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Nov 25 2006, 15:11
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#2
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New Member Group: Members Posts: 4 Joined: 17-November 06 Member No.: 216 |
u can get it here... normal maps plugin for gimp
its very simple to use, but the results can be very tricky...all depends on the image ur starting from. the best option is start from a greyscale bump map image . if u start from a color image, u will have a normal map, but it wont have much "realism". it will calculate the normals anyway, but what's suposed to be "in" can show up "out" and viceversa. so in gimp do this: -open image -go the layer panel and u will be looking to your image in an autocreated layer. -right click the image in the layer panel and "add layer mask"---"grayscale copy of layer" -now u will see there's a copy of the layer (greyscale) attached to the image in layer panel -click the layer again and then go to "filters-maps-normal maps" -a window pops out and u will see a preview of the normal map and some parameters to change. play around, raise the scale a bit. filter depends on the starting image and so do the other options. u can have a 3d preview, so my advise is click the light button and drag mouse around. it will simulate the light influence in the normal texture. when ur happy click done. -voilá, u have a normal map now, but probably it will look faded, that's because of the mask u created before, so click on top of the maks layer (in the layer window) and remove your mask. -now u'll have the normal map texture rdy to be saved and used. like i said before, this is the more inacurate way of extracting normal maps. the best way is always extracting from a high resolution model to a low resolution. but if the starting map is a bump map texture, the results are very good. i hope to start seeing some works here with this techniques, and some discussions about it. arma is almost on our machines, rdy to be moded |
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