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    Freeform reflector design

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    • pilouP Offline
      pilou
      last edited by

      LightUp ?

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

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      • A Offline
        ayashko
        last edited by

        That looks interesting - i'll have a look and see, but from the promo it seems it relies on data libraries for the light source info. I hope it can utilise manual input optics. I'll post a response soon.
        Thanks

        Alex

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        • A Offline
          ayashko
          last edited by

          Ok, Lightup looks awesome, but it's not suitable for my needs; it doesn't provide for the ability to draw up a freeform reflectors or lenses (no refraction) unfortunately. It does look pretty cool though ๐Ÿ˜„

          Any other ideas?

          Cheers

          Alex

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          • pilouP Offline
            pilou
            last edited by

            Have you some images of your first link?
            I can't install the java plugin for see something!

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

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            • deaneauD Offline
              deaneau
              last edited by

              look at this

              favicon

              (www.marmoset.co)

              and look at the gallery

              the viewer will come later

              http://www.marmoset.co/wp-content/uploads/vromman_torch.jpg

              ok is not the right reflector however you see what you can do.

              original skechup file

              Link Preview Image
              3D Warehouse

              3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

              favicon

              (3dwarehouse.sketchup.com)

              screenshot001.jpg

              this is an imagebased light rederer..very fast and cool AND not to expansive

              129 EURO is a good price.

              MADE, BORN AND LIVING IN BERLIN
              Big Thank You to all Programmers
              Some German words are so long that they have a perspective. M.Twain

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              • A Offline
                ayashko
                last edited by

                Pilou,

                I also had a few issues initially, but eventually got it working. Here's a screen grab;

                http://ayashko.smugmug.com/LEDS/i-7295Lzt/0/L/java raytrace-L.png

                I need to be able to draw reflector profiles, lenses that display diffraction (1.56) and possibly other components. Essentially if I can draw it in S/U then I'm happy with that level of precisionโ€”it's all non imaging optics, so there's no issues with chromatic aberration, coma, astigmatism etc.

                Would love it to be in 3D, but am happy with 2D.

                Deaneau, again, it looks interesting, but it's not what I'm thinking of.

                Here's a couple of software packages that do it all, and priced accordingly;

                http://www.lambdares.com/applications/lighting

                favicon

                (www.opticad.com)

                I haven't actually seen a simple, optical, ray tracing program or even web interface that does the basics ๐Ÿ˜ž

                Cheers

                Alex

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                • pilouP Offline
                  pilou
                  last edited by

                  A funny prog makes Physic Optic in 2D! (and some other things! ๐Ÿ’š
                  Algodoo (free)

                  You can import your SU object as PNG image with transparent background!
                  And transform it in object as "texture" apply on any form!
                  So your section reflector design! ๐Ÿ˜‰

                  Something not shown on the video: you can make appear many windows of result parameters!

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

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                  • pilouP Offline
                    pilou
                    last edited by

                    Process of the importation of any SU Object as PNG image with tranparent backgroung!
                    Here a simple figure! ๐Ÿ˜„ (figure can be empty like your design section or filled like here)

                    prof.gif
                    Image linked if you want make training! ๐Ÿ˜„
                    (better if you put the image inside the Texture folder of Algodoo ! ๐Ÿค“

                    In French but very visual! All menus arrive by right click on the figure!
                    First triangular form (P) with left Button and stay 1 Second at the end without release it!
                    (can be anything as form)

                    Appearance/ Button Find Texture then Button Generate Form from Texture
                    Et voilร ! ๐Ÿ˜„ (of course prog is also in English! ๐Ÿ’š

                    http://moiscript.weebly.com/uploads/3/9/3/8/3938813/5418934_orig.gif

                    fond.png

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

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                    • deaneauD Offline
                      deaneau
                      last edited by

                      @ ayashko oktis was misunderstand by me

                      MADE, BORN AND LIVING IN BERLIN
                      Big Thank You to all Programmers
                      Some German words are so long that they have a perspective. M.Twain

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                      • OxerO Offline
                        Oxer
                        last edited by

                        A time ago I modeled a halogen in Sketchup with high details, see the image:

                        Halogenos.jpg

                        You can obtain a realist light effect for the halogens with Thea Render for SU, create a IES light with Thea4SU and select the appropriate IES file for your model of halogen, in internet you can find a lot of IES files for many different trademarkt of halogens.

                        Luz Halogenos.jpg

                        "The result is the end what is important is the process" by Oxer
                        [http://www.oxervision.blogspot.com/(http://www.oxervision.blogspot.com/)]

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                        • A Offline
                          ayashko
                          last edited by

                          Well, spent a bit of time with algadoo โ€“ thanks Pilou! โ€“ and while it's pretty amazing (actually it kicks sketchyphysics butt โ€“ and it does have some simple ray trace abilities using 'lasers', it becomes difficult/impossible when you want to create custom parabola/hyperbola reflectors. Looks like a lot of fun though โ€“ I've sent links to all my younger cousins/family membersโ€ฆ ๐Ÿ˜„

                          Oxer, IES files aren't a problem, I have what I need for the LED's I'm using. I'm at the design stage where I need to see the ray paths to determine/tweak reflector and lens parameters before I get to the render. Nice renders โ€” I'll probably repost when I get to that point with questions re rendering. I didn't expect the ray trace side of things to be so hardโ€ฆ

                          Slightly off topic; while looking for suitable programs, I came across this which is awesome (a definite benefit of all this time spent searching the web);

                          Link Preview Image
                          GeoGebra - the worldโ€™s favorite, free math tools used by over 100 million students and teachers

                          Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more

                          favicon

                          GeoGebra (www.geogebra.org)

                          Thanks for the help so far! I'm still looking ๐Ÿ˜„

                          Cheers

                          Alex

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                          • pilouP Offline
                            pilou
                            last edited by

                            @unknownuser said:

                            it becomes difficult/impossible when you want to create custom parabola/hyperbola reflectors.

                            Draw parabola/hyperbola section? or the result of the rays of the laser ?

                            About Gebra / Algodoo look this thread! ๐Ÿ’š
                            You must be French user groups registered! ๐Ÿ˜‰ (menu "setting" / User groups... up left page corner )

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

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