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pretty flow lines in illustrator?

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#1
Tim Stallmann

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Hey all -- I'm working on a map of continent-to-continent flows of migration, and want to represent the flows using sized arrows between the continents... What I'd really like to do to make it look nice is to have the total flow coming off each continent start off as one very thick line, and then break up into sub-lines (sort of like this chart http://www.cartotalk...amp;mode=linear ). I can do it manually, of course, but I'm having trouble aligning the curvature of the flow lines at their endpoints so that it looks like one thicker line naturally splitting apart. Anyone out there have experience doing this? Are there any tricks to getting the curvatures to line up or do I just need to do it visually?

Thanks!

#2
sitesatlas

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Just an idea: have you looked at the tool for making railroad tracks (Trackplan Tools) at the Graffix website? It might be useful...
Michael Borop
World Sites Atlas
http://www.sitesatlas.com

#3
Tim Stallmann

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In case anyone was following this, I ended up using Circos (http://mkweb.bcgsc.ca/circos/) to do the scaling and flow-line drawing for me... restricted the product to a circle map, but worked for our purposes.

-Tim

#4
Adam Wilbert

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thanks for the link to Circos, it looks like an interesting visualization tool.

Adam Wilbert
CartoGaia.com & AdamWilbert.com
Lynda.com author of "Up and Running with ArcGIS"





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