long start = System.currentTimeMillis();
ConversionFacade cf = new ConversionFacade();
PerformanceListener perfListener =
new PerformanceListener(argumentsGroup.getRepresentative());
cf.addProgressListener(perfListener);
String interpolatorType = config.getString("terrainInterpolator");
if ("ZeroInterpolator".equals(interpolatorType)) {
cf.setTerrainEleInterpolatorFactory(
new DefaultFactory<TerrainInterpolator>(ZeroInterpolator.class));