gen_vx_mask wtih shape files?

[benjamin-cash]

Following up on the tutorial session, I don't see an example of using a shape file to generate a mask in the online material. Could someone post a sample command here?

[j-opatz]

Hello,

And thank you for your question. I wanted to follow up with this today since it's still fresh from the tutorial. To read in a shapefile, you would use a command similar to this:

gen_vx_mask ${GRID_FILE} ${SHP_FILE}.shp ${MASK_NAME}.nc -type shape -shapeno ${REC} -name ${VAR_NAME} -v 3

Stepping through this command, the ${GRID_FILE} is the grid that your ${SHP_FILE}.shp will be mapped to. ${MASK_NAME}.nc is the filename that you'll write the resulting grid out to, and using the -type shape flag allows all of this to be possible. the -shapeno flag will be used to access the ${SHP_FILE}.shp and extract the ${REC} record for mask creation (make sure you know which entry in the shapefile you're looking for!). The -name flag is optional, and sets the mask name inside the ${MASK_NAME}.nc file as ${VAR_NAME}. The -v flag is also optional and will control the verbosity of the output for the tool.

I hope that helps you for an example!

[benjamin-cash]

Perfect, thanks!