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The FEW Web Mapping Service with time support is the FEWS implementation of the WMS-T OGC standard and is available since 2018.02. It allows rquesting images for plots that have been configured in the FEWS grid display. The WMS version that is supported is version 1.3.

Only the EPSG:3857 projection (WGS84 Web Mercator) is supported.

Every gridPlot that has been configured grid display configuration represents a WMS layer. The following request methods are available in the WMS-T service:

  • GetCapabilities: get the available layers and times available for each layer
  • GetMap: Get the plot image as png for a layer for a requested time, image size and extent. Only untiled images are supported, which means the complete image has to be requested for the complete extent.
  • GetLegend: Get the legend image as png for a layer.

GetCapabilties

 

GetMap

Request URL:

http://localhost:8181/FewsWebServices/wms?request=GetMap&version=1.1.1&layers=giss_e2_h_grid%20decennially%201time=1859-01-01T00%3A00%3A00.000Z&srs=EPSG%3A3857&width=920&height=500&bbox=-17885041.62627868,-6887893.4928338025,18119856.177170746,12679985.748171324

Supported parameters:

LAYERS (required): the layerId of the plot to display. Only one layerid is supported.

TIME (required): the time for which the grid has to be plotted.

WIDTH (optional): width of the image. Default is 800.

HEIGHT (optional): height of the image. Default is 600

VERSION (optional): supported version is 1.3 and is the default if not set. Older versions might work, but are not supported

CRS (required): the output projection of the plot. Supported projections are: EPSG:3857 and EPSG:4326

BBOX (required): the bounding box (in the projection as defined by the SRS parameter) of the extent that should be plotLA

 

Restrictions:

The product of width and height is limited to the full HD resolution of1920x1200 pixels to avoid memory issues. In case a GetMap request is done where WIDTH*HEIGHT > 2304000 a bad request error will be returned.

GetLegend

 

 

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