#6867 closed defect (fixed)
GDAL truncates GeoJSON attributes
Reported by: | dr | Owned by: | warmerdam |
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Priority: | normal | Milestone: | 2.1.4 |
Component: | default | Version: | 2.1.3 |
Severity: | normal | Keywords: | GeoJSON |
Cc: |
Description
I have GeoJSON file with attribute:
"name": "2016-11-04--11-02-08"
As I know JSON does not specify how dates should be represented, but GDAL treats it as date and truncates end part:
$ ogrinfo -ro http://rykovd.nextgis.com/api/resource/171/geojson OGRGeoJSON INFO: Open of `http://rykovd.nextgis.com/api/resource/171/geojson' using driver `GeoJSON' successful. Layer name: OGRGeoJSON Geometry: Multi Line String Feature Count: 1 Extent: (9316559.435264, 6796713.323408) - (9488008.227544, 7053792.572699) Layer SRS WKT: PROJCS["WGS 84 / Pseudo-Mercator", GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4326"]], PROJECTION["Mercator_1SP"], PARAMETER["central_meridian",0], PARAMETER["scale_factor",1], PARAMETER["false_easting",0], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["X",EAST], AXIS["Y",NORTH], EXTENSION["PROJ4","+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs"], AUTHORITY["EPSG","3857"]] src: String (0.0) cmt: String (0.0) name: Date (0.0) link1_href: String (0.0) number: String (0.0) link2_text: String (0.0) link2_href: String (0.0) link1_type: String (0.0) link2_type: String (0.0) type1: String (0.0) link1_text: String (0.0) desc: String (0.0) OGRFeature(OGRGeoJSON):1 src (String) = (null) cmt (String) = (null) name (Date) = 2016/11/04 link1_href (String) = (null) number (String) = (null) link2_text (String) = (null) link2_href (String) = (null) link1_type (String) = (null) link2_type (String) = (null) type1 (String) = (null) link1_text (String) = (null) desc (String) = (null)
Python example:
$ python Python 2.7.12 (default, Nov 19 2016, 06:48:10) [GCC 5.4.0 20160609] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> from osgeo import ogr >>> ds = ogr.Open('http://rykovd.nextgis.com/api/resource/171/geojson') >>> lyr = ds.GetLayer('OGRGeoJSON') >>> feat = lyr.GetFeature(1) >>> feat.GetFieldAsString(2) '2016/11/04'
Change History (7)
comment:1 by , 7 years ago
comment:2 by , 7 years ago
I've expected that this attribute will be treated as string without any implicit conversions.
comment:3 by , 7 years ago
So GDAL should do better job with checking if string is formatted to some of the ISO date/time expressions https://en.wikipedia.org/wiki/ISO_8601? Do you agree that generally it is good to recognize dates?
comment:7 by , 7 years ago
Milestone: | → 2.1.4 |
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