/**
* Returns a beautiful String representation for the provided {@link Unit}
*
* @param crs
* @param uom
* @return
*/
public String extractUoM(CoordinateReferenceSystem crs, Unit<?> uom) {
// special handling for Degrees
if (crs instanceof GeographicCRS) {
return "Deg";
}
return UnitFormat.getInstance().format(uom);
}
/**
* Encodes the RangeType as per the GML spec of the provided {@link GridCoverage2D}
*
* <p>e.g.:
*
* <pre>{@code
* <gmlcov:rangeType>
* <swe:DataRecord>
* <swe:field name="singleBand">
* <swe:Quantity definition="http://www.opengis.net/def/property/OGC/0/Radiance">
* <gml:description>Panchromatic Channel</gml:description>
* <gml:name>single band</gml:name>
* <swe:uom code="W/cm2"/>
* <swe:constraint>
* <swe:AllowedValues>
* <swe:interval>0 255</swe:interval>
* <swe:significantFigures>3</swe:significantFigures>
* </swe:AllowedValues>
* </swe:constraint>
* </swe:Quantity>
* </swe:field>
* </swe:DataRecord>
* </gmlcov:rangeType>
* }</pre>
*
* @param gc2d the {@link GridCoverage2D} for which to encode the RangeType.
*/
public void handleRangeType(GridCoverage2D gc2d) {
start("gml:rangeType");
start("swe:DataRecord");
// get bands
final SampleDimension[] bands = gc2d.getSampleDimensions();
// handle bands
for (SampleDimension sd : bands) {
final AttributesImpl fieldAttr = new AttributesImpl();
fieldAttr.addAttribute(
"",
"name",
"name",
"",
sd.getDescription().toString()); // TODO NCNAME? TODO Use Band[i] convention?
start("swe:field", fieldAttr);
start("swe:Quantity");
// Description
start("swe:description");
chars(sd.getDescription().toString()); // TODO can we make up something better??
end("swe:description");
// UoM
final AttributesImpl uomAttr = new AttributesImpl();
final Unit<?> uom = sd.getUnits();
uomAttr.addAttribute(
"",
"code",
"code",
"",
uom == null ? "W.m-2.Sr-1" : UnitFormat.getInstance().format(uom));
start("swe:uom", uomAttr);
end("swe:uom");
// constraint on values
start("swe:constraint");
start("swe:AllowedValues");
handleSampleDimensionRange(sd); // TODO make this generic
end("swe:AllowedValues");
end("swe:constraint");
// nil values
handleSampleDimensionNilValues(gc2d, sd.getNoDataValues());
end("swe:Quantity");
end("swe:field");
}
end("swe:DataRecord");
end("gml:rangeType");
}
public Object unmarshal(Object obj, IUnmarshallingContext ictx) throws JiBXException {
// make sure we're at the appropriate start tag
UnmarshallingContext ctx = (UnmarshallingContext) ictx;
if (!ctx.isAt(this.uri, this.name)) {
ctx.throwStartTagNameError(this.uri, this.name);
}
String unitString = ctx.attributeText(null, "unit");
Unit<?> unit = null;
try {
unit = (Unit<?>) (UnitFormat.getInstance().parseObject(unitString));
} catch (ParseException ex) {
throw new JiBXException("Unable to parse unit element", ex);
}
// unit.asType(Length.class);
ctx.parsePastStartTag(this.uri, this.name);
String value = ctx.parseContentText();
ctx.parsePastEndTag(this.uri, this.name);
return KnittingMeasure.valueOf(value, unit);
}