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MECODER
Posts: 2
Registered: ‎02-08-2014
Message 1 of 4 (208 Views)
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Catch entities which intersected with a polyline

208 Views, 3 Replies
02-09-2014 02:46 AM

Hi All,

I have good experince with VB.Net, But i am new in prgramming for Autocad .

I had wrote code that catch all polylines on drawing, but now i have a  problem, i need to catch that entities (blocks in my case) which intersected  with each polyline.

any help please.

Thank you in advance.

Mentor
mzakiralam
Posts: 230
Registered: ‎11-09-2012
Message 2 of 4 (192 Views)

Re: Catch entities which intersected with a polyline

02-09-2014 03:51 AM in reply to: MECODER
Hi , to get intersection point between to entities you have to use 'entity.IntesectWith' function. With this function, you can get intersecting point. if for an entity if you get intersection point , you can add that entity in your list or array. you can have a look on below link where you can find how intersection point can be found between 2 entities.

http://forums.autodesk.com/t5/NET/Find-intersection-point-of-two-lines/m-p/4769671#M38812
New Member
MECODER
Posts: 2
Registered: ‎02-08-2014
Message 3 of 4 (163 Views)

Re: Catch entities which intersected with a polyline

02-09-2014 09:33 PM in reply to: mzakiralam

Thank you very much Mr. mzakiralam
This is good try.
I know how to get intersection points using (IntersectWith) function, My problem is how to specify the type of the entity that intersects with the polyline.

Mentor
mzakiralam
Posts: 230
Registered: ‎11-09-2012
Message 4 of 4 (155 Views)

Re: Catch entities which intersected with a polyline

02-10-2014 01:22 AM in reply to: MECODER

 entity.GetType() will help you to get entity type. you can also use below function.

 

Dim ent as entity = transaction.GetObject(ObjectId, OpenMode.Write)

 

If TypeOf ent is Polyline

 

'do as you want

 

End If

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