NAME¶
vpTracePixel - print a trace of the voxels composited into a pixel
SYNOPSIS¶
#include <volpack.h>
vpResult
vpTracePixel(vpc,
trace_u, trace_v )
-
- vpContext *vpc;
-
- int trace_u, trace_v;
ARGUMENTS¶
- vpc
- VolPack context from vpCreateContext.
- trace_u, trace_v
- Intermediate image coordinates of the pixel to trace.
DESCRIPTION¶
This routine is for debugging the rendering algorithms. If
(trace_u,
trace_v) is a valid set of coordinates in the intermediate image then a
printout appears during rendering showing a trace of all of the voxels that
contribute to the pixel. The intermediate image is not the same as the final
image; see vpGetvpSetImage(3).
The VolPack library must be compiled with the -DDEBUG compiler option for this
function to have any effect.
SEE ALSO¶
VolPack(3)