The callback PostTechOnFrameChanged(CENPyOlpFrameChangedOperator) is called from the kernel when the tool or base frame was been changed at the operation level.
It can be used to:
- get attribute values
- set attribute values
- output to the log
- access OlpController
- access SCV parser
- get the full path to the technology table file
- get newly changed frame name, index, type, matrix and world matrix
The callback may return a Boolean value. There is no need to return False, because the default value is False anyway:
- True: if it is necessary to perform an operation recompute (ENTERSTATE_STARTWITHRULEEVENTS) after the callback ends
- False: no recompute
The callback is defined in the %TechnologyName%.py file that is located in the scripts folder of the plugin.
[Example]
def PostTechOnFrameChanged(Operator):
attribGetter = Operator.GetAttribGetter()
attribSetter = Operator.GetAttribSetter()
olpController = Operator.GetController()
toolIndex = olpController.GetActiveToolFrameIndex()
baseIndex = olpController.GetActiveBaseFrameIndex()
csvParser = Operator.GetCsvParserOperator()
iRet = csvParser.LoadCsvFile(" ..\\TechTabs\\WeldingAttrib.csv")
filePath = Operator.GetTechTabFolder("WeldingAttrib.csv")
logging.LogInfo("TechTab path: " + str(filePath))
changedFrameName = Operator.GetChangedFrameName()
logging.LogInfo("Newly changed frame name: " + str(changedFrameName))
changedFrameIndex = Operator.GetChangedFrameIndex()
logging.LogInfo("Newly changed frame index: " + str(changedFrameIndex))
changedFrameType = Operator.GetChangedFrameType()
if changedFrameType == FRAMETYPE_BASE:
logging.LogInfo("Newly changed frame type: Base")
if changedFrameType == FRAMETYPE_TOOL:
logging.LogInfo("Newly changed frame type: Tool")
matrix = Operator.GetChangedFrameMatrix()
if matrix.IsValid():
logging.LogInfo("Matrix position: " + str(matrix.GetPosition().GetXYZ()))
logging.LogInfo("Matrix rotation: " + str(matrix.GetRotation()))
else:
logging.LogInfo("Matrix is not valid!")
worldMatrix = Operator.GetChangedFrameWorldMatrix()
if worldMatrix.IsValid():
logging.LogInfo("World matrix position: " + str(worldMatrix.GetPosition().GetXYZ()))
logging.LogInfo("World matrix rotation: " + str(worldMatrix.GetRotation()))
else:
logging.LogInfo("World matrix is not valid!")
# Set to True when a recompute is required
requestStartWithRuleEventsRecompute = True
return requestStartWithRuleEventsRecompute
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