Polygon
Source file: filter-by-polygon.htm
Use Filter by polygon to filter scan
data specified by a polygon and retain points inside or outside the polygon.
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Select data to be filtered.
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Create or select a polygon to use - otherwise create a polygon region from within the Filter by polygon function.
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On the Position and Filter ribbon tab, go to the Filter group. From the Filters drop-down list select
Polygon.
- Drag the polygon into the Polygon field, otherwise create a polygon region from within the Filter by polygon function using By points or By polygon. The projected polygon boundary is displayed in grey.
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Click Limit extruded polygon between two points to limit the height and depth of the filter.
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Select Keep points Outside to keep points outside the polygon region OR select Keep points Inside to keep the points inside the polygon region.
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Select the required Filter combination.
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Click OK or Apply.
Select the data to be filtered & define the polygon region.
Select to keep data inside or outside the polygon.
Final data resulting from filter.
Tip: You can redisplay the points
hidden by the filter using the Show All option. See Show All.