filter
Used to filter (delete) points that are too close, closer than the tolerance specified by the user, or duplicate points. This command records the deleted points as dudded out points (itp=21) but does not remove them from the point list.
filter / ifirst, ilast, istride / [tolerance]
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Parameters
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Type/Value
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Description/Default
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ifirst, ilast, istride
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integer
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Point sequence number. At least one point must be specified in order for this command to work properly.
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tolerance
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real
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Default <= 1.e-16. Specifies how close the points can be.
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