/** * 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; }