[GIS] GeoServer GeoJSON WMS layer request in Mapbox

geoservermapbox-gl-jswms

I'm creating a Mapbox GL JS web map which pulls GeoJSON layers from GeoServer. I've used the documentation to find my problem lies in the 'GetFeatureInfo' get request URL which follows the following format (though in one line of course):

http://localhost:8080/geoserver/wms?
INFO_FORMAT=application/json&
REQUEST=GetFeatureInfo&
EXCEPTIONS=application/vnd.ogc.se_xml&
SERVICE=WMS&
VERSION=1.1.1&
WIDTH=970&
HEIGHT=485&
X=486&
Y=165&
BBOX=-180,-90,180,90&
LAYERS=CampusMap:dwt-campus-json&
QUERY_LAYERS=CampusMap:dwt-campus-json&
TYPENAME=CampusMap:dwt-campus-json&

My problem is that this link does not work, and when I run it in a browser I receive various WMS error files that are not very helpful. I really just want to be able to get this link to work so I can have this building footprints file load on my basemap and be query-able for future use.

Best Answer

You are probably confusing the WMS GetFeatureInfo operation and a WFS GetFeature operation.

Your error is that the request is missing an SRS parameter, (e.g. SRS=epsg:4326&). You also have a typename parameter (which is not a GetFeatureInfo parameter), this isn't causing the problem, but it adds no meaning to the request and will be ignored.

Related Solutions

[GIS] Lat/long values in a WMS GetFeatureInfo request

Yes, see this answer: https://gis.stackexchange.com/a/211562/3399

This is the JavaScript implementation:

var parameters = {
  service: 'WMS',
  version: '1.1.1',
  request: 'GetFeatureInfo',
  layers: currentLayer,
  query_layers: currentLayer,
  feature_count: 10,
  info_format: 'text/javascript',
  format_options: 'callback:handleJson',
  SrsName: 'EPSG:4326',
  width: 101,
  height: 101,
  x: 50,
  y: 50,
  bbox: (lng - 0.1) + ',' + (lat - 0.1) + ',' + (lng + 0.1) + ',' + (lat + 0.1)
}
var url = owsurl + L.Util.getParamString(parameters)
$.ajax({
  url: owsurl + L.Util.getParamString(parameters),
  dataType: 'jsonp',
  success: function (data) {
    handleJson(data)
  }
})

Basically, you use the lat, lon to create a bounding box, and select the values in the middle of it. You can return JSON, which you can eat up with your code.

[GIS] Is it possible to get GeoJSON geometry from GetFeatureInfo WMS request from ArcGIS Server 10.x

My original answer is below the line but I am having second thoughts about it. This is because the ArcGIS Server 10 Help page entitled Customizing a WMS GetFeatureInfo response says:

ArcGIS Server comes with XSLT templates for the supported formats listed in the WMS's capabilities files. For example, if you open the directory of these templates at \Styles\WMS, you'll see the following:

featureinfo_application_geojson.xsl
etc

As their name implies, each template is used to produce a default GetFeatureInfo response in a readable format, such as GeoJSON, plain text, and XML.

You will not be able to retrieve feature geometry from an OGC Web Mapping Service (WMS) which is simply served as an image (raster).

In order to request a feature geometry (vector) from ArcGIS for Server I think you will need to use one of:

ArcGIS for Server Feature Service
ArcGIS for Server Geometry Service
OGC Web Feature Service (WFS)

Best Answer

Related Solutions

[GIS] Lat/long values in a WMS GetFeatureInfo request

[GIS] Is it possible to get GeoJSON geometry from GetFeatureInfo WMS request from ArcGIS Server 10.x

Related Question