def make_rotating_slits(length, width, N, radius, layers, angle_ref=None, angle_sweep=360): """ :param length: Length of the slits in the circle :param width: Width of the slits in the circle :param N: Number of slits going around the circle :param radius: Radius of the circle :param layers: Layers to write the slits in :param angle_ref: if None, no angle reference lines are added. If '111' then add reference lines at 30/60 degrees. If '100' then add reference lines at 45/90 degrees. :return: """ cell = Cell('RotatingSlits') if not (type(layers) == list): layers = [layers] allslits = Cell('All Slits') angles = np.linspace(0, angle_sweep, N) # radius = length*12. translation = (radius, 0) pt1 = np.array((-length / 2., -width / 2.)) + translation pt2 = np.array((length / 2., width / 2.)) + translation slit = Cell("Slit") for l in layers: rect = Rectangle(pt1, pt2, layer=l) slit.add(rect) for angle in angles: allslits.add(slit.copy(), rotation=angle) cell.add(allslits) if angle_ref: labelCell = Cell('AngleLabels') lineCell = Cell('Line') pt1 = (-radius * 0.9, 0) pt2 = (radius * 0.9, 0) line = Path([pt1, pt2], width=width, layer=l) dLine = dashed_line(pt1, pt2, 2, width, l) lineCell.add(line) labelCell.add(lineCell, rotation=0) if angle_ref == '111': labelCell.add(lineCell, rotation=60) labelCell.add(lineCell, rotation=-60) labelCell.add(dLine, rotation=30) labelCell.add(dLine, rotation=90) labelCell.add(dLine, rotation=-30) elif angle_ref == '100': labelCell.add(lineCell, rotation=0) labelCell.add(lineCell, rotation=90) labelCell.add(dLine, rotation=45) labelCell.add(dLine, rotation=135) cell.add(labelCell) return cell
def make_rotating_slits(length, width, N, radius, layers, angle_sweep=360, angle_ref=False): cell = Cell('RotatingSlits') if not (type(layers) == list): layers = [layers] allslits = Cell('All Slits') angles = np.linspace(0, angle_sweep, N) # radius = length*12. translation = (radius, 0) pt1 = np.array((-length / 2., -width / 2.)) + translation pt2 = np.array((length / 2., width / 2.)) + translation slit = Cell("Slit") for l in layers: rect = Rectangle(pt1, pt2, layer=l) slit.add(rect) for angle in angles: allslits.add(slit.copy(), rotation=angle) cell.add(allslits) for l in layers: if angle_ref: label_cell = Cell('AngleLabels') line_cell = Cell('Line') pt1 = (0, 0) pt2 = (radius * 0.9, 0) line = Path([pt1, pt2], width=width, layer=l) d_line = dashed_line(pt1, pt2, 2, width, l) line_cell.add(line) rot_angle = 0 while True: if abs(rot_angle) > abs(angle_sweep): break if abs(rot_angle) % 60 == 0: label_cell.add(line_cell, rotation=rot_angle) if (abs(rot_angle) - 30) % 60 == 0: label_cell.add(d_line, rotation=rot_angle) rot_angle += np.sign(angle_sweep) * 15 cell.add(label_cell) return cell