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georeferencing shapefiles (or vectorfiles)   pieter van turnhout Feb 10, 2010
Re: georeferencing shapefiles (or vectorfil...   Saqib Mehmood Feb 11, 2010
Re: georeferencing shapefiles (or vectorfil...   pieter van turnhout Feb 11, 2010
Re: georeferencing shapefiles (or vectorfil...   pieter van turnhout Feb 11, 2010
Re: georeferencing shapefiles (or vectorfil...   Saqib Mehmood Feb 11, 2010
Re: georeferencing shapefiles (or vectorfil...   Jim Barry Feb 12, 2010
Re: georeferencing shapefiles (or vectorfil...   pieter van turnhout Feb 12, 2010
Re: georeferencing shapefiles (or vectorfil...   Jim Barry Feb 16, 2010
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Subject georeferencing shapefiles (or vectorfiles) 
Author pieter van turnhout 
Date Feb 10, 2010 
Message Hi!

Does anybody knows how I have to georeference a shapefile (which I made by myself)?. It's easy to georeference a rasterfile (via the setup 'georeferencing') but it doesn't work with the shapefiles...

Can anybody help me?
thanks!
Pieter 
   
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Subject Re: georeferencing shapefiles (or vectorfiles) 
Author Saqib Mehmood 
Date Feb 11, 2010 
Message Shapefiles do not need to be geo-reference, you just need to specify the coordinate system for your data. And the vector data residing in the shapefile will automatically use that coordinate system.

Geo-Referencing is only used for Raster data, that do not have a location (lat,lon/x,y) associated data. 
  Saqib Mehmood
saqibqureshi@gmail.com 
   
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Subject Re: georeferencing shapefiles (or vectorfiles) 
Author pieter van turnhout 
Date Feb 11, 2010 
Message Thank u for the quick reaction, but I got a shapefile, and I'd like it to replace it to another place... to the place of another georeferenced file.
Is it possible to replace it quickly?

thx 
   
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Subject Re: georeferencing shapefiles (or vectorfiles) 
Author pieter van turnhout 
Date Feb 11, 2010 
Message Or is it possible to turn a rasterfile into a shapefile? 
   
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Subject Re: georeferencing shapefiles (or vectorfiles) 
Author Saqib Mehmood 
Date Feb 11, 2010 
Message You cannot transfer shapefile containing data of one location to any other location. 
  Saqib Mehmood
saqibqureshi@gmail.com 
   
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Subject Re: georeferencing shapefiles (or vectorfiles) 
Author Jim Barry 
Date Feb 12, 2010 
Message To transform a shapefile from one coordinate system to another first requires that the shapefile have projection metadata. In other words, your shapefile has shp/shx/dbf files. Does it also have an associated *.prj file?

 
   
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Subject Re: georeferencing shapefiles (or vectorfiles) 
Author pieter van turnhout 
Date Feb 12, 2010 
Message I think I solved the problem (on my own way): I just imported the raster (of the same file as the shapefile) and I georeferenced it. Then I transformed it into a shapfile 
   
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Subject Re: georeferencing shapefiles (or vectorfiles) 
Author Jim Barry 
Date Feb 16, 2010 
Message >on my own way

Oh yes, that's your own way alright.

On the one hand, I can see how that does work to some very coarse degree. But I cannot imagine ever recommending that to someone as a reasonably viable solution. You will lose some degree of data accuracy following such a workflow.

If you have a shapefile that does not have a .prj file, AND you want to convert that shapefile into a different projection or coordinate system, you can use ArcCatalog and its Toolbox for doing so.

In ArcCatalog, right-click the shapefile and select "Properties". Then on the "XY Coordinate System" tab, use the "Select", "Import", or "New" buttons to assign to the shapefile a description of its projection and coordinate system. Good chance that most of the time the "Select" button is fine.

The "Project" tool allows you to create a new output shapefile that is transformed into some different projection and coordinate system.
 
  transform.jpg (opens in new window)