h3n3/yet-another-cad-viewer
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better logo design

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Yeicor
2024-02-18 17:41:15 +01:00
parent 613fe9269a
commit 27944ab9cd
2 changed files with 20 additions and 7 deletions
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14
yacv_server/tessellate.py
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@@ -18,6 +18,7 @@ from OCP.TopoDS import TopoDS_Face, TopoDS_Edge, TopoDS_Shape, TopoDS_Vertex
from build123d import Face, Vector, Shape, Vertex
from pygltflib import LINE_STRIP, GLTF2, Material, PbrMetallicRoughness, TRIANGLES, POINTS, TextureInfo
import mylogger
from gltf import create_gltf, _checkerboard_image
@@ -106,12 +107,15 @@ def _tessellate_face(
) -> GLTF2:
"""Tessellate a face into a list of triangle vertices and a list of triangle indices"""
face = Face(ocp_face)
print("Tessellating face", face.center())
face.mesh(tolerance, angular_tolerance)
loc = TopLoc_Location()
poly = BRep_Tool.Triangulation_s(face.wrapped, loc)
if poly is None:
mylogger.logger.warn("No triangulation found for face")
return GLTF2()
tri_mesh = face.tessellate(tolerance, angular_tolerance)
# Get UV of each face from the parameters
loc = TopLoc_Location()
poly = BRep_Tool.Triangulation_s(face.wrapped, loc)
uv = [
[v.X(), v.Y()]
for v in (poly.UVNode(i) for i in range(1, poly.NbNodes() + 1))
@@ -122,7 +126,7 @@ def _tessellate_face(
tex_coord = np.array(uv)
mode = TRIANGLES
material = Material(pbrMetallicRoughness=PbrMetallicRoughness(
baseColorFactor=[0.3, 1.0, 0.2, 1.0], roughnessFactor=0.1, baseColorTexture=TextureInfo(index=0)),
baseColorFactor=[0.3, 1.0, 0.2, 1.0], metallicFactor=0.1, baseColorTexture=TextureInfo(index=0)),
alphaCutoff=None)
return create_gltf(vertices, indices, tex_coord, mode, material, images=[_checkerboard_image])
@@ -151,7 +155,7 @@ def _tessellate_edge(
tex_coord = np.array([], dtype=np.float32)
mode = LINE_STRIP
material = Material(
pbrMetallicRoughness=PbrMetallicRoughness(baseColorFactor=[0.3, 0.3, 1.0, 1.0]),
pbrMetallicRoughness=PbrMetallicRoughness(baseColorFactor=[0.0, 0.0, 0.3, 1.0]),
alphaCutoff=None)
return create_gltf(np.array(vertices), indices, tex_coord, mode, material)