X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=blobdiff_plain;f=org.argeo.app.core%2Fsrc%2Forg%2Fargeo%2Fapp%2Fgeo%2FGeoUtils.java;fp=org.argeo.app.core%2Fsrc%2Forg%2Fargeo%2Fapp%2Fgeo%2FGeoUtils.java;h=0000000000000000000000000000000000000000;hp=1f8846d579e97518e8e37c124a1d9d8eb66f9b0b;hb=37c5768d88096f4eb7be02f18770b6a40be5c110;hpb=9803af38d9ec2eccc2cb5e01a276cbf2edd0d50c

diff --git a/org.argeo.app.core/src/org/argeo/app/geo/GeoUtils.java b/org.argeo.app.core/src/org/argeo/app/geo/GeoUtils.java
deleted file mode 100644
index 1f8846d..0000000
--- a/org.argeo.app.core/src/org/argeo/app/geo/GeoUtils.java
+++ /dev/null
@@ -1,159 +0,0 @@
-package org.argeo.app.geo;
-
-import java.io.IOException;
-import java.io.Serializable;
-import java.io.Writer;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import javax.measure.Quantity;
-import javax.measure.quantity.Area;
-
-import org.geotools.data.DefaultTransaction;
-import org.geotools.data.Transaction;
-import org.geotools.data.collection.ListFeatureCollection;
-import org.geotools.data.shapefile.ShapefileDataStore;
-import org.geotools.data.shapefile.ShapefileDataStoreFactory;
-import org.geotools.data.simple.SimpleFeatureCollection;
-import org.geotools.data.simple.SimpleFeatureIterator;
-import org.geotools.data.simple.SimpleFeatureSource;
-import org.geotools.data.simple.SimpleFeatureStore;
-import org.geotools.geometry.jts.JTS;
-import org.geotools.referencing.CRS;
-import org.geotools.referencing.crs.DefaultGeographicCRS;
-import org.locationtech.jts.geom.Coordinate;
-import org.locationtech.jts.geom.Point;
-import org.locationtech.jts.geom.Polygon;
-import org.opengis.feature.simple.SimpleFeature;
-import org.opengis.feature.simple.SimpleFeatureType;
-import org.opengis.geometry.MismatchedDimensionException;
-import org.opengis.referencing.FactoryException;
-import org.opengis.referencing.crs.CoordinateReferenceSystem;
-import org.opengis.referencing.operation.MathTransform;
-import org.opengis.referencing.operation.TransformException;
-
-import si.uom.SI;
-import tech.units.indriya.quantity.Quantities;
-
-/** Utilities around geographical format, mostly wrapping GeoTools patterns. */
-public class GeoUtils {
-
-	/** In square meters. */
-	public static Quantity<Area> calcArea(SimpleFeature feature) {
-		try {
-			Polygon p = (Polygon) feature.getDefaultGeometry();
-			Point centroid = p.getCentroid();
-			String code = "AUTO:42001," + centroid.getX() + "," + centroid.getY();
-			CoordinateReferenceSystem auto = CRS.decode(code);
-
-			MathTransform transform = CRS.findMathTransform(DefaultGeographicCRS.WGS84, auto);
-
-			Polygon projed = (Polygon) JTS.transform(p, transform);
-			return Quantities.getQuantity(projed.getArea(), SI.SQUARE_METRE);
-		} catch (MismatchedDimensionException | FactoryException | TransformException e) {
-			throw new IllegalStateException("Cannot claculate area of feature");
-		}
-	}
-
-	public static void exportToSvg(SimpleFeatureCollection features, Writer out, int width, int height) {
-		try {
-			double minY = Double.POSITIVE_INFINITY;
-			double maxY = Double.NEGATIVE_INFINITY;
-			double minX = Double.POSITIVE_INFINITY;
-			double maxX = Double.NEGATIVE_INFINITY;
-			List<String> shapes = new ArrayList<>();
-			for (SimpleFeatureIterator it = features.features(); it.hasNext();) {
-				SimpleFeature feature = it.next();
-				StringBuffer sb = new StringBuffer();
-				sb.append("<polyline style=\"stroke-width:1;stroke:#000000;fill:none;\" points=\"");
-
-				Polygon p = (Polygon) feature.getDefaultGeometry();
-				Point centroid = p.getCentroid();
-				String code = "AUTO:42001," + centroid.getX() + "," + centroid.getY();
-				CoordinateReferenceSystem auto = CRS.decode(code);
-
-				MathTransform transform = CRS.findMathTransform(DefaultGeographicCRS.WGS84, auto);
-
-				Polygon projed = (Polygon) JTS.transform(p, transform);
-
-				for (Coordinate coord : projed.getCoordinates()) {
-					double x = coord.x;
-					if (x < minX)
-						minX = x;
-					if (x > maxX)
-						maxX = x;
-					double y = -coord.y;
-					if (y < minY)
-						minY = y;
-					if (y > maxY)
-						maxY = y;
-					sb.append(x + "," + y + " ");
-				}
-				sb.append("\">");
-				sb.append("</polyline>\n");
-				shapes.add(sb.toString());
-
-			}
-			double viewportHeight = maxY - minY;
-			double viewportWidth = maxX - minX;
-			out.write("<svg xmlns=\"http://www.w3.org/2000/svg\"\n");
-			out.write(" width=\"" + width + "\"\n");
-			out.write(" height=\"" + height + "\"\n");
-			out.write(" viewBox=\"" + minX + " " + minY + " " + viewportWidth + " " + viewportHeight + "\"\n");
-			out.write(" preserveAspectRatio=\"xMidYMid meet\"\n");
-			out.write(">\n");
-			for (String shape : shapes) {
-				out.write(shape);
-				out.write("\n");
-			}
-			out.write("</svg>");
-		} catch (IOException | FactoryException | MismatchedDimensionException | TransformException e) {
-			throw new RuntimeException("Cannot export to SVG", e);
-		}
-	}
-
-	/** Write a list of simple features to a shapefile. */
-	public static void saveFeaturesAsShapefile(SimpleFeatureType featureType, List<SimpleFeature> features,
-			Path shpFile) {
-		try {
-			ShapefileDataStoreFactory dataStoreFactory = new ShapefileDataStoreFactory();
-
-			Map<String, Serializable> params = new HashMap<>();
-			params.put("url", shpFile.toUri().toURL());
-
-			params.put("create spatial index", Boolean.TRUE);
-
-			ShapefileDataStore newDataStore = (ShapefileDataStore) dataStoreFactory.createNewDataStore(params);
-			newDataStore.createSchema(featureType);
-
-			String typeName = newDataStore.getTypeNames()[0];
-			SimpleFeatureSource featureSource = newDataStore.getFeatureSource(typeName);
-			if (featureSource instanceof SimpleFeatureStore) {
-				SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;
-				SimpleFeatureCollection collection = new ListFeatureCollection(featureType, features);
-
-				try (Transaction transaction = new DefaultTransaction("create")) {
-					try {
-						featureStore.setTransaction(transaction);
-						featureStore.addFeatures(collection);
-						transaction.commit();
-					} catch (Exception problem) {
-						transaction.rollback();
-						throw new RuntimeException("Cannot write shapefile " + shpFile, problem);
-					}
-				}
-			} else {
-				throw new IllegalArgumentException(typeName + " does not support read/write access");
-			}
-		} catch (IOException e) {
-			throw new RuntimeException("Cannot write shapefile " + shpFile, e);
-		}
-	}
-
-	/** Singleton. */
-	private GeoUtils() {
-	}
-}