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Thread: Maps
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05-17-2012, 09:12 PM #1
Maps
So I've been making alot of maps recently and I'm curious, does anyone else use the 2010 USGS 7.5 Quads to make their maps? These maps have topo lines overlaying a satellite image.
I find the 2010 quads more useful than traditional style topo maps because you can see the color of the landscape. Some people who I canyoneer with dislike the maps because they find it hard to see the topo lines.
Any thoughts?
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05-17-2012 09:12 PM # ADS
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05-18-2012, 07:47 AM #2
I just recently used them to make my own maps for upcoming trips using Adobe Illustrator. I imported the .pdf version of the maps to retain all the vector information. This also allowed the color sat. image to import as a bitmap layer. Two of my maps were created by "stitching" together several quads, as the area I wanted to hike fell on and off their adjoining boarders. I then changed the transparency of the sat. image layer so the topo info was more dominant, yet at a level where you could still use the color info as an additional visual cue. Then all that's left was to scale my new map to print at the size I wanted. They came out great.
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05-18-2012, 08:19 AM #3
In the first image, it's too busy. By adjusting the transparency on the layers your able to get a better visual, especially when your dealing with brown contours over a desert landscape.
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05-18-2012, 11:27 AM #4
How when where are you purchasing these maps?
Tom
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05-18-2012, 05:26 PM #5
Tom, I download mine for free at the USGS map locate/download center. They're PDF files that are usually around 21mb.
http://store.usgs.gov/b2c_usgs/usgs/...&uiarea=2)/.do
and Schrods, that second map looks perfect, I'm gonna try that, thanks.
-Sam
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