| | |
| | | if (endY > ds.getRasterYSize()) endY = ds.getRasterYSize(); |
| | | if (endX - startX < 1 || endY - startY < 1) return null; |
| | | |
| | | float[] values = new float[1]; |
| | | /*float[] values = new float[1]; |
| | | List<PointDto> points = new ArrayList<>(); |
| | | for (int x = startX; x <= endX; x++) { |
| | | for (int y = startY; y <= endY; y++) { |
| | |
| | | if (Float.isNaN(values[0]) || values[0] < -999 || !isContains(g, X, Y)) continue; |
| | | points.add(new PointDto(X, Y, values[0])); |
| | | } |
| | | }*/ |
| | | |
| | | List<XYDto> xyList = new ArrayList<>(); |
| | | for (int x = startX; x <= endX; x++) { |
| | | for (int y = startY; y <= endY; y++) { |
| | | xyList.add(new XYDto(x, y)); |
| | | } |
| | | } |
| | | |
| | | List<PointDto> points = new CopyOnWriteArrayList<>(); |
| | | xyList.stream().forEach(xy -> { |
| | | double X = transform[0] + xy.getX() * transform[1] + xy.getY() * transform[2]; |
| | | double Y = transform[3] + xy.getX() * transform[4] + xy.getY() * transform[5]; |
| | | |
| | | float[] values = new float[1]; |
| | | ds.GetRasterBand(1).ReadRaster(xy.getX(), xy.getY(), 1, 1, values); |
| | | if (Float.isNaN(values[0]) || values[0] < -999 || !isContains(g, X, Y)) return; |
| | | |
| | | points.add(new PointDto(X, Y, values[0])); |
| | | }); |
| | | |
| | | return points; |
| | | } |
| | | |