One thing you can do is add a property file of additional "custom"
definitions to your application. This is how GeoServer and uDig support
more codes then are strictly official.
see
http://docs.geotools.org/latest/userguide/library/referencing/extension.html
Jody Garnett
On Thu, Mar 6, 2014 at 1:49 AM, Thomas Evans <thomasjevan...@gmail.com>wrote:
> Unfortunately it is not included, I attempted that prior to decoding the
> PRJ directly. I am also working with "EPSG:54026" which was unable to be
> decoded aswell.
>
>
> On Wed, Mar 5, 2014 at 7:31 AM, Jody Garnett <jody.garn...@gmail.com>wrote:
>
>> Good you got it to work.
>>
>> One thing I do to figure stuff out is look at the
>> http://spatialreference.org website. It lets you compare things
>> (including the PRJ definition).
>>
>> Searching that website there is only one hit for "World_Robinson":
>>
>> http://spatialreference.org/ref/esri/54030/
>>
>> This means you could look up the GeoTools definition using
>> CRS.decode("EPSG:54030"). However it does not look to be an "official" EPSG
>> code so we may not have it :)
>>
>>
>> Jody Garnett
>>
>>
>> On Wed, Mar 5, 2014 at 1:51 PM, Thomas Evans <thomasjevan...@gmail.com>wrote:
>>
>>> Thanks for the response Jody! I was able to work past previously doing
>>> exactly as you suggested with one caveat. It was unable to read/understand
>>> the False_Northing and False_Easting parameters so I had to remove these,
>>> but feel like that was a safe change since in both the CRS used in my
>>> project they are 0.0. Any thoughts on this?
>>>
>>>
>>> On Tue, Mar 4, 2014 at 6:50 PM, Jody Garnett <jody.garn...@gmail.com>wrote:
>>>
>>>> Looks like you have a PRJ file:
>>>>
>>>> PROJCS["World_Robinson",GEOGCS["GCS_WGS_1984",DATUM["
>>>> D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]
>>>> ],PRIMEM["Greenwich",0.0],UNIT["Degree",0.
>>>> 0174532925199433]],PROJECTION["Robinson"],PARAMETER["False_
>>>> Easting",0.0],PARAMETER["False_Northing",0.0],
>>>> PARAMETER["Central_Meridian",0.0],UNIT["Meter",1.0]]
>>>>
>>>> If you would like to check if GeoTools can understand your PRJ file you
>>>> can uses CRS.parseWKT( String ) method.
>>>>
>>>> There are examples here:
>>>> http://docs.geotools.org/stable/userguide/library/referencing/crs.html
>>>>
>>>> Jody Garnett
>>>>
>>>>
>>>> On Wed, Mar 5, 2014 at 10:47 AM, Jody Garnett
>>>> <jody.garn...@gmail.com>wrote:
>>>>
>>>>> CRS detection is provided by the "PRJ" sidecar file. If it is present
>>>>> then GeoTools can read the file and parse a CoordinateReferenceSystem
>>>>> object out.
>>>>>
>>>>> If it is not present you can either set it manually (GeoTools will
>>>>> write out the PRJ file), or in cases where the PRJ file is missing/wrong
>>>>> you can force a CRS as part of your Query.
>>>>>
>>>>> Jody Garnett
>>>>>
>>>>>
>>>>> On Wed, Feb 26, 2014 at 8:35 AM, Thomas Evans <
>>>>> thomasjevan...@gmail.com> wrote:
>>>>>
>>>>>> Thanks for clarifying the terminology Frank. I have 6 Shapefiles all
>>>>>> located in the same directory with the accompanying sidecar files there
>>>>>> as
>>>>>> well, is there anything else required to "operate on the as a group"?.
>>>>>> Can anyone explain how the CRS is detected when using the
>>>>>> ShapefileDataStore, or if I always need to manually set it?
>>>>>>
>>>>>>
>>>>>> On Mon, Feb 24, 2014 at 9:30 PM, Frank van der Hulst <
>>>>>> drifter.fr...@gmail.com> wrote:
>>>>>>
>>>>>>> The term "Shapefile" does not refer just to the .SHP file, but also
>>>>>>> to all the other files with the same name (.dbf, .prj. etc). These files
>>>>>>> should always be operated on as a group.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Feb 25, 2014 at 2:32 PM, Thomas Evans <
>>>>>>> thomasjevan...@gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi List,
>>>>>>>>
>>>>>>>> This is my first experience with GISData and GeoTools. I am trying
>>>>>>>> to use the ShapefileDataStore(URL url) to load up a handful of shape
>>>>>>>> files
>>>>>>>> into my Geography. The schema and AttributeType of the
>>>>>>>> GeometryTypeImpl
>>>>>>>> that are created during the ShapefileDataStore construction both
>>>>>>>> contain a
>>>>>>>> null CRS. I believe this info is usually loaded from the .prj file
>>>>>>>> that is
>>>>>>>> located in the same directory with the same filename of the .shp file.
>>>>>>>> Does anyone know of any gotchas here?
>>>>>>>>
>>>>>>>> Code -
>>>>>>>> URL url = data.getFile().toURI().toURL();
>>>>>>>> ShapefileDataStore store = new ShapefileDataStore(url);
>>>>>>>> SimpleFeatureType schema = store.getSchema(store.getTypeNames()[0]);
>>>>>>>> // First attribute at index 0 is always the Geometry
>>>>>>>> AttributeType type = schema.getType(0);
>>>>>>>> CoordinateReferenceSystem dataCRS = ((GeometryType)
>>>>>>>> type).getCoordinateReferenceSystem(); <-- Returns null
>>>>>>>>
>>>>>>>> schema.toString() -
>>>>>>>> SimpleFeatureTypeImpl
>>>>>>>> http://www.opengis.net/gml:SoCALbg2010_TRTP_Extent_DATA_NUMBERSidentified
>>>>>>>> extends
>>>>>>>> polygonFeature(the_geom:MultiPolygon,OBJECTID:OBJECTID,GEOID10:GEOID10,Shape_Leng:Shape_Leng,Shape_Area:Shape_Area,STATEP10_N:STATEP10_N,COUNTRYFP1:COUNTRYFP1,TRACTCE10_:TRACTCE10_,BLKGRPCE10:BLKGRPCE10,GEOID10_NO:GEOID10_NO,INTPLAT10_:INTPLAT10_,INTPLTON10:INTPLTON10,BLKGRP_NAM:BLKGRP_NAM,POP_TOTAL_:POP_TOTAL_,HHI_MEDIAN:HHI_MEDIAN,NOSCHOOL_N:NOSCHOOL_N,NOGED_NO:NOGED_NO,GED_NO:GED_NO,SOMEGOLLEG:SOMEGOLLEG,ASSOCIATE_:ASSOCIATE_,BACHELOR_N:BACHELOR_N,MASTER_NO:MASTER_NO,PROFESSION:PROFESSION,DOCTORATE_:DOCTORATE_,EDUCATION_:EDUCATION_,INCOME_NO:INCOME_NO,POWER_NO:POWER_NO,ALAND10_NO:ALAND10_NO,AWATER10_N:AWATER10_N,AREA_SQMI_:AREA_SQMI_,DENSITY_SQ:DENSITY_SQ)
>>>>>>>>
>>>>>>>> type.toString() -
>>>>>>>> GeometryTypeImpl MultiPolygon<MultiPolygon>
>>>>>>>>
>>>>>>>> prj file content -
>>>>>>>>
>>>>>>>> PROJCS["World_Robinson",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Robinson"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],UNIT["Meter",1.0]]
>>>>>>>>
>>>>>>>>
>>>>>>>> ------------------------------------------------------------------------------
>>>>>>>> Flow-based real-time traffic analytics software. Cisco certified
>>>>>>>> tool.
>>>>>>>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow
>>>>>>>> Analyzer
>>>>>>>> Customize your own dashboards, set traffic alerts and generate
>>>>>>>> reports.
>>>>>>>> Network behavioral analysis & security monitoring. All-in-one tool.
>>>>>>>>
>>>>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
>>>>>>>> _______________________________________________
>>>>>>>> GeoTools-GT2-Users mailing list
>>>>>>>> GeoTools-GT2-Users@lists.sourceforge.net
>>>>>>>> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Flow-based real-time traffic analytics software. Cisco certified tool.
>>>>>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
>>>>>> Customize your own dashboards, set traffic alerts and generate
>>>>>> reports.
>>>>>> Network behavioral analysis & security monitoring. All-in-one tool.
>>>>>>
>>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
>>>>>> _______________________________________________
>>>>>> GeoTools-GT2-Users mailing list
>>>>>> GeoTools-GT2-Users@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
------------------------------------------------------------------------------
Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
With Perforce, you get hassle-free workflows. Merge that actually works.
Faster operations. Version large binaries. Built-in WAN optimization and the
freedom to use Git, Perforce or both. Make the move to Perforce.
http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
_______________________________________________
GeoTools-GT2-Users mailing list
GeoTools-GT2-Users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
