def get_center(self, context):
location = (0, 0, 0)
matrix = None
try:
# we must now pass the origin node/tree in 2.80 ( this code does not interpret that yet )
node_group = bpy.data.node_groups[self.idtree]
node = node_group.nodes[self.idname]
print('node:', node)
inputs = node.inputs
if node.bl_idname in {'SvViewerDrawMk4'}:
matrix_socket = inputs['Matrix']
vertex_socket = inputs['Vertices']
# from this point the function is generic.
vertex_links = vertex_socket.is_linked
matrix_links = matrix_socket.is_linked
if matrix_links:
matrix = get_matrix(matrix_socket)
if vertex_links:
vertex_in_data = vertex_socket.sv_get()
verts = vertex_in_data[0]
location = geom_utils.mean(
[verts[idx] for idx in range(0, len(verts), 3)])
if matrix:
if not vertex_links:
location = Matrix(matrix).to_translation()[:]
else:
location = (Matrix(matrix) @ Vector(location))[:]
else:
self.report({'INFO'}, 'viewer has no get_center function')
except Exception as err:
self.report({'INFO'}, 'no active node found')
sys.stderr.write('ERROR: %s\n' % str(err))
print(sys.exc_info()[-1].tb_frame.f_code)
print('Error on line {}'.format(sys.exc_info()[-1].tb_lineno))
return location
def get_center(self, context):
location = (0, 0, 0)
matrix = None
try:
node = None
if hasattr(context, 'node'):
node = context.node
if not node:
node = context.active_node
inputs = node.inputs
if node.bl_idname in {'ViewerNode2'}:
matrix_socket = inputs['matrix']
vertex_socket = inputs['vertices']
# from this point the function is generic.
vertex_links = vertex_socket.is_linked
matrix_links = matrix_socket.is_linked
if matrix_links:
matrix = get_matrix(matrix_socket)
if vertex_links:
vertex_in_data = vertex_socket.sv_get()
verts = vertex_in_data[0]
location = geom_utils.mean(
[verts[idx] for idx in range(0, len(verts), 3)])
if matrix:
if not vertex_links:
location = Matrix(matrix).to_translation()[:]
else:
location = (Matrix(matrix) @ Vector(location))[:]
else:
self.report({'INFO'}, 'viewer has no get_center function')
except:
self.report({'INFO'}, 'no active node found')
return location
def get_center(self, context):
location = (0, 0, 0)
matrix = None
try:
node = None
if hasattr(context, 'node'):
node = context.node
if not node:
node = context.active_node
inputs = node.inputs
if node.bl_idname in {'ViewerNode2'}:
matrix_socket = inputs['matrix']
vertex_socket = inputs['vertices']
# from this point the function is generic.
vertex_links = vertex_socket.is_linked
matrix_links = matrix_socket.is_linked
if matrix_links:
matrix = get_matrix(matrix_socket)
if vertex_links:
vertex_in_data = vertex_socket.sv_get()
verts = vertex_in_data[0]
location = geom_utils.mean([verts[idx] for idx in range(0, len(verts), 3)])
if matrix:
if not vertex_links:
location = Matrix(matrix).to_translation()[:]
else:
location = (Matrix(matrix) * Vector(location))[:]
else:
self.report({'INFO'}, 'viewer has no get_center function')
except:
self.report({'INFO'}, 'no active node found')
return location