sky box lines?

ulao · Post by **ulao** » Mon Feb 16, 2009 3:48 am

Has anyone ran in to this..

I guess I could try a dome but I dont really know how to make one. Why would the engine have lines like that but not irredit?

hybrid · Post by **hybrid** » Mon Feb 16, 2009 8:34 am

Is this Irrlicht 1.5 or the SVN/trunk code? I've seen such lines, but not as strong. Didn't come to trace this down, but it seems like either wrong mipmapping or worng clamping.

ulao · Post by **ulao** » Tue Feb 17, 2009 1:15 am

I'm not sure what sets mipmapping or worng clamping, but this is in fact 1.5

JP · Post by JP » Tue Feb 17, 2009 8:25 am

I've got this issue when loading IrrEdit files... In IrrEdit the skybox is fine but when loaded into my app it has the lines on it. Changing the clamping in IrrEdit seems to have no effect at all, tried all the available clamps on all the materials and it still has the lines... I'm wondering whether those clamps get ignored or something when the .irr file is loaded or something... Or maybe mipmapping isn't turned off in the loader...

hybrid · Post by **hybrid** » Tue Feb 17, 2009 12:34 pm

mipmapping cannot be turned off in the loader. It is a texture creation parameter which is not serialized.

ulao · Post by **ulao** » Tue Feb 17, 2009 5:55 pm

JP wrote:I've got this issue when loading IrrEdit files... In IrrEdit the skybox is fine but when loaded into my app it has the lines on it. Changing the clamping in IrrEdit seems to have no effect at all, tried all the available clamps on all the materials and it still has the lines... I'm wondering whether those clamps get ignored or something when the .irr file is loaded or something... Or maybe mipmapping isn't turned off in the loader...

- Ok after a few test I see that is the case, only irredit loaded sky boxes have this.

Brainsaw · Post by **Brainsaw** » Wed Feb 18, 2009 6:30 am

I have seen this before with an old version of Irrlicht (1.3?), but only if I ran it with OpenGL. Does not appear with Direct3D

yvanvds · Post by **yvanvds** » Wed Jun 03, 2009 10:13 am

Is there any solotion to this problem yet? (apart from not using IrrEdit, i mean

hybrid · Post by **hybrid** » Wed Jun 03, 2009 4:56 pm

You need to disable mipmapping, or alter the textures in a way that mipmaps won't affect the textures. Unless you still have a version with a bug in the texture_wrap loading, but I doubt that there are any still left out there.

bitplane · Post by **bitplane** » Fri Aug 14, 2009 3:14 pm

If it were possible to disable mipmaps after loading, it would make sense to do this in the skybox node.

hybrid · Post by **hybrid** » Sun Aug 16, 2009 11:28 pm

We need to place the texture creation flags into the texture or node. Otherwise strange problems will keep occuring. A method to alter mipmapping during runtime might also be handy, but doesn't solve the root of this problem.