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son ppg [inc] | [nx ny] | [long] [all | four] [tri] [eig] [eigone] [low] [hi] [dob] [auto] [count] [mrf] [fast] [cps] [cpr] [listlst] |
Description
Specialized command for gridding sonar data or large point sets. The son without the ppg option is covered by the command grp .
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Check points towards surface in surfacename to get the difference between points and surface. Standard deviation and mean is calculated and saved in [gvar standev] and [gvar mean]. The A standard deviation curve data set is generated in activeworkspace standev.
cpr surfacename [def factor | \[lovalue] [hivalue] ]
Check points towards surface in surfacename to get the difference between points and surface. Remove points outside a low and high value which can be factor * standard_deviation using the def argument or directly specified by values lovalue hivalue.The remaining points are left in active.
listlst
Will list the current parameters used in sonar spiral sort gridding.
Examples
Ex.1: Snap gridding of points
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