3D_Scalar Unexpected Error

[williams13]

Plot our test variable "clt" with 3D_Scalar "default". The plot looks fine. However, if you select the bar at the bottom and try to move the slider to the left, you will see the following unexpected error:

Traceback (most recent call last):
File "/Users/williams13/work/uvcdata/build_uvcdat/install/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/DV3D/ButtonBarWidget.py", line 736, in processInteractionEvent
config_function.processInteractionEvent( [ "UpdateConfig", self.getSliderIndex(obj), srep, event ] )
File "/Users/williams13/work/uvcdata/build_uvcdat/install/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/DV3D/ConfigurationFunctions.py", line 793, in processInteractionEvent
self.interactionHandler( args, self )
File "/Users/williams13/work/uvcdata/build_uvcdat/install/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/DV3D/RectilinearGridPlot.py", line 412, in processSlicingCommand
slicePosition.setValue( 'relative', plane_widget.ConvertPositionToRelative( value ) )
File "/Users/williams13/work/uvcdata/build_uvcdat/install/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/DV3D/ImagePlaneWidget.py", line 1001, in ConvertPositionToRelative
rpos = ( position - bounds[0] ) / ( bounds[1] - bounds[0] )
ZeroDivisionError: float division by zero