Yes, this is it.
What I've done is just a matter of making a few textures, using a few layers with transparency and finding the right angle. A lot like you but a lot less efficient.
I'm eager to test your templates. I might be able to finish my terrain pcx with them.
From the looks of it, you may not need to use any transparency. Pasting in the one type of terrain into the template, and the other... and it will stitch them together for you, with the 2nd terrain type always being the overlay over the first. Of course, you could set the opacity of either terrain type to make it more transparent on the appropriate layers so it should work with no problems.
So what you would do, is just take your texture and pattern it to a large size, then put it in the template and run the action. It is set up so that all tiles will match together in the end result (or should, if one of them do not, I can adjust the template accordingly). I'm not sure it will work perfectly for graphics like builidings, etc... but I would have to test.
Blue Monkey said:
The discussion has gone little past the original question, but GIMP can open PSP files. I guess that's what you're referring to as a template. It can also work with layers, including transparencies. So there really should not be a need to make 2 versions of the graphics files. I don't know about the programmed actions, however. I have always used cut & paste.
If GIMP can open PSP files, then that is terrific, I can just make a PSP file for both. For programmed actions, GIMP needs a plugin I believe. Paint Shop Pro has automating scripts (actions) as well... from a quick google search, so that will be no problem.
In essence, the programmed actions do the cut & paste for you, so although it may not be necessary to run them, it will do in 5 minutes what would otherwise take hours or even days.
I am halfway done with the first XTGC.pcx action sequence, and it works perfect so far. It takes the new Tundra and Grassland graphics that have been put into it (the Tundra and Grassland layers), and C&P's the correct tiles into a TEMP XTGC.PCX file. Once done the TEMP PCX file will perform a terrain blending operation between the tundra and grassland edges, index the file... and your done. Then you can save the file as XTGC.pcx (it will not do this, because automated saving can sometimes cause problems, as it may overwrite a file, better to let the user do it).
The sequence of actions can be modified at any time by the user... and each tile has a selection saved as well.. which can be modified to the user's liking. Individual overlays can also be added by putting in an image into one or more of the tiles. A map of which layer is where is included in the background layer, as well as a isometric tile grid.
Here is example of what user would have to do in Photoshop:
the layer labeled '1st' is the Tundra. the layer labeled '2nd' is the Grassland (in that order according to the order of XTGC.pcx (1 Tundra, 2 Grassland, Coast). User would paste the terrain graphics into these layers.
Then the user would hit the play button circles in red. 5 Minutes later when all the actions are done (a few can be seen in the Actions tab), then user saves the file and is done. A completely unique and brand new terrain has just been born into the Civ3 world
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In the layers list, each XTGC layer (00,01,02, and so on), is the ultimate overlay, so anything placed here will be placed on top of the terrain automatically. This is where the Coasts and Shore graphics are, but anything else can be added as well.
In the actions list, actions can be added or modified, of course the list is incredibly long so doing so is at user's discretion. Most circumstance would not require any modification.
Tom