def read(self, file_name, **kwargs):
try:
for id, reader in self._mesh_readers.items():
result = reader.read(file_name)
if result is not None:
if kwargs.get("center", True):
# If the result has a mesh and no children it needs to be centered
if result.getMeshData() and len(result.getChildren()) == 0:
extents = result.getMeshData().getExtents()
move_vector = Vector()
move_vector.setX(extents.center.x)
move_vector.setY(extents.center.y) # Ensure that bottom is on 0 (above plate)
move_vector.setZ(extents.center.z)
result.setCenterPosition(move_vector)
if result.getMeshData().getExtents().bottom != 0:
result.translate(Vector(0,-result.getMeshData().getExtents().bottom ,0))
# Move all the meshes of children so that toolhandles are shown in the correct place.
for node in result.getChildren():
if node.getMeshData():
extents = node.getMeshData().getExtents()
m = Matrix()
m.translate(-extents.center)
node.setMeshData(node.getMeshData().getTransformed(m))
node.translate(extents.center)
return result
except OSError as e:
Logger.log("e", str(e))
Logger.log("w", "Unable to read file %s", file_name)
return None #unable to read
def readerRead(self, reader, file_name, **kwargs):
try:
results = reader.read(file_name)
if results is not None:
if type(results) is not list:
results = [results]
for result in results:
if kwargs.get("center", True):
# If the result has a mesh and no children it needs to be centered
if result.getMeshData() and len(result.getChildren()) == 0:
extents = result.getMeshData().getExtents()
move_vector = Vector(extents.center.x, extents.center.y, extents.center.z)
result.setCenterPosition(move_vector)
# Move all the meshes of children so that toolhandles are shown in the correct place.
for node in result.getChildren():
if node.getMeshData():
extents = node.getMeshData().getExtents()
m = Matrix()
m.translate(-extents.center)
node.setMeshData(node.getMeshData().getTransformed(m))
node.translate(extents.center)
return results
except OSError as e:
Logger.log("e", str(e))
Logger.log("w", "Unable to read file %s", file_name)
return None # unable to read
def resetMeshOrigin(self) -> None:
nodes_list = self._getSelectedNodes()
if not nodes_list:
return
op = GroupedOperation()
for node in nodes_list:
mesh_data = node.getMeshData()
if not mesh_data:
continue
extents = mesh_data.getExtents()
center = Vector(extents.center.x, extents.center.y, extents.center.z)
translation = Matrix()
translation.setByTranslation(-center)
transformed_mesh_data = mesh_data.getTransformed(translation).set(zero_position=Vector())
new_transformation = Matrix(node.getLocalTransformation().getData()) # Matrix.copy() is not available in Cura 3.5-4.0
new_transformation.translate(center)
op.addOperation(SetMeshDataAndNameOperation(node, transformed_mesh_data, node.getName()))
op.addOperation(SetTransformMatrixOperation(node, new_transformation))
op.push()
def readerRead(self, reader, file_name, **kwargs):
try:
results = reader.read(file_name)
if results is not None:
if type(results) is not list:
results = [results]
for result in results:
if kwargs.get("center", True):
# If the result has a mesh and no children it needs to be centered
if result.getMeshData() and len(
result.getChildren()) == 0:
extents = result.getMeshData().getExtents()
move_vector = Vector(extents.center.x,
extents.center.y,
extents.center.z)
result.setCenterPosition(move_vector)
# Move all the meshes of children so that toolhandles are shown in the correct place.
for node in result.getChildren():
if node.getMeshData():
extents = node.getMeshData().getExtents()
m = Matrix()
m.translate(-extents.center)
node.setMeshData(
node.getMeshData().getTransformed(m))
node.translate(extents.center)
return results
except OSError as e:
Logger.log("e", str(e))
Logger.log("w", "Unable to read file %s", file_name)
return None # unable to read
def readerRead(self, reader, file_name, **kwargs):
"""Try to read the mesh_data from a file using a specified MeshReader.
:param reader: the MeshReader to read the file with.
:param file_name: The name of the mesh to load.
:param kwargs: Keyword arguments.
Possible values are:
- Center: True if the model should be centered around (0,0,0), False if it should be loaded as-is. Defaults to True.
:returns: MeshData if it was able to read the file, None otherwise.
"""
try:
results = reader.read(file_name)
if results is not None:
if type(results) is not list:
results = [results]
for result in results:
if kwargs.get("center", True):
# If the result has a mesh and no children it needs to be centered
if result.getMeshData() and len(
result.getChildren()) == 0:
extents = result.getMeshData().getExtents()
move_vector = Vector(extents.center.x,
extents.center.y,
extents.center.z)
result.setCenterPosition(move_vector)
# Move all the meshes of children so that toolhandles are shown in the correct place.
for node in result.getChildren():
if node.getMeshData():
extents = node.getMeshData().getExtents()
m = Matrix()
m.translate(-extents.center)
node.setMeshData(
node.getMeshData().getTransformed(m))
node.translate(extents.center)
return results
except OSError as e:
Logger.logException("e", str(e))
Logger.log("w", "Unable to read file %s", file_name)
return None # unable to read
def render(self) -> None:
if not self._shader:
self._shader = OpenGL.getInstance().createShaderProgram(
os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"resources",
"shaders",
"coordinates.shader",
)
)
self._shader.setUniformValue("u_axisId", self._axis)
# Create a new batch to be rendered
batch = RenderBatch(self._shader)
# Fill up the batch with objects that can be sliced. `
for node in DepthFirstIterator(self._scene.getRoot()): # type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
if (
node.callDecoration("isSliceable")
and node.getMeshData()
and node.isVisible()
):
batch.addItem(node.getWorldTransformation(), node.getMeshData())
z_fight_distance = 0.2 # Distance between buildplate and disallowed area meshes to prevent z-fighting
buildplate_transform = Matrix()
buildplate_transform.setToIdentity()
buildplate_transform.translate(Vector(0, z_fight_distance, 0))
buildplate_mesh = CuraApplication.getInstance().getBuildVolume()._grid_mesh
batch.addItem(buildplate_transform, buildplate_mesh)
width, height = self.getSize()
self.bind()
self._gl.glViewport(0, 0, width, height)
self._gl.glClearColor(1.0, 1.0, 1.0, 0.0)
self._gl.glClear(self._gl.GL_COLOR_BUFFER_BIT | self._gl.GL_DEPTH_BUFFER_BIT)
batch.render(self._scene.getActiveCamera())
self.release()
def read(self, file_name, **kwargs):
try:
for id, reader in self._mesh_readers.items():
result = reader.read(file_name)
if result is not None:
if kwargs.get("center", True):
# If the result has a mesh and no children it needs to be centered
if result.getMeshData() and len(
result.getChildren()) == 0:
extents = result.getMeshData().getExtents()
move_vector = Vector()
move_vector.setX(extents.center.x)
move_vector.setY(
extents.center.y
) # Ensure that bottom is on 0 (above plate)
move_vector.setZ(extents.center.z)
result.setCenterPosition(move_vector)
if result.getMeshData().getExtents().bottom != 0:
result.translate(
Vector(
0, -result.getMeshData().getExtents().
bottom, 0))
# Move all the meshes of children so that toolhandles are shown in the correct place.
for node in result.getChildren():
if node.getMeshData():
extents = node.getMeshData().getExtents()
m = Matrix()
m.translate(-extents.center)
node.setMeshData(
node.getMeshData().getTransformed(m))
node.translate(extents.center)
return result
except OSError as e:
Logger.log("e", str(e))
Logger.log("w", "Unable to read file %s", file_name)
return None #unable to read
def test_translate(self):
matrix = Matrix()
matrix.translate(Vector(1, 1, 1))
assert matrix.getTranslation() == Vector(1, 1, 1)
matrix.translate(Vector(2, 3, 4))
assert matrix.getTranslation() == Vector(3, 4, 5)
def test_translate(self):
matrix = Matrix()
matrix.translate(Vector(1, 1, 1))
assert matrix.getTranslation() == Vector(1, 1, 1)
matrix.translate(Vector(2, 3, 4))
assert matrix.getTranslation() == Vector(3, 4, 5)
