timflow.steady.trace.timtracelines
==================================

.. py:function:: timflow.steady.trace.timtracelines(ml, xstart, ystart, zstart, hstepmax, vstepfrac=0.2, tmax=1000000000000.0, nstepmax=100, silent='.', win=None, *, metadata=False)

   
   Function to trace multiple pathlines.

   :param ml: model to which the element is added
   :type ml: Model object
   :param xstart: x-coordinates of starting locations
   :type xstart: array
   :param ystart: y-coordinates of starting locations
   :type ystart: array
   :param zstart: z-coordinates of starting locations
   :type zstart: array
   :param hstepmax: maximum horizontal step size [L]
   :type hstepmax: scalar
   :param vstepfrac: maximum vertical step as fraction of layer thickness
   :type vstepfrac: scalar
   :param tmax: maximum travel time
   :type tmax: scalar
   :param nstepmax: maximum number of steps
   :type nstepmax: int
   :param silent: if '.', prints dot upon completion of each traceline
   :type silent: string
   :param win: list with [xmin, xmax, ymin, ymax]
   :type win: list
   :param metadata: if False, return list of xyzt arrays
                    if True, return list of result dictionaries
   :type metadata: boolean















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