I have a script that in its first step is supposed to transform a user selected raster to WGS84.
What I'd like to implement in the tool is a string parameter whose value list gets populated with all available geographic transformations from which the user can then select the transformation he desires. Determining the available transformations is easy enough (as descriped here: ListTransformations—Help | ArcGIS Desktop) but I don't know how to use the resulting list as a value list for a parameter in my tool.
It's essentially the same as described here:
It's been 9 years since that post and I'm hoping that there's now maybe a way to do this.