*/
public static Rule getRasterSymbolizerRule( Style s ) {
List<FeatureTypeStyle> fts = s.featureTypeStyles();
for( int i = 0; i < fts.size(); i++ ) {
FeatureTypeStyle featureTypeStyle = fts.get(i);
List<Rule> rules = featureTypeStyle.rules();
for( int j = 0; j < rules.size(); j++ ) {
Rule rule = rules.get(j);
Symbolizer[] symbolizers = rule.getSymbolizers();
for( int k = 0; k < symbolizers.length; k++ ) {
Symbolizer symbolizer = symbolizers[k];