// - ChannelSelection: Gray {Contrast Enh: Histogram}
//
// ////////////////////////////////////////////////////////////////////
java.net.URL surl = TestData.url(this, "1band_Float32_test1.sld");
SLDParser stylereader = new SLDParser(sf, surl);
StyledLayerDescriptor sld = stylereader.parseSLD();
// the RasterSymbolizer Helper
SubchainStyleVisitorCoverageProcessingAdapter rsh = new RasterSymbolizerHelper(gc, null);
RasterSymbolizer rs_1 = extractRasterSymbolizer(sld);