Examples with GriddedElevationModel com.revolsys.elevation.gridded.GriddedElevationModel used on opensource projects

Example 1 with GriddedElevationModel

use of com.revolsys.elevation.gridded.GriddedElevationModel in project com.revolsys.open by revolsys.

the class HillShadeGriddedElevationModelRasterizer method getValue.

@Override
public int getValue(final int gridX, final int gridY) {
    final GriddedElevationModel elevationModel = this.elevationModel;
    final int width = this.width;
    final int height = this.height;
    double a = Double.NaN;
    double b = Double.NaN;
    double c = Double.NaN;
    double d = Double.NaN;
    final double e = elevationModel.getElevationFast(gridX, gridY);
    if (Double.isFinite(e)) {
        double f = Double.NaN;
        double g = Double.NaN;
        double h = Double.NaN;
        double i = Double.NaN;
        final boolean firstX = gridX == 0;
        final boolean firstY = gridY == 0;
        final boolean lastX = gridX == width - 1;
        final boolean lastY = gridY == height - 1;
        final int gridX0 = gridX - 1;
        final int gridX2 = gridX + 1;
        if (!lastY) {
            final int gridY2 = gridY + 1;
            if (!firstX) {
                a = elevationModel.getElevationFast(gridX0, gridY2);
            }
            b = elevationModel.getElevationFast(gridX, gridY2);
            if (!lastX) {
                c = elevationModel.getElevationFast(gridX2, gridY2);
            }
        }
        if (!firstX) {
            d = elevationModel.getElevationFast(gridX0, gridY);
        }
        if (!lastX) {
            f = elevationModel.getElevationFast(gridX2, gridY);
        }
        if (!firstY) {
            final int gridY0 = gridY - 1;
            if (!firstX) {
                g = elevationModel.getElevationFast(gridX0, gridY0);
            }
            h = elevationModel.getElevationFast(gridX, gridY0);
            if (!lastX) {
                i = elevationModel.getElevationFast(gridX2, gridY0);
            }
        }
        if (!Double.isFinite(d)) {
            if (Double.isFinite(f)) {
                d = e - (f - e);
            } else {
                d = e;
                f = e;
            }
        } else if (!Double.isFinite(f)) {
            f = e;
        }
        if (!Double.isFinite(a)) {
            if (Double.isFinite(g)) {
                a = d - (g - d);
            } else {
                a = d;
            }
        }
        if (!Double.isFinite(b)) {
            if (Double.isFinite(h)) {
                b = e - (h - e);
            } else {
                b = e;
            }
        }
        if (!Double.isFinite(c)) {
            if (Double.isFinite(i)) {
                c = f - (i - f);
            } else {
                c = f;
            }
        }
        if (!Double.isFinite(g)) {
            g = d - (a - d);
        }
        if (!Double.isFinite(h)) {
            h = e - (b - e);
        }
        if (!Double.isFinite(i)) {
            i = f - (c - f);
        }
        return getHillShade(a, b, c, d, f, g, h, i);
    } else {
        return GriddedElevationModel.NULL_COLOUR;
    }
}

Example 2 with GriddedElevationModel

use of com.revolsys.elevation.gridded.GriddedElevationModel in project com.revolsys.open by revolsys.

the class GriddedElevationModelTest method assertWriteRead.

/**
 *  1. Write the model to the file specified by filePath.
 *  2. Read the model from the written file.
 *  3. Compare the read model with the original model
 *
 * @param model The model to test.
 * @param filePath The file to write to.
 */
protected static void assertWriteRead(final GriddedElevationModel model, final String filePath) {
    final Path path = writeModel(model, filePath);
    final GriddedElevationModel actualModel = GriddedElevationModel.newGriddedElevationModel(path);
    assertModelEquals(model, actualModel);
}

Example 3 with GriddedElevationModel

use of com.revolsys.elevation.gridded.GriddedElevationModel in project com.revolsys.open by revolsys.

the class GriddedElevationModelTest method newIntArrayModelNaNOnDiagonal.

/**
 *  Create a new {@link IntArrayScaleGriddedElevationModel}.
 *  The elevation for each cell is set to gridX.gridY (e.g. 10.34).
 *  Except where gridX == gridY where NaN is used.
 *
 * @param coordinateSystemId The coordinate system id.
 * @return The model
 */
protected static GriddedElevationModel newIntArrayModelNaNOnDiagonal(final int coordinateSystemId) {
    final GeometryFactory geometryFactory = GeometryFactory.fixed3d(coordinateSystemId, 1000.0, 1000.0, 1000.0);
    final GriddedElevationModel model = new IntArrayScaleGriddedElevationModel(geometryFactory, 0, 0, 255, 255, 1);
    for (int gridY = 0; gridY < model.getGridHeight() - 1; gridY++) {
        for (int gridX = 0; gridX < model.getGridWidth() - 1; gridX++) {
            double elevation;
            if (gridX == gridY) {
                elevation = Double.NaN;
            } else {
                elevation = gridX + gridY / 1000.0;
            }
            model.setElevation(gridX, gridY, elevation);
        }
    }
    return model;
}

Example 4 with GriddedElevationModel

use of com.revolsys.elevation.gridded.GriddedElevationModel in project com.revolsys.open by revolsys.

the class GriddedElevationModelLayer method propertyChange.

@Override
public void propertyChange(final PropertyChangeEvent event) {
    super.propertyChange(event);
    final String propertyName = event.getPropertyName();
    if ("hasChanges".equals(propertyName)) {
        final GriddedElevationModel image = getElevationModel();
        if (event.getSource() == image) {
            image.writeGriddedElevationModel();
        }
    }
}

Example 5 with GriddedElevationModel

use of com.revolsys.elevation.gridded.GriddedElevationModel in project com.revolsys.open by revolsys.

the class MultipleGriddedElevationModelLayerRenderer method addRenderer.

@Override
public int addRenderer(int index, final RasterizerGriddedElevationModelLayerRenderer renderer) {
    if (renderer == null) {
        return -1;
    } else {
        final String originalName = renderer.getName();
        String name = originalName;
        int i = 1;
        while (hasRendererWithSameName(renderer, name)) {
            name = originalName + i;
            i++;
        }
        renderer.setName(name);
        renderer.setParent(this);
        synchronized (this.renderers) {
            if (index < 0) {
                index = this.renderers.size();
            }
            final GriddedElevationModel elevationModel = getElevationModel();
            renderer.setElevationModel(elevationModel);
            this.renderers.add(index, renderer);
        }
        firePropertyChange("renderers", index, null, renderer);
        return index;
    }
}