nan
13fab9ce88
- Created development.md for development setup and licensing information. - Added features.md detailing functionalities and usage instructions for developers and users. - Introduced index.md to serve as a navigation hub for the documentation. - Developed outputs.md to explain output formats and their specifications. - Established service.md to describe the AI Service architecture and environment setup. - Created surface.md to outline the process of converting Image Empty to perspective meshes.
230 lines
7.6 KiB
Python
230 lines
7.6 KiB
Python
from pathlib import Path
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import sys
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import bpy
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import numpy as np
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sys.path.insert(0, str(Path(__file__).parents[1] / "src"))
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from snapform.image_mesh import create_matching_camera, load_geometry_node_group
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def set_input(modifier, group, name, value):
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item = next(
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item
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for item in group.interface.items_tree
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if item.item_type == "SOCKET"
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and item.in_out == "INPUT"
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and item.name == name
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)
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modifier[item.identifier] = value
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def add_face_attributes(mesh, count):
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confidence = mesh.attributes.new("o_face_confidence", "FLOAT", "FACE")
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confidence.data.foreach_set("value", [1.0] * count)
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def main():
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bpy.ops.wm.read_factory_settings(use_empty=True)
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group = load_geometry_node_group()
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assert load_geometry_node_group() == group
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assert group.is_modifier
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geometry_input = next(
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item
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for item in group.interface.items_tree
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if item.item_type == "SOCKET"
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and item.in_out == "INPUT"
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and item.name == "Geometry"
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)
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assert geometry_input.structure_type == "SINGLE"
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input_sockets = [
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item for item in group.interface.items_tree
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if item.item_type == "SOCKET" and item.in_out == "INPUT"
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]
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assert all(item.structure_type == "SINGLE" for item in input_sockets)
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resolution = next(item for item in input_sockets if item.name == "Resolution")
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assert abs(resolution.default_value - 0.1) < 1e-6
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assert group.asset_data is None
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assert not any(node.bl_idname == "GeometryNodeGroup" for node in group.nodes)
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assert not any(node.bl_idname == "GeometryNodeTriangulate" for node in group.nodes)
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group_inputs = [
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node for node in group.nodes if node.bl_idname == "NodeGroupInput"
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]
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assert len(group_inputs) >= 7
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for node in group_inputs:
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visible_outputs = [
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output for output in node.outputs if output.name and not output.hide
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]
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assert 1 <= len(visible_outputs) <= 4
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uv_stores = [
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node
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for node in group.nodes
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if node.bl_idname == "GeometryNodeStoreNamedAttribute"
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and node.inputs["Name"].default_value == "UVMap"
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]
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assert len(uv_stores) == 1
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assert uv_stores[0].data_type == "FLOAT2"
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panels = {
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item.name: item
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for item in group.interface.items_tree
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if item.item_type == "PANEL"
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}
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assert not panels["Culling"].default_closed
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assert panels["Options"].default_closed
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assert [item.name for item in panels["Culling"].interface_items] == [
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"Depth Continuity",
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"Confidence",
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]
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assert [item.name for item in panels["Options"].interface_items] == [
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"Fix Topology",
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]
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smooth = next(
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item
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for item in group.interface.items_tree
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if item.item_type == "SOCKET"
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and item.in_out == "INPUT"
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and item.name == "Smooth"
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)
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assert smooth.default_value == 0.5
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for name, default_value in (
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("Confidence", 0.0),
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("Depth Continuity", 50.0),
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):
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item = next(
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item
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for item in panels["Culling"].interface_items
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if item.name == name
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)
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assert item.min_value == 0.0
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assert item.max_value == 100.0
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assert item.default_value == default_value
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assert item.subtype == "PERCENTAGE"
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if bpy.app.version >= (5, 0, 0):
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assert group.library is not None
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mesh = bpy.data.meshes.new("Validation Mesh")
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mesh.from_pydata(
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[(0, 0, 0), (1, 0, 0), (0, 1, 0), (1, 1, 0)],
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[],
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[(0, 2, 1), (1, 2, 3)],
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)
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discontinuity = mesh.attributes.new(
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"o_depth_discontinuity",
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"FLOAT",
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"FACE",
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)
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discontinuity.data.foreach_set("value", [0.03] * len(mesh.polygons))
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uv = mesh.uv_layers.new(name="UVMap")
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uv.data.foreach_set("uv", [0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1])
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add_face_attributes(mesh, 2)
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assert not {
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"o_background",
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"o_background_face",
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"o_confidence",
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"o_confidence_percentile",
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}.intersection(mesh.attributes.keys())
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obj = bpy.data.objects.new("Validation Object", mesh)
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bpy.context.scene.collection.objects.link(obj)
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modifier = obj.modifiers.new(name=group.name, type="NODES")
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modifier.node_group = group
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modifier.show_group_selector = False
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assert not modifier.show_group_selector
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set_input(modifier, group, "Resolution", 0.000001)
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set_input(modifier, group, "Relax Iterations", 1)
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set_input(modifier, group, "Fix Topology", 0)
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set_input(modifier, group, "Smooth", 0.0)
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evaluated = obj.evaluated_get(bpy.context.evaluated_depsgraph_get())
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result = evaluated.to_mesh()
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try:
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assert len(result.polygons) == 2
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assert "UVMap" in result.attributes
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assert result.attributes["UVMap"].data_type == "FLOAT2"
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finally:
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evaluated.to_mesh_clear()
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set_input(modifier, group, "Depth Continuity", 100.0)
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discontinuity_item = next(
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item
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for item in group.interface.items_tree
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if item.item_type == "SOCKET" and item.name == "Depth Continuity"
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)
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assert modifier[discontinuity_item.identifier] == 100.0
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obj.update_tag(refresh={"DATA"})
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bpy.context.view_layer.update()
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culled = obj.evaluated_get(bpy.context.evaluated_depsgraph_get())
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culled_result = culled.to_mesh()
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try:
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assert len(culled_result.polygons) == 0
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assert len(culled_result.vertices) == 0
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finally:
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culled.to_mesh_clear()
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size = 10
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dense_vertices = [
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(x * 0.1, y * 0.1, 0.0)
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for y in range(size)
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for x in range(size)
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]
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dense_faces = []
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for y in range(size - 1):
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for x in range(size - 1):
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a = y * size + x
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b = a + 1
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c = a + size
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d = c + 1
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dense_faces.extend(((a, c, b), (b, c, d)))
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dense_mesh = bpy.data.meshes.new("Dense Validation Mesh")
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dense_mesh.from_pydata(dense_vertices, [], dense_faces)
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dense_uv = dense_mesh.uv_layers.new(name="UVMap")
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dense_uv.data.foreach_set("uv", [0.0] * (len(dense_mesh.loops) * 2))
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add_face_attributes(dense_mesh, len(dense_faces))
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dense_object = bpy.data.objects.new("Dense Validation Object", dense_mesh)
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bpy.context.scene.collection.objects.link(dense_object)
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dense_modifier = dense_object.modifiers.new(name=group.name, type="NODES")
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dense_modifier.node_group = group
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set_input(dense_modifier, group, "Resolution", 0.22)
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dense_evaluated = dense_object.evaluated_get(
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bpy.context.evaluated_depsgraph_get()
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)
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dense_result = dense_evaluated.to_mesh()
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try:
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assert 4 < len(dense_result.polygons) < len(dense_faces)
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assert all(polygon.normal.z < -0.01 for polygon in dense_result.polygons)
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finally:
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dense_evaluated.to_mesh_clear()
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source = bpy.data.objects.new("Validation Source", None)
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bpy.context.scene.collection.objects.link(source)
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source.location = (2.0, 3.0, 4.0)
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bpy.context.view_layer.update()
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obj.matrix_world = source.matrix_world.copy()
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bpy.context.view_layer.update()
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camera = create_matching_camera(
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bpy.context,
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source,
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obj,
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"Validation",
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np.asarray(
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((100.0, 0.0, 50.0), (0.0, 100.0, 50.0), (0.0, 0.0, 1.0))
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),
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(101, 101),
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{"scale_x": 1.0, "scale_z": 1.0, "location": (0.0, 0.0, 2.0)},
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)
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assert camera.parent == obj
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camera_location = tuple(
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round(value, 5) for value in camera.matrix_world.translation
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)
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assert camera_location == (
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2.0,
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3.0,
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6.0,
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)
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print(f"Validated Blender {bpy.app.version_string}: {group.name}")
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if __name__ == "__main__":
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main()
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