findpolecross - Find the line numbers where the scene crosses the poles, or the maximum and minimum line number if it doesn't cross the poles

SYNTAX

FUNCTION findpolecross(maxline, minline, model)

    long	 *maxline;
    long	 *minline;
    struct MODEL *model;

PARAMETERS

maxline (long *, output)

The line number of the maximum latitude.

minline (long *, output)

The line number of the minimum latitude.

model (struct MODEL *, input)

Model and orbital information.

DESCRIPTION

Find the line numbers of the maximum and minimum latitude in the image. If the image crosses the South Pole, minline will be set to the line at which the image crosses the pole and maxline will be the northernmost line (either the first or last line of the image).

RETURN VALUE

findpolecross() has no return value.