Exemplo n.º 1
0
  /**
   * Test Read exploiting JAI-ImageIO tools capabilities and GDAL warp.
   *
   * @throws FileNotFoundException
   * @throws IOException
   */
  @Test
  public void readWithWarp() throws FileNotFoundException, IOException {
    if (!isGDALAvailable) {
      return;
    }
    final ParameterBlockJAI pbjImageRead;
    String fileName = "utmByte.tif";
    final File file = TestData.file(this, fileName);

    SpatialReference destinationReference = new SpatialReference();
    destinationReference.SetProjCS("UTM 17 (WGS84) in northern hemisphere.");
    destinationReference.SetWellKnownGeogCS("WGS84");
    destinationReference.SetUTM(17, 1);

    GDALImageReadParam readParam = new GDALImageReadParam();
    readParam.setDestinationWkt(destinationReference.ExportToWkt());
    readParam.setResampleAlgorithm(ResampleAlgorithm.CUBIC);

    pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", new FileImageInputStreamExtImpl(file));
    pbjImageRead.setParameter("Reader", new GeoTiffImageReaderSpi().createReaderInstance());
    pbjImageRead.setParameter("ReadParam", readParam);
    RenderedOp image = JAI.create("ImageRead", pbjImageRead);
    if (TestData.isInteractiveTest()) Viewer.visualizeAllInformation(image, "", true);
    else Assert.assertNotNull(image.getTiles());
  }
Exemplo n.º 2
0
  /** ********************************************************************* */
  public static void main(String[] args) {
    {
      Dataset hDataset;
      Band hBand;
      int i, iBand;
      double[] adfGeoTransform = new double[6];
      Driver hDriver;
      Vector papszMetadata;
      boolean bComputeMinMax = false, bSample = false;
      boolean bShowGCPs = true, bShowMetadata = true;
      boolean bStats = false, bApproxStats = true;
      boolean bShowColorTable = true, bComputeChecksum = false;
      boolean bReportHistograms = false;
      boolean bShowRAT = true;
      String pszFilename = null;
      Vector papszFileList;
      Vector papszExtraMDDomains = new Vector();

      gdal.AllRegister();

      args = gdal.GeneralCmdLineProcessor(args);

      if (args.length < 1) {
        Usage();
        System.exit(0);
      }
      /* -------------------------------------------------------------------- */
      /*      Parse arguments.                                                */
      /* -------------------------------------------------------------------- */
      for (i = 0; i < args.length; i++) {
        if (args[i].equals("-mm")) bComputeMinMax = true;
        else if (args[i].equals("-hist")) bReportHistograms = true;
        else if (args[i].equals("-stats")) {
          bStats = true;
          bApproxStats = false;
        } else if (args[i].equals("-approx_stats")) {
          bStats = true;
          bApproxStats = true;
        } else if (args[i].equals("-nogcp")) bShowGCPs = false;
        else if (args[i].equals("-noct")) bShowColorTable = false;
        else if (args[i].equals("-nomd")) bShowMetadata = false;
        else if (args[i].equals("-norat")) bShowRAT = false;
        else if (args[i].equals("-checksum")) bComputeChecksum = true;
        else if (args[i].equals("-mdd") && i + 1 < args.length)
          papszExtraMDDomains.addElement(args[++i]);
        else if (args[i].startsWith("-")) Usage();
        else if (pszFilename == null) pszFilename = args[i];
        else Usage();
      }
      if (pszFilename == null) Usage();

      /* -------------------------------------------------------------------- */
      /*      Open dataset.                                                   */
      /* -------------------------------------------------------------------- */
      hDataset = gdal.Open(pszFilename, gdalconstConstants.GA_ReadOnly);

      if (hDataset == null) {
        System.err.println("GDALOpen failed - " + gdal.GetLastErrorNo());
        System.err.println(gdal.GetLastErrorMsg());

        // gdal.DumpOpenDatasets( stderr );

        // gdal.DestroyDriverManager();

        // gdal.DumpSharedList( null );

        System.exit(1);
      }

      /* -------------------------------------------------------------------- */
      /*      Report general info.                                            */
      /* -------------------------------------------------------------------- */
      hDriver = hDataset.GetDriver();
      System.out.println("Driver: " + hDriver.getShortName() + "/" + hDriver.getLongName());

      papszFileList = hDataset.GetFileList();
      if (papszFileList.size() == 0) {
        System.out.println("Files: none associated");
      } else {
        Enumeration e = papszFileList.elements();
        System.out.println("Files: " + (String) e.nextElement());
        while (e.hasMoreElements()) System.out.println("       " + (String) e.nextElement());
      }

      System.out.println("Size is " + hDataset.getRasterXSize() + ", " + hDataset.getRasterYSize());

      /* -------------------------------------------------------------------- */
      /*      Report projection.                                              */
      /* -------------------------------------------------------------------- */
      if (hDataset.GetProjectionRef() != null) {
        SpatialReference hSRS;
        String pszProjection;

        pszProjection = hDataset.GetProjectionRef();

        hSRS = new SpatialReference(pszProjection);
        if (hSRS != null && pszProjection.length() != 0) {
          String[] pszPrettyWkt = new String[1];

          hSRS.ExportToPrettyWkt(pszPrettyWkt, 0);
          System.out.println("Coordinate System is:");
          System.out.println(pszPrettyWkt[0]);
          // gdal.CPLFree( pszPrettyWkt );
        } else System.out.println("Coordinate System is `" + hDataset.GetProjectionRef() + "'");

        hSRS.delete();
      }

      /* -------------------------------------------------------------------- */
      /*      Report Geotransform.                                            */
      /* -------------------------------------------------------------------- */
      hDataset.GetGeoTransform(adfGeoTransform);
      {
        if (adfGeoTransform[2] == 0.0 && adfGeoTransform[4] == 0.0) {
          System.out.println("Origin = (" + adfGeoTransform[0] + "," + adfGeoTransform[3] + ")");

          System.out.println(
              "Pixel Size = (" + adfGeoTransform[1] + "," + adfGeoTransform[5] + ")");
        } else {
          System.out.println("GeoTransform =");
          System.out.println(
              "  " + adfGeoTransform[0] + ", " + adfGeoTransform[1] + ", " + adfGeoTransform[2]);
          System.out.println(
              "  " + adfGeoTransform[3] + ", " + adfGeoTransform[4] + ", " + adfGeoTransform[5]);
        }
      }

      /* -------------------------------------------------------------------- */
      /*      Report GCPs.                                                    */
      /* -------------------------------------------------------------------- */
      if (bShowGCPs && hDataset.GetGCPCount() > 0) {
        System.out.println("GCP Projection = " + hDataset.GetGCPProjection());

        int count = 0;
        Vector GCPs = new Vector();
        hDataset.GetGCPs(GCPs);

        Enumeration e = GCPs.elements();
        while (e.hasMoreElements()) {
          GCP gcp = (GCP) e.nextElement();
          System.out.println(
              "GCP[" + (count++) + "]: Id=" + gcp.getId() + ", Info=" + gcp.getInfo());
          System.out.println(
              "    ("
                  + gcp.getGCPPixel()
                  + ","
                  + gcp.getGCPLine()
                  + ") ("
                  + gcp.getGCPX()
                  + ","
                  + gcp.getGCPY()
                  + ","
                  + gcp.getGCPZ()
                  + ")");
        }
      }

      /* -------------------------------------------------------------------- */
      /*      Report metadata.                                                */
      /* -------------------------------------------------------------------- */
      papszMetadata = hDataset.GetMetadata_List("");
      if (bShowMetadata && papszMetadata.size() > 0) {
        Enumeration keys = papszMetadata.elements();
        System.out.println("Metadata:");
        while (keys.hasMoreElements()) {
          System.out.println("  " + (String) keys.nextElement());
        }
      }

      Enumeration eExtraMDDDomains = papszExtraMDDomains.elements();
      while (eExtraMDDDomains.hasMoreElements()) {
        String pszDomain = (String) eExtraMDDDomains.nextElement();
        papszMetadata = hDataset.GetMetadata_List(pszDomain);
        if (bShowMetadata && papszMetadata.size() > 0) {
          Enumeration keys = papszMetadata.elements();
          System.out.println("Metadata (" + pszDomain + "):");
          while (keys.hasMoreElements()) {
            System.out.println("  " + (String) keys.nextElement());
          }
        }
      }
      /* -------------------------------------------------------------------- */
      /*      Report "IMAGE_STRUCTURE" metadata.                              */
      /* -------------------------------------------------------------------- */
      papszMetadata = hDataset.GetMetadata_List("IMAGE_STRUCTURE");
      if (bShowMetadata && papszMetadata.size() > 0) {
        Enumeration keys = papszMetadata.elements();
        System.out.println("Image Structure Metadata:");
        while (keys.hasMoreElements()) {
          System.out.println("  " + (String) keys.nextElement());
        }
      }
      /* -------------------------------------------------------------------- */
      /*      Report subdatasets.                                             */
      /* -------------------------------------------------------------------- */
      papszMetadata = hDataset.GetMetadata_List("SUBDATASETS");
      if (papszMetadata.size() > 0) {
        System.out.println("Subdatasets:");
        Enumeration keys = papszMetadata.elements();
        while (keys.hasMoreElements()) {
          System.out.println("  " + (String) keys.nextElement());
        }
      }

      /* -------------------------------------------------------------------- */
      /*      Report geolocation.                                             */
      /* -------------------------------------------------------------------- */
      papszMetadata = hDataset.GetMetadata_List("GEOLOCATION");
      if (papszMetadata.size() > 0) {
        System.out.println("Geolocation:");
        Enumeration keys = papszMetadata.elements();
        while (keys.hasMoreElements()) {
          System.out.println("  " + (String) keys.nextElement());
        }
      }

      /* -------------------------------------------------------------------- */
      /*      Report RPCs                                                     */
      /* -------------------------------------------------------------------- */
      papszMetadata = hDataset.GetMetadata_List("RPC");
      if (papszMetadata.size() > 0) {
        System.out.println("RPC Metadata:");
        Enumeration keys = papszMetadata.elements();
        while (keys.hasMoreElements()) {
          System.out.println("  " + (String) keys.nextElement());
        }
      }

      /* -------------------------------------------------------------------- */
      /*      Report corners.                                                 */
      /* -------------------------------------------------------------------- */
      System.out.println("Corner Coordinates:");
      GDALInfoReportCorner(hDataset, "Upper Left ", 0.0, 0.0);
      GDALInfoReportCorner(hDataset, "Lower Left ", 0.0, hDataset.getRasterYSize());
      GDALInfoReportCorner(hDataset, "Upper Right", hDataset.getRasterXSize(), 0.0);
      GDALInfoReportCorner(
          hDataset, "Lower Right", hDataset.getRasterXSize(), hDataset.getRasterYSize());
      GDALInfoReportCorner(
          hDataset,
          "Center     ",
          hDataset.getRasterXSize() / 2.0,
          hDataset.getRasterYSize() / 2.0);

      /* ==================================================================== */
      /*      Loop over bands.                                                */
      /* ==================================================================== */
      for (iBand = 0; iBand < hDataset.getRasterCount(); iBand++) {
        Double[] pass1 = new Double[1], pass2 = new Double[1];
        double[] adfCMinMax = new double[2];
        ColorTable hTable;

        hBand = hDataset.GetRasterBand(iBand + 1);

        /*if( bSample )
        {
        float[] afSample = new float[10000];
        int   nCount;

        nCount = hBand.GetRandomRasterSample( 10000, afSample );
        System.out.println( "Got " + nCount + " samples." );
        }*/

        int[] blockXSize = new int[1];
        int[] blockYSize = new int[1];
        hBand.GetBlockSize(blockXSize, blockYSize);
        System.out.println(
            "Band "
                + (iBand + 1)
                + " Block="
                + blockXSize[0]
                + "x"
                + blockYSize[0]
                + " Type="
                + gdal.GetDataTypeName(hBand.getDataType())
                + ", ColorInterp="
                + gdal.GetColorInterpretationName(hBand.GetRasterColorInterpretation()));

        String hBandDesc = hBand.GetDescription();
        if (hBandDesc != null && hBandDesc.length() > 0)
          System.out.println("  Description = " + hBandDesc);

        hBand.GetMinimum(pass1);
        hBand.GetMaximum(pass2);
        if (pass1[0] != null || pass2[0] != null || bComputeMinMax) {
          System.out.print("  ");
          if (pass1[0] != null) System.out.print("Min=" + pass1[0] + " ");
          if (pass2[0] != null) System.out.print("Max=" + pass2[0] + " ");

          if (bComputeMinMax) {
            hBand.ComputeRasterMinMax(adfCMinMax, 0);
            System.out.print("  Computed Min/Max=" + adfCMinMax[0] + "," + adfCMinMax[1]);
          }

          System.out.print("\n");
        }

        double dfMin[] = new double[1];
        double dfMax[] = new double[1];
        double dfMean[] = new double[1];
        double dfStdDev[] = new double[1];
        if (hBand.GetStatistics(bApproxStats, bStats, dfMin, dfMax, dfMean, dfStdDev)
            == gdalconstConstants.CE_None) {
          System.out.println(
              "  Minimum="
                  + dfMin[0]
                  + ", Maximum="
                  + dfMax[0]
                  + ", Mean="
                  + dfMean[0]
                  + ", StdDev="
                  + dfStdDev[0]);
        }

        if (bReportHistograms) {
          int[][] panHistogram = new int[1][];
          int eErr =
              hBand.GetDefaultHistogram(
                  dfMin, dfMax, panHistogram, true, new TermProgressCallback());
          if (eErr == gdalconstConstants.CE_None) {
            int iBucket;
            int nBucketCount = panHistogram[0].length;
            System.out.print(
                "  " + nBucketCount + " buckets from " + dfMin[0] + " to " + dfMax[0] + ":\n  ");
            for (iBucket = 0; iBucket < nBucketCount; iBucket++)
              System.out.print(panHistogram[0][iBucket] + " ");
            System.out.print("\n");
          }
        }

        if (bComputeChecksum) {
          System.out.println("  Checksum=" + hBand.Checksum());
        }

        hBand.GetNoDataValue(pass1);
        if (pass1[0] != null) {
          System.out.println("  NoData Value=" + pass1[0]);
        }

        if (hBand.GetOverviewCount() > 0) {
          int iOverview;

          System.out.print("  Overviews: ");
          for (iOverview = 0; iOverview < hBand.GetOverviewCount(); iOverview++) {
            Band hOverview;

            if (iOverview != 0) System.out.print(", ");

            hOverview = hBand.GetOverview(iOverview);
            System.out.print(hOverview.getXSize() + "x" + hOverview.getYSize());
          }
          System.out.print("\n");

          if (bComputeChecksum) {
            System.out.print("  Overviews checksum: ");
            for (iOverview = 0; iOverview < hBand.GetOverviewCount(); iOverview++) {
              Band hOverview;

              if (iOverview != 0) System.out.print(", ");

              hOverview = hBand.GetOverview(iOverview);
              System.out.print(hOverview.Checksum());
            }
            System.out.print("\n");
          }
        }

        if (hBand.HasArbitraryOverviews()) {
          System.out.println("  Overviews: arbitrary");
        }

        int nMaskFlags = hBand.GetMaskFlags();
        if ((nMaskFlags & (gdalconstConstants.GMF_NODATA | gdalconstConstants.GMF_ALL_VALID))
            == 0) {
          Band hMaskBand = hBand.GetMaskBand();

          System.out.print("  Mask Flags: ");
          if ((nMaskFlags & gdalconstConstants.GMF_PER_DATASET) != 0)
            System.out.print("PER_DATASET ");
          if ((nMaskFlags & gdalconstConstants.GMF_ALPHA) != 0) System.out.print("ALPHA ");
          if ((nMaskFlags & gdalconstConstants.GMF_NODATA) != 0) System.out.print("NODATA ");
          if ((nMaskFlags & gdalconstConstants.GMF_ALL_VALID) != 0) System.out.print("ALL_VALID ");
          System.out.print("\n");

          if (hMaskBand != null && hMaskBand.GetOverviewCount() > 0) {
            int iOverview;

            System.out.print("  Overviews of mask band: ");
            for (iOverview = 0; iOverview < hMaskBand.GetOverviewCount(); iOverview++) {
              Band hOverview;

              if (iOverview != 0) System.out.print(", ");

              hOverview = hMaskBand.GetOverview(iOverview);
              System.out.print(hOverview.getXSize() + "x" + hOverview.getYSize());
            }
            System.out.print("\n");
          }
        }

        if (hBand.GetUnitType() != null && hBand.GetUnitType().length() > 0) {
          System.out.println("  Unit Type: " + hBand.GetUnitType());
        }

        Vector papszCategories = hBand.GetRasterCategoryNames();
        if (papszCategories.size() > 0) {
          System.out.println("  Categories:");
          Enumeration eCategories = papszCategories.elements();
          i = 0;
          while (eCategories.hasMoreElements()) {
            System.out.println("    " + i + ": " + (String) eCategories.nextElement());
            i++;
          }
        }

        hBand.GetOffset(pass1);
        if (pass1[0] != null && pass1[0].doubleValue() != 0) {
          System.out.print("  Offset: " + pass1[0]);
        }
        hBand.GetScale(pass1);
        if (pass1[0] != null && pass1[0].doubleValue() != 1) {
          System.out.println(",   Scale:" + pass1[0]);
        }

        papszMetadata = hBand.GetMetadata_List("");
        if (bShowMetadata && papszMetadata.size() > 0) {
          Enumeration keys = papszMetadata.elements();
          System.out.println("  Metadata:");
          while (keys.hasMoreElements()) {
            System.out.println("    " + (String) keys.nextElement());
          }
        }
        if (hBand.GetRasterColorInterpretation() == gdalconstConstants.GCI_PaletteIndex
            && (hTable = hBand.GetRasterColorTable()) != null) {
          int count;

          System.out.println(
              "  Color Table ("
                  + gdal.GetPaletteInterpretationName(hTable.GetPaletteInterpretation())
                  + " with "
                  + hTable.GetCount()
                  + " entries)");

          if (bShowColorTable) {
            for (count = 0; count < hTable.GetCount(); count++) {
              System.out.println(" " + count + ": " + hTable.GetColorEntry(count));
            }
          }
        }

        RasterAttributeTable rat = hBand.GetDefaultRAT();
        if (bShowRAT && rat != null) {
          System.out.print("<GDALRasterAttributeTable ");
          double[] pdfRow0Min = new double[1];
          double[] pdfBinSize = new double[1];
          if (rat.GetLinearBinning(pdfRow0Min, pdfBinSize)) {
            System.out.print(
                "Row0Min=\"" + pdfRow0Min[0] + "\" BinSize=\"" + pdfBinSize[0] + "\">");
          }
          System.out.print("\n");
          int colCount = rat.GetColumnCount();
          for (int col = 0; col < colCount; col++) {
            System.out.println("  <FieldDefn index=\"" + col + "\">");
            System.out.println("    <Name>" + rat.GetNameOfCol(col) + "</Name>");
            System.out.println("    <Type>" + rat.GetTypeOfCol(col) + "</Type>");
            System.out.println("    <Usage>" + rat.GetUsageOfCol(col) + "</Usage>");
            System.out.println("  </FieldDefn>");
          }
          int rowCount = rat.GetRowCount();
          for (int row = 0; row < rowCount; row++) {
            System.out.println("  <Row index=\"" + row + "\">");
            for (int col = 0; col < colCount; col++) {
              System.out.println("    <F>" + rat.GetValueAsString(row, col) + "</F>");
            }
            System.out.println("  </Row>");
          }
          System.out.println("</GDALRasterAttributeTable>");
        }
      }

      hDataset.delete();

      /* Optional */
      gdal.GDALDestroyDriverManager();

      System.exit(0);
    }
  }
Exemplo n.º 3
0
  /** ********************************************************************* */
  static boolean GDALInfoReportCorner(Dataset hDataset, String corner_name, double x, double y) {

    double dfGeoX, dfGeoY;
    String pszProjection;
    double[] adfGeoTransform = new double[6];
    CoordinateTransformation hTransform = null;

    System.out.print(corner_name + " ");

    /* -------------------------------------------------------------------- */
    /*      Transform the point into georeferenced coordinates.             */
    /* -------------------------------------------------------------------- */
    hDataset.GetGeoTransform(adfGeoTransform);
    {
      pszProjection = hDataset.GetProjectionRef();

      dfGeoX = adfGeoTransform[0] + adfGeoTransform[1] * x + adfGeoTransform[2] * y;
      dfGeoY = adfGeoTransform[3] + adfGeoTransform[4] * x + adfGeoTransform[5] * y;
    }

    if (adfGeoTransform[0] == 0
        && adfGeoTransform[1] == 0
        && adfGeoTransform[2] == 0
        && adfGeoTransform[3] == 0
        && adfGeoTransform[4] == 0
        && adfGeoTransform[5] == 0) {
      System.out.println("(" + x + "," + y + ")");
      return false;
    }

    /* -------------------------------------------------------------------- */
    /*      Report the georeferenced coordinates.                           */
    /* -------------------------------------------------------------------- */
    System.out.print("(" + dfGeoX + "," + dfGeoY + ") ");

    /* -------------------------------------------------------------------- */
    /*      Setup transformation to lat/long.                               */
    /* -------------------------------------------------------------------- */
    if (pszProjection != null && pszProjection.length() > 0) {
      SpatialReference hProj, hLatLong = null;

      hProj = new SpatialReference(pszProjection);
      if (hProj != null) hLatLong = hProj.CloneGeogCS();

      if (hLatLong != null) {
        gdal.PushErrorHandler("CPLQuietErrorHandler");
        hTransform = new CoordinateTransformation(hProj, hLatLong);
        gdal.PopErrorHandler();
        hLatLong.delete();
        if (gdal.GetLastErrorMsg().indexOf("Unable to load PROJ.4 library") != -1)
          hTransform = null;
      }

      if (hProj != null) hProj.delete();
    }

    /* -------------------------------------------------------------------- */
    /*      Transform to latlong and report.                                */
    /* -------------------------------------------------------------------- */
    if (hTransform != null) {
      double[] transPoint = new double[3];
      hTransform.TransformPoint(transPoint, dfGeoX, dfGeoY, 0);
      System.out.print("(" + gdal.DecToDMS(transPoint[0], "Long", 2));
      System.out.print("," + gdal.DecToDMS(transPoint[1], "Lat", 2) + ")");
    }

    if (hTransform != null) hTransform.delete();

    System.out.println("");

    return true;
  }