def read(self, file_name, storage_device):
extension = os.path.splitext(file_name)[1]
if extension.lower() == self._supported_extension:
loaded_workspace = SceneNode()
mesh_handler = Application.getInstance().getMeshFileHandler()
f = storage_device.openFile(file_name, "rt")
tree = ET.parse(f)
root = tree.getroot()
if root.tag == "MeshLabProject":
for group in root.findall("MeshGroup"):
for mesh in group.findall("MLMesh"):
mesh_data = mesh_handler.read(mesh.get("filename"),Application.getInstance().getStorageDevice("local"))
mesh_data.setName(mesh.get("label"))
if mesh_data.getType() is MeshType.pointcloud:
mesh_node = PointCloudNode(loaded_workspace)
else:
mesh_node = SceneNode(loaded_workspace)
mesh_lines = mesh.findall("MLMatrix44")[0].text.splitlines()
mesh_matrix = Matrix()
mesh_matrix.setColumn(0,mesh_lines[1].split())
mesh_matrix.setColumn(1,mesh_lines[2].split())
mesh_matrix.setColumn(2,mesh_lines[3].split())
mesh_matrix.setColumn(3,mesh_lines[4].split())
mesh_node.setMeshData(mesh_data)
return loaded_workspace
else:
Logger.log("e", "Unable to load file. It seems to be formated wrong.")
return None
else:
return None # Can't do anything with provided extention
def _readMeshFinished(self, job):
mesh = job.getResult()
if mesh != None:
if mesh.getType() is MeshType.pointcloud: #Depending on the type we need a different node (as pointclouds are rendered differently)
node = PointCloudNode()
else:
node = SceneNode()
node.setSelectable(True)
node.setMeshData(mesh)
node.setName(os.path.basename(job.getFileName()))
op = AddSceneNodeOperation(node, self._scene.getRoot())
op.push()
self._scene.sceneChanged.emit(node)
