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Re: [idvusers] Using shape files with Texas state plane projection

Roderick-
In general, the IDV supports shapefiles with lat/lon values or a limited number of projections. For the prj file to be read, it should be in a zip file with the shp, idx, and other files. If just have the files on disk, try zipping them up together in one file.
Even so, I suspect the shapes will be slightly off unless all the parameters in the PARAMETER section define the texas state plane completely. 

Don

On 11/20/12 3:53 PM, Roderick Pearson wrote:

All,
I am attempting to overlay some data on maps produced by our regional mapping 
authority.  When I open the files in IDV I only have a line.

How do I get IDV to recognize this file, if possible?

I have been working with the projection setting but nothing has worked.  I am 
assuming this projection is not one IDV can ingest.


http://www.pdnmapa.org/HTML/about.html

The maps are shapefiles.  Here is the info from the .prj file

PROJCS["NAD_1983_StatePlane_Texas_Central_FIPS_4203_Feet",
GEOGCS["GCS_North_American_1983",
DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],
PRIMEM["Greenwich",0.0],
UNIT["Degree",0.0174532925199433]],
PROJECTION["Lambert_Conformal_Conic"],
PARAMETER["False_Easting",2296583.333333333],
PARAMETER["False_Northing",9842500.0],
PARAMETER["Central_Meridian",-100.3333333333333],
PARAMETER["Standard_Parallel_1",30.11666666666667],
PARAMETER["Standard_Parallel_2",31.88333333333333],
PARAMETER["Latitude_Of_Origin",29.66666666666667],
UNIT["Foot_US",0.3048006096012192]]

Thanks
Roderick
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--
Don Murray
NOAA/ESRL/PSD and CIRES
303-497-3596
http://www.esrl.noaa.gov/psd/people/don.murray/
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