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| Subject: | RE: [gislist] GPS for capturing street centerline data |
| Date: |
11/14/2003 07:30:00 AM |
| From: |
Ted Cisine |
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We use GPS in vehicles to capture centerlines and feel it is the best way (our maps are 1:100 to 1:400). I have never done it at 1:50000 but I still think GPS would be the easiest way to capture and you will have clean, accurate data to use if you ever need to do something else with the data.
Ted
_____________________________ Ted Cisine GIS Manager Robeson County Tax Administration Lumberton, North Carolina ted.cisine@co.robeson.nc.us _____________________________
-----Original Message----- From: gislist-bounces@lists.geocomm.com [mailto:gislist-bounces@lists.geocomm.com]On Behalf Of SRG Sent: Thursday, November 13, 2003 10:30 PM To: gislist@lists.thinkburst.com Subject: [gislist] GPS for capturing street centerline data Importance: High
Sorry to post this one more time. Does anyone have any ideas/ suggestions Thanks for your time SRG _______________________________________ R A G H A V E N D R A N . S GIS Analyst @__^12.98N__>77.58E ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++ I have been analysing the pros and cons of going for a GPS survey to capture the highway centerline data.(+/- 3m accuracy) The project is basically to create a base map of the state highways from the available departments maps (usually 1:50000 scale). The next item would be to perfect the centerline data captured on the digital maps with the information collected from the GPS survey (by driving along the state highways with a GPS fitted vehicle). My question is simple: The GPS data captured will be so accurate, reflecting every small curve on the highway again depending on the interval at which the GPS data is captured. How rational it would be to use/ integrate this data on a map of 1:50000 scale? Thanks SRG
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