Difference between revisions of "Houdini learning"
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| Line 17: | Line 17: | ||
if (volumesample(1,"surface",@P)>0)@density=0; | if (volumesample(1,"surface",@P)>0)@density=0; | ||
| + | |||
| + | </pre> | ||
| + | |||
| + | === Get bound & centroid === | ||
| + | <pre> | ||
| + | // In a null object | ||
| + | |||
| + | bbox(opinputpath('.',0),D_XSIZE) | ||
| + | bbox(opinputpath('.',0),D_YSIZE) | ||
| + | bbox(opinputpath('.',0),D_ZSIZE) | ||
| + | |||
| + | centroid(opinputpath('.',0),D_X) | ||
| + | centroid(opinputpath('.',0),D_Y) | ||
| + | centroid(opinputpath('.',0),D_Z) | ||
</pre> | </pre> | ||
Revision as of 20:34, 10 March 2020
Contents
Houdini learning
Increase Volume Density
// In a volumewrangle @density*=10;
Substract any VDB by another VDB
// In a volumewrangle if (volumesample(1,"surface",@P)<0)@density=0; //inverse: if (volumesample(1,"surface",@P)>0)@density=0;
Get bound & centroid
// In a null object
bbox(opinputpath('.',0),D_XSIZE)
bbox(opinputpath('.',0),D_YSIZE)
bbox(opinputpath('.',0),D_ZSIZE)
centroid(opinputpath('.',0),D_X)
centroid(opinputpath('.',0),D_Y)
centroid(opinputpath('.',0),D_Z)
