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Problem importing a geometry

mgreco

Dear all,

I'm having trouble importing a blade geometry by using a .igs format file.

FIRST TRY:  Import mode - import geometry and keep the original geometry definition, I'm obtaining the following warnings:

-There are 1 untessellated surfaces out of 1 surfaces

-The imported geometry es empty. This is probably a failure during import

-The imported geometry lies outside [-500m;+500m]. Please consider scaling the geometry

And the import fails.

SECOND TRY: Import mode - Import geometry and tessellate:

- With this method I can import the geometry but when I try to assign the blade surface to the Main blade I obtain the following error:

--Selected entities CAD format is not supported in AutoGrid5

- The measure tool shows that the geometry does not lies outside [-500m;+500m] as reported on the first try.

THIRD TRY: I converted the .igs file in other formats (.step, .stl, .cgr, .3dxml) by using a CAD.

- I can import the geometry without warnings using any of these formats, but I always obtain the error of the second try (Selected entities CAD format is not supported in AutoGrid5) when I set the blade surface to the Main blade.

Does anyone have any idea how I can fix this?

Thank you

Parents Reply
  • +1 in reply to mgreco

    Hi Michele,

    Let's try to figure out what's happening!

    IGS files often have a few issues; it's an old format that sometimes struggles to store the CAD features properly. If you can move to a *.step format, you will benefit from a more stable and complete open format.

    The other limitations you found are related to the size of the CAD: units are generally not included in the file, and the kernel we use to import CAD files doesn't accept geometries larger than 1000 "units".

    For example, if you have a geometry larger than 1000mm, it's better to scale it to meters and import it again.

    The last warning you got is related to the type of file: Autogrid can't import an STL file.

    Let me know how it goes!

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