topic Re: Create Regions in .NET Forum

Create Regions

ashrafa33 — Sun, 29 Oct 2023 07:55:49 GMT

I have more than 1000 polyline

when icreate REGION using regions = Region.CreateFromCurves(curves);

i get "Autodesk.AutoCAD.Runtime.Exception: eInvalidInput"

how i can Know where is my error

i want to know where i have open region or self-intersection

i think it is open or self-intersection less than 0.001 m

i wnat to find this point

Re: Create Regions

hosneyalaa — Sun, 29 Oct 2023 12:22:33 GMT

@ashrafa33

try

try { /// code } catch (Autodesk.AutoCAD.Runtime.Exception ex) { }

https://forums.autodesk.com/t5/net/region-from-3d-polyline/m-p/10759703

Re: Create Regions

ashrafa33 — Mon, 30 Oct 2023 07:14:37 GMT

i try it before

try catch give me

Autodesk.AutoCAD.Runtime.Exception: eInvalidInput at
Autodesk.AutoCAD.DatabaseServices.Region.CreateFromCurves(DBObjectCollection
curveSegments)
at select.Select_Polylines.region_create() in .................:line 1050

it dose not give me where it is open or self-intersection

Re: Create Regions

ashrafa33 — Mon, 30 Oct 2023 07:22:03 GMT

my polylines was arcs & line i convert them polylines list

to delete duplicted and laping items then i try to make region

so they are not closed polylines

Re: Create Regions

hosneyalaa — Mon, 30 Oct 2023 07:51:23 GMT

@ashrafa33

to get closed poyline

try

https://forums.autodesk.com/t5/net/why-segment-of-curves-created-by-region-boundary-is-missing/m-p/10757146

Re: Create Regions

ashrafa33 — Mon, 30 Oct 2023 10:10:15 GMT

the above post did not help me

any ideas

Re: Create Regions

ashrafa33 — Mon, 30 Oct 2023 10:14:32 GMT

Re: Create Regions

hosneyalaa — Mon, 30 Oct 2023 10:27:58 GMT

Try to join lines and arc Get polyline through Comment join

Does it work?

You must attached example drawing

And some code

Maybe you have a double in vertex ?

Re: Create Regions

SENL1362 — Mon, 30 Oct 2023 11:12:46 GMT

Maybe you have a double in vertex ?

Or arc's where the Tangents do not match the other end.

Seen these errors a lot for imported DXF files where the tangents of the rounded corners of rectangles have small rounding error (e.q. 89.9999 degrees).

Solution: Move these open endpoints en then move them back to the closing point.