EC SELECT - Extract Connected Clusters - Selection

(5/29/13)

PURPOSE

Reads a SPIDER document file for mapping an image file into a new image file. The document file contains X, Y, and Z locations of a voxel in the image file. All voxels in the file having the cluster number found at this location are transferred into a new file. All other voxels are set to zero.   Example.

SEE ALSO

EC CL [Extract Connected Clusters]
EC CLOSE [Extract Connected Clusters - merge close clusters]
EC FILTER [Extract Connected Clusters - Filter]
EC STAT [Extract Connected Clusters - Statistics]

USAGE

.OPERATION: EC SELECT

.LOCATION DOC FILE: DOC001
[Name of document file contining voxel locations. This file may be edited output from the WEB "PIXEL" operation or from some other source such as 'EC STAT'. The document file needs 3 register columns:
Col. Role Contents
1 Key
2 # of Regs. 3
3 Reg. X Center-of-mass
4 Reg. Y Center-of-mass
5 Reg. Z Center-of-mass

.CLUSTER INPUT FILE: VVV001
[Usually a cluster file produced by previous run of 'EC CL'.]

.CLUSTER OUTPUT FILE: VVV002
[Contains remapped cluster numbers.]

NOTES

  1. Document file should contain X, Y, and Z locations in the first three registers. The index key is not important.

SUBROUTINES

MAPDOC, MAPIM

CALLER

UTIL6