Name

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  MGH_POLYFILLG

Description

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    Given a 2-D polygon and a rectangular grid, this function returns
    an array indicating the fraction (optionally the area) of each
    pixel inside the polygon.

Calling Sequence

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    result = mgh_polyfillg(poly)

Positional Parameters

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  poly (input, numeric [2,n] array)
    The polygon

Keyword Parameters

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    XOUT, YOUT (input, 1-D or 2-D numeric arrays)
      Vertex positions for the grid.

Return Value

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    The function returns a 2D array representing the fraction
    (optionally the area) of overlap between each pixel and the polygon.

Modification History

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    Mark Hadfield, 2002-08:
      Written