this.band = band;
this.classification = classification;
SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
for (AttributeDescriptor att : zones.getSchema().getAttributeDescriptors()) {
tb.minOccurs(att.getMinOccurs());
tb.maxOccurs(att.getMaxOccurs());
tb.restrictions(att.getType().getRestrictions());
if (att instanceof GeometryDescriptor) {
GeometryDescriptor gatt = (GeometryDescriptor) att;
tb.crs(gatt.getCoordinateReferenceSystem());