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| Subject: | FW: [gislist] Polyline to point conversion |
| Date: |
02/25/2005 10:35:01 AM |
| From: |
Richard Nicoll |
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Many thanks to Ryan Garnett and Chad Nielsen, who sent a script which does = exactly what I was looking for - cheers!
- Rich Nicoll
-----Original Message----- From: Chad.M.NIELSEN@odot.state.or.us [mailto:Chad.M.NIELSEN@odot.state.or.us] Sent: 25 February 2005 15:50 To: Richard Nicoll Subject: RE: [gislist] Polyline to point conversion
Hello Richard,
I have attached a script I use for building 'nodes' from a polyline shapefile. Each node gets a unique ID. Fnode and Tnode fields are added to the shapefile and populated with the corresponding node ID. The result is a dbf file that includes X and Y coordinates so that you can build the points as an event theme.
Good Luck!,
Chad M. Nielsen GIS Analyst ODOT Geographic Information Services Unit (503) 986-3163 chad.m.nielsen@odot.state.or.us
-----Original Message----- From: Richard Nicoll [mailto:RichardNicoll@CasellaGroup.com]=20 Sent: Friday, February 25, 2005 7:43 AM To: gislist@lists.thinkburst.com: arcview@lists.directionsmag.com Subject: [gislist] Polyline to point conversion
Hi All,
I am looking for a script/tool to extract the start and end coordinates of all objects in a polyline shapefile.
I have found an avenue avx which converts all vertices into points, however I am only interested in the start and end points of each polyline, and do not need the intermittent points.
Does anyone know where I can find such a tool, preferably an avenue script?
Many thanks
- Rich Nicoll
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--------------------------------------------------------------------- The information in this e-mail (which includes any file attachments)=20 is confidential and intended solely for the use of the individual to=20 whom it is addressed. Copyright in this e-mail and any document=20 created by us will be and remain vested in us and will not be=20 transferred to you. We assert the right to be identified as the author=20 of and to object to any misuses of the content of this e-mail or such=20 documents. The Casella Group Ltd (or any associated company) will=20 not be liable for direct, special, indirect or consequential damages=20 arising from alteration of the contents of this message by a third party=20 or as a result of any virus being passed on. Should you wish to use=20 e-mail as a mode of communication, The Casella Group Ltd is unable=20 to guarantee the security of e-mail content outside our own computer system.
If you are not the intended recipient, be advised that you have received th= is=20 e-mail in error and that any use, dissemination, forwarding, printing or co= pying=20 of this e-mail is strictly prohibited. Please return this e-mail to sender indicating that it has been sent in error, delete it from your system=20 and destroy any hard copies. --------------------------------------------------------------------- The Casella Group Limited. Reg
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