Microstation DGN v8 igds_type does not set curves

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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?

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Answer 1 · 2019-02-07T10:55:37Z

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Answer by aquamarine · Feb 07 at 10:55 AM

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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Answer 2 · 2019-02-07T10:52:07Z

Answer by david_r · Feb 07 at 10:52 AM

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

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aquamarine · Feb 07 at 04:04 PM 0

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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 aquamarine · Feb 07 at 04:35 PM 0

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

Microstation DGN v8 igds_type does not set curves

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