Get info for all features upon click with betterWms Leaflet plugin?

Question

 var layer = L.tileLayer.betterWms("http://localhost:8080/geoserver/wms", {
    layers: 'data',
    format: 'image/png',
    transparent: true,
}).addTo(map);

When adding this GROUP WMS Layer on a base map Leaflet, onclick I am getting only one Layer data but Layer Group showing well 2 Layer. I want to get info about both layers on click.

I am using betterwms.js Leaflet plugin.

Answer 1

If you look at the code of Leaflet betterWms plugin, you'll see that parameters for GetFeatureInfo request are constructed like this:

params = {
  request: 'GetFeatureInfo',
  service: 'WMS',
  srs: 'EPSG:4326',
  styles: this.wmsParams.styles,
  transparent: this.wmsParams.transparent,
  version: this.wmsParams.version,      
  format: this.wmsParams.format,
  bbox: this._map.getBounds().toBBoxString(),
  height: size.y,
  width: size.x,
  layers: this.wmsParams.layers,
  query_layers: this.wmsParams.layers,
  info_format: 'text/html'
};

Since there is no feature_count parameter, it defaults to 1, and that's the reason why you get info only about one feature.

You'll have to edit plugin code and set this parameter to desired value.

Answer 2

If you host the wms through geoserver, you setup the return info template inside there, with the code to return data for all layers.