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jvs:fscan:manual:chapter2:expression:dilate [2012/04/22 16:22] voyvodic |
jvs:fscan:manual:chapter2:expression:dilate [2023/02/23 18:43] (current) |
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**fScan Reference Manual, Chapter 2 (CmdLineOptions: | **fScan Reference Manual, Chapter 2 (CmdLineOptions: | ||
- | ===== Dilate -- Dilate the edges of an intensity region in a 3D image volume | + | ===== Dilate -- Expand |
| | ||
- | If MASKBITS is non-zero, | + | * VAL - " |
+ | * MASKBITS | ||
+ | * NEWVAL | ||
+ | * If NEWVAL is negative and MASKBITS is zero, then neighboring | ||
- | If NEWVAL is negative and MASKBITS is zero, then the input data voxel value will be used when dilating into neighboring voxels. | + | * FLAG: |
+ | * 0 - (default) | ||
+ | * 2 - Erode/ | ||
+ | * 4 - Stop on dark edge (voxel darker than (100-VAL)% of inside neighbors (Needs MASKBITS set) | ||
+ | * 8 - Stop on bright edge (brighter than (100+VAL)% of inside neighbors | ||
+ | * 16 - Dilate all non-zero values except VAL (useful for filling in around VAL areas) | ||
+ | * NMATCH - number of adjacent voxels matching criterion needed for dilation (default=1) | ||
+ | * NNEIGHBORS - number of neighboring voxels to consider (default=26 if 3D, 8 if 2D) | ||
+ | |||
+ | If MASKBITS is non-zero, it is used to mask both the input data values and NEWVAL; only those data bits are considered during comparisons and only the NEWVAL bits are changed during dilation. | ||
**See Also:**\\ | **See Also:**\\ | ||
[[jvs: | [[jvs: | ||
- | [[jvs: | + | [[jvs: |
[[jvs: | [[jvs: |