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    [Plugin] Bitmap To Mesh

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    • greenskpG Offline
      greenskp
      last edited by

      Hi guys!

      This is a awesome plugin but i don't know how to convert into a image with grayscale.
      For example, this image below.

      http://i49.tinypic.com/1zx6zck.jpg

      Anybody help me?

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      • Dave RD Offline
        Dave R
        last edited by

        Image editor maybe?
        1zx6zck gray scale.jpg

        Etaoin Shrdlu

        %

        (THERE'S NO PLACE LIKE)

        G28 X0.0 Y0.0 Z0.0

        M30

        %

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        • thomthomT Offline
          thomthom
          last edited by

          If all you do is desaturating a colour image to grayscale then the plugin does this automatically while processing.

          However, as I've been trying to stress before - converting an image to greyscale doesn't give you a height map. The light and dark areas doesn't properly represent high and low points of the geometry. Shadows, reflection and light direction will give incorrect result.

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

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          • Dave RD Offline
            Dave R
            last edited by

            André asked for a grey scale image so I gave him one. I didn't think it would be all that useful for creating the mesh since it doesn't suit the requirements of a height map.

            Etaoin Shrdlu

            %

            (THERE'S NO PLACE LIKE)

            G28 X0.0 Y0.0 Z0.0

            M30

            %

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            • pilouP Offline
              pilou
              last edited by

              Free Heightmap editor

              Frenchy Pilou
              Is beautiful that please without concept!
              My Little site :)

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              • T Offline
                tacokid
                last edited by

                First, let me apologize because I have no idea where this is going. I have never posted on any forum, so it's all new to me. What I am trying to find out is how do you download the bitmap to mesh plugin and the tt_lib that goes with it? I have been clicking on links for a while, but I'm just going in circles. I hope this plugin does what shows on the video as it could solve my problem.

                Thanks,
                tacokid

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                • massimoM Offline
                  massimo Moderator
                  last edited by

                  Look at the very first post of the thread.
                  Cattura.JPG
                  Cattura_01.JPG

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                  • thomthomT Offline
                    thomthom
                    last edited by

                    And you can use this to aid the installation process: http://sketchucation.com/forums/viewtopic.php?t=42315#p375454

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

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                    • T Offline
                      tacokid
                      last edited by

                      You're not going to believe this, but I was having the same trouble. You would think I'm just learning to use computer too !! I did find my problem. For some reason, when I disabled my pop up blocker and re-started my browser, the pop up blocker re-enabled. So I was chasing my own tail. Did get it downloaded and will try it soon.

                      Thanks a lot

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                      • thomthomT Offline
                        thomthom
                        last edited by

                        👍 👍

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

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                        • F Offline
                          frankleng
                          last edited by

                          thanks. very nice.

                          1 Reply Last reply Reply Quote 0
                          • S Offline
                            Soyphrenn
                            last edited by

                            Just one question : no working with Sketchup MacOS ?

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                            • Dave RD Offline
                              Dave R
                              last edited by

                              Works just fine on my Mac (OSX 10.8.4)

                              I did this a few minutes ago.
                              BMP2mesh.png

                              Etaoin Shrdlu

                              %

                              (THERE'S NO PLACE LIKE)

                              G28 X0.0 Y0.0 Z0.0

                              M30

                              %

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                              • thomthomT Offline
                                thomthom
                                last edited by

                                Yea, should work on OSX. Are you getting errors?
                                Did you install TT_Lib2 as well? (it's a required dependency.)

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

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                                • J Offline
                                  jjduncs
                                  last edited by

                                  256x256 bmp taking 45 minutes to finish. Activity monitor shows Sketchup only using 5% while this is processing.

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                                  • tt_suT Offline
                                    tt_su
                                    last edited by

                                    @jjduncs said:

                                    256x256 bmp taking 45 minutes to finish. Activity monitor shows Sketchup only using 5% while this is processing.

                                    How many cores do you have? Quad core hyper-threaded? SketchUp and Ruby 1.8 only makes use of a single core.

                                    256x256 pixels would produce 131072 triangles - so you'd have quite a dense mesh. Ruby is quite slow by itself, but the bottleneck here is SketchUp's speed of adding geometry. The more geometry already in the group you add to the slower it gets.

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                                    • J Offline
                                      jjduncs
                                      last edited by

                                      Yeah quad core, not sure on the hyper-threading.

                                      Ended up just scaling down to 100 x 100 in PS. Still took 20 minutes though. CPU usage only spikes higher for the last maybe 20 seconds after it finishes the generating mesh task.

                                      Thanks though.
                                      100x100 turned out fine anyway.

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                                      • K Offline
                                        khancyrus
                                        last edited by

                                        Hello,
                                        I had a question. I have tried this plugin and it works brilliant, but I feel I could only make it work for rectangular or planes curved in one plane only. I just wanted to know if it is possible with more organic or bulbous or more bulging surfaces in all x,y,z planes. Please forgive me if I'm using wrong terms or doing it wrong.
                                        Btw thanks for all the plugins thomthom!

                                        CSK

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                                        • tt_suT Offline
                                          tt_su
                                          last edited by

                                          You mean take a surface mapped with a texture and generate new mesh - like a displacement map would?

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                                          • K Offline
                                            khancyrus
                                            last edited by

                                            Its sth like that if Im understanding what it is, for example I wish to create a mesh a bulging surface that would have holes in it, taken from Half tone bitmaps.
                                            For example, the facades of BIG's Tam Art Cross, but in this case a bulbous one! Im wondering, is it possible in sketchup?

                                            Link Preview Image
                                            BIG | Bjarke Ingels Group

                                            BIG has grown organically over the last two decades from a founder, to a family, to a force of 700. Our latest transformation is the BIG LEAP: Bjarke Ingels Group of Landscape, Engineering, Architecture, Planning and Products. A plethora of in-house perspectives allows us to see what none of us would be able to see on our own. The sum of our individual talents becomes our collective creative genius. A small step for each of us becomes a BIG LEAP for all of us.

                                            favicon

                                            BIG | Bjarke Ingels Group (www.big.dk)

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