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A quest for better understanding of textures

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  • T Offline
    thomthom
    last edited by 30 May 2012, 14:41

    That's a nice sample. Thanks! πŸ‘

    Thomas Thomassen β€” SketchUp Monkey & Coding addict
    List of my plugins and link to the CookieWare fund

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    • E Offline
      eidam655
      last edited by 30 May 2012, 19:07

      wow, thanks for this πŸ˜„

      another thing i discovered is that with 'use_3d_mapping' checked (ie. it's ON), the result is just like you showed us; however, if you uncheck it, you'll get a texture of the wood end. demonstrating on your material:

      http://i.imgur.com/VZzrB.jpg

      however, i couldn't get center_v get to change the scale on my textures. i would say that center_u and _v define the center position of the texture, so i don't think this would affect the size... more testing is needed though.

      http://i.imgur.com/Gwu0Q.jpg

      strange thing is that even when in the TexWood preview window something is happening, in the material preview and in the render not so many things change...

      I'm using SketchUp 2017, V-Ray 3.4

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      • P Offline
        pyroluna
        last edited by 31 May 2012, 12:38

        Oh yeah also this; the placement is dependent on the origin of the model or component. I'm not exactly sure how the difference between applying a material to a face or to a component is in play, but the component axes thing is clearly demonstrated in the example below:

        wood_thingies2.jpg

        In this image, the two little blocks on the floor are the same component - one of them made unique and the axes of that one have been put at an angle of 45 degrees in two directions.
        As for the balls, they are the same component, one of them is rotated.

        wooden balls.png

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        • E Offline
          eidam655
          last edited by 31 May 2012, 12:50

          just for reference, how big are your... items? ('balls' would seem inappropriate ^^)

          my sphere is 2,646m in diameter.

          I'm using SketchUp 2017, V-Ray 3.4

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          • P Offline
            pyroluna
            last edited by 1 Jun 2012, 22:39

            the big ones are 470mm in diameter, the little blocks are 100mm

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            • B Offline
              broomstick
              last edited by 9 Jul 2012, 11:14

              may I publish here a little tutorial on how to use the Vray Blend Material?

              It's useful to have bump maps without a diffuse texture (sort of)

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              • E Offline
                eidam655
                last edited by 9 Jul 2012, 11:28

                sure, please, go ahead πŸ˜„

                I'm using SketchUp 2017, V-Ray 3.4

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                • T Offline
                  thomthom
                  last edited by 9 Jul 2012, 12:35

                  @broomstick said:

                  may I publish here a little tutorial on how to use the Vray Blend Material?

                  It's useful to have bump maps without a diffuse texture (sort of)

                  Yes. But please post in a new thread, and tag it [Tutorial] so it's easier to find.

                  Thomas Thomassen β€” SketchUp Monkey & Coding addict
                  List of my plugins and link to the CookieWare fund

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                  • B Offline
                    broomstick
                    last edited by 10 Jul 2012, 14:35

                    @thomthom said:

                    @broomstick said:

                    may I publish here a little tutorial on how to use the Vray Blend Material?

                    It's useful to have bump maps without a diffuse texture (sort of)

                    Yes. But please post in a new thread, and tag it [Tutorial] so it's easier to find.

                    Gotcha πŸ˜‰

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                    • P Offline
                      panixia
                      last edited by 12 Jul 2012, 07:42

                      @broomstick said:

                      may I publish here a little tutorial on how to use the Vray Blend Material?

                      It's useful to have bump maps without a diffuse texture (sort of)

                      yes you can!
                      😍

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                      • john2J Offline
                        john2
                        last edited by 19 Sept 2012, 11:30

                        @eidam655 said:

                        hello winGman,

                        create a material, open it in material editor:
                        [attachment=1:bo417hjm]<!-- ia1 -->texgrid_tut_1.png<!-- ia1 -->[/attachment:bo417hjm]
                        assign the TexGrid texture to the Diffuse channel (or some other channel, depending on your desired usage) and try to play around with the UV repeat values to adjust its size:
                        [attachment=2:bo417hjm]<!-- ia2 -->texgrid_tut_2.png<!-- ia2 -->[/attachment:bo417hjm]

                        after this, my render looks like this:
                        [attachment=0:bo417hjm]<!-- ia0 -->texgrid_tut.png<!-- ia0 -->[/attachment:bo417hjm]

                        and that should be it πŸ˜„

                        is there anyway we can change multiplier by measuring tilesize. ? this would be useful while making bump maps for tiles divided in a grid. say if i want tilesize 300mm by 300mm how can i do it?

                        Sketchup Make 2017 (64-bit), Vray 4.0 , Windows 10 – 64 bit, corei7-8750H, 16GB RAM, Nvidia GeForce GTX 1050Ti 4GB

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                        • P Offline
                          panixia
                          last edited by 6 Dec 2012, 14:09

                          @eidam655 said:

                          • rock/noise pattern. is not affected by UV repeat values.

                          • smoke/noise pattern. is not affected by UV repeat values.

                          • snow/noise pattern with alternating alpha. is not affected by UV repeat values.

                          • speckle/noise pattern. is not affected by UV repeat values.

                          • splat/noise pattern. is not affected by UV repeat values.

                          • presumably stucco/noise pattern. is not affected by UV repeat values. sadly,

                          • is not affected by UV repeat values. in fact, it's the same case as with Stucco. a

                          • is not affected by UV repeat values. i

                          my 50 cents to help your quest. πŸ’­
                          recently i discovered that for the textures rock - stucco - smoke - snow - speckle - splat - water you should untick "use 3d mapping" to enable UV tiling control. πŸ‘

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                          • J Offline
                            jackwatson
                            last edited by 5 Nov 2013, 08:45

                            Has anyone ever come across any clear documentation for all of these effects? The fact that there are so many cool procedural maps available, but the tutorials for how to utilise them are not seems a waste.

                            I've spent a good few hours playing around with them before but managed to get no practical use out of them because, as you know, with all the variables you can change it would take weeks or months to learn anything through trial an error.

                            This is probably less of an issue for Max users who tend to have had some kind of professional training, but those who use Sketchup for visualisation are at the shallow end of the visualisation pool are largely self trained I imagine. (Along with using amazing resources such as Sketchucation, of course πŸ˜‰)

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                            • E Offline
                              eidam655
                              last edited by 5 Nov 2013, 11:58

                              well, at least i haven't, that's why i opened this thread πŸ˜„

                              I'm using SketchUp 2017, V-Ray 3.4

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                              • B Offline
                                bbergem
                                last edited by 29 Sept 2014, 14:33

                                Do the original images to this thread still exist? I've been looking for this information on vray materials for a while, and this is the most promising result.. but it seems the image links are no longer valid? Or, can the information be found elsewhere?

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                                • E Offline
                                  eidam655
                                  last edited by 30 Sept 2014, 07:51

                                  hm, it seems my access to the old server got taken down (or my files have).

                                  i'll try to find the images somewhere in my backups... however, all of these were for vray 1.49 and the question is how relevant they still are.

                                  but as i said, i'll try to find them, just in case the were.

                                  I'm using SketchUp 2017, V-Ray 3.4

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                                  • NemesisN Offline
                                    Nemesis
                                    last edited by 27 Dec 2014, 23:14

                                    @eidam655 said:

                                    hm, it seems my access to the old server got taken down (or my files have).

                                    i'll try to find the images somewhere in my backups... however, all of these were for vray 1.49 and the question is how relevant they still are.

                                    but as i said, i'll try to find them, just in case the were.

                                    Hi eidam655, are there any chances that you have found images from the first message?

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                                    • E Offline
                                      eidam655
                                      last edited by 28 Dec 2014, 15:28

                                      Hi, I haven't found the images.

                                      But after the school's done in January I'll try and recreate the post again; the question is, how many people would be interested in the old 1.49 version and how many in the new VRay 2.0, since I imagine quite a lot of people have adopted the new release.

                                      let me know,
                                      eidam

                                      I'm using SketchUp 2017, V-Ray 3.4

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                                      • NemesisN Offline
                                        Nemesis
                                        last edited by 7 Feb 2015, 14:25

                                        Hi eidam655, so are there some news about sample pictures?

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                                        • onzkiO Offline
                                          onzki
                                          last edited by 25 Jun 2015, 02:39

                                          Hi, I bet many have asked or noticed this already- the "reset color" in material editor is greyed out since I installed Vray, now it's hard to revert to original texture after playing around with sliders. Also, my textures was automatically saved and renamed into a temp folder (Chaos Group), not a big deal though..

                                          Have someone figured out how to unlink Vray from overriding my materials control? I appreciate any help, I'm really hoping to get the "reset color" button working again. Thanks a lot!

                                          PS: (to Admin) If this is the wrong section, please move it. thanks!


                                          [/hr]Dell Alienware Area-51. SKU 2021 Pro. AutoCAD 2023. Landscape design firm

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