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How to simplify polyline

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Message 1 of 10
Anonymous
31059 Views, 9 Replies

How to simplify polyline

Anonymous
Not applicable

Hello!

I have a problem with too many vertices on a 2d object. I want to lower down the number of vertices but still keep approximately the same shape.

File in the attachmentZajeta slika.PNG

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How to simplify polyline

Hello!

I have a problem with too many vertices on a 2d object. I want to lower down the number of vertices but still keep approximately the same shape.

File in the attachmentZajeta slika.PNG

9 REPLIES 9
Message 2 of 10
Patchy
in reply to: Anonymous

Patchy
Mentor
Mentor

Message 3 of 10
Kent1Cooper
in reply to: Patchy

Kent1Cooper
Consultant
Consultant
Accepted solution

@Patchy wrote:

This will do

http://cadtips.cadalyst.com/linear-objects/polyline-diet


 

Thanks for the recommendation [that's my PLDIET.lsp routine].  The PLD command there does this to that shape, given a maximum distance to straighten of 50 and accepting defaults for the rest, reducing it from 368 vertices to 82:

PLD.PNG

If that turns out kinkier than you want in areas of tigher curvature, use a smaller number than 50.

Kent Cooper, AIA


@Patchy wrote:

This will do

http://cadtips.cadalyst.com/linear-objects/polyline-diet


 

Thanks for the recommendation [that's my PLDIET.lsp routine].  The PLD command there does this to that shape, given a maximum distance to straighten of 50 and accepting defaults for the rest, reducing it from 368 vertices to 82:

PLD.PNG

If that turns out kinkier than you want in areas of tigher curvature, use a smaller number than 50.

Kent Cooper, AIA
Message 4 of 10
Anonymous
in reply to: Kent1Cooper

Anonymous
Not applicable

Thanks! 

This really did the job and you can also decide how detailed is your object gonna be

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Thanks! 

This really did the job and you can also decide how detailed is your object gonna be

Message 5 of 10
Kent1Cooper
in reply to: Patchy

Kent1Cooper
Consultant
Consultant

@Patchy wrote:

This will do ....


... updated version >here<.

Kent Cooper, AIA
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@Patchy wrote:

This will do ....


... updated version >here<.

Kent Cooper, AIA
Message 6 of 10
cgh6VFSY
in reply to: Kent1Cooper

cgh6VFSY
Explorer
Explorer

The link above is dead and the second link only takes me to the autodesk forum. Given how slow autocad is with polylines/splines it would be great if this could get sorted in one single software rather than fixing it elsewhere and import it back in.

The link above is dead and the second link only takes me to the autodesk forum. Given how slow autocad is with polylines/splines it would be great if this could get sorted in one single software rather than fixing it elsewhere and import it back in.

Message 7 of 10
pendean
in reply to: cgh6VFSY

pendean
Community Legend
Community Legend

@cgh6VFSY wrote:

The link above is dead and the second link only takes me to the autodesk forum. Given how slow autocad is with polylines/splines it would be great if this could get sorted in one single software rather than fixing it elsewhere and import it back in.


https://cadtips.cadalyst.com/linear-objects/polyline-diet

pendean_0-1710255969594.png

 

https://forums.autodesk.com/t5/autocad-forum/reduce-polyline-points/m-p/8520844#M963796

pendean_1-1710256016432.png

 

 


@cgh6VFSY wrote:

The link above is dead and the second link only takes me to the autodesk forum. Given how slow autocad is with polylines/splines it would be great if this could get sorted in one single software rather than fixing it elsewhere and import it back in.


https://cadtips.cadalyst.com/linear-objects/polyline-diet

pendean_0-1710255969594.png

 

https://forums.autodesk.com/t5/autocad-forum/reduce-polyline-points/m-p/8520844#M963796

pendean_1-1710256016432.png

 

 

Message 8 of 10
Kent1Cooper
in reply to: cgh6VFSY

Kent1Cooper
Consultant
Consultant

Cadalyst CAD Tips are currently not downloadable, and I've told them about it, and they say they're working on it.  I don't know why the other link doesn't go to a specific message, other than the vagaries of the passage of time, but in any case, here's the routine.

Kent Cooper, AIA
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Cadalyst CAD Tips are currently not downloadable, and I've told them about it, and they say they're working on it.  I don't know why the other link doesn't go to a specific message, other than the vagaries of the passage of time, but in any case, here's the routine.

Kent Cooper, AIA
Message 9 of 10
pascal
in reply to: Anonymous

pascal
Observer
Observer

does PLDiet work on  3DPolylines in AutocadLt? I'm struggling with a survey plan that is way too detailed to import into sketchup

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does PLDiet work on  3DPolylines in AutocadLt? I'm struggling with a survey plan that is way too detailed to import into sketchup

Message 10 of 10
pascal
in reply to: pascal

pascal
Observer
Observer

sorry finally found a super simple solution from these guys.. you just have to sign up but it's free and it worked instantly. 

https://esurveying.net/free-lisp/reduce-polyline-vertices

 

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sorry finally found a super simple solution from these guys.. you just have to sign up but it's free and it worked instantly. 

https://esurveying.net/free-lisp/reduce-polyline-vertices

 

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