Hello,
I have 3D linestrings representing the running edges of a railway line.
I would like to turn them into 3D rails.
BUT My linestrings have too many vertices - I would like to reduce to about a third the number of vertices.
AND extruding the rail profile along the linestrings takes for ever and makes the file unmanageable (solid by extrusion)
Can anybody help me ?
Three things :
Reducing vertices in linestring.
Modeling rails - is extrusion the correct way to go ?
General advice about modelling railway track.
Thanks
Hi Fraser,
Just to double-check: are you using AECOsim Building Designer? The reason I ask is that it wouldn't necessarily be as well suited to railway modeling compared to something like OpenRail: https://www.bentley.com/en/products/brands/openrail
Hi Steve,
Thanks for the reply.
AECOsim Building Designer V8i (ss6) 08.11.09.866.
Steve, please do not be offfended, but I have to tell it like it is.
I have been using Microstation for over 25 years and I am educated to university degree level.
Because I work in isolation, it is virtually impossible for me to learn anything new in Microstation or AECOsim, never mind learning a whole new
program.
So can you describe to me how I would use Open Rail to model railway tracks never having used Open rail before ?
Or let's try something simpler : Describe to me how I can find instructions to reduce the number of nodes in a linestring ? Which to me seems a fairly reasonable request.
Don't tell me how to do it ! Tell me how to find instructions how to do it. Bet you can't.
All the best,
Fraser
And another thing. How can I get support without being at the mercy of this community ?
Your take on it, I am sure, will differ dramatically from mine.
You have replied to my question but you have not answered it.
Who else will reply ? Who knows ?
fg
Hey. How about this.
Can you send me a link to a video of somebody modeling a piece of railway track in AECOsim ?
Hello Fraser,
Try this method to remove vertices from a linestring: https://communities.bentley.com/products/microstation/w/microstation__wiki/22208/remove-collinear-points-or-vertices
You don't have to turn on the copy setting in the Tool Settings.
I see in your subsequent post you are in V8i Ss6. Solid by Extrusion would be the tool I would use. In CONNECT Edition we have a place profile tool, which of course doesn't help in V8i Ss6.
Maybe after the vertices are minimized the extrusion method doesn't take so long and make the file size unmanageable.
This might be overkill but a linear form could be modeled, basically a rectangular form, and then create a shape or linestring of the 'negative space' of the profile of the rail shape. Then use the Cut Solids by Curve tool to 'sculpt' the rail shape out of the linear form.
I'll post a video.