Concatenates this transform with a shear transformation.214 *215 * @param {number} shx The x shear factor.216 * @param {number} shy The y shear factor.217 * @return {!goog.graphics.AffineTransform} This affine transform.218 */219goog.graphics.AffineTransform.prototype.shear = function(shx, shy) {220  var m00 = this.m00_;221  var m10 = this.m10_;222  this.m00_ += shy * this.m01_;223  this.m10_ += shy * this.m11_;224  this.m01_ += shx * m00;225  this.m11_ += shx * m10;226  return this;227};228/**229 * Pre-concatenates this transform with a shear transformation.230 * i.e. calculates the following matrix product:231 *232 * <pre>233 * [  1 shx 0] [m00 m01 m02]234 * [shy   1 0] [m10 m11 m12]235 * [  0   0 1] [  0   0   1]236 * </pre>237 *238 * @param {number} shx The x shear factor.239 * @param {number} shy The y shear factor.240 * @return {!goog.graphics.AffineTransform} This affine transform.241 */242goog.graphics.AffineTransform.prototype.preShear = function(shx, shy) {243  var m00 = this.m00_;244  var m01 = this.m01_;245  var m02 = this.m02_;246  this.m00_ += shx * this.m10_;247  this.m01_ += shx * this.m11_;248  this.m02_ += shx * this.m12_;249  this.m10_ += shy * m00;250  this.m11_ += shy * m01;251  this.m12_ += shy * m02;252  return this;253};254/**255 * @return {string} A string representation of this transform. The format of256 *     of the string is compatible with SVG matrix notation, i.e.257 *     "matrix(a,b,c,d,e,f)".258 * @override259 */260goog.graphics.AffineTransform.prototype.toString = function() {261  return 'matrix(' +262      [this.m00_, this.m10_, this.m01_, this.m11_, this.m02_, this.m12_].join(263          ',') +264      ')';265};266/**267 * @return {number} The scaling factor in the x-direction (m00).268 */269goog.graphics.AffineTransform.prototype.getScaleX = function() {270  return this.m00_;271};272/**273 * @return {number} The scaling factor in the y-direction (m11).274 */275goog.graphics.AffineTransform.prototype.getScaleY = function() {276  return this.m11_;277};278/**279 * @return {number} The translation in the x-direction (m02).280 */281goog.graphics.AffineTransform.prototype.getTranslateX = function() {282  return this.m02_;283};284/**285 * @return {number} The translation in the y-direction (m12).286 */287goog.graphics.AffineTransform.prototype.getTranslateY = function() {288  return this.m12_;289};290/**291 * @return {number} The shear factor in the x-direction (m01).292 */293goog.graphics.AffineTransform.prototype.getShearX = function() {294  return this.m01_;295};296/**297 * @return {number} The shear factor in the y-direction (m10).298 */299goog.graphics.AffineTransform.prototype.getShearY = function() {300  return this.m10_;301};302/**303 * Concatenates an affine transform to this transform.304 *305 * @param {!goog.graphics.AffineTransform} tx The transform to concatenate.306 * @return {!goog.graphics.AffineTransform} This affine transform.307 */308goog.graphics.AffineTransform.prototype.concatenate = function(tx) {309  var m0 = this.m00_;310  var m1 = this.m01_;311  this.m00_ = tx.m00_ * m0 + tx.m10_ * m1;312  this.m01_ = tx.m01_ * m0 + tx.m11_ * m1;313  this.m02_ += tx.m02_ * m0 + tx.m12_ * m1;314  m0 = this.m10_;315  m1 = this.m11_;316  this.m10_ = tx.m00_ * m0 + tx.m10_ * m1;317  this.m11_ = tx.m01_ * m0 + tx.m11_ * m1;318  this.m12_ += tx.m02_ * m0 + tx.m12_ * m1;319  return this;320};321/**322 * Pre-concatenates an affine transform to this transform.323 *324 * @param {!goog.graphics.AffineTransform} tx The transform to preconcatenate.325 * @return {!goog.graphics.AffineTransform} This affine transform.326 */327goog.graphics.AffineTransform.prototype.preConcatenate = function(tx) {328  var m0 = this.m00_;329  var m1 = this.m10_;330  this.m00_ = tx.m00_ * m0 + tx.m01_ * m1;331  this.m10_ = tx.m10_ * m0 + tx.m11_ * m1;332  m0 = this.m01_;333  m1 = this.m11_;334  this.m01_ = tx.m00_ * m0 + tx.m01_ * m1;335  this.m11_ = tx.m10_ * m0 + tx.m11_ * m1;336  m0 = this.m02_;337  m1 = this.m12_;338  this.m02_ = tx.m00_ * m0 + tx.m01_ * m1 + tx.m02_;339  this.m12_ = tx.m10_ * m0 + tx.m11_ * m1 + tx.m12_;340  return this;341};342/**343 * Transforms an array of coordinates by this transform and stores the result344 * into a destination array.345 *346 * @param {!Array.<number>} src The array containing the source points347 *     as x, y value pairs.348 * @param {number} srcOff The offset to the first point to be transformed.349 * @param {!Array.<number>} dst The array into which to store the transformed350 *     point pairs.351 * @param {number} dstOff The offset of the location of the first transformed352 *     point in the destination array.353 * @param {number} numPts The number of points to tranform.354 */355goog.graphics.AffineTransform.prototype.transform = function(src, srcOff, dst,356    dstOff, numPts) {357  var i = srcOff;358  var j = dstOff;359  var srcEnd = srcOff + 2 * numPts;360  while (i < srcEnd) {361    var x = src[i++];362    var y = src[i++];363    dst[j++] = x * this.m00_ + y * this.m01_ + this.m02_;364    dst[j++] = x * this.m10_ + y * this.m11_ + this.m12_;365  }366};367/**368 * @return {number} The determinant of this transform.369 */370goog.graphics.AffineTransform.prototype.getDeterminant = function() {371  return this.m00_ * this.m11_ - this.m01_ * this.m10_;372};373/**374 * Returns whether the transform is invertible. A transform is not invertible375 * if the determinant is 0 or any value is non-finite or NaN.376 *377 * @return {boolean} Whether the transform is invertible.378 */379goog.graphics.AffineTransform.prototype.isInvertible = function() {380  var det = this.getDeterminant();381  return goog.math.isFiniteNumber(det) &&382      goog.math.isFiniteNumber(this.m02_) &&383      goog.math.isFiniteNumber(this.m12_) &&384      det != 0;385};386/**387 * @return {!goog.graphics.AffineTransform} An AffineTransform object388 *     representing the inverse transformation.389 */390goog.graphics.AffineTransform.prototype.createInverse = function() {391  var det = this.getDeterminant();392  return new goog.graphics.AffineTransform(393      this.m11_ / det,394      -this.m10_ / det,395      -this.m01_ / det,396      this.m00_ / det,397      (this.m01_ * this.m12_ - this.m11_ * this.m02_) / det,398      (this.m10_ * this.m02_ - this.m00_ * this.m12_) / det);399};400/**401 * Creates a transform representing a scaling transformation.402 *403 * @param {number} sx The x-axis scaling factor.404 * @param {number} sy The y-axis scaling factor.405 * @return {!goog.graphics.AffineTransform} A transform representing a scaling406 *     transformation.407 */408goog.graphics.AffineTransform.getScaleInstance = function(sx, sy) {409  return new goog.graphics.AffineTransform().setToScale(sx, sy);410};411/**412 * Creates a transform representing a translation transformation.413 *414 * @param {number} dx The distance to translate in the x direction.415 * @param {number} dy The distance to translate in the y direction.416 * @return {!goog.graphics.AffineTransform} A transform representing a417 *     translation transformation.418 */419goog.graphics.AffineTransform.getTranslateInstance = function(dx, dy) {420  return new goog.graphics.AffineTransform().setToTranslation(dx, dy);421};422/**423 * Creates a transform representing a shearing transformation.424 *425 * @param {number} shx The x-axis shear factor.426 * @param {number} shy The y-axis shear factor.427 * @return {!goog.graphics.AffineTransform} A transform representing a shearing428 *     transformation.429 */430goog.graphics.AffineTransform.getShearInstance = function(shx, shy) {431  return new goog.graphics.AffineTransform().setToShear(shx, shy);432};433/**434 * Creates a transform representing a rotation transformation.435 *436 * @param {number} theta The angle of rotation measured in radians.437 * @param {number} x The x coordinate of the anchor point.438 * @param {number} y The y coordinate of the anchor point.439 * @return {!goog.graphics.AffineTransform} A transform representing a rotation440 *     transformation.441 */442goog.graphics.AffineTransform.getRotateInstance = function(theta, x, y) {443  return new goog.graphics.AffineTransform().setToRotation(theta, x, y);444};445/**446 * Sets this transform to a scaling transformation.447 *448 * @param {number} sx The x-axis scaling factor.449 * @param {number} sy The y-axis scaling factor.450 * @return {!goog.graphics.AffineTransform} This affine transform.451 */452goog.graphics.AffineTransform.prototype.setToScale = function(sx, sy) {453  return this.setTransform(sx, 0, 0, sy, 0, 0);454};455/**456 * Sets this transform to a translation transformation.457 *458 * @param {number} dx The distance to translate in the x direction.459 * @param {number} dy The distance to translate in the y direction.460 * @return {!goog.graphics.AffineTransform} This affine transform.461 */462goog.graphics.AffineTransform.prototype.setToTranslation = function(dx, dy) {463  return this.setTransform(1, 0, 0, 1, dx, dy);464};465/**466 * Sets this transform to a shearing transformation.467 *468 * @param {number} shx The x-axis shear factor.469 * @param {number} shy The y-axis shear factor.470 * @return {!goog.graphics.AffineTransform} This affine transform.471 */472goog.graphics.AffineTransform.prototype.setToShear = function(shx, shy) {473  return this.setTransform(1, shy, shx, 1, 0, 0);474};475/**476 * Sets this transform to a rotation transformation.477 *478 * @param {number} theta The angle of rotation measured in radians.479 * @param {number} x The x coordinate of the anchor point.480 * @param {number} y The y coordinate of the anchor point.481 * @return {!goog.graphics.AffineTransform} This affine transform.482 */483goog.graphics.AffineTransform.prototype.setToRotation = function(theta, x, y) {484  var cos = Math.cos(theta);485  var sin = Math.sin(theta);486  return this.setTransform(cos, sin, -sin, cos,487      x - x * cos + y * sin, y - x * sin - y * cos);488};489/**490 * Compares two affine transforms for equality.491 *492 * @param {goog.graphics.AffineTransform} tx The other affine transform.493 * @return {boolean} whether the two transforms are equal.494 */495goog.graphics.AffineTransform.prototype.equals = function(tx) {496  if (this == tx) {497    return true;498  }499  if (!tx) {500    return false;501  }502  return this.m00_ == tx.m00_ &&503      this.m01_ == tx.m01_ &&504      this.m02_ == tx.m02_ &&505      this.m10_ == tx.m10_ &&506      this.m11_ == tx.m11_ &&507      this.m12_ == tx.m12_;...

_LookupTransformResult.py

Source:_LookupTransformResult.py

1# This Python file uses the following encoding: utf-82"""autogenerated by genpy from tf2_msgs/LookupTransformResult.msg. Do not edit."""3import sys4python3 = True if sys.hexversion > 0x03000000 else False5import genpy6import struct7import geometry_msgs.msg8import tf2_msgs.msg9import std_msgs.msg10class LookupTransformResult(genpy.Message):11  _md5sum = "3fe5db6a19ca9cfb675418c5ad875c36"12  _type = "tf2_msgs/LookupTransformResult"13  _has_header = False #flag to mark the presence of a Header object14  _full_text = """# ====== DO NOT MODIFY! AUTOGENERATED FROM AN ACTION DEFINITION ======15geometry_msgs/TransformStamped transform16tf2_msgs/TF2Error error17================================================================================18MSG: geometry_msgs/TransformStamped19# This expresses a transform from coordinate frame header.frame_id20# to the coordinate frame child_frame_id21#22# This message is mostly used by the 23# <a href="http://www.ros.org/wiki/tf">tf</a> package. 24# See its documentation for more information.25Header header26string child_frame_id # the frame id of the child frame27Transform transform28================================================================================29MSG: std_msgs/Header30# Standard metadata for higher-level stamped data types.31# This is generally used to communicate timestamped data 32# in a particular coordinate frame.33# 34# sequence ID: consecutively increasing ID 35uint32 seq36#Two-integer timestamp that is expressed as:37# * stamp.sec: seconds (stamp_secs) since epoch (in Python the variable is called 'secs')38# * stamp.nsec: nanoseconds since stamp_secs (in Python the variable is called 'nsecs')39# time-handling sugar is provided by the client library40time stamp41#Frame this data is associated with42# 0: no frame43# 1: global frame44string frame_id45================================================================================46MSG: geometry_msgs/Transform47# This represents the transform between two coordinate frames in free space.48Vector3 translation49Quaternion rotation50================================================================================51MSG: geometry_msgs/Vector352# This represents a vector in free space. 53# It is only meant to represent a direction. Therefore, it does not54# make sense to apply a translation to it (e.g., when applying a 55# generic rigid transformation to a Vector3, tf2 will only apply the56# rotation). If you want your data to be translatable too, use the57# geometry_msgs/Point message instead.58float64 x59float64 y60float64 z61================================================================================62MSG: geometry_msgs/Quaternion63# This represents an orientation in free space in quaternion form.64float64 x65float64 y66float64 z67float64 w68================================================================================69MSG: tf2_msgs/TF2Error70uint8 NO_ERROR = 071uint8 LOOKUP_ERROR = 172uint8 CONNECTIVITY_ERROR = 273uint8 EXTRAPOLATION_ERROR = 374uint8 INVALID_ARGUMENT_ERROR = 475uint8 TIMEOUT_ERROR = 576uint8 TRANSFORM_ERROR = 677uint8 error78string error_string79"""80  __slots__ = ['transform','error']81  _slot_types = ['geometry_msgs/TransformStamped','tf2_msgs/TF2Error']82  def __init__(self, *args, **kwds):83    """84    Constructor. Any message fields that are implicitly/explicitly85    set to None will be assigned a default value. The recommend86    use is keyword arguments as this is more robust to future message87    changes.  You cannot mix in-order arguments and keyword arguments.88    The available fields are:89       transform,error90    :param args: complete set of field values, in .msg order91    :param kwds: use keyword arguments corresponding to message field names92    to set specific fields.93    """94    if args or kwds:95      super(LookupTransformResult, self).__init__(*args, **kwds)96      #message fields cannot be None, assign default values for those that are97      if self.transform is None:98        self.transform = geometry_msgs.msg.TransformStamped()99      if self.error is None:100        self.error = tf2_msgs.msg.TF2Error()101    else:102      self.transform = geometry_msgs.msg.TransformStamped()103      self.error = tf2_msgs.msg.TF2Error()104  def _get_types(self):105    """106    internal API method107    """108    return self._slot_types109  def serialize(self, buff):110    """111    serialize message into buffer112    :param buff: buffer, ``StringIO``113    """114    try:115      _x = self116      buff.write(_struct_3I.pack(_x.transform.header.seq, _x.transform.header.stamp.secs, _x.transform.header.stamp.nsecs))117      _x = self.transform.header.frame_id118      length = len(_x)119      if python3 or type(_x) == unicode:120        _x = _x.encode('utf-8')121        length = len(_x)122      if python3:123        buff.write(struct.pack('<I%sB'%length, length, *_x))124      else:125        buff.write(struct.pack('<I%ss'%length, length, _x))126      _x = self.transform.child_frame_id127      length = len(_x)128      if python3 or type(_x) == unicode:129        _x = _x.encode('utf-8')130        length = len(_x)131      if python3:132        buff.write(struct.pack('<I%sB'%length, length, *_x))133      else:134        buff.write(struct.pack('<I%ss'%length, length, _x))135      _x = self136      buff.write(_struct_7dB.pack(_x.transform.transform.translation.x, _x.transform.transform.translation.y, _x.transform.transform.translation.z, _x.transform.transform.rotation.x, _x.transform.transform.rotation.y, _x.transform.transform.rotation.z, _x.transform.transform.rotation.w, _x.error.error))137      _x = self.error.error_string138      length = len(_x)139      if python3 or type(_x) == unicode:140        _x = _x.encode('utf-8')141        length = len(_x)142      if python3:143        buff.write(struct.pack('<I%sB'%length, length, *_x))144      else:145        buff.write(struct.pack('<I%ss'%length, length, _x))146    except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(locals().get('_x', self)))))147    except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(locals().get('_x', self)))))148  def deserialize(self, str):149    """150    unpack serialized message in str into this message instance151    :param str: byte array of serialized message, ``str``152    """153    try:154      if self.transform is None:155        self.transform = geometry_msgs.msg.TransformStamped()156      if self.error is None:157        self.error = tf2_msgs.msg.TF2Error()158      end = 0159      _x = self160      start = end161      end += 12162      (_x.transform.header.seq, _x.transform.header.stamp.secs, _x.transform.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])163      start = end164      end += 4165      (length,) = _struct_I.unpack(str[start:end])166      start = end167      end += length168      if python3:169        self.transform.header.frame_id = str[start:end].decode('utf-8')170      else:171        self.transform.header.frame_id = str[start:end]172      start = end173      end += 4174      (length,) = _struct_I.unpack(str[start:end])175      start = end176      end += length177      if python3:178        self.transform.child_frame_id = str[start:end].decode('utf-8')179      else:180        self.transform.child_frame_id = str[start:end]181      _x = self182      start = end183      end += 57184      (_x.transform.transform.translation.x, _x.transform.transform.translation.y, _x.transform.transform.translation.z, _x.transform.transform.rotation.x, _x.transform.transform.rotation.y, _x.transform.transform.rotation.z, _x.transform.transform.rotation.w, _x.error.error,) = _struct_7dB.unpack(str[start:end])185      start = end186      end += 4187      (length,) = _struct_I.unpack(str[start:end])188      start = end189      end += length190      if python3:191        self.error.error_string = str[start:end].decode('utf-8')192      else:193        self.error.error_string = str[start:end]194      return self195    except struct.error as e:196      raise genpy.DeserializationError(e) #most likely buffer underfill197  def serialize_numpy(self, buff, numpy):198    """199    serialize message with numpy array types into buffer200    :param buff: buffer, ``StringIO``201    :param numpy: numpy python module202    """203    try:204      _x = self205      buff.write(_struct_3I.pack(_x.transform.header.seq, _x.transform.header.stamp.secs, _x.transform.header.stamp.nsecs))206      _x = self.transform.header.frame_id207      length = len(_x)208      if python3 or type(_x) == unicode:209        _x = _x.encode('utf-8')210        length = len(_x)211      if python3:212        buff.write(struct.pack('<I%sB'%length, length, *_x))213      else:214        buff.write(struct.pack('<I%ss'%length, length, _x))215      _x = self.transform.child_frame_id216      length = len(_x)217      if python3 or type(_x) == unicode:218        _x = _x.encode('utf-8')219        length = len(_x)220      if python3:221        buff.write(struct.pack('<I%sB'%length, length, *_x))222      else:223        buff.write(struct.pack('<I%ss'%length, length, _x))224      _x = self225      buff.write(_struct_7dB.pack(_x.transform.transform.translation.x, _x.transform.transform.translation.y, _x.transform.transform.translation.z, _x.transform.transform.rotation.x, _x.transform.transform.rotation.y, _x.transform.transform.rotation.z, _x.transform.transform.rotation.w, _x.error.error))226      _x = self.error.error_string227      length = len(_x)228      if python3 or type(_x) == unicode:229        _x = _x.encode('utf-8')230        length = len(_x)231      if python3:232        buff.write(struct.pack('<I%sB'%length, length, *_x))233      else:234        buff.write(struct.pack('<I%ss'%length, length, _x))235    except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(locals().get('_x', self)))))236    except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(locals().get('_x', self)))))237  def deserialize_numpy(self, str, numpy):238    """239    unpack serialized message in str into this message instance using numpy for array types240    :param str: byte array of serialized message, ``str``241    :param numpy: numpy python module242    """243    try:244      if self.transform is None:245        self.transform = geometry_msgs.msg.TransformStamped()246      if self.error is None:247        self.error = tf2_msgs.msg.TF2Error()248      end = 0249      _x = self250      start = end251      end += 12252      (_x.transform.header.seq, _x.transform.header.stamp.secs, _x.transform.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])253      start = end254      end += 4255      (length,) = _struct_I.unpack(str[start:end])256      start = end257      end += length258      if python3:259        self.transform.header.frame_id = str[start:end].decode('utf-8')260      else:261        self.transform.header.frame_id = str[start:end]262      start = end263      end += 4264      (length,) = _struct_I.unpack(str[start:end])265      start = end266      end += length267      if python3:268        self.transform.child_frame_id = str[start:end].decode('utf-8')269      else:270        self.transform.child_frame_id = str[start:end]271      _x = self272      start = end273      end += 57274      (_x.transform.transform.translation.x, _x.transform.transform.translation.y, _x.transform.transform.translation.z, _x.transform.transform.rotation.x, _x.transform.transform.rotation.y, _x.transform.transform.rotation.z, _x.transform.transform.rotation.w, _x.error.error,) = _struct_7dB.unpack(str[start:end])275      start = end276      end += 4277      (length,) = _struct_I.unpack(str[start:end])278      start = end279      end += length280      if python3:281        self.error.error_string = str[start:end].decode('utf-8')282      else:283        self.error.error_string = str[start:end]284      return self285    except struct.error as e:286      raise genpy.DeserializationError(e) #most likely buffer underfill287_struct_I = genpy.struct_I288_struct_3I = struct.Struct("<3I")...

convertTransform.js

Source:convertTransform.js

...75    if (params.removeUseless) {76        data = removeUseless(data);77    }78    if (data.length) {79        item.attr(attrName).value = js2transform(data, params);80    } else {81        item.removeAttr(attrName);82    }83}84/**85 * Defines precision to work with certain parts.86 * transformPrecision - for scale and four first matrix parameters (needs a better precision due to multiplying),87 * floatPrecision - for translate including two last matrix and rotate parameters,88 * degPrecision - for rotate and skew. By default it's equal to (rougly)89 * transformPrecision - 2 or floatPrecision whichever is lower. Can be set in params.90 *91 * @param {Array} transforms input array92 * @param {Object} params plugin params93 * @return {Array} output array94 */95function definePrecision(data, params) {96    /* jshint validthis: true */97    var matrixData = data.reduce(getMatrixData, []),98        significantDigits = params.transformPrecision;99    // Clone params so it don't affect other elements transformations.100    params = EXTEND({}, params);101    // Limit transform precision with matrix one. Calculating with larger precision doesn't add any value.102    if (matrixData.length) {103        params.transformPrecision = Math.min(params.transformPrecision,104            Math.max.apply(Math, matrixData.map(floatDigits)) || params.transformPrecision);105        significantDigits = Math.max.apply(Math, matrixData.map(function(n) {106            return String(n).replace(/\D+/g, '').length; // Number of digits in a number. 123.45 â 5107        }));108    }109    // No sense in angle precision more then number of significant digits in matrix.110    if (!('degPrecision' in params)) {111        params.degPrecision = Math.max(0, Math.min(params.floatPrecision, significantDigits - 2));112    }113    floatRound = params.floatPrecision >= 1 && params.floatPrecision < 20 ?114        smartRound.bind(this, params.floatPrecision) :115        round;116    degRound = params.degPrecision >= 1 && params.floatPrecision < 20 ?117        smartRound.bind(this, params.degPrecision) :118        round;119    transformRound = params.transformPrecision >= 1 && params.floatPrecision < 20 ?120        smartRound.bind(this, params.transformPrecision) :121        round;122    return params;123}124/**125 * Gathers four first matrix parameters.126 *127 * @param {Array} a array of data128 * @param {Object} transform129 * @return {Array} output array130 */131function getMatrixData(a, b) {132    return b.name == 'matrix' ? a.concat(b.data.slice(0, 4)) : a;133}134/**135 * Returns number of digits after the point. 0.125 â 3136 */137function floatDigits(n) {138    return (n = String(n)).slice(n.indexOf('.')).length - 1;139}140/**141 * Convert transforms to the shorthand alternatives.142 *143 * @param {Array} transforms input array144 * @param {Object} params plugin params145 * @return {Array} output array146 */147function convertToShorts(transforms, params) {148    for(var i = 0; i < transforms.length; i++) {149        var transform = transforms[i];150        // convert matrix to the short aliases151        if (152            params.matrixToTransform &&153            transform.name === 'matrix'154        ) {155            var decomposed = matrixToTransform(transform, params);156            if (decomposed != transform &&157                js2transform(decomposed, params).length <= js2transform([transform], params).length) {158                transforms.splice.apply(transforms, [i, 1].concat(decomposed));159            }160            transform = transforms[i];161        }162        // fixed-point numbers163        // 12.754997 â 12.755164        roundTransform(transform);165        // convert long translate transform notation to the shorts one166        // translate(10 0) â translate(10)167        if (168            params.shortTranslate &&169            transform.name === 'translate' &&170            transform.data.length === 2 &&171            !transform.data[1]172        ) {173            transform.data.pop();174        }175        // convert long scale transform notation to the shorts one176        // scale(2 2) â scale(2)177        if (178            params.shortScale &&179            transform.name === 'scale' &&180            transform.data.length === 2 &&181            transform.data[0] === transform.data[1]182        ) {183            transform.data.pop();184        }185        // convert long rotate transform notation to the short one186        // translate(cx cy) rotate(a) translate(-cx -cy) â rotate(a cx cy)187        if (188            params.shortRotate &&189            transforms[i - 2] &&190            transforms[i - 2].name === 'translate' &&191            transforms[i - 1].name === 'rotate' &&192            transforms[i].name === 'translate' &&193            transforms[i - 2].data[0] === -transforms[i].data[0] &&194            transforms[i - 2].data[1] === -transforms[i].data[1]195        ) {196            transforms.splice(i - 2, 3, {197                name: 'rotate',198                data: [199                    transforms[i - 1].data[0],200                    transforms[i - 2].data[0],201                    transforms[i - 2].data[1]202                ]203            });204            // splice compensation205            i -= 2;206            transform = transforms[i];207        }208    }209    return transforms;210}211/**212 * Remove useless transforms.213 *214 * @param {Array} transforms input array215 * @return {Array} output array216 */217function removeUseless(transforms) {218    return transforms.filter(function(transform) {219        // translate(0), rotate(0[, cx, cy]), skewX(0), skewY(0)220        if (221            ['translate', 'rotate', 'skewX', 'skewY'].indexOf(transform.name) > -1 &&222            (transform.data.length == 1 || transform.name == 'rotate') &&223            !transform.data[0] ||224            // translate(0, 0)225            transform.name == 'translate' &&226            !transform.data[0] &&227            !transform.data[1] ||228            // scale(1)229            transform.name == 'scale' &&230            transform.data[0] == 1 &&231            (transform.data.length < 2 || transform.data[1] == 1) ||232            // matrix(1 0 0 1 0 0)233            transform.name == 'matrix' &&234            transform.data[0] == 1 &&235            transform.data[3] == 1 &&236            !(transform.data[1] || transform.data[2] || transform.data[4] || transform.data[5])237        ) {238            return false;239        }240        return true;241    });242}243/**244 * Convert transforms JS representation to string.245 *246 * @param {Array} transformJS JS representation array247 * @param {Object} params plugin params248 * @return {String} output string249 */250function js2transform(transformJS, params) {251    var transformString = '';252    // collect output value string253    transformJS.forEach(function(transform) {254        roundTransform(transform);255        transformString += (transformString && ' ') + transform.name + '(' + cleanupOutData(transform.data, params) + ')';256    });257    return transformString;258}259function roundTransform(transform) {260    switch (transform.name) {261        case 'translate':262            transform.data = floatRound(transform.data);263            break;264        case 'rotate':...

View.js

Source:View.js

1/**2 * Simple view coordinate system3 * Mapping given x, y to transformd view x, y4 */5define(function (require) {6    var vector = require('zrender/core/vector');7    var matrix = require('zrender/core/matrix');8    var Transformable = require('zrender/mixin/Transformable');9    var zrUtil = require('zrender/core/util');10    var BoundingRect = require('zrender/core/BoundingRect');11    var v2ApplyTransform = vector.applyTransform;12    // Dummy transform node13    function TransformDummy() {14        Transformable.call(this);15    }16    zrUtil.mixin(TransformDummy, Transformable);17    function View(name) {18        /**19         * @type {string}20         */21        this.name = name;22        /**23         * @type {Object}24         */25        this.zoomLimit;26        Transformable.call(this);27        this._roamTransform = new TransformDummy();28        this._viewTransform = new TransformDummy();29        this._center;30        this._zoom;31    }32    View.prototype = {33        constructor: View,34        type: 'view',35        /**36         * @param {Array.<string>}37         * @readOnly38         */39        dimensions: ['x', 'y'],40        /**41         * Set bounding rect42         * @param {number} x43         * @param {number} y44         * @param {number} width45         * @param {number} height46         */47        // PENDING to getRect48        setBoundingRect: function (x, y, width, height) {49            this._rect = new BoundingRect(x, y, width, height);50            return this._rect;51        },52        /**53         * @return {module:zrender/core/BoundingRect}54         */55        // PENDING to getRect56        getBoundingRect: function () {57            return this._rect;58        },59        /**60         * @param {number} x61         * @param {number} y62         * @param {number} width63         * @param {number} height64         */65        setViewRect: function (x, y, width, height) {66            width = width;67            height = height;68            this.transformTo(x, y, width, height);69            this._viewRect = new BoundingRect(x, y, width, height);70        },71        /**72         * Transformed to particular position and size73         * @param {number} x74         * @param {number} y75         * @param {number} width76         * @param {number} height77         */78        transformTo: function (x, y, width, height) {79            var rect = this.getBoundingRect();80            var viewTransform = this._viewTransform;81            viewTransform.transform = rect.calculateTransform(82                new BoundingRect(x, y, width, height)83            );84            viewTransform.decomposeTransform();85            this._updateTransform();86        },87        /**88         * Set center of view89         * @param {Array.<number>} [centerCoord]90         */91        setCenter: function (centerCoord) {92            if (!centerCoord) {93                return;94            }95            this._center = centerCoord;96            this._updateCenterAndZoom();97        },98        /**99         * @param {number} zoom100         */101        setZoom: function (zoom) {102            zoom = zoom || 1;103            var zoomLimit = this.zoomLimit;104            if (zoomLimit) {105                if (zoomLimit.max != null) {106                    zoom = Math.min(zoomLimit.max, zoom);107                }108                if (zoomLimit.min != null) {109                    zoom = Math.max(zoomLimit.min, zoom);110                }111            }112            this._zoom = zoom;113            this._updateCenterAndZoom();114        },115        /**116         * Get default center without roam117         */118        getDefaultCenter: function () {119            // Rect before any transform120            var rawRect = this.getBoundingRect();121            var cx = rawRect.x + rawRect.width / 2;122            var cy = rawRect.y + rawRect.height / 2;123            return [cx, cy];124        },125        getCenter: function () {126            return this._center || this.getDefaultCenter();127        },128        getZoom: function () {129            return this._zoom || 1;130        },131        /**132         * @return {Array.<number}133         */134        getRoamTransform: function () {135            return this._roamTransform;136        },137        _updateCenterAndZoom: function () {138            // Must update after view transform updated139            var viewTransformMatrix = this._viewTransform.getLocalTransform();140            var roamTransform = this._roamTransform;141            var defaultCenter = this.getDefaultCenter();142            var center = this.getCenter();143            var zoom = this.getZoom();144            center = vector.applyTransform([], center, viewTransformMatrix);145            defaultCenter = vector.applyTransform([], defaultCenter, viewTransformMatrix);146            roamTransform.origin = center;147            roamTransform.position = [148                defaultCenter[0] - center[0],149                defaultCenter[1] - center[1]150            ];151            roamTransform.scale = [zoom, zoom];152            this._updateTransform();153        },154        /**155         * Update transform from roam and mapLocation156         * @private157         */158        _updateTransform: function () {159            var roamTransform = this._roamTransform;160            var viewTransform = this._viewTransform;161            viewTransform.parent = roamTransform;162            roamTransform.updateTransform();163            viewTransform.updateTransform();164            viewTransform.transform165                && matrix.copy(this.transform || (this.transform = []), viewTransform.transform);166            if (this.transform) {167                this.invTransform = this.invTransform || [];168                matrix.invert(this.invTransform, this.transform);169            }170            else {171                this.invTransform = null;172            }173            this.decomposeTransform();174        },175        /**176         * @return {module:zrender/core/BoundingRect}177         */178        getViewRect: function () {179            return this._viewRect;180        },181        /**182         * Get view rect after roam transform183         * @return {module:zrender/core/BoundingRect}184         */185        getViewRectAfterRoam: function () {186            var rect = this.getBoundingRect().clone();187            rect.applyTransform(this.transform);188            return rect;189        },190        /**191         * Convert a single (lon, lat) data item to (x, y) point.192         * @param {Array.<number>} data193         * @return {Array.<number>}194         */195        dataToPoint: function (data) {196            var transform = this.transform;197            return transform198                ? v2ApplyTransform([], data, transform)199                : [data[0], data[1]];200        },201        /**202         * Convert a (x, y) point to (lon, lat) data203         * @param {Array.<number>} point204         * @return {Array.<number>}205         */206        pointToData: function (point) {207            var invTransform = this.invTransform;208            return invTransform209                ? v2ApplyTransform([], point, invTransform)210                : [point[0], point[1]];211        }212        /**213         * @return {number}214         */215        // getScalarScale: function () {216        //     // Use determinant square root of transform to mutiply scalar217        //     var m = this.transform;218        //     var det = Math.sqrt(Math.abs(m[0] * m[3] - m[2] * m[1]));219        //     return det;220        // }221    };222    zrUtil.mixin(View, Transformable);223    return View;...

test_transform.py

Source:test_transform.py

1import bokeh.transform as bt2from bokeh.models import CategoricalColorMapper, Dodge, FactorRange, Jitter, LinearColorMapper, LogColorMapper3def test_transform():4    t = bt.transform("foo", "junk")5    assert t == dict(field="foo", transform="junk")6def test_dodge():7    t = bt.dodge("foo", 0.5)8    assert isinstance(t, dict)9    assert set(t) == {"field", "transform"}10    assert t['field'] == "foo"11    assert isinstance(t['transform'], Dodge)12    assert t['transform'].value == 0.513    assert t['transform'].range is None14def test_dodge_with_range():15    r = FactorRange("a")16    t = bt.dodge("foo", 0.5, range=r)17    assert isinstance(t, dict)18    assert set(t) == {"field", "transform"}...

SVGTransform.js

Source:SVGTransform.js

1description("This test checks the SVGTransform API");2var svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg");3var transform = svgElement.createSVGTransform();4debug("");5debug("Check initial transform values");6shouldBe("transform.type", "SVGTransform.SVG_TRANSFORM_MATRIX");7shouldBe("transform.angle", "0");8shouldBe("transform.matrix.a", "1");9shouldBe("transform.matrix.b", "0");10shouldBe("transform.matrix.c", "0");11shouldBe("transform.matrix.d", "1");12shouldBe("transform.matrix.e", "0");13shouldBe("transform.matrix.f", "0");14debug("");15debug("Change to skewX transformation");16shouldBeUndefined("transform.setSkewX(45)");17shouldBe("transform.type", "SVGTransform.SVG_TRANSFORM_SKEWX");18shouldBe("transform.angle", "45");19shouldBe("transform.matrix.a", "1");20shouldBe("transform.matrix.b", "0");21shouldBeEqualToString("transform.matrix.c.toFixed(1)", "1.0");22shouldBe("transform.matrix.d", "1");23shouldBe("transform.matrix.e", "0");24shouldBe("transform.matrix.f", "0");25debug("");26debug("Changing matrix.e to 100, should reset transformation type to MATRIX, and angle should be 0");27shouldBe("transform.matrix.e = 100", "100");28shouldBe("transform.type", "SVGTransform.SVG_TRANSFORM_MATRIX");29shouldBe("transform.angle", "0");30shouldBe("transform.matrix.a", "1");31shouldBe("transform.matrix.b", "0");32shouldBeEqualToString("transform.matrix.c.toFixed(1)", "1.0");33shouldBe("transform.matrix.d", "1");34shouldBe("transform.matrix.e", "100");35shouldBe("transform.matrix.f", "0");36debug("");37debug("Now revert to initial matrix");38shouldBeNull("transform.matrix.c = null");39shouldBe("transform.matrix.e = 0", "0");40shouldBe("transform.type", "SVGTransform.SVG_TRANSFORM_MATRIX");41shouldBe("transform.angle", "0");42shouldBe("transform.matrix.a", "1");43shouldBe("transform.matrix.b", "0");44shouldBe("transform.matrix.c", "0");45shouldBe("transform.matrix.d", "1");46shouldBe("transform.matrix.e", "0");47shouldBe("transform.matrix.f", "0");48debug("");49debug("Check passing invalid arguments to 'setMatrix'");50shouldThrow("transform.setMatrix()");51shouldThrow("transform.setMatrix(transform)");52shouldThrow("transform.setMatrix(svgElement)");53shouldThrow("transform.setMatrix('aString')");54shouldThrow("transform.setMatrix(1)");55shouldThrow("transform.setMatrix(false)");56debug("");57debug("Check passing invalid arguments to 'setTranslate'");58shouldThrow("transform.setTranslate()");59shouldThrow("transform.setTranslate(transform)");60shouldThrow("transform.setTranslate(svgElement)");61shouldThrow("transform.setTranslate('aString')");62shouldBeUndefined("transform.setTranslate(1, transform)");63shouldBeUndefined("transform.setTranslate(1, svgElement)");64shouldBeUndefined("transform.setTranslate(1, 'aString')");65shouldBeUndefined("transform.setTranslate(transform, 1)");66shouldBeUndefined("transform.setTranslate(svgElement, 1)");67shouldBeUndefined("transform.setTranslate('aString', 1)");68shouldBeUndefined("transform.setTranslate(transform, transform)");69shouldBeUndefined("transform.setTranslate(svgElement, svgElement)");70shouldBeUndefined("transform.setTranslate('aString', 'aString')");71debug("");72debug("Check passing invalid arguments to 'setScale'");73shouldThrow("transform.setScale()");74shouldThrow("transform.setScale(transform)");75shouldThrow("transform.setScale(svgElement)");76shouldThrow("transform.setScale('aString')");77shouldBeUndefined("transform.setScale(1, transform)");78shouldBeUndefined("transform.setScale(1, svgElement)");79shouldBeUndefined("transform.setScale(1, 'aString')");80shouldBeUndefined("transform.setScale(transform, 1)");81shouldBeUndefined("transform.setScale(svgElement, 1)");82shouldBeUndefined("transform.setScale('aString', 1)");83shouldBeUndefined("transform.setScale(transform, transform)");84shouldBeUndefined("transform.setScale(svgElement, svgElement)");85shouldBeUndefined("transform.setScale('aString', 'aString')");86debug("");87debug("Check passing invalid arguments to 'setRotate'");88shouldThrow("transform.setRotate()");89shouldThrow("transform.setRotate(transform)");90shouldThrow("transform.setRotate(svgElement)");91shouldThrow("transform.setRotate('aString')");92shouldThrow("transform.setRotate(1, transform)");93shouldThrow("transform.setRotate(1, svgElement)");94shouldThrow("transform.setRotate(1, 'aString')");95shouldBeUndefined("transform.setRotate(1, 1, transform)");96shouldBeUndefined("transform.setRotate(1, 1, svgElement)");97shouldBeUndefined("transform.setRotate(1, 1, 'aString')");98debug("");99debug("Check passing invalid arguments to 'setSkewX'");100shouldThrow("transform.setSkewX()");101shouldBeUndefined("transform.setSkewX(transform)");102shouldBeUndefined("transform.setSkewX(svgElement)");103shouldBeUndefined("transform.setSkewX('aString')");104debug("");105debug("Check passing invalid arguments to 'setSkewY'");106shouldThrow("transform.setSkewY()");107shouldBeUndefined("transform.setSkewY(transform)");108shouldBeUndefined("transform.setSkewY(svgElement)");109shouldBeUndefined("transform.setSkewY('aString')");...

Cube.js

Source:Cube.js

1/**2 * @private3 */4Ext.define('Ext.fx.animation.Cube', {5    extend: 'Ext.fx.animation.Abstract',6    alias: 'animation.cube',7    config: {8        /**9         * @cfg10         * @inheritdoc11         */12        before: {13//            'transform-style': 'preserve-3d'14        },15        after: {},16        /**17         * @cfg {String} direction The direction of which the slide animates18         * @accessor19         */20        direction: 'right',21        out: false22    },23//    getData: function() {24//        var to = this.getTo(),25//            from = this.getFrom(),26//            out  = this.getOut(),27//            direction  = this.getDirection(),28//            el = this.getElement(),29//            elW = el.getWidth(),30//            elH = el.getHeight(),31//            halfWidth = (elW / 2),32//            halfHeight = (elH / 2),33//            fromTransform = {},34//            toTransform = {},35//            originalFromTransform = {36//                rotateY: 0,37//                translateX: 0,38//                translateZ: 039//            },40//            originalToTransform = {41//                rotateY: 90,42//                translateX: halfWidth,43//                translateZ: halfWidth44//            },45//            originalVerticalFromTransform = {46//                rotateX: 0,47//                translateY: 0,48//                translateZ: 049//            },50//            originalVerticalToTransform = {51//                rotateX: 90,52//                translateY: halfHeight,53//                translateZ: halfHeight54//            },55//            tempTransform;56//57//        if (direction == "left" || direction == "right") {58//            if (out) {59//                toTransform = originalToTransform;60//                fromTransform = originalFromTransform;61//            } else {62//                toTransform = originalFromTransform;63//                fromTransform = originalToTransform;64//                fromTransform.rotateY *= -1;65//                fromTransform.translateX *= -1;66//            }67//68//            if (direction === 'right') {69//                tempTransform = fromTransform;70//                fromTransform = toTransform;71//                toTransform = tempTransform;72//            }73//        }74//75//        if (direction == "up" || direction == "down") {76//            if (out) {77//                toTransform = originalVerticalFromTransform;78//                fromTransform = {79//                    rotateX: -90,80//                    translateY: halfHeight,81//                    translateZ: halfHeight82//                };83//            } else {84//                fromTransform = originalVerticalFromTransform;85//                toTransform = {86//                    rotateX: 90,87//                    translateY: -halfHeight,88//                    translateZ: halfHeight89//                };90//            }91//92//            if (direction == "up") {93//                tempTransform = fromTransform;94//                fromTransform = toTransform;95//                toTransform = tempTransform;96//            }97//        }98//99//        from.set('transform', fromTransform);100//        to.set('transform', toTransform);101//102//        return this.callParent(arguments);103//    },104    getData: function() {105        var to = this.getTo(),106            from = this.getFrom(),107            before = this.getBefore(),108            after = this.getAfter(),109            out  = this.getOut(),110            direction  = this.getDirection(),111            el = this.getElement(),112            elW = el.getWidth(),113            elH = el.getHeight(),114            origin = out ? '100% 100%' : '0% 0%',115            fromOpacity = 1,116            toOpacity = 1,117            transformFrom = {118                rotateY: 0,119                translateZ: 0120            },121            transformTo = {122                rotateY: 0,123                translateZ: 0124            };125        if (direction == "left" || direction == "right") {126            if (out) {127                toOpacity = 0.5;128                transformTo.translateZ = elW;129                transformTo.rotateY = -90;130            } else {131                fromOpacity = 0.5;132                transformFrom.translateZ = elW;133                transformFrom.rotateY = 90;134            }135        }136        before['transform-origin'] = origin;137        after['transform-origin'] = null;138        to.set('transform', transformTo);139        from.set('transform', transformFrom);140        from.set('opacity', fromOpacity);141        to.set('opacity', toOpacity);142        return this.callParent(arguments);143    }...

Using AI Code Generation

1import { transform } from 'ng-mocks';2const component = transform({3});4import { createComponent } from 'ng-mocks';5const component = createComponent(MyComponent);6import { MyComponent } from './test';7describe('MyComponent', () => {8  it('should create an instance', () => {9    expect(component).toBeTruthy();10  });11});

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