Unverified Commit 139819dd authored by Kristin Berry's avatar Kristin Berry Committed by GitHub
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Update shadow documentation to mention when SPICE kernels are needed (#4335) 



* Update shadow documentationt to mention when SPICE kenrels are needed

* Update based on feedback

Co-authored-by: default avatarKristin Berry <kberry@gyro.wr.usgs.gov>
parent 654ee9d1

isis/src/base/apps/shadow/shadow.xml

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    <strong>User-Requirements</strong><br/>

      The user must supply an elevation model (DEM) and either an observation time or a cube

      with raw camera geometry (see 'spiceinit').<br/><br/>

      with raw camera geometry (see 'spiceinit'). If providing an observation time, the PCK and SPK SPICE kernels

      associated with the DEM's target must have been downloaded and be available on the user's machine in the "base" kernels area, or their file paths must be provided as values to the PCK and SPK user parameters.<br/><br/>



    <strong>Understanding the Algorithm</strong><br/>

    The 'shade' program's algorithm is called 'hillshade' in this algorithm description.