Trim map data exceeding projection limits


[ymat,xmat,trimpts] = trimdata(ymat,ylim,xmat,xlim,'object')


[ymat,xmat,trimpts] = trimdata(ymat,ylim,xmat,xlim,'object') identifies points in map data that exceed projection limits. The projection limits are defined by the lower and upper inputs. The particular object to be trimmed is identified by the 'object' input.

Allowable object strings are

  • 'surface' for trimming graticules

  • 'light' for trimming lights,

  • 'line' for trimming lines

  • 'patch' for trimming patches

  • 'text' for trimming text object location points

  • 'none' to skip all trimming operations

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