| | |
| | | public void setTerrainInfo(Dataset ds, LayerDto layer) { |
| | | Geometry minPoint = GdalHelper.getMinPoint(ds); |
| | | Geometry maxPoint = GdalHelper.getMaxPoint(ds); |
| | | double minx = ComHelper.getMinVal(minPoint.GetX(0), 10000000); |
| | | double miny = ComHelper.getMinVal(minPoint.GetY(0), 10000000); |
| | | double maxx = ComHelper.getMaxVal(maxPoint.GetX(0) + MAX_X_OFFSET, 10000000); |
| | | double maxy = ComHelper.getMaxVal(maxPoint.GetY(0), 10000000); |
| | | // double minx = ComHelper.getMinVal(minPoint.GetX(0), 10000000); |
| | | // double miny = ComHelper.getMinVal(minPoint.GetY(0), 10000000); |
| | | // double maxx = ComHelper.getMaxVal(maxPoint.GetX(0) + MAX_X_OFFSET, 10000000); |
| | | // double maxy = ComHelper.getMaxVal(maxPoint.GetY(0), 10000000); |
| | | double minx = Double.MAX_VALUE; |
| | | double miny = Double.MAX_VALUE; |
| | | double maxx = Double.MIN_VALUE; |
| | | double maxy = Double.MIN_VALUE; |
| | | //layer.setExtension(new ExtensionDto(minx, miny, maxx, maxy, Double.MAX_VALUE, Double.MIN_VALUE)); |
| | | |
| | | Band band = ds.GetRasterBand(1); |
| | |
| | | layer.getExtension().setDiffer(); |
| | | } |
| | | |
| | | private double[] readTifBbox(Dataset ds) { |
| | | // 1. 获取图像尺寸 |
| | | int width = ds.getRasterXSize(); |
| | | int height = ds.getRasterYSize(); |
| | | |
| | | // 2. 获取GeoTransform参数 |
| | | double[] geoTransform = new double[6]; |
| | | ds.GetGeoTransform(geoTransform); |
| | | |
| | | // 3. 解析GeoTransform参数(经纬度坐标) |
| | | double originLon = geoTransform[0]; // 左上角经度 |
| | | double originLat = geoTransform[3]; // 左上角纬度 |
| | | double pixelWidth = geoTransform[1]; // 经度方向分辨率(度/像素) |
| | | double pixelHeight = geoTransform[5]; // 纬度方向分辨率(度/像素,通常为负) |
| | | |
| | | // 4. 计算四至范围(经纬度) |
| | | double minLon = Math.min(originLon, originLon + width * pixelWidth); |
| | | double maxLon = Math.max(originLon, originLon + width * pixelWidth); |
| | | double minLat = Math.min(originLat, originLat + height * pixelHeight); |
| | | double maxLat = Math.max(originLat, originLat + height * pixelHeight); |
| | | return new double[] {minLon, maxLon, minLat, maxLat}; |
| | | } |
| | | |
| | | public void processWaters(ResultDto dto, List<String> files, LayerDto layer) { |
| | | for (int i = 0, c = files.size(); i < c; i++) { |
| | | Dataset ds = null; |