Examples of org.geotools.geometry.DirectPosition2D

org.geotools.geometry.DirectPosition2D
Holds the coordinates for a two-dimensional position within some coordinate reference system.
Note 1:
This class inherits {@linkplain #x x} and {@linkplain #y y} fields. But despite their names,they don't need to be oriented toward {@linkplain org.opengis.referencing.cs.AxisDirection#EAST East} and {@linkplain org.opengis.referencing.cs.AxisDirection#NORTH North}. The (x,y) axis can have any orientation and should be understood as "ordinate 0" and "ordinate 1" values instead. This is not specific to this implementation; in Java2D too, the visual axis orientation depend on the {@linkplain java.awt.Graphics2D#getTransform affine transform in the graphics context}.
The rational for avoiding axis orientation restriction is that other {@link DirectPosition}implementation do not have such restriction, and it would be hard to generalize (what to do with {@linkplain org.opengis.referencing.cs.AxisDirection#NORTH_EAST North-East} direction?).

Note 2:
Do not mix instances of this class with ordinary {@link Point2D} instances in a{@link java.util.HashSet} or as {@link java.util.HashMap} keys. It is not possible tomeet both {@link Point2D#hashCode} and {@link DirectPosition#hashCode} contract, and this classchoose to implements the later. Concequently, {@link #hashCode} is inconsistent with{@link Point2D#equals} (but is consistent with {@link DirectPosition#equals}).
In other words, it is safe to add instances of {@code DirectPosition2D} in a{@code HashSet}, but it is unsafe to add them in a {@code HashSet}. Collections that do not rely on {@link Object#hashCode}, like {@link java.util.ArrayList}, are safe in all cases.
@since 2.0 @source $URL$ @version $Id$ @author Martin Desruisseaux (IRD) @see DirectPosition1D @see GeneralDirectPosition @see java.awt.geom.Point2D

        }
    }
    
    @Test
    public void getInfoOutsideCoverageReturnsEmptyResult() throws Exception {
        DirectPosition2D pos = new DirectPosition2D(
                WORLD.getCoordinateReferenceSystem(),
                WORLD.getMaxX() + 1,
                WORLD.getMaxY() + 1);
        
        InfoToolResult info = helper.getInfo(pos);

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        helper.setMapContent(mapContent);
        helper.setLayer(layer);
        
        ReferencedEnvelope bounds = layer.getBounds();
        DirectPosition2D pos = new DirectPosition2D(
                bounds.getCoordinateReferenceSystem(),
                bounds.getMinX() - 1,
                bounds.getMinY() - 1);
        
        InfoToolResult info = helper.getInfo(pos);

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            mapContent.dispose();
        }
    }


    private void assertGetInfo(SimpleFeature feature) throws Exception {
        DirectPosition2D pos = TestDataUtils.getPosInFeature(feature);
        InfoToolResult info = helper.getInfo(pos);
        assertFalse(info.getNumFeatures() < 1);


        // Allow that there might be more than one feature in
        // the result

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     * @return An error message.
     *
     * @since 2.5
     */
    protected String formatEvaluateError(final Point2D point, final boolean outside) {
        return formatEvaluateError((DirectPosition) new DirectPosition2D(point), outside);
    }

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     * @param  point The coordinate point to format.
     * @param  locale The locale for formatting numbers.
     * @return The coordinate point as a string, without '(' or ')' characters.
     */
    static String toString(final Point2D point, final Locale locale) {
        return toString((DirectPosition) new DirectPosition2D(point), locale);
    }

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        helper.setLayer(layer);
    }


    @Test
    public void getInfo() throws Exception {
        DirectPosition2D pos = new DirectPosition2D(WORLD.getCoordinateReferenceSystem());
        int[] values = new int[coverage.getNumSampleDimensions()];
        
        for (int i = 0; i < NUM_TEST_POINTS; i++) {
            pos.x = WORLD.getMinX() + WORLD.getWidth() * rand.nextDouble();
            pos.y = WORLD.getMinY() + WORLD.getHeight() * rand.nextDouble();

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        }
    }
    
    @Test
    public void getInfoOutsideCoverageReturnsEmptyResult() throws Exception {
        DirectPosition2D pos = new DirectPosition2D(
                WORLD.getCoordinateReferenceSystem(),
                WORLD.getMaxX() + 1,
                WORLD.getMaxY() + 1);
        
        InfoToolResult info = helper.getInfo(pos);

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        } finally {
            iter.close();
        }
        
        
        DirectPosition2D queryPos = TestDataUtils.getPosInFeature(feature);
        Point2D p2d = mapPane.getWorldToScreenTransform().transform(queryPos, null);
        
        Point windowOrigin = mapPaneFixture.component().getLocationOnScreen();
        Point screenQueryPos = new Point(
                windowOrigin.x + (int) p2d.getX(),

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        double finalRes = calculateResolution(mosaic);
        double percentual = Math.abs(initialRes - finalRes) / initialRes;
        Assert.assertTrue(percentual < TOLERANCE);


        // Check that on the center of the image there are nodata
        DirectPosition point = new DirectPosition2D(mosaic.getCoordinateReferenceSystem(),
                actual.getCenterX(), actual.getCenterY());
        double nodata = CoverageUtilities.getBackgroundValues(coverage1)[0];
        double result = ((int[]) mosaic.evaluate(point))[0];
        Assert.assertEquals(nodata, result, TOLERANCE);


        // Check that on the Upper Left border pixel there is valid data
        point = new DirectPosition2D(mosaic.getCoordinateReferenceSystem(), actual.getMinX()
                + finalRes, actual.getMinY() + finalRes);
        result = ((int[]) mosaic.evaluate(point))[0];
        Assert.assertNotEquals(nodata, result, TOLERANCE);


        // Ensure the Layout is already present after the mosaic

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        double finalRes = calculateResolution(mosaic);
        double percentual = Math.abs(initialRes - finalRes) / initialRes;
        Assert.assertTrue(percentual < TOLERANCE);


        // Check that on the center of the image there are nodata
        DirectPosition point = new DirectPosition2D(mosaic.getCoordinateReferenceSystem(),
                actual.getCenterX(), actual.getCenterY());
        double result = ((int[]) mosaic.evaluate(point))[0];
        Assert.assertEquals(nodata, result, TOLERANCE);


        // Check that on the Upper Left border pixel there is valid data
        point = new DirectPosition2D(mosaic.getCoordinateReferenceSystem(), actual.getMinX()
                + finalRes, actual.getMinY() + finalRes);
        result = ((int[]) mosaic.evaluate(point))[0];
        Assert.assertNotEquals(nodata, result, TOLERANCE);


        // Coverage and RenderedImage disposal

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