Indigo Renderer Forum

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    <mesh>
        <name>Plane</name>
        <merge_vertices_with_same_pos_and_normal>true</merge_vertices_with_same_pos_and_normal>
        <normal_smoothing>true</normal_smoothing>
        <max_num_subdivisions>12</max_num_subdivisions>
        <subdivision_smoothing>true</subdivision_smoothing>
        <embedded_2>
            <expose_uv_set>
...

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Merging vertices for mesh 'Plane'...
	Initial num vertices: 49
	New num vertices: 49
	Done.
Subdividing and displacing mesh 'Plane', (max num subdivisions = 12) ...
	Doing subdivision level 0...
		num triangles subdivided: 47
		num triangles unchanged: 25
		resulting num vertices: 129
		resulting num triangles: 244
		Done.
	Doing subdivision level 1...
		num triangles subdivided: 6
		num triangles unchanged: 207
		resulting num vertices: 142
		resulting num triangles: 262
		Done.
	Doing subdivision level 2...
		num triangles subdivided: 8
		num triangles unchanged: 223
		resulting num vertices: 164
		resulting num triangles: 286
		Done.
	Doing subdivision level 3...
		num triangles subdivided: 5
		num triangles unchanged: 250
		resulting num vertices: 176
		resulting num triangles: 301
		Done.
	Doing subdivision level 4...
		num triangles subdivided: 29
		num triangles unchanged: 241
		resulting num vertices: 239
		resulting num triangles: 388
		Done.
	Doing subdivision level 5...
		num triangles subdivided: 77
		num triangles unchanged: 280
		resulting num vertices: 397
		resulting num triangles: 619
		Done.
	Doing subdivision level 6...
		num triangles subdivided: 243
		num triangles unchanged: 345
		resulting num vertices: 850
		resulting num triangles: 1348
		Done.
	Doing subdivision level 7...
		num triangles subdivided: 381
		num triangles unchanged: 936
		resulting num vertices: 1615
		resulting num triangles: 2491
		Done.
	Doing subdivision level 8...
		num triangles subdivided: 601
		num triangles unchanged: 1859
		resulting num vertices: 2831
		resulting num triangles: 4294
		Done.
	Doing subdivision level 9...
		num triangles subdivided: 698
		num triangles unchanged: 3565
		resulting num vertices: 4316
		resulting num triangles: 6388
		Done.
	Doing subdivision level 10...
		num triangles subdivided: 1056
		num triangles unchanged: 5301
		resulting num vertices: 6524
		resulting num triangles: 9556
		Done.
	Doing subdivision level 11...
		num triangles subdivided: 1419
		num triangles unchanged: 8106
		resulting num vertices: 9534
		resulting num triangles: 13813
		Done.
	Done.