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Claes Lundstrom

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About Claes Lundstrom

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    www.touchcad.com , www.lundstromdesign.com
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    Stockholm, Sweden

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  1. You can for sure create textures in VW, though I mostly do it externally. I use a couple of external rendering programs, mostly because I get to the final result quicker. The enclosed example is however done with Renderworks. On you picture, a few suggestions is to use bump mapping on most with most textures. It's mostly a question of using the picture again with a different use. Let's say that you have a piece of wood. The wood picture is then used for making it look like wood, but also to add a little depth to it. In the example, I wanted a texture where the black parts where painted black, but still had that wood feel to it. Another example of bump mapping is on a varnished wooden floor. You want to see the wood texture, and that's ok. But, if you make it reflective, it quickly looks wrong, as a real wooden floor is seldom absolutely flat. A little bump map using the same wood texture however does the trick. You get the reflections that you want, but at the same time you make the reflections look a little fuzzy, which is what a real floor looks like. Another suggestion is to add a corner radius to objects being close to the camera. This creates an edge highlight that you see on almost all objects if you look closely, even of seemingly sharp edges. It dramatically adds realism to a rendering. So on your rendering, I would definitely add corner radiuses on the tables and chairs in the front. Bumps, quite a lot on the cloth parts, on the carpet, and some on the wooden parts of the chairs. Also, make the wooden parts of the chairs slightly reflective.
  2. I use OBJ a lot when exporting from TouchCAD to various rendering programs as well as VW. The basic structure consists of the OBJ file itself, containing coordinates, normals, and UV mapping coordinates, and which material/texture it uses for each part, etc. In this file, you also have a referral to the .mtl file, which either contains color, material, etc for the model. If the part contains an image based texture, the .mtl also contains the name of the image used. What it does not contain however is the full file structure, so it's super important that these three basic file types are located in the same folder. Also, make sure that the file names in the respective files matches the real file names exactly. If not, you will get such an error message.
  3. The problem with NURBS in VW is that it needs surgery to come up to par with what other programs can do, and to get editing capabilities being similar to other features in VW, such as editing polylines in 2D. The underlying features are there in the library on which is based, so it's all about improving the user interface. Personally, I always import my NURBS objects from an external program.
  4. Don't know what you are doing, but the unfold in VW is rather limited. I always do it in other programs.
  5. Not the only thing missing when it comes to VW and Sweden. Unfortunately.
  6. As always, it's a question of using the right tool for the right job. You can use a screwdriver to paint you house, but why bother when a brush i much quicker. Why do I use Keyshot? Because it's FAST, and offers stunning realtime renderings. The enclosed image is where I was after exactly one minute, twenty-one seconds, after having pressed the Import button, based on a textured model in OBJ format from TouchCAD. It's as fast as it gets if you ask me.
  7. Keyshot actually communicates fairly well with VW in a number of file formats. DXF, DWG, STEP, IGES, Parasolids, 3DS, Collada, FBX, OBJ, SAT, STL, and Rhino can all be imported, with more or less success. Textures works with many of the more graphics oriented formats, though the output seems to be a bit sketchy from some VW generated file formats, at least as seen from Kesyhot point of view. File formats with proper normals are much preferred for rounded polygon based objects, as Keyshot has an inherited weakness in that it does not handle recreating the rounding well (unlike most other rendering programs I should say). This has sometimes been a problem with files coming from VW, as the normals have not worked well in some recent versions and formats (including RW I may add). Haven't done too much experimenting with VW 2020 though in this respect.
  8. Have one too. Works fine once installed and running, though the installer of the drivers for Mac could be way better. The installer pretty much needs a Canon technician to make it work.
  9. I use Keyshot daily, though mostly processing models from TouchCAD. I agree that it's more focused on product visualization rather than architectural renderings. For product renderings, it's phenomenal. You get from A to B quicker than anything I have tried, and it looks good too. The edge is smaller on architectural renderings though it can for sure be done, especially if you make use of the VW texture library.
  10. There is a reason why VW takes longer to learn. It's vast compared to SU. Just compare the program folder sizes.... Also, you always tend to like what you are used to. You prefer SU because you are used to it.
  11. In the Affinity Designer case, the trick to get the scale right is to set the DPI right on both sides. I set it to 300 DPI in VW and 300 DPI in Affinity, and the scale works perfectly. I assume that the same thing applies to Illustrator. It also works fine with CorelDraw, though I don't use it as I mainly use Macs.
  12. I export as PDF with files containing both super high res images and vector data as PDF, Import into Affinity Designer and then re-export it as SVG. It works very well, in fact rock solid, including classes with names, groups, size, etc. To maximize the organization, I use divide everything into classes and then group each class. Images at 300 dpi. for both export and import. Affinity Designer cost something like $40-50 and is a great program available for both Mac and Windows.
  13. Texture mapping can be very frustrating in most programs not having proper UV mapping features, and VW is no exception. UV mapping can be quite complex in many programs, but it gives a way better control over things. Nowadays, I always do this externally for more complex shapes.
  14. I agree. I also make models (product replicas) with super photo realistic high res textures and cutting it out with a cutter. My solution is to compile the high res textures with cutting lines, alignment marks, and scoring lines, dividing it into classes, and then exporting it as a PDF in scale 1:1. I then open it in Affinity Designer, which imports the model perfectly while maintaining the class structure, and then export as SVG into the cutter driver and the graphics to the printer. Works very well. Affinity Designer can be described as something similar to Adobe Illustrator, but for a very modest price. Picture: Real product, paper model, 1.5 meter high fabrics skin model.
  15. SVG export would be very useful. I use it for exporting print and cut scale models using a Silver Bullet cutter. The files include both high res images and vector curves for cutting. My method for generating SVG files is to export as PDF, open it in Affinity Designer, and then export as SVG which is opened in the cutter driver. Affinity Designer is highly recommended as an Adobe Illustrator alternative. Very competitive pricing and very capable.


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