Examples with Polygon org.locationtech.jts.geom.Polygon used on opensource projects

Example 86 with Polygon

use of org.locationtech.jts.geom.Polygon in project geo-platform by geosdi.

the class SurfaceMember method buildMember.

/**
 * @param gmlGeometry
 * @param polygons
 * @throws ParserException
 */
@Override
public void buildMember(@Nonnull(when = NEVER) MultiSurface gmlGeometry, @Nonnull(when = NEVER) List<Polygon> polygons) throws ParserException {
    checkArgument(gmlGeometry != null, "The Parameter gmlGeometry must not be null.");
    checkArgument(polygons != null, "The Parameter polygons must not be null");
    if (gmlGeometry.isSetSurfaceMember()) {
        for (SurfaceProperty surfaceProperty : gmlGeometry.getSurfaceMember()) {
            org.geosdi.geoplatform.gml.api.Polygon abstractSurface = (org.geosdi.geoplatform.gml.api.Polygon) surfaceProperty.getAbstractSurface();
            if ((gmlGeometry.isSetSrsDimension()) && !(abstractSurface.isSetSrsDimension()))
                abstractSurface.setSrsDimension(gmlGeometry.getSrsDimension());
            polygons.add(polygonParser.parseGeometry(abstractSurface));
        }
    }
}

Example 87 with Polygon

use of org.locationtech.jts.geom.Polygon in project SORMAS-Project by hzi-braunschweig.

the class GeoShapeProviderEjb method loadDistrictData.

private void loadDistrictData(String countryName, String wkt) {
    districtShapes.clear();
    districtMultiPolygons.clear();
    List<DistrictReferenceDto> districts = districtFacade.getAllActiveAsReference();
    try {
        // load shapefile
        ContentFeatureSource featureSource = GeoShapeHelper.featureSourceOfShapefile(countryName, "districts.shp");
        if (featureSource == null) {
            return;
        }
        MathTransform transform = GeoShapeHelper.getLatLonMathTransform(featureSource, wkt);
        SimpleFeatureIterator iterator = featureSource.getFeatures().features();
        while (iterator.hasNext()) {
            SimpleFeature feature = iterator.next();
            String shapeDistrictName = GeoShapeHelper.sniffShapeAttribute(feature, Arrays.asList("LGAName", "DISTRICT", "GEN"));
            if (shapeDistrictName == null) {
                continue;
            }
            MultiPolygon multiPolygon = GeoShapeHelper.getPolygon(feature, transform);
            if (multiPolygon == null) {
                // there might me entries without a polygon -> not relevant
                continue;
            }
            Optional<DistrictReferenceDto> districtResult;
            // Use IDs in germany (could also be used for other countries, if fitting externalIDs are provided. Those can then be mapped to the externalID in SORMAS
            if (countryName.equals("germany")) {
                String shapeDistrictId = GeoShapeHelper.sniffShapeAttribute(feature, Collections.singletonList("ARS"));
                if (shapeDistrictId == null) {
                    continue;
                }
                districtResult = districts.stream().filter(r -> {
                    String districtExtID = r.getExternalId();
                    if (districtExtID == null) {
                        return false;
                    }
                    return districtExtID.contains(shapeDistrictId) || shapeDistrictId.contains(districtExtID);
                }).reduce((r1, r2) -> {
                    // in germany, the external IDs in SORMAS usually contain a leading '110'
                    if (r1.getExternalId().equals(shapeDistrictId) || r1.getExternalId().equals("110" + shapeDistrictId))
                        return r1;
                    if (r2.getExternalId().equals(shapeDistrictId) || r2.getExternalId().equals("110" + shapeDistrictId))
                        return r2;
                    return Double.compare(GeoShapeHelper.similarity(r1.getExternalId(), shapeDistrictId), GeoShapeHelper.similarity(r2.getExternalId(), shapeDistrictId)) <= 0 ? r1 : r2;
                });
            } else {
                districtResult = districts.stream().filter(r -> {
                    String districtName = r.getCaption().replaceAll("\\W", "").toLowerCase();
                    return districtName.contains(shapeDistrictName) || shapeDistrictName.contains(districtName) || GeoShapeHelper.similarity(shapeDistrictName, districtName) > 0.7f;
                }).reduce((r1, r2) -> {
                    if (r1.getCaption().replaceAll("\\W", "").toLowerCase().equals(shapeDistrictName))
                        return r1;
                    if (r2.getCaption().replaceAll("\\W", "").toLowerCase().equals(shapeDistrictName))
                        return r2;
                    return Double.compare(GeoShapeHelper.similarity(r1.getCaption(), shapeDistrictName), GeoShapeHelper.similarity(r2.getCaption(), shapeDistrictName)) <= 0 ? r1 : r2;
                });
            }
            GeoShapeHelper.storeShape(districtMultiPolygons, districtShapes, multiPolygon, shapeDistrictName, districtResult);
        }
        iterator.close();
        GeoShapeHelper.reportNotFound(districtShapes, districts);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 88 with Polygon

use of org.locationtech.jts.geom.Polygon in project SORMAS-Project by hzi-braunschweig.

the class GeoShapeProviderEjb method loadRegionData.

private void loadRegionData(String countryName, String wkt) {
    regionShapes.clear();
    regionMultiPolygons.clear();
    List<RegionReferenceDto> regions = regionFacade.getAllActiveByServerCountry();
    try {
        // load shapefile
        ContentFeatureSource featureSource = GeoShapeHelper.featureSourceOfShapefile(countryName, "regions.shp");
        if (featureSource == null) {
            return;
        }
        MathTransform transform = GeoShapeHelper.getLatLonMathTransform(featureSource, wkt);
        SimpleFeatureIterator iterator = featureSource.getFeatures().features();
        while (iterator.hasNext()) {
            SimpleFeature feature = iterator.next();
            String shapeRegionName = GeoShapeHelper.sniffShapeAttribute(feature, Arrays.asList("StateName", "REGION", "GEN"));
            if (shapeRegionName == null) {
                continue;
            }
            MultiPolygon multiPolygon = GeoShapeHelper.getPolygon(feature, transform);
            if (multiPolygon == null) {
                // there might me entries without a polygon -> not relevant
                continue;
            }
            Optional<RegionReferenceDto> regionResult = regions.stream().filter(r -> {
                String regionName = r.getCaption().replaceAll("\\W", "").toLowerCase();
                return regionName.contains(shapeRegionName) || shapeRegionName.contains(regionName);
            }).reduce((r1, r2) -> {
                // dumb heuristic: take the result that best fits the length
                if (Math.abs(r1.getCaption().length() - shapeRegionName.length()) <= Math.abs(r2.getCaption().length() - shapeRegionName.length())) {
                    return r1;
                } else {
                    return r2;
                }
            });
            GeoShapeHelper.storeShape(regionMultiPolygons, regionShapes, multiPolygon, shapeRegionName, regionResult);
        }
        iterator.close();
        GeoShapeHelper.reportNotFound(regionShapes, regions);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    updateCenterOfAllRegions();
}

Example 89 with Polygon

use of org.locationtech.jts.geom.Polygon in project SORMAS-Project by hzi-braunschweig.

the class GeoShapeHelper method polygonToGeoLatLons.

/**
 * Convert a polygon to an 2D array of Lat/Lon coordinates.
 *
 * @param multiPolygon
 *            The polygon which Lat/Lon coordinates get extracted.
 * @return
 *         2D array of Lat/Lon coordinates of the polygon.
 */
private static GeoLatLon[][] polygonToGeoLatLons(MultiPolygon multiPolygon) {
    GeoLatLon[][] shape = new GeoLatLon[multiPolygon.getNumGeometries()][];
    for (int i = 0; i < multiPolygon.getNumGeometries(); i++) {
        Polygon polygon = (Polygon) multiPolygon.getGeometryN(i);
        shape[i] = Arrays.stream(polygon.getExteriorRing().getCoordinates()).map(c -> new GeoLatLon(c.y, c.x)).toArray(GeoLatLon[]::new);
    }
    return shape;
}

Example 90 with Polygon

use of org.locationtech.jts.geom.Polygon in project qupath by qupath.

the class ROITypeAdapters method parseMultiPolygon.

static MultiPolygon parseMultiPolygon(JsonArray coords, GeometryFactory factory) {
    int n = coords.size();
    Polygon[] polygons = new Polygon[n];
    for (int i = 0; i < n; i++) {
        polygons[i] = parsePolygon(coords.get(i).getAsJsonArray(), factory);
    }
    return factory.createMultiPolygon(polygons);
}