List of Routines By Functionality | MISR Toolkit: Main Page
-Abstract
MTK_TRANSFORM_COORDINATES Transforms latitude/longitude coordinates into line/sample coordinates
-Copyright
Copyright (2013), California Institute of Technology.
U.S. Government sponsorship acknowledged.
-I/O
Given:
srcbuf Source data buffer
linebuf Line data buffer
samplebuf Sample data buffer
the call:
status = MTK_TRANSFORM_COORDINATES( mapinfo, latbuf, latbuf, linebuf, samplebuf )
returns:
status 0 on success; otherwise failure
resampbuf Resampled data buffer
-Examples
;; Set up input parameters
;;
filename = '../Mtk_testdata/in/MISR_AM1_AGP_P039_F01_24.hdf'
gridname = 'Standard'
fieldname = 'AveSceneElev'
path = 39
start_block = 50
end_block = 52
ulc_lat_dd = 51
ulc_lon_dd = -114
lrc_lat_dd = 46
lrc_lon_dd = -106
lat_cellsize_dd = 0.01
lon_cellsize_dd = 0.01
status = MTK_SETREGION_BY_PATH_BLOCKRANGE( path, start_block, end_block, region )
status = MTK_READDATA( filename, gridname, fieldname, region, srcbuf, mapinfo )
status = MTK_CREATE_GEOGRID( ulc_lat_dd, ulc_lon_dd, lrc_lat_dd, lrc_lon_dd, lat_cellsize_dd, lon_cellsize_dd , latbuf, lonbuf )
;;
;; The call
;;
status = MTK_TRANSFORM_COORDINATES( mapinfo, latbuf, latbuf, linebuf, samplebuf )
;;
;; Output...
;;
print, '================================================='
help, status, samplebuf
IDL outputs:
STATUS LONG = 0
SAMPLEBUF FLOAT = Array[801, 501]
-Particulars
None.
-Required Reading
For important details concerning this module's function, please refer to
the MTK routine MtkTransformCoordinates.c.
-Version
-IDL-MTK Version 1.2.4