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⚠️ Libfredo 15.4b | Minor release with bugfixes and improvements Update

Projecting through a solid

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  • A Offline
    AnsenSeale
    last edited by 1 Aug 2015, 21:47

    Is there a way to project an image through a solid shape so that it shows up on both sides?

    --Ansen Seale

    ansenseale.com

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    • D Offline
      Dave R
      last edited by 1 Aug 2015, 23:04

      Would it not be enough to apply the image to the opposite face? If that would work, you could make a mirrored version of it and apply that on the opposite side.

      Etaoin Shrdlu

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      • A Offline
        AnsenSeale
        last edited by 2 Aug 2015, 14:09

        I have about 60 of these to project in this model, so I was trying to save myself some steps.

        --Ansen Seale

        ansenseale.com

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        • D Offline
          Dave R
          last edited by 2 Aug 2015, 17:17

          Creating the reversed images could probably be batched with some image editors.

          Although having reversed faces is generally inadvisable, another option would be to reverse the face on the opposite side from the first texture image and apply the same material to that reversed face. I did that in this SKP file.

          Another option would be to leave the face correctly oriented, apply the material and then right click, choose Texture>Position, right click again and choose Flip>Left/Right.


          mirrored texture.skp

          Etaoin Shrdlu

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          • B Offline
            Box
            last edited by 2 Aug 2015, 17:51

            Dave seems to be on the money here, but an image of what you want to do would help.

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            • D Offline
              Dave R
              last edited by 2 Aug 2015, 18:10

              @box said:

              Dave seems to be on the money here, but an image of what you want to do would help.

              too bad I'm not in the money. πŸ˜† πŸ˜†

              Etaoin Shrdlu

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              • N Offline
                ntxdave
                last edited by 2 Aug 2015, 19:11

                You can even take advantage of a transparent image to make something like a sign that has irregular edges using DaveR's technique. The attached model is an example.


                WashEntranceSign.skp

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                • W Offline
                  Wo3Dan
                  last edited by 2 Aug 2015, 19:19

                  @ansenseale said:

                  Is there a way to project an image through a solid shape so that it shows up on both sides?

                  Before applying the texture to a face (still default on both sides!) just reduce the opacity from 100% to say 99%. Then sample it and paint default faces.
                  Once done, raise opacity of the texture to 100% again if needed.
                  Front shows normal oriented texture, back shows mirrored texture.

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                  • D Offline
                    Dave R
                    last edited by 2 Aug 2015, 19:31

                    @wo3dan said:

                    @ansenseale said:

                    Is there a way to project an image through a solid shape so that it shows up on both sides?

                    Before applying the texture to a face (still default on both sides!) just reduce the opacity from 100% to say 99%. Then sample it and paint default faces.
                    Once done, raise opacity of the texture to 100% again if needed.
                    Front shows normal oriented texture, back shows mirrored texture.

                    That works if you are applying the material to both sides of the same face but not if applying the material to the opposite end of a 3D shape, right Gerrit?

                    Etaoin Shrdlu

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                    • K Offline
                      Krisidious
                      last edited by 2 Aug 2015, 19:38

                      Depends on if you can have back faces on a solid. then it should be revered on back right? I'd have to test.

                      By: Kristoff Rand
                      Home DesignerUnique House Plans

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                      • D Offline
                        Dave R
                        last edited by 2 Aug 2015, 19:42

                        @krisidious said:

                        Depends on if you can have back faces on a solid. then it should be revered on back right? I'd have to test.

                        C'mon. Catch up. πŸ˜† We've already done that. If you look at the SKP file I shared back a few posts, you'll see it works. You don't need to test it.

                        Etaoin Shrdlu

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                        • K Offline
                          Krisidious
                          last edited by 2 Aug 2015, 19:43

                          Don't ask me how I did it... Cuz I can't recreate it now.


                          backside.skp

                          By: Kristoff Rand
                          Home DesignerUnique House Plans

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                          • K Offline
                            Krisidious
                            last edited by 2 Aug 2015, 19:47

                            Cuz I didn't do it...

                            By: Kristoff Rand
                            Home DesignerUnique House Plans

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                            • W Offline
                              Wo3Dan
                              last edited by 2 Aug 2015, 20:27

                              @dave r said:

                              ........That works if you are applying the material to both sides of the same face but not if applying the material to the opposite end of a 3D shape, right Gerrit?

                              How can I get out of this, 😲 and deny that you are right.

                              Well, let's just face it, you are right Dave. I should have paid more attention when reading. 😳

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                              • A Offline
                                AnsenSeale
                                last edited by 2 Aug 2015, 22:12

                                Thanks, guys.
                                I'm just sending a screenshot because my model is already 15MB with all the photos. I definitely want to project through the solid, if possible, not just affect both sides of a face. My images are abstract enough that flipping is not really the issue. It's just pure laziness on my part. That's the issue.


                                circles.jpg

                                --Ansen Seale

                                ansenseale.com

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                                • K Offline
                                  Krisidious
                                  last edited by 2 Aug 2015, 23:30

                                  with those types of images, those that are hard to discern left from right, you could easily just paint the surface with the one material... I doubt many would know it was not the same on the other side.

                                  By: Kristoff Rand
                                  Home DesignerUnique House Plans

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                                  • A Offline
                                    AnsenSeale
                                    last edited by 2 Aug 2015, 23:38

                                    My point exactly. I just don't want to import all the image over again, doubling my file size and rendering time.

                                    --Ansen Seale

                                    ansenseale.com

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                                    • D Offline
                                      Dave R
                                      last edited by 2 Aug 2015, 23:48

                                      Once the image is imported as a texture, there's no need to import it again. There's no reason to wind up with two of each image.

                                      Etaoin Shrdlu

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                                      • K Offline
                                        Krisidious
                                        last edited by 2 Aug 2015, 23:57

                                        Yeah... As Dave said, there will only be one of each image, even if you mirrored it, it would be the same image mirrored. and there is a plugin to import all images from a directory.

                                        By: Kristoff Rand
                                        Home DesignerUnique House Plans

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                                        • A Offline
                                          AnsenSeale
                                          last edited by 3 Aug 2015, 01:59

                                          How would you duplicate a texture without importing it again?
                                          Thanks.

                                          --Ansen Seale

                                          ansenseale.com

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