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Thread: Is there a software to convert the picture of a demolens to a .OMA file?

  1. #1
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    Is there a software to convert the picture of a demolens to a .OMA file?

    I was thinking of taking a picture or scanning a demolens into a jpg, bmp etc file, and then modify it with photoshop for example. What is needed is to transform this picture into a OMA. like the one is obtained from Innovations when a shape is exported.
    It would convert a camera or scanner into a tracer.
    Does that software exist?

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    Master OptiBoarder MakeOptics's Avatar
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    Quote Originally Posted by MIOPE View Post
    I was thinking of taking a picture or scanning a demolens into a jpg, bmp etc file, and then modify it with photoshop for example. What is needed is to transform this picture into a OMA. like the one is obtained from Innovations when a shape is exported.
    It would convert a camera or scanner into a tracer.
    Does that software exist?
    National Optronics has a tracing program that does that amoung other things. I'm sure other packages exist as well.
    http://www.opticians.cc

    Creator of the industries 1st HTML5 Browser based tracer software.
    Creator of the industries 1st Mac tracer software.
    Creator of the industries 1st Linux tracer software.

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    Objection! OptiBoard Gold Supporter shanbaum's Avatar
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    If you get a drawing tablet like the WACOM Graphire you can trace a shape with the stylus directly into Innovations.

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    Is this still true? I've never heard of it and I attend all your conferences! :)

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    OptiBoardaholic OptiBoard Gold Supporter Mick's Avatar
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    Will this work for all demo's? Some, I have noticed, fit tight and flatten after removal. Grooved and sun lenses should be OK because they tend to be thicker than demos.

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    Objection! OptiBoard Gold Supporter shanbaum's Avatar
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    It's still true. I know we have a small number of customer who use it extensively.

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    Objection! OptiBoard Gold Supporter shanbaum's Avatar
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    Mind you, it was (and is) intended to provide a reasonably accurate shape for surfacing calculations. As far as edging goes, I'd only expect it to work for a subset of rimless mountings - and you'd have to draw carefully.

  8. #8
    Rising Star
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    Cool.
    But It is more fast draw the pattern on the lens and go to hand edge the lens.

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    OptiBoard Apprentice
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    Quote Originally Posted by MIOPE View Post
    I was thinking of taking a picture or scanning a demolens into a jpg, bmp etc file, and then modify it with photoshop for example. What is needed is to transform this picture into a OMA. like the one is obtained from Innovations when a shape is exported.
    It would convert a camera or scanner into a tracer.
    Does that software exist?

    You can use inkscape to trace your image as a vector shape, then copy / paste the bezier curve data directly into an existing OMA file. Below is a screenshot of where this data is located when inspecting the XML data.

    https://luneautechusa.com/wp-content...1/inkscape.jpg

    I actually have a video tutorial on how to do this but it is in German.

    Alternatively, the Briot Alta Evolution Tracer / Blocker does exactly what you describe, including robust shape modification directly on the unit.
    Matt C.
    Marketing Specialist
    Luneau Technology USA(AIT-WECO, Briot, Visionix)
    www.luneautechusa.com
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