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hedgehog(display) Display hedgehog(display)

NAME

hedgehog - generate a directed line from each point along the vector of size vector magnitude times scale_factor.

DESCRIPTION

The hedgehog object takes as input a display_data object that contains at a minimum points and vectors. Lines are created at each point of length vector magnitude times scale factor. Any scalar data in the data_in is copied to the data out so that both points of the line have the same scalar value.

SUPERCLASS

display_filter

INSTANCE VARIABLES

scale_factor

MESSAGES

scale_factor=unknown command: wf2 value set the value of the scale_factor.

scale_factor? get the value of the scale_factor.

EXAMPLE

data_geometry new: case1_geo data_in=case1_gridset01 extent=(15,15,1,18,1,16) ; hedgehog new: hhog scale_factor=2 data_in=case1_geo ; display_all new: draw range=(.01,.03) data_in=hhog ;