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| Subject: | [gislist] schematics for scale-independent data |
| Date: |
12/08/2005 12:35:01 PM |
| From: |
Dupler, Phillip |
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I'm interested in public opinions regarding the issue of using an extension like ESRI's Schematics to produce detailed maps at 1:2400 scale from GPS'd utility network data vs. just simply drawing and storing the features such that everything appears clear and connectivity is understandable at 1:2400 scale. We're dealing here of course with the age-old problem of having to space things apart so that symbols and lines don't overlap or blend together on a paper map. I'm looking at two options, either edit our GPS'd data for map clarity at scale and later write/purchase some utility that would "snap" the network back to the "real" GPS coordinates and feature lengths (stored as attributes) when we need to view it that way (this was the option chosen when we started the project and before Schematics was available), OR given this new technology, leave the network drawn exactly as it was GPS'd and generate these schematic geo-diagrams for publication as maps. From an initial review, the extension has some pretty cool tools for generating that spacing, rotating symbols, etc, but its not real intelligent, so it seems nearly the same amount of editing either way. I don't think that publishing scale-dependant maps from scale-independant data was really the intended use of the extension, but it appears to have that capability. I realize that not many people have had a chance to implement or even test Schematics yet so regardless if you don't have direct experience, if conceptually you see problems with doing things this new way or benefits, then I'd appreciate the input.
Phil Dupler
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