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USGS

ISIS Application Documentation

dsk2isis

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Converts NAIF DSK plate model to ISIS format

Overview Parameters

Description

This application will convert a NAIF DSK plate model to an ISIS cube. Users must provide a valid map file to use for allocation of the ISIS cube. The scale and type of projection determine the size of the output cube.

Categories

History

Kris Becker2014-02-19 Original Version
Jeannie Backer2015-03-08 Wrote tests. Added application to ISIS trunk. References #2035
Kris Becker2015-03-11 Process data tiles instead of a pixel at a time; Test for valid output map coordinate at every map pixel. References #2035
Kaitlyn Lee2018-03-10 Changed the category to Import and Export. Fixes #5188.
U.S. Department of the Interior | U.S. Geological Survey
ISIS | Privacy & Disclaimers | Astrogeology Research Program
To contact us, please post comments and questions on the USGS Astrogeology Discussion Board
To report a bug, or suggest a feature go to: ISIS Github
File Modified: 02/21/2025 19:28:10
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Files: FROM

Description

This parameter provides the name of the NAIF DSK file to convert to ISIS format. It is assumed to be in body fixed coordinates from which intersections for each output map grid point will be computed using NAIF's DSK toolkit.

Type filename
File Mode input
Filter *.bds
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Files: MAP

Description

This paramter provides the name of a file containing a valid map projection defintion. One can use the ISIS maptemplate application to create a map template.

Type filename
File Mode input
Filter *.map
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Files: TO

Description

Name of the output ISIS file created by this application containing the rendering of the DSK DEM into and ISIS compatible DEM for use in the ISIS system.

Type cube
File Mode output
Pixel Type real
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Files: METHOD

Description

This parameter provides two different methods to compute the output radius value for a given latitude, longitude map grid point.

Type string
Default RAY
Option List:
Option Brief Description
RAY Ray intersection from image pixel location to DEM Calculates an intercept location on the (irregularly shaped) body from the observer point (i.e., image pixel location) and look (or ray) direction
GRID Calculate using surface point latitude, longitude grid point The radius value of the DEM is determined at the intercept point of the triaxial ellipsoid from the center of the body. This method extends the surface (x, y, z) body fixed coordinate of the ellisoid by extending the vector by a factor of 1.5. This creates the obsever point. The direction vector is then the negation of the observer point. From this, a DEM surface intercept point is determined.
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