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How to use _tXY method in fMBT
Best Python code snippet using fMBT_python
widgets.py
Source:widgets.py 
1import functools2import importlib3import os4import math5from typing import Callable, Tuple, Any6from PIL import Image, ImageDraw7from . import icons8from .dimensions import Dimension9from .functional import compose10from .point import Coordinate11anchors = {12 "left": "la",13 "right": "ra",14 "centre": "ma",15}16class CachingText:17 def __init__(self, at: Coordinate, value: Callable, font, align="left", direction="ltr", fill=None):18 self.at = at19 self.value = value20 self.font = font21 self.anchor = anchors.get(align, align)22 self.direction = direction23 self.fill = fill if fill else (255, 255, 255)24 self.cache = {}25 def draw(self, image, draw):26 text = self.value()27 if text is None:28 raise ValueError("Refusing to draw text with value of 'None'")29 cached = self.cache.get(text, None)30 if cached is None:31 x0, y0, x1, y1 = self.font.getbbox(32 text=text,33 stroke_width=2,34 anchor=self.anchor,35 direction=self.direction36 )37 if x0 < 0:38 x1 = x1 + abs(x0)39 if y0 < 0:40 y1 = y1 + abs(x0)41 backing_image = Image.new(mode="RGBA", size=(x1, y1))42 backing_draw = ImageDraw.Draw(backing_image)43 backing_draw.text(44 (abs(x0), 0),45 text,46 anchor=self.anchor,47 direction=self.direction,48 font=self.font,49 fill=self.fill,50 stroke_width=2,51 stroke_fill=(0, 0, 0)52 )53 cached = {54 "at": Coordinate(x0 if x0 < 0 else 0, y0 if y0 < 0 else 0),55 "image": backing_image56 }57 self.cache[text] = cached58 image.alpha_composite(cached["image"], (self.at + cached["at"]).tuple())59class Text:60 def __init__(self,61 at: Coordinate,62 value: Callable[[], str],63 font: Any, align: str = "left",64 direction: str = "ltr",65 fill: Tuple = None) -> None:66 self.at = at67 self.value = value68 self.font = font69 self.anchor = anchors.get(align, align)70 self.direction = direction71 self.fill = fill if fill else (255, 255, 255)72 def draw(self, image, draw):73 draw.text(74 self.at.tuple(),75 self.value(),76 anchor=self.anchor,77 direction=self.direction,78 font=self.font,79 fill=self.fill,80 stroke_width=2,81 stroke_fill=(0, 0, 0)82 )83class EmptyDrawable:84 def draw(self, image, draw):85 pass86class Composite:87 def __init__(self, *widgets):88 self.widgets = widgets89 def draw(self, image, draw):90 for w in self.widgets:91 w.draw(image, draw)92class Drawable:93 def __init__(self, at, drawable):94 self.at = at95 self.drawable = drawable96 def draw(self, image, draw):97 image.alpha_composite(self.drawable, self.at.tuple())98def icon(file, at, transform=lambda x: x):99 if os.path.exists(file):100 image = Image.open(file)101 else:102 with importlib.resources.path(icons, file) as f:103 image = Image.open(f)104 return Drawable(at, transform(image))105def simple_icon(at, file, size=64, invert=False):106 return icon(file, at, transform=compose(107 functools.partial(transform_resize, (size, size)),108 transform_rgba,109 transform_negative if invert else transform_identity110 ))111def transform_identity(img):112 return img113def transform_resize(target, img):114 return img.resize(target)115def transform_rgba(img):116 return img.convert("RGBA") if img.mode == "P" else img117def transform_negative(img):118 if img.mode != "RGBA":119 raise ValueError(f"I only work on RGBA, not {img.mode}")120 for i in range(0, img.size[0]):121 for j in range(0, img.size[1]):122 pixel = img.getpixel((i, j))123 img.putpixel((i, j), (255 - pixel[0], 255 - pixel[1], 255 - pixel[2], pixel[3]))124 return img125class ImageTranslate:126 def __init__(self, at, image):127 self.at = at128 self.image = image129 def _txy(self, xy):130 return xy[0] + self.at.x, xy[1] + self.at.y131 def alpha_composite(self, im, dest=(0, 0), source=(0, 0)):132 self.image.alpha_composite(im, dest=self._txy(dest), source=source)133 def paste(self, img, box):134 self.image.paste(img, box=self._txy(box))135class DrawTranslate:136 def __init__(self, at, draw):137 self.at = at138 self.draw = draw139 def _txy(self, xy):140 return xy[0] + self.at.x, xy[1] + self.at.y141 def text(self, xy, text, **kwargs):142 self.draw.text(xy=self._txy(xy), text=text, **kwargs)143 def rounded_rectangle(self, xy, *args, **kwargs):144 self.draw.rounded_rectangle([self._txy(pair) for pair in xy], *args, **kwargs)145 def point(self, xy, **kwargs):146 self.draw.point(xy=self._txy(xy), **kwargs)147 def rectangle(self, xy, *args, **kwargs):148 self.draw.rectangle([self._txy(pair) for pair in xy], *args, **kwargs)149 def line(self, xy, *args, **kwargs):150 self.draw.line([self._txy(pair) for pair in xy], *args, **kwargs)151 def ellipse(self, xy, *args, **kwargs):152 self.draw.ellipse([self._txy(pair) for pair in xy], *args, **kwargs)153 def arc(self, xy, *args, **kwargs):154 self.draw.arc([self._txy(pair) for pair in xy], *args, **kwargs)155 def pieslice(self, xy, *args, **kwargs):156 self.draw.pieslice([self._txy(pair) for pair in xy], *args, **kwargs)157 def polygon(self, xy, *args, **kwargs):158 self.draw.polygon([self._txy(pair) for pair in xy], *args, **kwargs)159class Translate:160 """Extremely rudimentary translation support!161 Translate the 'at' of child widget by this widget's location. Use in combination with a Composite162 Need to test each child type that intend to put in here, as certainly won't work for many use cases.163 """164 def __init__(self, at: Coordinate, widget):165 self.at = at166 self.widget = widget167 def draw(self, image, draw):168 ivp = ImageTranslate(self.at, image)169 dvp = DrawTranslate(self.at, draw)170 self.widget.draw(ivp, dvp)171class Frame:172 """173 A clipping bordered frame that also makes a child controllably transparent174 """175 def __init__(self,176 dimensions: Dimension,177 opacity: float = 1.0,178 corner_radius: int = 0,179 outline: Tuple = None,180 fill: Tuple = None,181 child: Any = EmptyDrawable(),182 fade_out: int = 0) -> None:183 self.child = child184 self.corner_radius = corner_radius185 self.fill = fill186 self.outline = outline187 self.opacity = opacity188 self.dimensions = dimensions189 self.mask = None190 self.fade_out = fade_out191 def _maybe_init(self):192 if self.mask is None:193 self.mask = Image.new('L', (self.dimensions.x, self.dimensions.y), 0)194 ImageDraw.Draw(self.mask).rounded_rectangle(195 (0, 0) + (self.dimensions.x - 1, self.dimensions.y - 1),196 radius=self.corner_radius,197 fill=int(self.opacity * 255)198 )199 if self.fade_out > 0:200 self._init_fadeout()201 def _init_fadeout(self):202 for y in range(self.dimensions.y):203 for x in range(self.dimensions.x):204 distance_to_center = math.sqrt((x - self.dimensions.x/2) ** 2 + (y - self.dimensions.y/2) ** 2)205 radius = min(self.dimensions.x, self.dimensions.y) / 2206 distance_from_side = 1 - (distance_to_center / radius)207 distance_from_side = min(x, min(y, min(self.dimensions.x - x, self.dimensions.y - y))) / radius208 if self.corner_radius == 0:209 # no radius defined, we will use distance_from_side210 distance_from_corner_radius = distance_from_side211 else:212 # we can use a more complex formula for getting the distance from corner_radius, but for simplicity we will use this one213 # it will lead to more straight lines instead of rounded corners214 outer_radius = math.sqrt(self.corner_radius ** 2 + self.corner_radius ** 2) - self.corner_radius215 rounder_radius = math.sqrt((self.dimensions.x/2) ** 2 + (self.dimensions.y/2) ** 2) - outer_radius216 distance_from_corner_radius = (rounder_radius - distance_to_center) / rounder_radius217 fade_out_percents = max(0.01, min(1, self.fade_out / radius))218 self.mask.putpixel((x, y), int(min(1, min(distance_from_side, distance_from_corner_radius) / fade_out_percents) * 255 * self.opacity))219 def draw(self, image, draw):220 self._maybe_init()221 rect = Image.new('RGBA', (self.dimensions.x, self.dimensions.y), self.fill)222 rect_draw = ImageDraw.Draw(rect)223 self.child.draw(rect, rect_draw)224 if self.outline is not None:225 rect_draw.rounded_rectangle(226 ((0, 0), (self.dimensions.x - 1, self.dimensions.y - 1)),227 radius=self.corner_radius,228 outline=self.outline229 )230 rect.putalpha(self.mask)231 image.alpha_composite(rect, (0, 0))232class Scene:233 def __init__(self, dimensions: Dimension, widgets, ):234 self._widgets = widgets235 self._dimensions = dimensions236 def draw(self):237 image = Image.new("RGBA", (self._dimensions.x, self._dimensions.y), (0, 0, 0, 0))238 draw = ImageDraw.Draw(image)239 for w in self._widgets:240 w.draw(image, draw)...
variogram.py
Source:variogram.py
1import numpy as np2class Variogram:3 def __init__(self, rx, ry=1.0, rz=1.0, azi=0.0, dip=0.0, std=1.0):4 self._rx, self._ry, self._rz = rx, ry, rz5 self._azi = azi6 self._dip = dip7 self._var = std * std # Not currently used?8 # Factors9 cos_rot = np.cos(azi)10 sin_rot = np.sin(azi)11 cos_dip = np.cos(dip)12 sin_dip = np.sin(dip)13 f1 = 1 / rx ** 214 f2 = 1 / ry ** 215 f3 = 1 / rz ** 216 self._txx = cos_rot * cos_rot * cos_dip * cos_dip * f1 + sin_rot * sin_rot * f2 + cos_rot * cos_rot * sin_dip * sin_dip * f317 self._tyy = sin_rot * sin_rot * cos_dip * cos_dip * f1 + cos_rot * cos_rot * f2 + sin_rot * sin_rot * sin_dip * sin_dip * f318 self._tzz = sin_dip * sin_dip * f1 + cos_dip * cos_dip * f319 self._txy = 2 * (20 cos_dip * cos_dip * cos_rot * sin_rot * f1 - sin_rot * cos_rot * f2 + sin_dip * sin_dip * cos_rot * sin_rot * f3)21 self._txz = 2 * (cos_rot * cos_dip * sin_dip * f1 - cos_rot * cos_dip * sin_dip * f3)22 self._tyz = 2 * (sin_rot * cos_dip * sin_dip * f1 - sin_rot * cos_dip * sin_dip * f3)23 def _distance(self, dx, dy=0.0, dz=0.0):24 return np.sqrt(self._txx * dx ** 2 + self._tyy * dy ** 2 + self._tzz * dz ** 2 +25 self._txy * dx * dy + self._txz * dx * dz + self._tyz * dy * dz)26 def _corr(self, dx, dy=0.0, dz=0.0):27 d = self._distance(dx, dy, dz)28 return self._corr_1d(d)29 def _corr_1d(self, d):30 raise NotImplementedError()31 def create_corr_array(self, nx, dx, ny=1, dy=1.0, nz=1, dz=1.0, centered=True):32 xx, yy, zz = np.meshgrid(np.arange(-nx, nx + 1), np.arange(-ny, ny + 1), np.arange(-nz, nz + 1), indexing='ij')33 c = self._corr(xx * dx, yy * dy, zz * dz)34 if not centered:35 c = np.roll(c, shift=tuple(-(s // 2) for s in c.shape), axis=(0, 1, 2))36 return c37class ExponentialVariogram(Variogram):38 def _corr_1d(self, d):39 return np.exp(-3 * d)40class GaussianVariogram(Variogram):41 def _corr_1d(self, d):42 return np.exp(-3 * d ** 2)43class GeneralExponentialVariogram(Variogram):44 def __init__(self, rx, ry=1.0, rz=1.0, azi=0.0, dip=0.0, std=1.0, power=1.5):45 super().__init__(rx, ry, rz, azi, dip, std)46 self._power = power47 def _corr_1d(self, d):48 return np.exp(-3 * d ** self._power)49class SphericalVariogram(Variogram):50 def _corr_1d(self, d):51 return np.where(d < 1.0, 1.0 - d * (1.5 - 0.5 * (d ** 2)), 0.0)52class Matern32Variogram(Variogram):53 def _corr_1d(self, d):54 sd = 4.744 * d55 return np.exp(-sd) * (1.0 + sd)56class Matern52Variogram(Variogram):57 def _corr_1d(self, d):58 sd = 5.918 * d59 return np.exp(-sd) * (1.0 + sd + sd ** 2 / 3.0)60class Matern72Variogram(Variogram):61 def _corr_1d(self, d):62 sd = 6.877 * d...
geometry.py
Source:geometry.py
1from typing import Tuple2import numpy as np3class CoordinateTransformation:4 def __init__(self, rx, ry=1.0, rz=1.0, azi=0.0, dip=0.0):5 self._rx, self._ry, self._rz = rx, ry, rz6 self._azi = azi7 self._dip = dip8 # Factors9 cos_rot = np.cos(azi)10 sin_rot = np.sin(azi)11 cos_dip = np.cos(dip)12 sin_dip = np.sin(dip)13 # Rotation matrix14 self._rot_mat = np.array([15 [cos_dip * cos_rot, -sin_rot, sin_dip * cos_rot],16 [cos_dip * sin_rot, cos_rot, sin_dip * sin_rot],17 [-sin_dip, 0.0, cos_dip]18 ])19 # Scaling matrix20 self._scale_mat = np.diag([1 / rx, 1 / ry, 1 / rz])21 # Coefficients used to calculate distance directly22 f1 = 1 / rx ** 223 f2 = 1 / ry ** 224 f3 = 1 / rz ** 225 self._txx = cos_rot * cos_rot * cos_dip * cos_dip * f1 + sin_rot * sin_rot * f2 + cos_rot * cos_rot * sin_dip * sin_dip * f326 self._tyy = sin_rot * sin_rot * cos_dip * cos_dip * f1 + cos_rot * cos_rot * f2 + sin_rot * sin_rot * sin_dip * sin_dip * f327 self._tzz = sin_dip * sin_dip * f1 + cos_dip * cos_dip * f328 self._txy = 2 * (29 cos_dip * cos_dip * cos_rot * sin_rot * f1 - sin_rot * cos_rot * f2 + sin_dip * sin_dip * cos_rot * sin_rot * f3)30 self._txz = 2 * (cos_rot * cos_dip * sin_dip * f1 - cos_rot * cos_dip * sin_dip * f3)31 self._tyz = 2 * (sin_rot * cos_dip * sin_dip * f1 - sin_rot * cos_dip * sin_dip * f3)32 def distance(self, dx, dy=0.0, dz=0.0):33 return np.sqrt(self._txx * dx ** 2 + self._tyy * dy ** 2 + self._tzz * dz ** 2 +34 self._txy * dx * dy + self._txz * dx * dz + self._tyz * dy * dz)35 def forward_transform(self, s: np.ndarray) -> np.ndarray:36 if 0 < s.ndim < 3:37 s_3d = np.vstack((s, np.zeros(shape=(3 - s.ndim, s.shape[0]))))38 r = np.matmul(self._rot_mat, s)39 return np.matmul(self._scale_mat, r)40 def distance_field(self,41 x_lags: Tuple[int, int],42 y_lags: Tuple[int, int],43 n_x: int,44 n_y: int) -> Tuple[np.ndarray, np.ndarray]:45 h_x = np.linspace(x_lags[0], x_lags[1], n_x)46 h_y = np.linspace(y_lags[0], y_lags[1], n_y)47 hx_mesh, hy_mesh = np.meshgrid(h_x, h_y)48 hh = self.distance(hx_mesh.flatten(), hy_mesh.flatten())49 return hh50 def axis_aligned_bounding_box(self, factor: float) -> np.ndarray:51 m = (1.0/factor) * np.matmul(self._scale_mat, self._rot_mat)52 omega_inv = np.linalg.inv(np.matmul(m.transpose(), m))...
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