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

Exporting large image - keep line width relative?

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  • T Offline
    thomthom
    last edited by 27 Aug 2009, 11:02

    I got a sketchy line style that looks fine on screen.
    But I want to make a print with it. I export in large reg 6000px wide - but that leaves the lines very thin on the exported images.
    Seem that if the lines are 4px on the monitor they also come out 4px on the large res export - instead of scaling up with the drawing.

    Any way to force it to correct scale?

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

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    • G Offline
      Gaieus
      last edited by 27 Aug 2009, 11:24

      I'm afraid, not, Thom. These sketchy lines are in fact raster images and they are as wide as the images are.

      Here is a more in depth insight by Ross about "Basic concepts of styles" which explains it best:
      http://forums.sketchucation.com/viewtopic.php?f=18&t=968

      Gai...

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      • C Offline
        Chris Fullmer
        last edited by 27 Aug 2009, 17:34

        Sure there's a way! Its a little hacky, but I use it with success.

        Export the image at high resolution, and turn off all lines.

        Then export the image in pure white, with your linestyle on, and no shading (use sun for shading, turn light down to 0 and dark up to 100). And export this at a smaller resolution, so the lineweights stay thick. Generally screen resolution is good so you can guage how thick they will be.

        Then overlay the linework on the color image in Photoshop/GIMP. And scale the linework up to the same size as the color. If you have bicubic sampling turned on, the scale up should work. I think that sometimes I might scale it up to 2x the final desired size, then downsize to the final right size. That helps resample the linework and make it even smoother.

        Hope that helps, I'll see if I can find some example where I've done it.

        Chris

        Lately you've been tan, suspicious for the winter.
        All my Plugins I've written

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        • T Offline
          thomthom
          last edited by 27 Aug 2009, 18:23

          Chris, that's what I ended up doing - exporting lines by themselves in a one third of the final size. Worked fine actually. 👍

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

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          • C Offline
            Chris Fullmer
            last edited by 27 Aug 2009, 20:09

            @thomthom said:

            Worked fine actually. 👍

            I was surprised the first time I tried it and worked well. I thought for sure upscaling it would make the linework horrible and pixelated. But in fact, bicubic resampling (and now with its available variations) really makes the upscaling come out nice and smooth.

            Chris

            Lately you've been tan, suspicious for the winter.
            All my Plugins I've written

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            • G Offline
              Gaieus
              last edited by 28 Aug 2009, 05:58

              Nice workaround, Chris!
              👍

              Gai...

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