98 lines
4.2 KiB
Python
98 lines
4.2 KiB
Python
import matplotlib.pyplot as plt
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import matplotlib.patches as patches
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from .handlers import PDFHandler
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def plot_geometry(filepath, pages='1', mesh=False, geometry_type='text', **kwargs):
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# explicit type conversion
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p = PDFHandler(filepath, pages)
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kwargs.update({'debug': geometry_type})
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__, geometry = p.parse(mesh=mesh, **kwargs)
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if geometry_type == 'text':
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for text in geometry.text:
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fig = plt.figure()
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ax = fig.add_subplot(111, aspect='equal')
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xs, ys = [], []
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for t in text:
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xs.extend([t[0], t[1]])
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ys.extend([t[2], t[3]])
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ax.add_patch(
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patches.Rectangle(
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(t[0], t[1]),
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t[2] - t[0],
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t[3] - t[1]
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)
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)
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ax.set_xlim(min(xs) - 10, max(xs) + 10)
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ax.set_ylim(min(ys) - 10, max(ys) + 10)
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plt.show()
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elif geometry_type == 'contour':
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try:
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for img, table_bbox in geometry.images:
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for t in table_bbox.keys():
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cv2.rectangle(img, (t[0], t[1]),
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(t[2], t[3]), (255, 0, 0), 3)
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plt.imshow(img)
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plt.show()
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except AttributeError:
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raise ValueError("This option can only be used with Lattice.")
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elif geometry_type == 'joint':
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try:
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for img, table_bbox in geometry.images:
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x_coord = []
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y_coord = []
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for k in table_bbox.keys():
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for coord in table_bbox[k]:
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x_coord.append(coord[0])
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y_coord.append(coord[1])
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max_x, max_y = max(x_coord), max(y_coord)
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plt.plot(x_coord, y_coord, 'ro')
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plt.axis([0, max_x + 100, max_y + 100, 0])
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plt.imshow(img)
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plt.show()
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except AttributeError:
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raise ValueError("This option can only be used with Lattice.")
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elif geometry_type == 'line':
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try:
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for v_s, h_s in geometry.segments:
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for v in v_s:
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plt.plot([v[0], v[2]], [v[1], v[3]])
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for h in h_s:
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plt.plot([h[0], h[2]], [h[1], h[3]])
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plt.show()
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except AttributeError:
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raise ValueError("This option can only be used with Lattice.")
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elif geometry_type == 'table':
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try:
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for tables in geometry.tables:
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for table in tables:
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for r in range(len(table.rows)):
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for c in range(len(table.cols)):
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if table.cells[r][c].left:
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plt.plot([table.cells[r][c].lb[0],
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table.cells[r][c].lt[0]],
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[table.cells[r][c].lb[1],
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table.cells[r][c].lt[1]])
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if table.cells[r][c].right:
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plt.plot([table.cells[r][c].rb[0],
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table.cells[r][c].rt[0]],
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[table.cells[r][c].rb[1],
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table.cells[r][c].rt[1]])
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if table.cells[r][c].top:
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plt.plot([table.cells[r][c].lt[0],
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table.cells[r][c].rt[0]],
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[table.cells[r][c].lt[1],
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table.cells[r][c].rt[1]])
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if table.cells[r][c].bottom:
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plt.plot([table.cells[r][c].lb[0],
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table.cells[r][c].rb[0]],
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[table.cells[r][c].lb[1],
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table.cells[r][c].rb[1]])
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plt.show()
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except AttributeError:
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raise ValueError("This option can only be used with Lattice.")
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else:
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raise UserWarning("This method can only be called after"
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" debug has been specified.") |