I think you got the picture correct. I have two parallel lines I'd like to snap together with relatively sparse nodes/verticies.
I think I'm more comfortable with densifing the lines and using the snapper, but thanks for verifing that there isn't something simple I'm missing... Take care, Mark C. --- In [email protected], "mark2atsafe" <[EMAIL PROTECTED]> wrote: > > Hi Mark, > I think (if I am visualizing this correctly) that you're coming up > against a weakness of FME, that we can't yet snap to a line unless a > vertex exists to snap to. > > It's tough to find an alternative solution w/o having data to try it > on. The one transformer I found that works on a tolerance for > points/lines is the PointOnLineOverlayer. You could try dropping one > of the lines to points using a Chopper then run everything through a > PointOnLineOverlayer. This will give you extra vertices at the > required points, and you can now run this and an unchopped copy of the > second line through the Snapper. > > Hope this helps. I'll pass your question around the Pro Services team > here to see if anyone else has some better suggestions. > > Regards, > > Mark > > Mark Ireland, Senior Product Specialist > Safe Software Inc. Surrey, BC, CANADA > [EMAIL PROTECTED] http://www.safe.com > Solutions for Spatial Data Translation, Distribution and Access > > > --- In [email protected], "cumpston_mark" <cumpston_mark@> wrote: > > > > The nodes/verticies aren't close relative to > > the distance between the lines. The lines are > > actually less than one ground unit apart and the > > verticies/nodes are around 1000 units apart. > > > > Thanks for the help, > > Take care, > > > > Mark C. > > > > --- In [email protected], Hans van der Maarel <hans@> wrote: > > > > > > cumpston_mark wrote: > > > > > > > > > > > > I am trying to clean up a DGN dataset in order > > > > to build polygon features out of lines. > > > > > > > > I have a case where two lines overlap for a section > > > > near their ends and run parallel to each other. I > > > > would like to figure out how to snap these lines > > > > together to form one continuous line. > > > > > > > > Lets say they are 1 unit distance apart...their > > > > verticies/nodes are say 1000 units apart so the > > > > Snapping Factory doesn't do anything to them > > > > (for any reasonable size snapping distance). > > > > > > > > They don't intersect so the Intersector ignores > > > > them. > > > > > > > > I could densify them to 1 unit and then try to > > > > snap them, but this seems kind of ugly and slow. > > > > > > > > Is there a more elegant solution that I'm missing? > > > > > > Probabely not. > > > > > > Aren't the vertices somewhere near eachother? If they are, a > > Snapper or > > > AnchoredSnapper may do the trick. > > > > > > If they're not, the only reliable option is to densify and then > > snap them. > > > -- > > > Hans van der Maarel > > > Red Geographics > > > > > > Zevenbergsepoort 44b www.redgeographics.com > > > 4791 AE Klundert hans@ > > > The Netherlands phone: +31-168-401035 > > > > > > For insights into what's up at Safe Software and what's on the development horizon, visit Safe's blog at spatial-etl.blogspot.com. Safe Software has also made slides available that outline enhancements planned for FME 2007. The slides are from the "Road Ahead" presentation given on Day 2 of the FME Worldwide Users Conference. To view these slides, visit www.safe.com/2006uc. Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/fme/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/fme/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
