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Microstation DGN v8 igds_type does not set curves

  • February 7, 2019
  • 4 replies
  • 30 views
A
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Hi,

I am using FME Desktop 2017.1 and trying to output a Microstation V8 DGN file with curves instead of line strings. I have exposed and set the igds_type attribute to 11 (ie: curve) but the output DGN now has no lines at all. Does anyone have any ideas?

Thanks

Best answer by aquamarine

Hi Dave actually I just worked out the answer myself! I needed to set the igds_type attribute to "igds_curve" rather than "11".

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    4 replies

    david_r
    Celebrity
    • david_rCelebrity
    • February 7, 2019

    Maybe a silly question, but have you verified that the FME geometries are indeed arcs and not polylines when arriving at the writer?

    A
    Forum|alt.badge.img+1
    • aquamarine
    • Author
    • Best Answer
    • February 7, 2019

    Hi Dave actually I just worked out the answer myself! I needed to set the igds_type attribute to "igds_curve" rather than "11".

    A
    Forum|alt.badge.img+1
    • aquamarine
    • Author
    • February 7, 2019

    Maybe a silly question, but have you verified that the FME geometries are indeed arcs and not polylines when arriving at the writer?

    Hi @david_r I have another issue with the igds_type curve output in Microstation. For some reason, the first two and last two vertices of every curve are not joined together when I output the file to Microstation DGN. Do you know why this would be? They were definitely joined together when I used a normal line_string...

    david_r
    Celebrity
    • david_rCelebrity
    • February 7, 2019

    Hi @david_r I have another issue with the igds_type curve output in Microstation. For some reason, the first two and last two vertices of every curve are not joined together when I output the file to Microstation DGN. Do you know why this would be? They were definitely joined together when I used a normal line_string...

    That's strange. Unfortunately I don't know...

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