/**
* Convert the value from a source unit to a target unit Note: if the value is an age, the method
* adjusts the value to return the right age
*
* @param activeInstrumentRunService
* @param targetInstrumentRunValue
* @param sourceInstrumentRunValue
*/
@SuppressWarnings("unchecked")
public void convert(
ActiveInstrumentRunService activeInstrumentRunService,
InstrumentRunValue targetInstrumentRunValue,
InstrumentRunValue sourceInstrumentRunValue) {
InstrumentParameter sourceParameter =
activeInstrumentRunService
.getInstrumentType()
.getInstrumentParameter(sourceInstrumentRunValue.getInstrumentParameter());
InstrumentParameter targetParameter =
activeInstrumentRunService
.getInstrumentType()
.getInstrumentParameter(targetInstrumentRunValue.getInstrumentParameter());
log.debug(
"Converting parameters from source {} to target {}", sourceParameter, targetParameter);
Unit sourceUnit = Unit.valueOf(sourceParameter.getMeasurementUnit());
Unit targetUnit = Unit.valueOf(targetParameter.getMeasurementUnit());
log.debug(
"Converting units from source {} to target {}",
sourceUnit.toString(),
targetUnit.toString());
double sourceValue;
// Extract the source value and convert it to a double
try {
sourceValue =
Double.parseDouble(
sourceInstrumentRunValue.getData(sourceParameter.getDataType()).getValueAsString());
} catch (NumberFormatException e) {
Data sourceData = sourceInstrumentRunValue.getData(sourceParameter.getDataType());
log.error(
"Error converting between measurement units. Original value {} of type {} cannot be converted to a double, which is required to convert between measurement units.",
sourceData.getValueAsString(),
sourceData.getType());
throw e;
}
double newValue = sourceUnit.getConverterTo(targetUnit).convert(sourceValue);
switch (activeInstrumentRunService
.getInstrumentType()
.getInstrumentParameter(targetInstrumentRunValue.getInstrumentParameter())
.getDataType()) {
case DECIMAL:
targetInstrumentRunValue.setData(DataBuilder.buildDecimal(newValue));
break;
case INTEGER:
if (targetUnit.toString().equalsIgnoreCase("year")) newValue = Math.floor(newValue);
targetInstrumentRunValue.setData(DataBuilder.buildInteger(Math.round(newValue)));
break;
}
}
/**
* @param bufferWidth
* @param bufferUnits
* @param geometryUnits
* @return the converted distance <code>bufferWidth</code> from <code>targetUnits</code> to <code>
* sourceUnits</code>
*/
private double getBufferWidth(double bufferWidth, Unit sourceUnits, Unit targetUnits) {
assert sourceUnits != null;
assert targetUnits != null;
double convertedWidth;
if (GeoToolsUtils.PIXEL_UNITS.equals(targetUnits)) {
IViewportModel viewportModel = this.sourceLayer.getMap().getViewportModel();
Coordinate origin = viewportModel.pixelToWorld(0, 0);
int fixedBufferWidth = (int) Math.round(bufferWidth);
Coordinate originPlusWidth = viewportModel.pixelToWorld(fixedBufferWidth, fixedBufferWidth);
convertedWidth = Math.abs(originPlusWidth.x - origin.x);
} else {
UnitConverter converter = targetUnits.getConverterTo(sourceUnits);
convertedWidth = converter.convert(bufferWidth);
}
return convertedWidth;
}
