Selecting polylines based on known coordinates

[Anonymous]

Hi all,

Is there a possibility of selecting POLYLINEs based on the vertex coordinates like that is possible for lines as (ssget "x" (list (cons 10 somepoint)(cons 0 "LINE")))?

This syntax DOES NOT work to get the vertex with known coordinates
(SSGET "X" (LIST (cons 10 somepoint)(CONS 0 "VERTEX")))
Then what else will get the polylines with a known vertex except (ssget "c" somepoint somepoint)?

Any help from anyone is greatly appreciated.

Thanks,

MNRaghu

[Anonymous]

Suggestion: Use a filtered crossing window selection rather than an "x" selection
with both points of the crossing window being the vertex.


"RaghuMN" wrote in message news:f1969cf.-1@WebX.maYIadrTaRb...
> Hi all,
> Is there a possibility of selecting POLYLINEs based on the vertex coordinates like that
is possible for lines as (ssget "x" (list (cons 10 somepoint)(cons 0 "LINE")))?
> This syntax DOES NOT work to get the vertex with known coordinates
> (SSGET "X" (LIST (cons 10 somepoint)(CONS 0 "VERTEX")))
> Then what else will get the polylines with a known vertex except (ssget "c" somepoint
somepoint)?
> Any help from anyone is greatly appreciated.
> Thanks,
> MNRaghu

[Anonymous]

Watch out for splined or bulged vertices. They are gotchas! -David

RaghuMN wrote:
> Hi all,
>
> Is there a possibility of selecting POLYLINEs based on the vertex coordinates
> like that is possible for lines as (ssget "x" (list (cons 10 somepoint)(cons 0
> "LINE")))?
>
> This syntax DOES NOT work to get the vertex with known coordinates
> (SSGET "X" (LIST (cons 10 somepoint)(CONS 0 "VERTEX")))
> Then what else will get the polylines with a known vertex except (ssget "c"
> somepoint somepoint)?
>
> Any help from anyone is greatly appreciated.
>
> Thanks,
>
> MNRaghu

[Anonymous]

David (and also Doug)

My requirement is to catch even simple polylines, without spline or bulge. Is it really not possible to get such a selection?

As Doug Broad mentioned in his suggestion, I do not want to catch features from screen, but direct from database.

Any more suggestions?

Thanks,

MNRaghu