/*
* citygml4j - The Open Source Java API for CityGML
* https://github.com/citygml4j
*
* Copyright 2013-2017 Claus Nagel <claus.nagel@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import org.citygml4j.CityGMLContext;
import org.citygml4j.builder.CityGMLBuilder;
import org.citygml4j.model.citygml.CityGML;
import org.citygml4j.model.citygml.CityGMLClass;
import org.citygml4j.model.citygml.core.CityModel;
import org.citygml4j.model.gml.GMLClass;
import org.citygml4j.model.gml.feature.AbstractFeature;
import org.citygml4j.model.gml.geometry.AbstractGeometry;
import org.citygml4j.util.walker.GMLWalker;
import org.citygml4j.xml.io.CityGMLInputFactory;
import org.citygml4j.xml.io.reader.CityGMLReader;
public class GeneratingStatistics {
public static void main(String[] args) throws Exception {
SimpleDateFormat df = new SimpleDateFormat("[HH:mm:ss] ");
System.out.println(df.format(new Date()) + "setting up citygml4j context and JAXB builder");
CityGMLContext ctx = new CityGMLContext();
CityGMLBuilder builder = ctx.createCityGMLBuilder();
System.out.println(df.format(new Date()) + "reading CityGML file LOD3_Railway_v200.gml");
CityGMLInputFactory in = builder.createCityGMLInputFactory();
CityGMLReader reader = in.createCityGMLReader(new File("../../datasets/LOD3_Railway_v200.gml"));
CityModel cityModel = (CityModel)reader.nextFeature();
reader.close();
final HashMap<CityGMLClass, Integer> features = new HashMap<CityGMLClass, Integer>();
final HashMap<GMLClass, Integer> geometries = new HashMap<GMLClass, Integer>();
System.out.println(df.format(new Date()) + "walking through document and counting features/geometries");
GMLWalker walker = new GMLWalker() {
@Override
public void visit(AbstractFeature abstractFeature) {
if (abstractFeature instanceof CityGML) {
CityGMLClass key = ((CityGML)abstractFeature).getCityGMLClass();
int count = features.containsKey(key) ? features.get(key) + 1 : 1;
features.put(key, count);
}
super.visit(abstractFeature);
}
@Override
public void visit(AbstractGeometry abstractGeometry) {
GMLClass key = abstractGeometry.getGMLClass();
int count = geometries.containsKey(key) ? geometries.get(key) + 1 : 1;
geometries.put(key, count);
super.visit(abstractGeometry);
}
};
cityModel.accept(walker);
System.out.println(df.format(new Date()) + "LOD3_Railway_v200.gml contains:");
System.out.println("Features:");
for (CityGMLClass feature : features.keySet())
System.out.println(feature + ": " + features.get(feature));
System.out.println("\nGeometries:");
for (GMLClass geometry : geometries.keySet())
System.out.println(geometry + ": " + geometries.get(geometry));
System.out.println(df.format(new Date()) + "sample citygml4j application successfully finished");
}
}