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Mat Caird

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Posts posted by Mat Caird

  1. I would roughly model the building, try and get the view to roughly match the jpeg, ane use photoshop to cut out the superflous stuff and manipulate the render to match exactly.

    Show a before and after photo on the same piece of paper too, and don't make it too big.

    To match the view;

    make a texture with the jpeg.

    do a big extrude, and add the new texture.

    using open GL you can fluff around a bit and try and get the camera and the model and the extrude to all align.

    it's kinda fiddly, but because you're using pshop afterward, you don't need to be too precise.

    post your results.


  2. Hi All

    More guidance please....

    I took Islandmon's previous suggestions and did the following;

    1)Change wall reflectivity to Phong, Ambient 100%, diffuse 80%, specular 50%. I used Bump mapping with Rough, solid. It hasn't turned to glare, but it is not eally right. How can I get a whiter wall, that doesn't seem too 'shiny'?

    2)My people aren't very good...

    3)Does anyone like the photshopping? the original is the bottom image.

    Thanks in advance, Mat


    original no photoshopping....


  3. Old Dwight Atkinson suggests the following;

    1 big bright yellow colored directional light source to represent the sun

    1 blue directional light source, cast shadows off, and facing 90 degrees back toward the sun to fill in the shadows and fake ambient light etc from the background, set this light about half the intensity of your sun

    1 final small light shining up from underneath, colored blue, cast shadows off. This fakes light reflected off the ground, and lightens soffitts etc. Set about a quarter the intensity of your sun.

    I'd be interested to see how you get on.



  4. Hi All

    I tried Dave Donley's suggestion of hunting out some of the lights in the imperial libray and using them.

    Here is the result after about a 15mnrender on the old P4 2.8 4%20copy.jpg

    previously I had done this using the 2 viewport technique with the top most set to sketch hidden line, and one directional light. It renders in about 1 minute, but looks pretty average.


    Any comments?

  5. Well Dave yours looks a lot better than mine...Even if I could have got something like Kaaree's I would have been happy.

    These always the next project - foodcourt at the local university.

  6. Hi all

    Over at the archicad forum they seem to do a bit of critiquing others work, so I thought I'd try here;

    I'm struggling with the shadows no this job, they are so hard.

    And I haven't had any luck with radiosity - takes too long on a p4 2.2.

    So can anyone offer any suggestions on how to soften up the shadows.


    Thanks in advance, Mat.

  7. YOU COULD USE THE 3D RESHAPE TOOL to add points, then move the points to where you want... a bit of fiddling around though

    or you could draw 3 walls, with the middle wall having a base of 2000mm above floor level

    Both these may display wrong in 2d plan view

    the second option you could use classes to hide it in 2d...

  8. Hi All

    first, thanks to Nicholas for going to all this effort and sharing it with us.

    I went to a seminar on rendering in Archicad, run by a very talented artist Dwight Aitken, and the basis of his whole argument was "think like a photographer". Have a look at the photo below;I assure you the walls and ceiling in my house are not Yellow/oragne. They are a pale beige.


    Dwight's theory is that the human eye takes "snapshots" of a scene, and the mind blends them all into a memory of the space. So you look into a dark corner, and your eye adjusts to the correct exposure, you turn to the sun, and a second or too later, your eye has adjusted again. For your render to look 'right' you have to trick the renderer by faking the dark areas etc.

    In Nicholas's excample, a professional photographer will add extra light to the scene to get the exposure correct in all the areas of the room. These lights are called the 'fill light', and the 'key light'.

    Dwight posts a lot here http://archicad-talk.graphisoft.com/viewforum.php?f=3&sid=51852861849d04a35e6732ec14ab5366 and although it's not a VW forum, you may learn something.


  9. Cinema 4d supports network rendering, and there's an exchange plug-in for VW.

    I used it for one project and it was quite successful and easy. I can't quite remember the workflow, but I think you upload the project to the server, (via web browser), then hit go. The server distributes individual frames to the other networked machines with the client software installed. So a slow machine might do one frame while a faster machine might do 6.

    Cinema 4d is easy to learn and produces a superior render to renderworks.

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