69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
#!/usr/bin/env python3
|
|
import hashlib
|
|
import json
|
|
import os
|
|
import pathlib
|
|
import sys
|
|
import tempfile
|
|
|
|
import bpy
|
|
|
|
|
|
def rounded(value):
|
|
return round(float(value), 6)
|
|
|
|
|
|
def report():
|
|
data = bpy.data.pointclouds.get("WebGapPointCloud")
|
|
if data is None:
|
|
raise RuntimeError("WebGapPointCloud is missing")
|
|
positions = [0.0] * (len(data.points) * 3)
|
|
data.points.foreach_get("co", positions)
|
|
radius = data.attributes.get("radius")
|
|
radii = [0.0] * len(data.points)
|
|
if radius is not None:
|
|
radius.data.foreach_get("value", radii)
|
|
return {
|
|
"id": "pointcloud:" + data.name,
|
|
"name": data.name,
|
|
"pointCount": len(data.points),
|
|
"controlPoints": [rounded(value) for value in positions],
|
|
"radii": [rounded(value) for value in radii],
|
|
}
|
|
|
|
|
|
def main():
|
|
arguments = sys.argv[sys.argv.index("--") + 1 :]
|
|
if len(arguments) != 2:
|
|
raise SystemExit("usage: blender -b --python check-pointcloud-desktop.py -- FIXTURE REPORT")
|
|
fixture, output = (pathlib.Path(value).resolve() for value in arguments)
|
|
bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
|
|
before = report()
|
|
descriptor, temporary = tempfile.mkstemp(prefix="m16-pointcloud-reopen-", suffix=".blend", dir=fixture.parent)
|
|
os.close(descriptor)
|
|
try:
|
|
bpy.ops.wm.save_as_mainfile(filepath=temporary, check_existing=False, compress=True)
|
|
bpy.ops.wm.open_mainfile(filepath=temporary, load_ui=False)
|
|
after = report()
|
|
finally:
|
|
pathlib.Path(temporary).unlink(missing_ok=True)
|
|
if before != after:
|
|
raise RuntimeError(f"point cloud save/reopen drift: {before} != {after}")
|
|
value = {
|
|
"schemaVersion": 1,
|
|
"task": "M16-GAP-00019",
|
|
"operation": "POINT_CLOUD_DATABLOCK_DESKTOP",
|
|
"fixture": str(fixture),
|
|
"fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
|
|
"pointCloud": after,
|
|
"saveReopen": "EXACT",
|
|
"blenderVersion": bpy.app.version_string,
|
|
}
|
|
output.parent.mkdir(parents=True, exist_ok=True)
|
|
output.write_text(json.dumps(value, indent=2, sort_keys=True) + "\n", encoding="utf-8")
|
|
print(f"pointcloud-desktop-ok id={after['id']} points={after['pointCount']} saveReopen=exact")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|