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Author Topic: subway maps  (Read 885 times)
gemlog
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« on: December 30, 2011, 10:45:51 PM »

If you don't know about them, the guy who invented the London subway map was a genius and has been copied around the world. His idea was to decouple map scale from the pure relationships between the routes in order to show them more compactly and intuitively to the users.

http://en.wikipedia.org/wiki/Tube_map

I have thought of an application for such a map, but didn't know how to draw one with inkscape and I've been putting it off for over a year :-( Truly, I'm not an artist and always fall back to gimp to get things done, since I already know how to use it.

Well, tonight after I came back from skiing I was finally motivated enough to want to build that 'tube map' of the trails. My real need is to be able to recolour the maps easily from the pure text svg files.

I poked around and settled on the pen tool after trying out the connector tool. It took me a while to find ctrl+shift+F and P, but I did in the end. I guessed at holding down various keys while I drew to try and constrain the angle (because I know other things that work that way, gimp, libreoffice draw et al.).

In the end, after only messing about for about a half hour or so...

It's like Inkscape is BUILT to draw tube maps! :-) I'm very happy!

- choose the pen tool and set the stroke width and colour
- click and then press and hold the control key to restrain your angles while you draw
- press the control key and THEN click to make a dot x-times the size of the pen line (genius)

Wow! I have far to go in getting info from various maps, but I now know I can represent them (and manipulate their vars easily) from inkscape svg files.

Just about to start on how many nodes I need...

;-)
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Jaws
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« Reply #1 on: December 31, 2011, 07:52:10 AM »

I poked around and settled on the pen tool after trying out the connector tool. It took me a while to find ctrl+shift+F and P, but I did in the end. I guessed at holding down various keys while I drew to try and constrain the angle (because I know other things that work that way, gimp, libreoffice draw et al.).

In the end, after only messing about for about a half hour or so...

That's great. Don't forget you can always look at the very bottom of the Inkscape window for clues as to what you can do with each tool as you draw.

Also the default angle constrain with the Ctrl key is 15 degrees which can be changed in Inkscape Preferences > Steps > Rotation snaps every:___ degrees.
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gemlog
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« Reply #2 on: December 31, 2011, 09:47:34 AM »

Quote
Also the default angle constrain with the Ctrl key is 15 degrees which can be changed in Inkscape Preferences > Steps > Rotation snaps every:___ degrees.
Thanks jaws. Maybe I should set it to 45 to reduce my temptation to mirror the true shapes of the trails more closely ;-)
Lots of new knobs and dials to learn...
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