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91 lines
3.6 KiB
91 lines
3.6 KiB
import bpy, sys, os, math |
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pid = '26385' |
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workdir = '/home/water/Downloads/' |
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filename = f'{workdir}{pid}/{pid}_9cm_x1.obj' |
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bpy.ops.import_scene.obj(filepath=filename) |
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# 坐标复位 |
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obj = bpy.context.selected_objects[0] |
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obj.rotation_euler[0] = 0 |
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bpy.ops.object.transform_apply(location=True, rotation=True, scale=True) |
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bpy.ops.object.origin_set(type='ORIGIN_CENTER_OF_VOLUME', center='MEDIAN') |
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bpy.ops.object.align(align_mode='OPT_1', relative_to='OPT_1', align_axis={'Y', 'Z'}) |
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bpy.ops.object.transform_apply(location=True, rotation=True, scale=True) |
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# bpy.ops.export_scene.obj(filepath=f'{workdir}{pid}_align_yz.obj') |
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# 躺平到打印机排版需要的坐标与角度 |
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obj.rotation_euler = (math.radians(90), math.radians(90), 0) |
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bpy.ops.object.transform_apply(rotation=True) |
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# bpy.ops.export_scene.obj(filepath=f'{workdir}{pid}_rotate_y90.obj') |
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heights = {} |
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min_height = 999999 |
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min_i = 0 |
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max_height = -999999 |
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max_i = 0 |
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bpy.ops.object.origin_set(type='ORIGIN_CENTER_OF_VOLUME', center='MEDIAN') |
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bpy.ops.object.align(align_mode='OPT_1', relative_to='OPT_3', align_axis={'X', 'Y', 'Z'}) |
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# 步进精度2旋转X轴到180度，找到Y轴最低点和最高点，其中最低点为打印 |
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step = 2 |
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i = 0 |
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while i <= 180: |
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obj.rotation_euler = (math.radians(step), 0, 0) |
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bpy.ops.object.transform_apply(rotation=True) |
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if obj.dimensions[1] < min_height: |
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min_height = obj.dimensions[1] |
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min_i = i |
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if obj.dimensions[1] > max_height: |
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max_height = obj.dimensions[1] |
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max_i = i |
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heights[i] = (obj.dimensions[0], obj.dimensions[1], obj.dimensions[2]) |
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print(i, heights[i]) |
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i += step |
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obj.rotation_euler = (0, 0, 0) |
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bpy.ops.object.transform_apply(rotation=True) |
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obj.rotation_euler = (math.radians(min_i), 0, 0) |
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bpy.ops.object.transform_apply(rotation=True) |
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#bpy.ops.export_scene.obj(filepath=f'{workdir}{pid}_miny.obj') |
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print(f'最小高度: {min_height} @ {heights[min_i]}min_i:{min_i}' , f'最大高度: {max_height} @ {heights[max_i]}max_i:{max_i}') |
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offset = 45.5 |
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radian = math.radians(90) |
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bpy.ops.mesh.primitive_plane_add(size=200, enter_editmode=False, align='WORLD', location=(offset, 0, 0), rotation=(0, radian, 0), scale=(1, 1, 1)) |
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# 布尔切割，保留交集切面 |
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bpy.ops.object.modifier_add(type='BOOLEAN') |
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bpy.context.object.modifiers["Boolean"].object = bpy.data.objects[pid] |
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bpy.context.object.modifiers["Boolean"].operation = 'INTERSECT' |
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bpy.context.object.modifiers["Boolean"].solver = 'FAST' |
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bpy.ops.object.modifier_apply(modifier="Boolean") |
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# 拆分切割面为多个多边形，然后遍历多边形，找到最大的面积 |
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bpy.ops.mesh.separate(type='LOOSE') |
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max_area = 0 |
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max_obj = None |
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for obj in bpy.data.objects: |
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if obj.type == 'MESH' and obj.name.startswith('Plane'): |
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area = obj.data.polygons[0].area |
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if area > max_area: |
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max_area = area |
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max_obj = obj |
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# 选中最大面积的多边形，然后计算中心点 |
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bpy.ops.object.select_all(action='DESELECT') |
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max_obj.select_set(True) |
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bpy.context.view_layer.objects.active = max_obj |
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bpy.ops.object.origin_set(type='ORIGIN_GEOMETRY') |
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bpy.ops.import_scene.obj(filepath=f'{workdir}{pid}/qrcode.obj') |
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qr_obj = bpy.data.objects['qrcode'] |
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shore_obj = bpy.data.objects['Cube.001'] |
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qr_obj.location = (max_obj.location[0] - qr_obj.dimensions[0] / 2 - shore_obj.dimensions[0], max_obj.location[1], max_obj.location[2]) |
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shore_obj.location = (qr_obj.location[0]-0.01, max_obj.location[1], max_obj.location[2]) |
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for obj in bpy.data.objects: |
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if obj.type == 'MESH' and obj.name.startswith('Plane'): |
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bpy.data.objects.remove(obj) |