MapWinGeoProc:ClipPolySFWithPoly

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ClipPolySFWithPoly

Summary

Functions for clipping a polygon shapefile with an outside polygon.

Functions

ClipPolygonSFWithPolygon This function has 2 overloads.
ClipLineSFWithMultiPartPolygon This function has 2 overloads.
Fast_ClipLineSFWithPolygon This function has 2 overloads.
Fast_ProcessPartInAndOutPoints Divides a line containing both inside and outside polygon points into multiple 2pt segments.
Calculates intersecetions and finds the portions of the line that are within the polygon.
Accurate_ClipLineSFWithPolygon This function has 2 overloads.
ProcessAllInsidePoints For lines where every point lies within the polygon, this function will
find if a 2pt segment crosses outside of the polygon and then adds only the
internal segments to the result file.
ProcessAllOutsidePoints For lines where every point lies outside the polygon, this function will
find if any 2pt segment crosses within the polygon and then adds the
internal segments to the result file.
ProcessPartInAndOutPoints For lines where part of the line lies within the polygon
and part of it lies outside, this function will save only
the inside portions and intersection points to the result shapefile.

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This page has been accessed 2,230 times. This page was last modified on 26 June 2006, at 19:07.