fixed problems with downloadIsisData, spiceinit, and missing Mars MOLA DEM file

[swoodwa]

I was unable to run "spiceinit" on a THEMIS IR image cube because the Mars shape model file it needed (molaMarsPlanetaryRadius0005.cub) was missing from my $ISISROOT/base/dems directory. I had the other 4 versions (...0001.cub, ...0002.cub, ...0003.cub, and ...0004.cub) but not number 5.

After much searching of the ISIS GitHub site, and much trial and error, I was eventually able to piece together how to obtain this file using the "downloadIsisData" script, but it seemed to require several modifications of the recommended commands and procedures, so I wanted to share my solution here in case it might help other people with similar issue(s).

BTW, for context, I'm running ISIS version 7.0.0 in MacOS 10.15.7 (Catalina) on a 2015 MacBook Pro (i7). In the following, I've preceded the actual commands I used with a "$":

$ thm2isis from=I03070002RDR.QUB to=I03070002RDR $ spiceinit from=I03070002RDR.cub web=yes (this command gave the following result and error messages): Group = Kernels NaifFrameCode = -53031 LeapSecond = $base/kernels/lsk/naif0012.tls TargetAttitudeShape = $base/kernels/pck/pck00009.tpc TargetPosition = (Table, $base/kernels/spk/de430.bsp, $base/kernels/spk/mar097.bsp) InstrumentPointing = (Table, $odyssey/kernels/ck/m01_sc_map3.bc, $odyssey/kernels/fk/m01_v29.tf) Instrument = Null SpacecraftClock = $odyssey/kernels/sclk/ORB1_SCLKSCET.00290.tsc InstrumentPosition = (Table, $odyssey/kernels/spk/m01_map3.bsp) InstrumentAddendum = $odyssey/kernels/iak/themisAddendum003.ti ShapeModel = $base/dems/molaMarsPlanetaryRadius0005.cub InstrumentPositionQuality = Reconstructed InstrumentPointingQuality = Reconstructed CameraVersion = 2 End_Group ERROR The SPICE server returned incompatible SPICE data. ERROR Unable to initialize camera model in Camera Factory. PROGRAMMER ERROR Unable to create a shape model from given target and pvl. I/O ERROR Invalid shape model file [$base/dems/molaMarsPlanetaryRadius0005.cub] in Kernels group. ERROR The given shape model file is not a valid ISIS DEM. Unable to open as an ISIS cube. I/O ERROR Unable to open [/Users/stephen/miniconda3/envs/isis/data/base/dems/molaMarsPlanetaryRadius0005.cub]. ERROR The given shape model file is not a valid NAIF DSK file. Unable to construct a NAIF DSK shape model. USER ERROR NAIF DSK file [$base/dems/molaMarsPlanetaryRadius0005.cub] does not exist.

I searched the ISIS3/Issues on GitHub about this problem and it seemed that the way to get this missing file was to use a python script called "downloadIsisData" and do a partial download of the ISIS base data. But when I tried running that script I discovered it didn't exist in my ISIS installation (was supposed to be in $ISISROOT/scripts). More searching re this problem led me to these pages:

https://github.com/DOI-USGS/ISIS3/issues/5027 https://github.com/USGS-Astrogeology/ISIS3/#how-do-i-access-the-isisdata-download-script-with-isis-700-or-earlier

But I ended up using modified versions of the commands given on those pages, as shown below. I also had to create a "config" directory in $ISISROOT since it didn't exist and apparently that's where "downloadIsisData.py" looks for the "rclone.conf" file. So here's what I did:

$ conda install -c conda-forge rclone

$ curl -LJ0 https://github.com/USGS-Astrogeology/ISIS3/raw/dev/isis/scripts/downloadIsisData -o $ISISROOT/scripts/downloadIsisData.py

$ mkdir $ISISROOT/config

$ curl -LJ0 https://github.com/USGS-Astrogeology/ISIS3/raw/dev/isis/config/rclone.conf -o $ISISROOT/config/rclone.conf

$ python downloadIsisData.py base $ISISDATA --config $ISISROOT/config/rclone.conf --include="mola*0005.cub"

This command successfully downloaded the missing file and then "spiceinit" worked on my THEMIS cube.

[Kelvinrr]

You are correct that that would be the way you can mimic the install directory. From the instructions, you can override the location of the config with --config <path>. Are you saying that you that this option didn't work? Or that we should amend the docs to include this method of installing the config into an existing ISIS install?

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