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| How can I stitch a two- layered terrain? |
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| vsipola |
 Posted: Sun Nov 09, 2014 12:40 am Post subject: How can I stitch a two- layered terrain? |
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Joined: 08 Nov 2014
Posts: 2
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Hi everybody
I've created a zone and would like to continue from that by another. The seam between the new and the old zone gives me some trouble. The picture below shows the problem:
The right side of the image is created by adding two layers of similar procedural mountains on top of each other. I tried to continue the area by adding two similar mountain layers on the left side, too.
The terrain fits perfectly but for one location: the actual seam overshoots largely. The reason for that becomes obvious from this second picture:
Both of the layers on the left side try to fit themselves to the total height of the two layers on the right, instead of the total two layers on the left fitting themselves to the total on the right. Could I somehow prevent this?
Also, if I try to put on the left side a mountain that only has one layer, but has twice the range of the area on the right, I get exactly the same result as in the first picture.
I'm not sure whether this is just to my ignorance, a bug in the software or a feature request, but I'd sure like this to work.
Regards,
Ville
Edit:
Apparently the vertical bar was caused by one of the layers on the right side reaching to the left side. But after I removed that, I got an unclosed seam, that required manual stitching. Not perfect, either, but something that can be handled.
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| ALicu |
| Posted: Mon Nov 10, 2014 8:04 am Post subject: |
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Joined: 12 Feb 2007
Posts: 1330
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Hi,
For the terrain zones to not have gabs at the border you need to have the same heightmap layers assigned on both zones. If on one of the zones a layer is missing, then you will have gaps (as seen in your last screenshot).
The system will try to stitch the terrain by rising / lowering each zone individual layers at the border rows to match the neighbor's layer. If you add all layers one by one, but add them together on all zones, you should always have a continuous terrain. If you apply a procedural tool on a layer or on multiple layers, and on all zones at once, you should have a continuous terrain since the tool would generate a tile-able effect on all individual layers. If you apply the tool on one zone and then, with the same settings, on another zone, you should still have a continuous terrain. So don't know for sure what was the order of your operations that you've ended up with those seams. I believe that you had two heightmap layers on the first zone. You've applied the tool on both layers at once (both were marked as in use) and then on the second zone you had a single heightmap layer to which you've tried to apply the same tool. If this is the case, you also need two layers on the second zone and apply the tool on both as the tool will distribute its effect on all in-use layers.
If, for some reasons, you do have seams, make sure the same layers are assigned to all zones. Then you can use various brushes (e.g. heightmap clone, smudge) to remove the seams.
Kind Regards,
Adrian L. |
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| vsipola |
| Posted: Mon Nov 10, 2014 10:25 am Post subject: |
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Joined: 08 Nov 2014
Posts: 2
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Yes, that's the thing...
It proved smarter to start with an (overly) large area at once, apply the basic mountain generators to all of them at once, and then start adding details. This way there's no seams.
This adding and stitching -method will remain as a backup for the times that I fail to plan ahead long enough.
Thank you Adrian.
Regards,
Ville |
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