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Old 10-14-2007, 04:06 PM   #1
Terrain editing: elevation resetting when painted on
Hi all,

I'm having the following problem with the terrain editor. Here's what often happens:

First I set up a simple flat heightmap in the terrains-tab, move to the next tab to define a few texture layers, and then proceed to painting the hills and valleys. I save often, and at some point I get the eventual crash. Accept, restart UnrealEd, reload map, go back to terrain editor. Terrain looks OK at this point. Now, when I continue to alter the elevation via painting, the area being painted on resets to some earlier state as I move the mouse. It's not the whole terrain that "resets", just the brush area. After doing the damage, the brush applies its desired effect, while simultaneously resetting more areas it hasn't yet reset. This prevents me from fine-tuning or extending any areas, because if the brush touches a previously completed area, it ruins it.

Since saving the map the normal way doesn't seem to save the terrain changes reliably, what should I try instead?

Thanks for your time. Other than this major annoyance, the tool is an excellent feature in the editor, so I would like to hear about a solution.
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Old 10-15-2007, 12:26 PM   #2

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Re: Terrain editing: elevation resetting when painted on
Where do you have the hight maps? Sounds like you may not be putting them in the mylevel package(the package that gets saved inside the map file). If you have them in a external package you have to save that package manually.
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Old 10-15-2007, 02:39 PM   #3
Re: Terrain editing: elevation resetting when painted on
Yup, you nailed it, thanks.

After searching a bit, I found some posts recommending the Mylevel-package, so I've moved most textures in it as well. Now the terrain heightmap is stored with the normal save function, and all textures are embedded into the map file. I just didn't realize Mylevel is a special package, so instead, I was using a custom stratch-made package that better suited to my level name-wise... anyway, all fixed now and I'm using Mylevel instead.

Of course, the same thing applies to the texture layer alpha maps, and decoration density maps... it's good to know.
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