def download_progressive(model, offset, length, refinements_read, num_refinements, previous_data):
"""Given a model, offset and length, download progressive hash data"""
types = model.model_json['metadata']['types']
type_dict = types[model.model_type]
progressive_hash = type_dict['progressive_stream']
data = hashfetch(progressive_hash, httprange=(offset, length))
if previous_data is not None:
data = previous_data + data
refinements = pdae_utils.readPDAEPartial(data, refinements_read, num_refinements)
return refinements
def download_progressive(model, offset, length, refinements_read,
num_refinements, previous_data):
"""Given a model, offset and length, download progressive hash data"""
types = model.model_json['metadata']['types']
type_dict = types[model.model_type]
progressive_hash = type_dict['progressive_stream']
data = hashfetch(progressive_hash, httprange=(offset, length))
if previous_data is not None:
data = previous_data + data
refinements = pdae_utils.readPDAEPartial(data, refinements_read,
num_refinements)
return refinements
def _run(progressive_stream_hash, offset, length, refinements_read, num_refinements, previous_data):
with base.print_exc_onerror():
pm_data = previous_data + open3dhub.hashfetch(progressive_stream_hash, httprange=(offset, length))
(refinements_read, num_refinements, pm_refinements, data_left) = pdae_utils.readPDAEPartial(pm_data, refinements_read, num_refinements)
return (refinements_read, num_refinements, pm_refinements, data_left)
def getPmPerceptualError(mesh, pm_filebuf, mipmap_tarfilebuf):
perceptualdiff = which('perceptualdiff')
if perceptualdiff is None:
raise Exception("perceptualdiff exectuable not found on path")
pm_chunks = []
if pm_filebuf is not None:
data = pm_filebuf.read(PM_CHUNK_SIZE)
refinements_read = 0
num_refinements = None
while len(data) > 0:
(refinements_read, num_refinements, pm_refinements,
data_left) = pdae_utils.readPDAEPartial(data, refinements_read,
num_refinements)
pm_chunks.append(pm_refinements)
data = data_left + pm_filebuf.read(PM_CHUNK_SIZE)
tar = tarfile.TarFile(fileobj=mipmap_tarfilebuf)
texsizes = []
largest_tarinfo = (0, None)
for tarinfo in tar:
tarinfo.xsize = int(tarinfo.name.split('x')[0])
if tarinfo.xsize > largest_tarinfo[0]:
largest_tarinfo = (tarinfo.xsize, tarinfo)
if tarinfo.xsize >= 128:
texsizes.append(tarinfo)
if len(texsizes) == 0:
texsizes.append(largest_tarinfo[1])
texsizes = sorted(texsizes, key=lambda t: t.xsize)
texims = []
first_image_data = None
for tarinfo in texsizes:
f = tar.extractfile(tarinfo)
texdata = f.read()
if first_image_data is None:
first_image_data = texdata
texpnm = PNMImage()
texpnm.read(StringStream(texdata), 'something.jpg')
newtex = Texture()
newtex.load(texpnm)
texims.append(newtex)
mesh.images[0].setData(first_image_data)
scene_members = getSceneMembers(mesh)
# turn off panda3d printing to stdout
nout = MultiplexStream()
Notify.ptr().setOstreamPtr(nout, 0)
nout.addFile(Filename(os.devnull))
base = ShowBase()
rotateNode = GeomNode("rotater")
rotatePath = base.render.attachNewNode(rotateNode)
matrix = numpy.identity(4)
if mesh.assetInfo.upaxis == collada.asset.UP_AXIS.X_UP:
r = collada.scene.RotateTransform(0, 1, 0, 90)
matrix = r.matrix
elif mesh.assetInfo.upaxis == collada.asset.UP_AXIS.Y_UP:
r = collada.scene.RotateTransform(1, 0, 0, 90)
matrix = r.matrix
rotatePath.setMat(Mat4(*matrix.T.flatten().tolist()))
geom, renderstate, mat4 = scene_members[0]
node = GeomNode("primitive")
node.addGeom(geom)
if renderstate is not None:
node.setGeomState(0, renderstate)
geomPath = rotatePath.attachNewNode(node)
geomPath.setMat(mat4)
wrappedNode = ensureCameraAt(geomPath, base.camera)
base.disableMouse()
attachLights(base.render)
base.render.setShaderAuto()
base.render.setTransparency(TransparencyAttrib.MNone)
base.render.setColorScaleOff(9999)
controls.KeyboardMovement()
controls.MouseDrag(wrappedNode)
controls.MouseScaleZoom(wrappedNode)
controls.ButtonUtils(wrappedNode)
controls.MouseCamera()
error_data = []
try:
tempdir = tempfile.mkdtemp(prefix='meshtool-print-pm-perceptual-error')
triangleCounts = []
hprs = [(0, 0, 0), (0, 90, 0), (0, 180, 0), (0, 270, 0), (90, 0, 0),
(-90, 0, 0)]
for texim in texims:
np = base.render.find("**/rotater/collada")
np.setTextureOff(1)
np.setTexture(texim, 1)
for angle, hpr in enumerate(hprs):
wrappedNode.setHpr(*hpr)
takeScreenshot(tempdir, base, geomPath, texim, angle)
triangleCounts.append(getNumTriangles(geomPath))
for pm_chunk in pm_chunks:
pdae_panda.add_refinements(geomPath, pm_chunk)
for texim in texims:
np = base.render.find("**/rotater/collada")
np.setTextureOff(1)
np.setTexture(texim, 1)
for angle, hpr in enumerate(hprs):
wrappedNode.setHpr(*hpr)
takeScreenshot(tempdir, base, geomPath, texim, angle)
triangleCounts.append(getNumTriangles(geomPath))
full_tris = triangleCounts[-1]
full_tex = texims[-1]
for numtris in triangleCounts:
for texim in texims:
pixel_diff = 0
for angle, hpr in enumerate(hprs):
curFile = '%d_%d_%d_%d.png' % (numtris, texim.getXSize(),
texim.getYSize(), angle)
curFile = os.path.join(tempdir, curFile)
fullFile = '%d_%d_%d_%d.png' % (full_tris,
full_tex.getXSize(),
full_tex.getYSize(), angle)
fullFile = os.path.join(tempdir, fullFile)
try:
output = subprocess.check_output([
perceptualdiff, '-threshold', '1', fullFile,
curFile
])
except subprocess.CalledProcessError as ex:
output = ex.output
output = output.strip()
if len(output) > 0:
pixel_diff = max(pixel_diff,
int(output.split('\n')[1].split()[0]))
error_data.append({
'triangles': numtris,
'width': texim.getXSize(),
'height': texim.getYSize(),
'pixel_error': pixel_diff
})
finally:
shutil.rmtree(tempdir, ignore_errors=True)
return error_data
def getPmPerceptualError(mesh, pm_filebuf, mipmap_tarfilebuf):
perceptualdiff = which('perceptualdiff')
if perceptualdiff is None:
raise Exception("perceptualdiff exectuable not found on path")
pm_chunks = []
if pm_filebuf is not None:
data = pm_filebuf.read(PM_CHUNK_SIZE)
refinements_read = 0
num_refinements = None
while len(data) > 0:
(refinements_read, num_refinements, pm_refinements, data_left) = pdae_utils.readPDAEPartial(data, refinements_read, num_refinements)
pm_chunks.append(pm_refinements)
data = data_left + pm_filebuf.read(PM_CHUNK_SIZE)
tar = tarfile.TarFile(fileobj=mipmap_tarfilebuf)
texsizes = []
largest_tarinfo = (0, None)
for tarinfo in tar:
tarinfo.xsize = int(tarinfo.name.split('x')[0])
if tarinfo.xsize > largest_tarinfo[0]:
largest_tarinfo = (tarinfo.xsize, tarinfo)
if tarinfo.xsize >= 128:
texsizes.append(tarinfo)
if len(texsizes) == 0:
texsizes.append(largest_tarinfo[1])
texsizes = sorted(texsizes, key=lambda t: t.xsize)
texims = []
first_image_data = None
for tarinfo in texsizes:
f = tar.extractfile(tarinfo)
texdata = f.read()
if first_image_data is None:
first_image_data = texdata
texpnm = PNMImage()
texpnm.read(StringStream(texdata), 'something.jpg')
newtex = Texture()
newtex.load(texpnm)
texims.append(newtex)
mesh.images[0].setData(first_image_data)
scene_members = getSceneMembers(mesh)
# turn off panda3d printing to stdout
nout = MultiplexStream()
Notify.ptr().setOstreamPtr(nout, 0)
nout.addFile(Filename(os.devnull))
base = ShowBase()
rotateNode = GeomNode("rotater")
rotatePath = base.render.attachNewNode(rotateNode)
matrix = numpy.identity(4)
if mesh.assetInfo.upaxis == collada.asset.UP_AXIS.X_UP:
r = collada.scene.RotateTransform(0,1,0,90)
matrix = r.matrix
elif mesh.assetInfo.upaxis == collada.asset.UP_AXIS.Y_UP:
r = collada.scene.RotateTransform(1,0,0,90)
matrix = r.matrix
rotatePath.setMat(Mat4(*matrix.T.flatten().tolist()))
geom, renderstate, mat4 = scene_members[0]
node = GeomNode("primitive")
node.addGeom(geom)
if renderstate is not None:
node.setGeomState(0, renderstate)
geomPath = rotatePath.attachNewNode(node)
geomPath.setMat(mat4)
wrappedNode = ensureCameraAt(geomPath, base.camera)
base.disableMouse()
attachLights(base.render)
base.render.setShaderAuto()
base.render.setTransparency(TransparencyAttrib.MNone)
base.render.setColorScaleOff(9999)
controls.KeyboardMovement()
controls.MouseDrag(wrappedNode)
controls.MouseScaleZoom(wrappedNode)
controls.ButtonUtils(wrappedNode)
controls.MouseCamera()
error_data = []
try:
tempdir = tempfile.mkdtemp(prefix='meshtool-print-pm-perceptual-error')
triangleCounts = []
hprs = [(0, 0, 0),
(0, 90, 0),
(0, 180, 0),
(0, 270, 0),
(90, 0, 0),
(-90, 0, 0)]
for texim in texims:
np = base.render.find("**/rotater/collada")
np.setTextureOff(1)
np.setTexture(texim, 1)
for angle, hpr in enumerate(hprs):
wrappedNode.setHpr(*hpr)
takeScreenshot(tempdir, base, geomPath, texim, angle)
triangleCounts.append(getNumTriangles(geomPath))
for pm_chunk in pm_chunks:
pdae_panda.add_refinements(geomPath, pm_chunk)
for texim in texims:
np = base.render.find("**/rotater/collada")
np.setTextureOff(1)
np.setTexture(texim, 1)
for angle, hpr in enumerate(hprs):
wrappedNode.setHpr(*hpr)
takeScreenshot(tempdir, base, geomPath, texim, angle)
triangleCounts.append(getNumTriangles(geomPath))
full_tris = triangleCounts[-1]
full_tex = texims[-1]
for numtris in triangleCounts:
for texim in texims:
pixel_diff = 0
for angle, hpr in enumerate(hprs):
curFile = '%d_%d_%d_%d.png' % (numtris, texim.getXSize(), texim.getYSize(), angle)
curFile = os.path.join(tempdir, curFile)
fullFile = '%d_%d_%d_%d.png' % (full_tris, full_tex.getXSize(), full_tex.getYSize(), angle)
fullFile = os.path.join(tempdir, fullFile)
try:
output = subprocess.check_output([perceptualdiff, '-threshold', '1', fullFile, curFile])
except subprocess.CalledProcessError as ex:
output = ex.output
output = output.strip()
if len(output) > 0:
pixel_diff = max(pixel_diff, int(output.split('\n')[1].split()[0]))
error_data.append({'triangles': numtris,
'width': texim.getXSize(),
'height': texim.getYSize(),
'pixel_error': pixel_diff})
finally:
shutil.rmtree(tempdir, ignore_errors=True)
return error_data