RegionExtractorTests.java 8.58 KB
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package eu.simstadt.regionchooser;
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import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.nio.file.Path;
import java.nio.file.Paths;
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import java.util.regex.Matcher;
import java.util.regex.Pattern;
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import org.junit.jupiter.api.Test;
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class RegionExtractorTests
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{
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	private static final String EPSG_32118 = "EPSG:32118";
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	private static final String CITY_OBJECT_MEMBER_REGEX = "<(core:)?cityObjectMember";
	private static final String CITY_MODEL_HEADER = "<CityModel";
	private static final String CORE_CITY_MODEL_HEADER = "<core:CityModel";
	private static final String CITY_MODEL_FOOTER = "</CityModel";
	private static final String CORE_CITY_MODEL_FOOTER = "</core:CityModel";
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	private static final Path TEST_REPOSITORY = Paths.get("src/test/resources/testdata/");
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	static int countRegexMatches(String str, String subStr) {
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		Pattern pattern = Pattern.compile(subStr);
		Matcher matcher = pattern.matcher(str);
		int count = 0;
		while (matcher.find()) {
			count++;
		}
		return count;
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	}

	@Test
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	void testExtract3BuildingsFromGSK3Model() throws Throwable {
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		//NOTE: Small region around Martinskirche in Grünbühl
		String wktPolygon = "POLYGON((3515848.896028535 5415823.108586172,3515848.9512289143 5415803.590347393,3515829.0815150724 5415803.338023346,3515830.9784850604 5415793.437034622,3515842.0946056456 5415793.272282251,3515843.3515515197 5415766.204935087,3515864.1064344468 5415766.557899496,3515876.489172751 5415805.433782301,3515876.343844858 5415822.009293416,3515848.896028535 5415823.108586172))";
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		Path citygmlPath = TEST_REPOSITORY.resolve("Gruenbuehl.proj/20140218_Gruenbuehl_LOD2.gml");
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		String churchGMLString = RegionExtractor.selectRegionDirectlyFromCityGML(wktPolygon, "EPSG:31467", citygmlPath)
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				.toString();
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		assertEquals(3, countRegexMatches(churchGMLString, CITY_OBJECT_MEMBER_REGEX));
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		assertTrue(churchGMLString.contains("Donaustr"));
		assertTrue(churchGMLString.contains("DEBW_LOD2_203056"));
		assertTrue(churchGMLString.contains("DEBW_LOD2_2869"));
		assertTrue(churchGMLString.contains("DEBW_LOD2_2909"));
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		assertTrue(churchGMLString.contains(CORE_CITY_MODEL_HEADER));
		assertTrue(churchGMLString.contains(CORE_CITY_MODEL_FOOTER));
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		assertTrue(churchGMLString.contains("<gml:Envelope srsName=\"EPSG:31467\" srsDimension=\"3\">"),
				"The exported CityGML should contain a new envelope with the correct EPSG");
		assertTrue(churchGMLString.contains("<gml:lowerCorner>3515829.0815150724 5415766.204935087 "),
				"The exported CityGML should contain a new envelope");
		assertTrue(churchGMLString.contains("<gml:upperCorner>3515876.489172751 5415823.108586172 "),
				"The exported CityGML should contain a new envelope");
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	}
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	@Test
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	void testExtractBuildingsWithCommentsInBetween() throws Throwable {
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		String wktPolygon = "POLYGON((300259.78663489706 62835.835907766595,300230.33294975647 62792.0482567884,300213.5667431851 62770.83143720031,300183.6592861123 62730.20347659383,300252.9947486632 62676.938468840905,300273.3862256562 62701.767105345614,300257.5250407747 62715.760413539596,300308.2754543957 62805.14198211394,300259.78663489706 62835.835907766595))";
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		Path citygmlPath = TEST_REPOSITORY.resolve("NewYork.proj/ManhattanSmall.gml");
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		String archGMLString = RegionExtractor.selectRegionDirectlyFromCityGML(wktPolygon, EPSG_32118, citygmlPath)
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				.toString();
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		assertEquals(countRegexMatches(archGMLString, CITY_OBJECT_MEMBER_REGEX), 2);
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		assertTrue(archGMLString.contains("WASHINGTON SQUARE"));
		assertTrue(archGMLString.contains("uuid_c0980a6e-05ea-4d09-bc83-efab226945a1"));
		assertTrue(archGMLString.contains("uuid_0985cebb-922d-4b3e-95e5-15dc6089cd28"));
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		assertTrue(archGMLString.contains(CITY_MODEL_HEADER));
		assertTrue(archGMLString.contains(CITY_MODEL_FOOTER));
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	}

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	@Test
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	void testExtractBuildingsAndChangeEnvelope() throws Throwable {
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		String wktPolygon = "POLYGON((299761.8123557725 61122.68126771413,299721.46983062755 61058.11626595352,299780.84627343423 61021.99295737501,299823.9079725632 61083.3979344517,299761.8123557725 61122.68126771413))";
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		Path citygmlPath = TEST_REPOSITORY.resolve("NewYork.proj/FamilyCourt_LOD2_with_PLUTO_attributes.gml");
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		String familyCourtBuilding = RegionExtractor
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				.selectRegionDirectlyFromCityGML(wktPolygon, EPSG_32118, citygmlPath).toString();
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		assertEquals(1, countRegexMatches(familyCourtBuilding, CITY_OBJECT_MEMBER_REGEX));
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		assertTrue(familyCourtBuilding.contains("Bldg_12210021066"));
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		assertFalse(
				familyCourtBuilding.contains(
						"<gml:lowerCorner>298393.46959639067 59277.34021543693 -11.892070104139751</gml:lowerCorner>"),
				"The exported CityGML shouldn't contain the original envelope");
		assertFalse(
				familyCourtBuilding.contains(
						"<gml:upperCorner>305641.79529639013 67101.44881543722 547.7591871983744</gml:upperCorner>"),
				"The exported CityGML shouldn't contain the original envelope");
		assertTrue(familyCourtBuilding.contains("<gml:lowerCorner>299721.46983062755 61021.99295737501 -11.89"),
				"The exported CityGML should contain a new envelope with the original altitudes");
		assertTrue(familyCourtBuilding.contains("<gml:upperCorner>299823.9079725632 61122.68126771413 547.75"),
				"The exported CityGML should contain a new envelope with the original altitudes");
		assertTrue(familyCourtBuilding.contains("<gml:Envelope srsName=\"EPSG:32118\" srsDimension=\"3\">"),
				"The exported CityGML should contain a new envelope with the correct EPSG");
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	}

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	@Test
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	void testExtract0BuildingsWithWrongCoordinates() throws Throwable {
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		//NOTE: Small region, far away from NYC
		String wktPolygon = "POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))";
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		Path citygmlPath = TEST_REPOSITORY.resolve("NewYork.proj/ManhattanSmall.gml");
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		String emptyGMLString = RegionExtractor.selectRegionDirectlyFromCityGML(wktPolygon, EPSG_32118, citygmlPath)
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				.toString();
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		assertEquals(0, countRegexMatches(emptyGMLString, CITY_OBJECT_MEMBER_REGEX));
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		assertTrue(emptyGMLString.contains(CITY_MODEL_HEADER));
		assertTrue(emptyGMLString.contains(CITY_MODEL_FOOTER));
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	}
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	@Test
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	void testExtract0BuildingsFromEmptyGML() throws Throwable {
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		//NOTE: Small region, with too many spaces between coordinates
		String wktPolygon = "POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))";
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		Path citygmlPath = TEST_REPOSITORY.resolve("NewYork.proj/empty_model.gml");
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		String emptyGMLString = RegionExtractor.selectRegionDirectlyFromCityGML(wktPolygon, EPSG_32118, citygmlPath)
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				.toString();
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		assertEquals(0, countRegexMatches(emptyGMLString, CITY_OBJECT_MEMBER_REGEX));
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		assertTrue(emptyGMLString.contains(CORE_CITY_MODEL_HEADER));
		assertTrue(emptyGMLString.contains(CORE_CITY_MODEL_FOOTER));
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	}

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	@Test
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	void testExtract0BuildingsFromWeirdGML() throws Throwable {
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		//NOTE: Small region, with too many spaces between coordinates
		String wktPolygon = "POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))";
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		Path citygmlPath = TEST_REPOSITORY.resolve("NewYork.proj/broken_nyc_lod2.gml");
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		String emptyGMLString = RegionExtractor.selectRegionDirectlyFromCityGML(wktPolygon, EPSG_32118, citygmlPath)
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				.toString();
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		assertEquals(0, countRegexMatches(emptyGMLString, CITY_OBJECT_MEMBER_REGEX));
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		assertTrue(emptyGMLString.contains(CORE_CITY_MODEL_HEADER));
		assertTrue(emptyGMLString.contains(CORE_CITY_MODEL_FOOTER));
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	}
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	@Test
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	void testExtractBuildingsFromCitygmlWithoutZinEnvelope() throws Throwable {
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		String wktPolygon = "POLYGON((3512683.1280912133 5404783.732132129,3512719.1608604863 5404714.627650777,3512831.40076119 5404768.344155442,3512790.239106708 5404838.614891164,3512683.1280912133 5404783.732132129))";
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		Path citygmlPath = TEST_REPOSITORY.resolve("Stuttgart.proj/Stuttgart_LOD0_LOD1_small.gml");
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		String emptyGMLString = RegionExtractor.selectRegionDirectlyFromCityGML(wktPolygon, "EPSG:31463", citygmlPath)
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				.toString();
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		assertEquals(2, countRegexMatches(emptyGMLString, "<bldg:Building gml:id"));
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	}
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	@Test
	void testExtractBuildingsFrom2Citygmls() throws Throwable {
		String wktPolygon = "POLYGON((3512984.7003764412 5405148.310572891,3513038.6360455155 5405010.072163861,3513142.7277745553 5405004.02571992,3514204.1661769524 5405563.192081669,3514399.2818417274 5405720.905457244,3514291.6158155007 5405896.706492759,3512984.7003764412 5405148.310572891))";

		Path citygml1 = TEST_REPOSITORY.resolve("Stuttgart.proj/Stuttgart_LOD0_LOD1_small.gml");
		Path citygml2 = TEST_REPOSITORY.resolve("Stuttgart.proj/Stöckach_überarbeitete GML-NoBuildingPart.gml");
		String emptyGMLString = RegionExtractor
				.selectRegionDirectlyFromCityGML(wktPolygon, "EPSG:31463", citygml1, citygml2).toString();
		assertEquals(17 + 3, countRegexMatches(emptyGMLString, "<bldg:Building gml:id"));
	}


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}