[Shapelib] Shapefile creation

[David.Gancarz at ci.orlando.fl.us]

To add yet another way to do this, there is a sample program in 
http://dl.maptools.org/dl/shapelib/contrib/ MapToolsArchive.zip that does 
what you have described, only it gets the xy values from a SqlServer 
database.  It would be easy enough to stream data in from a file instead. 
It is in c#.

btw, the boilerplate text about Florida's public records law is a new 
directive from our legal department --- don't blame me :-(

Hope this helps,
David Gancarz

Florida has a very broad public records law.  As a result, any written 
communication created or received by City of Orlando officials and 
employees will be made available to the public and media, upon request, 
unless otherwise exempt.  Under Florida law, email addresses are public 
records.  If you do not want your email address released in response to a 
public records request, do not send electronic mail to this office. 
Instead, contact our office by phone or in writing.




<Mike.Sexton at ga.gov.au> 
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10/30/2006 11:31 PM
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[Shapelib] Shapefile creation






Hi,
 
For some time I have been wondering how one produces shapefiles from 
scratch and have found it very difficult to find relevant information
I have numerous files of X,Y data that describe points, lines and polygons 
that I wnt to capture as shapefiles.
 
Fortunately I found  the shapelib pages
 
I downloaded the shapelib tar file and shocked myself when the make 
worked.
 
I have been able to make some simple shapefiles by following the 
instructions, and I am now wondering how I can use my X,Y files.
 
For example: shpadd testfile.shp 10.0 1.0 20.0 2.0 30.0 3.0, works fine
 
but I want to load an X,Y file containing 1000?s of point into the 
shapefile. I just cant see how to stream the coordinates into the ahpadd 
program
 
Any advice would be greatly appreciated
 
 
Thanks
Mike Sexton
Geoscience Australia_______________________________________________
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