121 lines
4.5 KiB
Python
121 lines
4.5 KiB
Python
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import math
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import numpy as np
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import pygarment as pyg
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from assets.garment_programs.base_classes import BaseBottoms
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from assets.garment_programs import skirt_paneled as skirts
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class Insert(pyg.Panel):
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def __init__(self, id, width=30, depth=30) -> None:
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super().__init__(f'Insert_{id}')
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self.edges = pyg.EdgeSeqFactory.from_verts(
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[0, 0],
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[width/2, depth],
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[width, 0], loop=True)
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self.interfaces = [
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pyg.Interface(self, self.edges[:2])
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]
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self.top_center_pivot()
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self.center_x()
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class GodetSkirt(BaseBottoms):
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def __init__(self, body, design, rise=None) -> None:
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super().__init__(body, design, rise=rise)
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gdesign = design['godet-skirt']
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ins_w = gdesign['insert_w']['v']
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ins_depth = gdesign['insert_depth']['v']
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base_skirt = getattr(skirts, gdesign['base']['v'])
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# NOTE: godets currently don't like slits on the front/back
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# of the base skirt => Forcing to remove any slits
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self.base = base_skirt(body, design, rise=rise, slit=False)
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bintr = self.base.interfaces['bottom']
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for edge, panel in zip(bintr.edges, bintr.panel):
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self.inserts(
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edge, panel, ins_w, ins_depth,
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num_inserts=gdesign['num_inserts']['v'] / len(bintr),
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cuts_dist=gdesign['cuts_distance']['v'])
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self.interfaces = {
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'top': self.base.interfaces['top']
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}
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def inserts(
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self, bottom_edge, panel, ins_w, ins_depth,
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num_inserts=3, cuts_dist=0):
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"""Create insert panels, add cuts to the skirt panel,
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and connect created insert panels with them
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"""
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num_inserts = int(num_inserts)
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bottom_len = bottom_edge.length()
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pbbox = panel.bbox3D()
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z_transl = panel.translation[-1] + np.sign(panel.translation[-1]) * 5
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y_base = pbbox[0][1] # min Y
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x_shift = (pbbox[0][0] + pbbox[1][0]) / 2
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cut_width = (bottom_len - cuts_dist * num_inserts) / num_inserts
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if cut_width < 1:
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cut_width = 1 # 1 cm
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cuts_dist_req = cuts_dist
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cuts_dist = (bottom_len - cut_width * num_inserts) / num_inserts
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if self.verbose:
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print(f'{self.__class__.__name__}::WARNING:: Cannot place {num_inserts} cuts '
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f'with requested distance between cuts ({cuts_dist_req}). '
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f'Using the maximum possible distance ({cuts_dist})')
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# Insert panels
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insert = Insert(0, width=ins_w, depth=ins_depth).translate_by([
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x_shift - num_inserts * ins_w / 2 + ins_w / 2, y_base + ins_depth, z_transl])
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self.subs += pyg.ops.distribute_horisontally(
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insert, num_inserts, -ins_w, 'ins_' + panel.name)
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# make appropriate cuts and stitches
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side_len = math.sqrt((ins_w / 2)**2 + ins_depth**2) # should be the same on the skirt and the insert
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if side_len > cut_width / 2: # Normal case
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cut_depth = math.sqrt(side_len**2 - (cut_width / 2)**2)
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else:
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old_cut_width = cut_width
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cut_depth = 1
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cut_width = 2 * math.sqrt(side_len**2 - cut_depth**2)
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if self.verbose:
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print(f'{self.__class__.__name__}::WARNING::Requested cut_width ({old_cut_width:.2f}) '
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'is too wide for given inserts. '
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f'Using the maximum possible width ({cut_width:.2f})')
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cut_shape = pyg.EdgeSeqFactory.from_verts(
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[0, 0], [cut_width / 2, cut_depth], [cut_width, 0])
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right = z_transl < 0 # NOTE: heuristic corresponding to skirts in our collection
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for i in range(num_inserts):
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offset = cut_width / 2 + (cuts_dist / 2 if i == 0 else cuts_dist) # start_offest + i * stride
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new_bottom, cutted, _ = pyg.ops.cut_into_edge(
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cut_shape, bottom_edge, offset=offset, right=right)
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panel.edges.substitute(bottom_edge, new_bottom)
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bottom_edge = new_bottom[-1] # New edge that needs to be cutted -- on the next step
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cut_interface = pyg.Interface(panel, cutted)
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if right:
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cut_interface.reverse()
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self.stitching_rules.append(
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(self.subs[-1-i if right else -(num_inserts-i)].interfaces[0],
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cut_interface))
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def get_rise(self):
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return self.base.get_rise()
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def length(self):
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return self.base.length()
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