write python code to generate terrain json file

[jonmatthis]

Remember - json's are just Python dictionaries

... which is to say, you just need to build your terrain out as a dict and then save that out to a json using json.dumps or something:

https://www.geeksforgeeks.org/how-to-convert-python-dictionary-to-json/

[trentwirth]

deferring this until the next iteration of the ARGP...