Esempio n. 1
0
 /** Transforms a single coordinate point. */
 @Override
 public DirectPosition transform(final DirectPosition ptSrc, DirectPosition ptDst)
     throws MismatchedDimensionException, TransformException {
   final int srcDim = source.getDimension();
   final int tgtDim = target.getDimension();
   if (ptSrc.getDimension() != srcDim) {
     throw new MismatchedDimensionException();
   }
   double[] ordinates = new double[Math.max(srcDim, tgtDim)];
   for (int i = 0; i < srcDim; i++) {
     ordinates[i] = ptSrc.getOrdinate(i);
   }
   source.pj.transform(target.pj, ordinates.length, ordinates, 0, 1);
   if (ptDst != null) {
     if (ptDst.getDimension() != tgtDim) {
       throw new MismatchedDimensionException();
     }
     for (int i = 0; i < tgtDim; i++) {
       ptDst.setOrdinate(i, ordinates[i]);
     }
   } else {
     if (ordinates.length != tgtDim) {
       ordinates = Arrays.copyOf(ordinates, tgtDim);
     }
     ptDst = new SimpleDirectPosition(ordinates);
   }
   return ptDst;
 }
  public static HashMap<String, Double> getRegionParamsFromGridCoverage(
      GridCoverage2D gridCoverage) {
    HashMap<String, Double> envelopeParams = new HashMap<String, Double>();

    Envelope envelope = gridCoverage.getEnvelope();

    DirectPosition lowerCorner = envelope.getLowerCorner();
    double[] westSouth = lowerCorner.getCoordinate();
    DirectPosition upperCorner = envelope.getUpperCorner();
    double[] eastNorth = upperCorner.getCoordinate();

    GridGeometry2D gridGeometry = gridCoverage.getGridGeometry();
    GridEnvelope2D gridRange = gridGeometry.getGridRange2D();
    int height = gridRange.height;
    int width = gridRange.width;

    AffineTransform gridToCRS = (AffineTransform) gridGeometry.getGridToCRS();
    double xRes = XAffineTransform.getScaleX0(gridToCRS);
    double yRes = XAffineTransform.getScaleY0(gridToCRS);

    envelopeParams.put(NORTH, eastNorth[1]);
    envelopeParams.put(SOUTH, westSouth[1]);
    envelopeParams.put(WEST, westSouth[0]);
    envelopeParams.put(EAST, eastNorth[0]);
    envelopeParams.put(XRES, xRes);
    envelopeParams.put(YRES, yRes);
    envelopeParams.put(ROWS, (double) height);
    envelopeParams.put(COLS, (double) width);

    return envelopeParams;
  }
 public TemplateTile(TileRequest req, SampleSource sampleSource) {
   super(req);
   this.samples = new Sample[width * height];
   CoordinateReferenceSystem crs = gg.getCoordinateReferenceSystem2D();
   int i = 0;
   try {
     MathTransform tr = CRS.findMathTransform(crs, DefaultGeographicCRS.WGS84);
     // grid coordinate object to be reused for examining each cell
     GridCoordinates2D coord = new GridCoordinates2D();
     for (int gy = 0; gy < height; gy++) {
       if (gy % 100 == 0) LOG.trace("raster line {} / {}", gy, height);
       for (int gx = 0; gx < width; gx++) {
         coord.x = gx;
         coord.y = gy;
         // find coordinates for current raster cell in tile CRS
         DirectPosition sourcePos = gg.gridToWorld(coord);
         // convert coordinates in tile CRS to WGS84
         // LOG.debug("world : {}", sourcePos);
         tr.transform(sourcePos, sourcePos);
         // LOG.debug("wgs84 : {}", sourcePos);
         // axis order can vary
         double lon = sourcePos.getOrdinate(0);
         double lat = sourcePos.getOrdinate(1);
         // TODO: axes are reversed in the default mathtransform
         Sample s = sampleSource.getSample(lon, lat);
         samples[i++] = s;
       }
     }
   } catch (Exception e) {
     LOG.error(e.toString());
     e.printStackTrace();
   }
 }
Esempio n. 4
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 /** Returns {@code true} if this direct position is equals to the given object. */
 @Override
 public boolean equals(final Object object) {
   if (object instanceof DirectPosition) {
     final DirectPosition other = (DirectPosition) object;
     if (other.getCoordinateReferenceSystem() == null) {
       return Arrays.equals(ordinates, other.getCoordinate());
     }
   }
   return false;
 }
Esempio n. 5
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  /**
   * Executes a linear Interpolation between two positions and returns the DirectPosition at the
   * distance 'par' on this straight line
   *
   * <p>This method is NON-ROBUST, e.g. it might suffer by errors caused by the Floating-point
   * arithmetic
   *
   * @param p0 - start position of linear interpolation
   * @param p1 - end position of linear interpolation
   * @param par - distance on the straight line, for which to search DirectPosition (from p0 to p1)
   * @return Position on the straight line at parameter 'par'
   */
  public static DirectPositionImpl linearInterpolate(
      DirectPosition p0, DirectPosition p1, double par) {
    // Test ok

    // 0.0 <= factor <= 1.0
    // par = 0 => result = dp0
    // par = 1 => result = dp1
    double[] coord = AlgoPointND.evaluate(p0.getCoordinates(), p1.getCoordinates(), par);
    return new DirectPositionImpl(p0.getCoordinateReferenceSystem(), coord);
  }
Esempio n. 6
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 public boolean contains(DirectPosition location) {
   ensureCompatibleReferenceSystem(location);
   if (isEmpty()) {
     return false;
   }
   return location.getOrdinate(0) >= getMinX()
       && location.getOrdinate(0) <= getMaxX()
       && location.getOrdinate(1) >= getMinY()
       && location.getOrdinate(1) <= getMaxY();
 }
 /** Formats the specified position. */
 static String toString(final DirectPosition position) {
   final StringBuilder buffer = new StringBuilder(Classes.getShortClassName(position)).append('[');
   final int dimension = position.getDimension();
   for (int i = 0; i < dimension; i++) {
     if (i != 0) {
       buffer.append(", ");
     }
     buffer.append(position.getOrdinate(i));
   }
   return buffer.append(']').toString();
 }
 /** Returns a hash value for the given coordinate. */
 static int hashCode(final DirectPosition position) {
   final int dimension = position.getDimension();
   int code = 1;
   for (int i = 0; i < dimension; i++) {
     final long bits = Double.doubleToLongBits(position.getOrdinate(i));
     code = 31 * code + ((int) (bits) ^ (int) (bits >>> 32));
   }
   final CoordinateReferenceSystem crs = position.getCoordinateReferenceSystem();
   if (crs != null) {
     code += crs.hashCode();
   }
   return code;
 }
 /**
  * Sets this direct position to the given position. If the given position is {@code null}, then
  * all ordinate values are set to {@linkplain Double#NaN NaN}.
  *
  * @param position The new position.
  * @since 2.5
  */
 public void setPosition(final DirectPosition position) {
   final int dimension = getDimension();
   if (position != null) {
     ensureDimensionMatch("position", position.getDimension(), dimension);
     for (int i = 0; i < dimension; i++) {
       setOrdinate(i, position.getOrdinate(i));
     }
   } else {
     for (int i = 0; i < dimension; i++) {
       setOrdinate(i, Double.NaN);
     }
   }
 }
Esempio n. 10
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 /**
  * Make sure that the specified location uses the same CRS as this one.
  *
  * @param location
  * @throws MismatchedReferenceSystemException if the CRS are incompatible.
  */
 protected void ensureCompatibleReferenceSystem(DirectPosition location) {
   if (crs != null) {
     final CoordinateReferenceSystem other = location.getCoordinateReferenceSystem();
     if (other != null) {
       if (!CRS.equalsIgnoreMetadata(crs, other)) {
         throw new MismatchedReferenceSystemException(
             Errors.format(ErrorKeys.MISMATCHED_COORDINATE_REFERENCE_SYSTEM));
       }
     }
   }
 }
 /**
  * Returns {@code true} if the specified object is also a {@linkplain DirectPosition direct
  * position} with equals {@linkplain #getCoordinate coordinate} and {@linkplain
  * #getCoordinateReferenceSystem CRS}.
  *
  * @param object The object to compare with this position.
  * @return {@code true} if the given object is equals to this position.
  */
 @Override
 public boolean equals(final Object object) {
   if (object instanceof DirectPosition) {
     final DirectPosition that = (DirectPosition) object;
     final int dimension = getDimension();
     if (dimension == that.getDimension()) {
       for (int i = 0; i < dimension; i++) {
         if (!Utilities.equals(this.getOrdinate(i), that.getOrdinate(i))) {
           return false;
         }
       }
       if (Utilities.equals(
           this.getCoordinateReferenceSystem(), that.getCoordinateReferenceSystem())) {
         assert hashCode() == that.hashCode() : this;
         return true;
       }
     }
   }
   return false;
 }
Esempio n. 12
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  private void storeResult(
      double[] interpolatedValues, HashMap<Integer, Coordinate> interpolatedCoordinatesMap)
      throws MismatchedDimensionException, Exception {

    WritableRandomIter outIter = RandomIterFactory.createWritable(outWR, null);

    Set<Integer> pointsToInterpolateIdSett = interpolatedCoordinatesMap.keySet();
    Iterator<Integer> idIterator = pointsToInterpolateIdSett.iterator();
    int c = 0;
    MathTransform transf = inInterpolationGrid.getCRSToGrid2D();

    final DirectPosition gridPoint = new DirectPosition2D();

    while (idIterator.hasNext()) {
      int id = idIterator.next();
      Coordinate coordinate = (Coordinate) interpolatedCoordinatesMap.get(id);

      DirectPosition point =
          new DirectPosition2D(
              inInterpolationGrid.getCoordinateReferenceSystem(), coordinate.x, coordinate.y);
      transf.transform(point, gridPoint);

      double[] gridCoord = gridPoint.getCoordinate();
      int x = (int) gridCoord[0];
      int y = (int) gridCoord[1];

      outIter.setSample(x, y, 0, checkResultValue(interpolatedValues[c]));
      c++;
    }

    RegionMap regionMap = CoverageUtilities.gridGeometry2RegionParamsMap(inInterpolationGrid);

    outGrid =
        CoverageUtilities.buildCoverage(
            "gridded", outWR, regionMap, inInterpolationGrid.getCoordinateReferenceSystem());
  }
Esempio n. 13
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 /**
  * Expand to include the provided DirectPosition
  *
  * @param pt
  */
 public void expandToInclude(DirectPosition pt) {
   Coordinate coordinate = new Coordinate(pt.getOrdinate(0), pt.getOrdinate(1));
   expandToInclude(coordinate);
 }
Esempio n. 14
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 /**
  * Returns {@code true} if the provided location is contained by this bounding box.
  *
  * @since 2.4
  */
 public boolean contains(DirectPosition pos) {
   ensureCompatibleReferenceSystem(pos);
   return super.contains(pos.getOrdinate(0), pos.getOrdinate(1));
 }
  public boolean extractTiffMetadata(File tifFile, TiffMeta surface)
      throws UnknownCRSException, FactoryException, TransformException, IOException {

    Preconditions.checkArgument(tifFile != null, "File is null.");

    GeoTiffReader gtr = new GeoTiffReader(tifFile);

    try {

      CoordinateReferenceSystem crs = gtr.getCoordinateReferenceSystem();
      surface.setCRS(crs);
      Integer epsgCode = CRS.lookupEpsgCode(crs, true);

      if (epsgCode == null) {
        ReferenceIdentifier name = crs.getName();
        String crsName = "Unknown";
        if (name != null) {
          crsName = name.toString();
        }
        throw new UnknownCRSException(crsName);
      }

      String srid = "EPSG:" + epsgCode;
      surface.setSrid(srid);

      //
      // extremaOp(surface, gtr.read(null));

      /*
       * Build the envelope and set to WGS84
       */
      GeneralEnvelope origEnv = gtr.getOriginalEnvelope();
      DirectPosition ll = origEnv.getLowerCorner();
      DirectPosition ur = origEnv.getUpperCorner();

      Envelope e = new Envelope();
      e.expandToInclude(ll.getOrdinate(0), ll.getOrdinate(1));
      e.expandToInclude(ur.getOrdinate(0), ur.getOrdinate(1));

      Geometry poly = envelopeToWgs84(epsgCode, e);

      if (poly instanceof Polygon) {
        surface.setEnvelope((Polygon) poly);
      }

      /*
       * Figure out the pixel size
       */
      ImageLayout imageLayout = gtr.getImageLayout();
      int imageWidth = imageLayout.getWidth(null);
      int imageHeight = imageLayout.getHeight(null);

      double pixelSizeX = e.getWidth() / imageWidth;
      double pixelSizeY = e.getHeight() / imageHeight;

      surface.setPixelSizeX(pixelSizeX);
      surface.setPixelSizeY(pixelSizeY);

      surface.setMinVal(0d);
      surface.setMaxVal(100d);

      GridCoverage2D gridCoverage2D = gtr.read(null);

      try {
        int nDims = gridCoverage2D.getNumSampleDimensions();
        surface.setNumSampleDimensions(nDims);

        extremaOp(surface, gridCoverage2D);

      } finally {
        gridCoverage2D.dispose(false);
      }

    } finally {

      gtr.dispose();
    }

    return true;
  }
  /**
   *
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   *
   * @generated modifiable
   */
  public Object parse(ElementInstance instance, Node node, Object value) throws Exception {
    CoordinateReferenceSystem crs = GML3ParsingUtils.crs(node);

    if (node.getChild("lowerCorner") != null) {
      DirectPosition l = (DirectPosition) node.getChildValue("lowerCorner");
      DirectPosition u = (DirectPosition) node.getChildValue("upperCorner");

      return new ReferencedEnvelope(
          l.getOrdinate(0), u.getOrdinate(0), l.getOrdinate(1), u.getOrdinate(1), crs);
    }

    if (node.hasChild(Coordinate.class)) {
      List c = node.getChildValues(Coordinate.class);
      Coordinate c1 = (Coordinate) c.get(0);
      Coordinate c2 = (Coordinate) c.get(1);

      return new ReferencedEnvelope(c1.x, c2.x, c1.y, c2.y, crs);
    }

    if (node.hasChild(DirectPosition.class)) {
      List dp = node.getChildValues(DirectPosition.class);
      DirectPosition dp1 = (DirectPosition) dp.get(0);
      DirectPosition dp2 = (DirectPosition) dp.get(1);

      return new ReferencedEnvelope(
          dp1.getOrdinate(0), dp2.getOrdinate(0), dp1.getOrdinate(1), dp2.getOrdinate(1), crs);
    }

    if (node.hasChild(CoordinateSequence.class)) {
      CoordinateSequence seq = (CoordinateSequence) node.getChildValue(CoordinateSequence.class);

      return new ReferencedEnvelope(seq.getX(0), seq.getX(1), seq.getY(0), seq.getY(1), crs);
    }

    return null;
  }
Esempio n. 17
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 /**
  * Get ordinate offset from given size.
  *
  * @param point
  * @param ordinate
  * @param size
  * @return
  */
 private double offset(DirectPosition point, int ordinate, double size) {
   return point.getOrdinate(ordinate) % size;
 }