| | |
| | | import com.moon.server.entity.data.AnalysisResultEntity; |
| | | import com.moon.server.entity.data.MetaEntity; |
| | | import com.moon.server.entity.data.PublishEntity; |
| | | import com.moon.server.helper.GeoHelper; |
| | | import com.moon.server.helper.PathHelper; |
| | | import org.apache.commons.logging.Log; |
| | | import org.apache.commons.logging.LogFactory; |
| | |
| | | import org.gdal.gdal.gdal; |
| | | import org.gdal.ogr.Geometry; |
| | | import org.gdal.ogr.ogr; |
| | | import org.gdal.osr.SpatialReference; |
| | | import org.opengis.referencing.crs.CoordinateReferenceSystem; |
| | | import org.springframework.stereotype.Service; |
| | | import org.geotools.referencing.CRS; |
| | | |
| | | import javax.annotation.Resource; |
| | | import java.io.File; |
| | |
| | | * 分析线 |
| | | */ |
| | | public void analysisPolyline(AnalysisResultEntity entity, Dataset ds, Geometry geo, int size) { |
| | | /*Double len = geo.Length(); |
| | | |
| | | |
| | | double[] transform = ds.GetGeoTransform(); |
| | | // double rotationX = transform[2]; double rotationY = transform[4] |
| | | double minX = transform[0], pixelWidth = transform[1], maxY = transform[3], pixelHeight = Math.abs(transform[5]); |
| | | |
| | | double buffer = Math.max(pixelWidth, pixelHeight) * size; |
| | | double[] env = new double[4]; |
| | | geo = geo.Buffer(buffer); |
| | | geo.GetEnvelope(env); |
| | | |
| | | int xMinPixel = (int) Math.floor((env[0] - minX) / pixelWidth); |
| | | int yMinPixel = (int) Math.floor((maxY - env[3]) / pixelHeight); |
| | | int xMaxPixel = (int) Math.floor((env[1] - minX) / pixelWidth); |
| | | int yMaxPixel = (int) Math.floor((maxY - env[2]) / pixelHeight); |
| | | |
| | | int bandCount = ds.getRasterCount(); |
| | | int xMin = Math.min(xMinPixel, xMaxPixel); |
| | | int xMax = Math.max(xMinPixel, xMaxPixel); |
| | | int yMin = Math.min(yMinPixel, yMaxPixel); |
| | | int yMax = Math.max(yMinPixel, yMaxPixel); |
| | | |
| | | List<Double> list = new ArrayList<>(); |
| | | for (int y = yMin; y <= yMax; y++) { |
| | | for (int x = xMin; x <= xMax; x++) { |
| | | Geometry point = new Geometry(ogr.wkbPoint); |
| | | point.AddPoint(minX + pixelWidth * x, maxY - pixelHeight * y); |
| | | if (geo.Intersects(point)) { |
| | | for (int i = 1; i <= bandCount; i++) { |
| | | double[] values = new double[1]; |
| | | ds.GetRasterBand(i).ReadRaster(x, y, 1, 1, values); |
| | | list.add(values[0]); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | processResult(list, entity);*/ |
| | | |
| | | //double dis = GeoHelper.getDistance1() |
| | | |
| | | double lineDis = getPolylineDistance(geo); |
| | | double distance = lineDis / Math.max(geo.GetPointCount(), size); |
| | | |
| | | List<double[]> list = getPointsByDistance(geo, distance); |
| | | } |
| | | |
| | | /** |
| | | * 分析线 |
| | | */ |
| | | public void analysisPolyline2(AnalysisResultEntity entity, Dataset ds, Geometry geo, int size) { |
| | | double[] transform = ds.GetGeoTransform(); |
| | | // double rotationX = transform[2]; double rotationY = transform[4] |
| | | double minX = transform[0], pixelWidth = transform[1], maxY = transform[3], pixelHeight = Math.abs(transform[5]); |
| | |
| | | return gdal.Warp("", new Dataset[]{dataset}, new WarpOptions(warpOptions)); |
| | | } |
| | | |
| | | public void processClippedDataByPolygon(String imagePath, String geometryString) { |
| | | // 注册GDAL驱动 |
| | | gdal.AllRegister(); |
| | | // 打开栅格图像数据集 |
| | | Dataset dataset = gdal.Open(imagePath); |
| | | if (dataset == null) { |
| | | throw new RuntimeException("Failed to open raster dataset."); |
| | | /** |
| | | * 获取折线距离 |
| | | */ |
| | | private double getPolylineDistance(Geometry geo) { |
| | | double dis = 0; |
| | | for (int i = 0, c = geo.GetPointCount() - 1; i < c; i++) { |
| | | double[] xy1 = geo.GetPoint(i); |
| | | double[] xy2 = geo.GetPoint(i + 1); |
| | | |
| | | dis += GeoHelper.getDistance2(xy1[0], xy1[1], xy2[0], xy2[1]); |
| | | } |
| | | |
| | | Geometry geometry = Geometry.CreateFromWkt(geometryString); |
| | | return dis; |
| | | } |
| | | |
| | | Dataset clippedDataset = clipRaster(dataset, geometry); |
| | | /** |
| | | * 根据距离获取节点 |
| | | */ |
| | | private List<double[]> getPointsByDistance(Geometry geo, double distance) { |
| | | List<double[]> list = new ArrayList<>(); |
| | | for (int i = 0, c = geo.GetPointCount() - 1; i < c; i++) { |
| | | double[] xy1 = geo.GetPoint(i); |
| | | double[] xy2 = geo.GetPoint(i + 1); |
| | | |
| | | int width = clippedDataset.GetRasterXSize(); |
| | | int height = clippedDataset.GetRasterYSize(); |
| | | int bandCount = clippedDataset.getRasterCount(); |
| | | double dis = GeoHelper.getDistance2(xy1[0], xy1[1], xy2[0], xy2[1]); |
| | | |
| | | double[] bandSum = new double[bandCount]; |
| | | for (int bandIndex = 1; bandIndex <= bandCount; bandIndex++) { |
| | | Band band = clippedDataset.GetRasterBand(bandIndex); |
| | | |
| | | double[] pixelValues = new double[width * height]; |
| | | band.ReadRaster(0, 0, width, height, pixelValues); |
| | | |
| | | // 多波段归一化处理 |
| | | bandSum[bandIndex - 1] = pixelValues[0]; |
| | | } |
| | | |
| | | return list; |
| | | } |
| | | } |