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    My early attempts at rendering --pls help

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    • tinanneT Offline
      tinanne
      last edited by

      Yes, me too. Very nice.

      Executive Director : American Society of Architectural Illustrators
      AIP 30 Competition opens soon. ASAI.org

      Architectural Rendering

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      • M Offline
        museummaker
        last edited by

        Its getting better but the wall is still too bumpy bumpy for me.

        I warmed it up a bit in PS too.


        getting better?

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        • Al HartA Offline
          Al Hart
          last edited by

          "Autobump" in IRender uses the texture itself as a bump map. This produces interesting, but incorrect results. A true bump map is a separate image in which the grey scale represents the ins and outs of the surface. When you use an image the light and dark almost never correspond to the ins and outs of the actual material. If you happen to have a "true" bump map, then you attach both the bump map and the texture image to the same material as separate images.

          Here is a good example. This is a "true" bump map for a stone surface.

          http://wiki.renderplus.com/images/thumb/0/07/Stone-bump.jpg/250px-Stone-bump.jpg

          The shades of grey represent the depth of the surface.

          Here is the effect of applying this bump map to a cube.

          http://wiki.renderplus.com/images/4/47/Stone2-bump.png

          Notice how the light angle modifies the effect of the 3D depth of the bumps.

          The "bump" image does not resemble the actual appearance of the stone at all.

          Al Hart

          http:wiki.renderplus.comimageseefRender_plus_colored30x30%29.PNG
          IRender nXt from Render Plus

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          • R Offline
            richcat
            last edited by

            I see the scene is progressing very nicely
            The image to use as bump map ie a gray scale image can be imported in the second texture position in the advanced material editor,(via advanced button) but make sure the base colour is off for the bump texture, adjust bump to suite. Here is link to accustudio with tut for auotcad version which is very similar to sketchup version.

            Basically you would start at the third image down the page, ie Material editor which in IRendernXt, you can get to via the advanced button on the material editor.

            The image below was created by using standard stone pavers walk from sketchup, and creating gray scale jpg images to use as sue doe bumps in PS for each.

            The one on left bump of +2 the on on right -2.


            stone1.jpg

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            • R Offline
              richcat
              last edited by

              I found another link here on additional info on bumps in IrendernXt

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              • M Offline
                museummaker
                last edited by

                Thanks everyone,

                Straight SU for comparison.

                Doesn't do too bad on it's own ...justSU.JPG

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                • X Offline
                  xrok1
                  last edited by

                  i actually like that one better!

                  please share your grass, its awsome.

                  “There are three classes of people: those who see. Those who see when they are shown. Those who do not see.”

                  http://www.Twilightrender.com try it!

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                  • M Offline
                    museummaker
                    last edited by

                    The grass was by Gaieus! it is in the warehouse here http://tinyurl.com/2k6een

                    It looks great close up, its pretty heavy for big scenes.

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                    • X Offline
                      xrok1
                      last edited by

                      why can't i see the faces of the grass in you're SU shot?

                      “There are three classes of people: those who see. Those who see when they are shown. Those who do not see.”

                      http://www.Twilightrender.com try it!

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                      • M Offline
                        museummaker
                        last edited by

                        You just got to get really, really, close...

                        Plus I had the light turned down, it helps to hides things,just like in real life.


                        close grass.JPG

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                        • X Offline
                          xrok1
                          last edited by

                          this is how mine look?


                          27-03-2009 12-25-59 PM.jpg

                          “There are three classes of people: those who see. Those who see when they are shown. Those who do not see.”

                          http://www.Twilightrender.com try it!

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                          • M Offline
                            museummaker
                            last edited by

                            I think it is a transparent png, and your machine isn't reading it as transparent.??

                            Ever have trouble with any of the png 2d trees? (Ones not cut out?)

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                            • S Offline
                              sepo
                              last edited by

                              That is not .png version. Here it is.


                              grass diffuse texture.PNG

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                              • X Offline
                                xrok1
                                last edited by

                                thanks thats better. i wonder why the 3Dwarehouse one doesn't have the .png in it?

                                “There are three classes of people: those who see. Those who see when they are shown. Those who do not see.”

                                http://www.Twilightrender.com try it!

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                                • M Offline
                                  museummaker
                                  last edited by

                                  I was playing with the most amazing bug model made by the extremely talented Urgen.

                                  I did something to the texture and the renderer went crazy, I really like the way this looks. (And I started to draw bugs.


                                  buggybug.jpg

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