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Namespace: Autodesk.Revit.DB.Analysis Class: PathOfTravel

PathOfTravel.Create(View, XYZ, XYZ)

Method
Description:
Creates a new path of travel between two points.
Remarks:
InvalidOperationException is thrown if PathOfTravel cannot be created for the following conditions:
  • View has crop box active and crop box is split
  • View has crop box active and start or end point lies outside of the crop
  • View model outline area is larger than the current limit (2,000,000 sq.ft.)
  • View export contains too much geometry (more than 200,000 lines)
  • Start and end points are too close
Syntax 
public static PathOfTravel Create(
	View DBView,
	XYZ pathStart,
	XYZ pathEnd
)
Parameters
Parameter Type Description
DBView View The floor plan view to use when computing the shortest distance.
pathStart XYZ The start point of the path. The input Z coordinates are ignored and set to the view's level elevation.
pathEnd XYZ The end point of the path. The input Z coordinates are ignored and set to the view's level elevation.
Return Value
Type Description
PathOfTravel The newly created path of travel element, or if no path between the two points is found.
Exceptions
Exception Condition
ArgumentException The element "DBView" is in a family document or a document in in-place edit mode. -or- View is not a floor plan view.
ArgumentNullException A non-optional argument was null
InvalidOperationException The document containing DBView is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- This operation cannot be performed while the document is in edit mode. -or- The Path of Travel calculation service is not available -or- This functionality is not available in Revit LT.
ModificationForbiddenException The document containing DBView is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- The document containing DBView is being loaded, or is in the midst of another sensitive process.
ModificationOutsideTransactionException The document containing DBView has no open transaction.