geo trans
Contents: Description, Arguments, Usage, Examples, Sub-Functions, Related Functions, Source Supported Under Version: >1.00
Description Translate map coordinates (latitude and West positive longitude) to image coordinates (x,y) for a given image resolution, where (1,1) is the upper left corner of the image.
Arguments and Return Values Arguments: The latitude and longitude along with the image resolution. Return Value: The x and y position for the specified latitude and longitude
Usage Syntax: geo_trans(latitude, longitude, resolution [, center lon]) 'latitude' - A FLOAT latitude value 'longitude' - A FLOAT longitude value 'resolution' - The image resolution in pixels per degree 'center lon' - The center longitude of the image. Default is 0.
Examples dv> a = geo_trans( 54.55 , -90.48 , 8 ) 2x1x1 array of int, bsq format [8 bytes] 2164 284 dv> a = geo_trans( 54.55 , 90.48 , 8 , 180 ) 2x1x1 array of int, bsq format [8 bytes] 2157 284 |
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Recent Library Changes Created On: 02-15-2006 |