terrain tesselation?
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coops
Sep 13, 2012, 8:54:10 PM9/13/12
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Hi,
I'm investigating the capabilities of webglearth. Is there a way to improve the tesselation for terrain? The terrain video (http://vimeo.com/29605292) seems to be giving better results than I get.
In earth.js when I enable terrain (we.scene.TERRAIN = true) and change to wire output (uncommenting the gl.LINES call) I notice the tesselation is quite coarse. I tried changing values in the this.segPlanes_ set up by setting subdiv values to 16 instead of 8. This did make the tesselation finer but I start getting a lot of artefacts if e.g. I set it to 32. There's also a lot of unnecessary tesselation off in the distance. I also looked at TERRAIN_ZOOM_DIFFERENCE but this seems relating to textures where my problem appears to be the limited tesselation.
Thanks,
Chris
I'm investigating the capabilities of webglearth. Is there a way to improve the tesselation for terrain? The terrain video (http://vimeo.com/29605292) seems to be giving better results than I get.
In earth.js when I enable terrain (we.scene.TERRAIN = true) and change to wire output (uncommenting the gl.LINES call) I notice the tesselation is quite coarse. I tried changing values in the this.segPlanes_ set up by setting subdiv values to 16 instead of 8. This did make the tesselation finer but I start getting a lot of artefacts if e.g. I set it to 32. There's also a lot of unnecessary tesselation off in the distance. I also looked at TERRAIN_ZOOM_DIFFERENCE but this seems relating to textures where my problem appears to be the limited tesselation.
Thanks,
Chris
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