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decimate(display) Filter decimate(display)

NAME

outline_filter - create a wireframe box surrounding input display data

DESCRIPTION

Outline_filter is a filter that creates a wireframe box (outline) around its input data. Outline_filter takes as input a display_data object (either filter or data object) and creates as output a display_data object. Outline_filter differs from the data_outline object that creates an outline around its input data_set.

SUPERCLASS

display_filter

INSTANCE VARIABLES

MESSAGES

generate_data! causes outline_filter to process its input and generate an output display_data.

EXAMPLE

/* * Script creates display data and draws outline around it. */ /* * Create display data and filter network */ display_data new: dd points=(-.5,-.5,-.5,.5,.5,.5,1,1,1) lines=(3,1,2,3) scalars=(.5,1,2) vectors=(1,0,0,0,1,0,0,0,1) ; outline_filter new: of data_in= dd ; display_all new: da data_in= of range=(0,2) ; actor new: an_actor modeller=da ; /* * Draw the picture */ renderer new: main_renderer actors= [actor instances?] render! ;