Export TIF to PNG that display elevation as RGB color

[Thanh_NgocDao]

I'm currently want write an Arcpy script to achieve the elevation map from TIF, look like this

Currently i have the output of Pix4D that contains: DSM, DTM, Orthomosaic, Tiles etc.. But i don't know where to start. I really appreciate all of your helps. Have a nice day

[DanPatterson_Retired]

Well if you have what you want as shown... perhaps you can either use the existing functionality built into arcmap 

ExportToPNG—Help | ArcGIS Desktop 

and look at the code snippet at the bottom should you wish to refine and/or automate the process

[Thanh_NgocDao]

Well in fact, the picture above is the result that i want to achieve but i haven't known how to do yet, i just have the DSM, DTM, orthomosaic which are the output from Pix4d after processing my images capturing from my drone. You have any idea, Mr.Patterson ?

[DanPatterson_Retired]

Confusion on my part... I just thought you want to convert that output to png, but you haven't gotten that far yet... sorry.

[Thanh_NgocDao]

No problem, thank you very much, Mr.Patterson