unleashed-firmware/applications/external/swd_probe/model/convert.py
2023-03-15 01:25:18 +03:00

39 lines
1.3 KiB
Python

#!/usr/bin/python
import plyfile
import argparse
parser = argparse.ArgumentParser(description='Convert a PLY file to C arrays.')
parser.add_argument('input_file', help='the input PLY file')
parser.add_argument('output_file', help='the output C file')
args = parser.parse_args()
# Open the PLY file
plydata = plyfile.PlyData.read(args.input_file)
# Extract the vertices
vertices = plydata['vertex'].data
num_vertices = len(vertices)
with open(args.output_file, 'w') as f:
f.write('#define NUM_VERTICES %d\n' % num_vertices)
f.write('float vertexCoords[NUM_VERTICES][3] = {\n')
for i in range(num_vertices):
x, y, z = vertices[i][0], vertices[i][1], vertices[i][2]
f.write(' {%f, %f, %f},\n' % (x, y, z))
f.write('};')
# Extract the faces
faces = plydata['face'].data
num_faces = len(faces)
f.write('int edgeIndices[][3] = {\n')
for i in range(num_faces):
face = faces[i][0]
if len(face) == 3:
f.write(' {%d, %d, %d},\n' % (face[0], face[1], face[2]))
elif len(face) == 4:
# Convert 4-index face to 2-index edges
edges = [(face[0], face[1]), (face[1], face[2]), (face[2], face[3]), (face[3], face[0])]
for edge in edges:
f.write(' {%d, %d},\n' % (edge[0], edge[1]))
f.write('};\n')