// ignore the OWSType since we know its supposed to be WMS
// step b -bounding box
parseBBox(getMapRequest, nodeGetMap);
// for SLD we already have it (from above) (which we'll handle as layers later)
StyledLayerDescriptor sld = sldParser.parseDescriptor(getNode(rootNode,
"StyledLayerDescriptor"));
processStyles(getMapRequest, sld);
// step c - "Output"
parseXMLOutput(nodeGetMap, getMapRequest); // make this function easier to read