[Qgis-user] QGIS 2.6.1 Brighton and GeoJSON CRS 2770

[Saber Razmjooei]

Both file#1 and #3 are actually failing to load in the correct CRS, but if
you turn off the OTF you should be able still to see the files. The reason
file #1 loads fine is probably because your default CRS in QGIS is set to
4326.

Your link doesn't appear to be a valid proj4 definition. How about trying it
with:

 

"crs": {

  "type": "link",

  "properties": {

    "href": "http://spatialreference.org/ref/epsg/27700/proj4/",

    "type": "proj4"

    }

  }

 

Cheers,

Saber

 

 

From: qgis-user-bounces at lists.osgeo.org
[mailto:qgis-user-bounces at lists.osgeo.org] On Behalf Of Paul Cleverley
Sent: 30 April 2015 15:29
To: 'qgis-user at lists.osgeo.org'
Subject: [Qgis-user] QGIS 2.6.1 Brighton and GeoJSON CRS 2770

 

Hi 

 

I have three geojson files.

 

File #1 is in 4326 and has the following crs :

"crs": 

              {

            "type": "link", 

            "properties": 

                            {

                                  "href":
"http://www.opengis.net/def/crs/EPSG/0/4326",

                                  "type": "proj4"

                           }

              },

 

File #2 is in 27700 and has the following crs:

"crs": 

        {

            "type": "name",

            "properties": 

                {

                    "name": "EPSG:27700"

                }

        },

 

File #3 is identical to File #2 except for the crs which is 

"crs": 

        {

            "type": "link", 

            "properties": 

            {

                "href": "http://www.opengis.net/def/crs/EPSG/0/27700",

                "type": "proj4"

            }

        },

 

 

File #1 and #2 load into QGIS and display as I would expect.

 

File #3 loads but does not display. While its properties shows an extent in
BNG 

 

xMin,yMin 476285.30,230902.30 : xMax,yMax 496530.40,256158.20

 

the layer spatial reference system shows:

 

+proj=longlat +datum=WGS84 +no_defs

 

I suspect what's going on is that the link type crs is ignored and QGIS
defaults make it ok - but with the link crs in File #3 it goes kerplooie.

 

Any thoughts? 

 

Much appreciated
Paul

 

Paul Cleverley
Software Developer, Hydrodynamics & Metocean

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