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Example 6 with Conversion

use of org.opengis.referencing.operation.Conversion in project sis by apache.

the class TransformTestCase method testTransformNotOverPole.

/**
 * Tests conversions of an envelope or rectangle which is <strong>not</strong> over a pole,
 * but was wrongly considered as over a pole before SIS-329 fix.
 *
 * @throws FactoryException if an error occurred while creating the operation.
 * @throws TransformException if an error occurred while transforming the envelope.
 *
 * @see <a href="https://issues.apache.org/jira/browse/SIS-329">SIS-329</a>
 */
@Test
@DependsOnMethod("testTransform")
public final void testTransformNotOverPole() throws FactoryException, TransformException {
    final ProjectedCRS sourceCRS = CommonCRS.WGS84.universal(10, -3.5);
    final GeographicCRS targetCRS = sourceCRS.getBaseCRS();
    final Conversion conversion = inverse(sourceCRS.getConversionFromBase());
    final G rectangle = createFromExtremums(sourceCRS, 199980, 4490220, 309780, 4600020);
    final G expected = createFromExtremums(targetCRS, // Computed by SIS (not validated by external authority).
    40.50846282536367, // Computed by SIS (not validated by external authority).
    -6.594124551832373, 41.52923550023067, -5.246186118392847);
    final G actual = transform(conversion, rectangle);
    assertGeometryEquals(expected, actual, ANGULAR_TOLERANCE, ANGULAR_TOLERANCE);
}
Also used : ProjectedCRS(org.opengis.referencing.crs.ProjectedCRS) GeographicCRS(org.opengis.referencing.crs.GeographicCRS) DefaultConversion(org.apache.sis.referencing.operation.DefaultConversion) Conversion(org.opengis.referencing.operation.Conversion) Test(org.junit.Test) DependsOnMethod(org.apache.sis.test.DependsOnMethod)

Example 7 with Conversion

use of org.opengis.referencing.operation.Conversion in project sis by apache.

the class DefaultOperationMethod method formatTo.

/**
 * Formats this operation as a <cite>Well Known Text</cite> {@code Method[…]} element.
 *
 * @return {@code "Method"} (WKT 2) or {@code "Projection"} (WKT 1).
 *
 * @see <a href="http://docs.opengeospatial.org/is/12-063r5/12-063r5.html#118">WKT 2 specification §17.2.3</a>
 */
@Override
protected String formatTo(final Formatter formatter) {
    final boolean isWKT1 = formatter.getConvention().majorVersion() == 1;
    /*
         * The next few lines below are basically a copy of the work done by super.formatTo(formatter),
         * which search for the name to write inside METHOD["name"]. The difference is in the fallback
         * executed if we do not find a name for the given authority.
         */
    final Citation authority = formatter.getNameAuthority();
    String name = IdentifiedObjects.getName(this, authority);
    ElementKind kind = ElementKind.METHOD;
    if (name == null) {
        /*
             * No name found for the given authority. We may use the primary name as a fallback.
             * But before doing that, maybe we can find the name that we are looking for in the
             * hard-coded values in the 'org.apache.sis.internal.referencing.provider' package.
             * The typical use case is when this DefaultOperationMethod has been instantiated
             * by the EPSG factory using only the information found in the EPSG database.
             *
             * We can find the hard-coded names by looking at the ParameterDescriptorGroup of the
             * enclosing ProjectedCRS or DerivedCRS. This is because that parameter descriptor was
             * typically provided by the 'org.apache.sis.internal.referencing.provider' package in
             * order to create the MathTransform associated with the enclosing CRS.  The enclosing
             * CRS is either the immediate parent in WKT 1, or the parent of the parent in WKT 2.
             */
        final FormattableObject parent = formatter.getEnclosingElement(isWKT1 ? 1 : 2);
        if (parent instanceof GeneralDerivedCRS) {
            final Conversion conversion = ((GeneralDerivedCRS) parent).getConversionFromBase();
            if (conversion != null) {
                // Should never be null, but let be safe.
                final ParameterDescriptorGroup descriptor;
                if (conversion instanceof Parameterized) {
                    // Usual case in SIS implementation.
                    descriptor = ((Parameterized) conversion).getParameterDescriptors();
                } else {
                    descriptor = conversion.getParameterValues().getDescriptor();
                }
                name = IdentifiedObjects.getName(descriptor, authority);
            }
        }
        if (name == null) {
            name = IdentifiedObjects.getName(this, null);
            if (name == null) {
                name = Vocabulary.getResources(formatter.getLocale()).getString(Vocabulary.Keys.Unnamed);
                // Because the "Unnamed" string is not a real OperationMethod name.
                kind = ElementKind.NAME;
            }
        }
    }
    formatter.append(name, kind);
    if (isWKT1) {
        /*
             * The WKT 1 keyword is "PROJECTION", which imply that the operation method should be of type
             * org.opengis.referencing.operation.Projection. So strictly speaking only the first check in
             * the following 'if' statement is relevant.
             *
             * Unfortunately in many cases we do not know the operation type, because the method that we
             * invoked - getOperationType() - is not a standard OGC/ISO property, so this information is
             * usually not provided in XML documents for example.  The user could also have instantiated
             * DirectOperationMethod directly without creating a subclass. Consequently we also accept to
             * format the keyword as "PROJECTION" if the operation type *could* be a projection. This is
             * the second check in the following 'if' statement.
             *
             * In other words, the combination of those two checks exclude the following operation types:
             * Transformation, ConcatenatedOperation, PassThroughOperation, or any user-defined type that
             * do not extend Projection. All other operation types are accepted.
             */
        final Class<? extends SingleOperation> type = getOperationType();
        if (Projection.class.isAssignableFrom(type) || type.isAssignableFrom(Projection.class)) {
            return WKTKeywords.Projection;
        }
        formatter.setInvalidWKT(this, null);
    }
    return WKTKeywords.Method;
}
Also used : ElementKind(org.apache.sis.io.wkt.ElementKind) Parameterized(org.apache.sis.parameter.Parameterized) ParameterDescriptorGroup(org.opengis.parameter.ParameterDescriptorGroup) DefaultParameterDescriptorGroup(org.apache.sis.parameter.DefaultParameterDescriptorGroup) Projection(org.opengis.referencing.operation.Projection) GeneralDerivedCRS(org.opengis.referencing.crs.GeneralDerivedCRS) Citation(org.opengis.metadata.citation.Citation) InternationalString(org.opengis.util.InternationalString) SimpleInternationalString(org.apache.sis.util.iso.SimpleInternationalString) FormattableObject(org.apache.sis.io.wkt.FormattableObject) Conversion(org.opengis.referencing.operation.Conversion)

Example 8 with Conversion

use of org.opengis.referencing.operation.Conversion in project sis by apache.

the class DefaultDerivedCRSTest method testConstruction.

/**
 * Tests the construction of a {@link DefaultDerivedCRS}.
 */
@Test
public void testConstruction() {
    final DefaultDerivedCRS crs = createLongitudeRotation();
    // Validators.validate(crs);
    assertEquals("name", "Back to Greenwich", crs.getName().getCode());
    assertEquals("baseCRS", "NTF (Paris)", crs.getBaseCRS().getName().getCode());
    assertEquals("datum", "Nouvelle Triangulation Française", crs.getDatum().getName().getCode());
    assertSame("coordinateSystem", HardCodedCS.GEODETIC_φλ, crs.getCoordinateSystem());
    final Conversion conversion = crs.getConversionFromBase();
    assertSame("sourceCRS", crs.getBaseCRS(), conversion.getSourceCRS());
    assertSame("targetCRS", crs, conversion.getTargetCRS());
    assertMatrixEquals("Longitude rotation", new Matrix3(0, 1, 0, 1, 0, 2.33722917, 0, 0, 1), MathTransforms.getMatrix(conversion.getMathTransform()), STRICT);
}
Also used : DefaultConversion(org.apache.sis.referencing.operation.DefaultConversion) Conversion(org.opengis.referencing.operation.Conversion) Matrix3(org.apache.sis.referencing.operation.matrix.Matrix3) DefaultConversionTest(org.apache.sis.referencing.operation.DefaultConversionTest) Test(org.junit.Test)

Example 9 with Conversion

use of org.opengis.referencing.operation.Conversion in project sis by apache.

the class DefaultDerivedCRS method formatTo.

/**
 * Formats the inner part of the <cite>Well Known Text</cite> (WKT) representation of this CRS.
 *
 * @return {@code "Fitted_CS"} (WKT 1) or a type-dependent keyword (WKT 2).
 *
 * @see <a href="http://docs.opengeospatial.org/is/12-063r5/12-063r5.html#93">WKT 2 specification §15</a>
 */
@Override
protected String formatTo(final Formatter formatter) {
    // Gives to users a chance to override.
    final Conversion conversion = getConversionFromBase();
    if (conversion == null) {
        /*
             * Should never happen except temporarily at construction time, or if the user invoked the copy
             * constructor with an invalid Conversion, or if the user overrides the getConversionFromBase()
             * method. Delegates to the super-class method for avoiding a NullPointerException. That method
             * returns 'null', which will cause the WKT to be declared invalid.
             */
        return super.formatTo(formatter);
    }
    WKTUtilities.appendName(this, formatter, null);
    final Convention convention = formatter.getConvention();
    final boolean isWKT1 = (convention.majorVersion() == 1);
    /*
         * Both WKT 1 and WKT 2 format the base CRS. But WKT 1 formats the MathTransform before the base CRS,
         * while WKT 2 formats the conversion method and parameter values after the base CRS.
         */
    if (isWKT1) {
        MathTransform inverse = conversion.getMathTransform();
        try {
            inverse = inverse.inverse();
        } catch (NoninvertibleTransformException exception) {
            formatter.setInvalidWKT(this, exception);
            inverse = null;
        }
        formatter.newLine();
        formatter.append(inverse);
    }
    formatter.newLine();
    formatter.append(WKTUtilities.toFormattable(getBaseCRS()));
    if (isWKT1) {
        return WKTKeywords.Fitted_CS;
    } else {
        formatter.newLine();
        formatter.append(new // Format inside a "DefiningConversion" element.
        FormattableObject() {

            @Override
            protected String formatTo(final Formatter formatter) {
                WKTUtilities.appendName(conversion, formatter, null);
                formatter.newLine();
                formatter.append(DefaultOperationMethod.castOrCopy(conversion.getMethod()));
                formatter.newLine();
                for (final GeneralParameterValue param : conversion.getParameterValues().values()) {
                    WKTUtilities.append(param, formatter);
                }
                return WKTKeywords.DerivingConversion;
            }
        });
        if (convention == Convention.INTERNAL || !isBaseCRS(formatter)) {
            final CoordinateSystem cs = getCoordinateSystem();
            formatCS(formatter, cs, ReferencingUtilities.getUnit(cs), isWKT1);
        }
        return keyword(formatter);
    }
}
Also used : NoninvertibleTransformException(org.opengis.referencing.operation.NoninvertibleTransformException) GeneralParameterValue(org.opengis.parameter.GeneralParameterValue) Convention(org.apache.sis.io.wkt.Convention) AxesConvention(org.apache.sis.referencing.cs.AxesConvention) MathTransform(org.opengis.referencing.operation.MathTransform) Formatter(org.apache.sis.io.wkt.Formatter) CoordinateSystem(org.opengis.referencing.cs.CoordinateSystem) CS_CoordinateSystem(org.apache.sis.internal.jaxb.referencing.CS_CoordinateSystem) Conversion(org.opengis.referencing.operation.Conversion) DefaultConversion(org.apache.sis.referencing.operation.DefaultConversion)

Example 10 with Conversion

use of org.opengis.referencing.operation.Conversion in project sis by apache.

the class EllipsoidalHeightCombiner method createCompoundCRS.

/**
 * Creates a compound CRS, but we special processing for (two-dimensional Geographic + ellipsoidal heights) tupples.
 * If any such tupple is found, a three-dimensional geographic CRS is created instead than the compound CRS.
 *
 * @param  properties  name and other properties to give to the new object.
 * @param  components  ordered array of {@code CoordinateReferenceSystem} objects.
 * @return the coordinate reference system for the given properties.
 * @throws FactoryException if the object creation failed.
 */
public final CoordinateReferenceSystem createCompoundCRS(final Map<String, ?> properties, CoordinateReferenceSystem... components) throws FactoryException {
    for (int i = 0; i < components.length; i++) {
        final CoordinateReferenceSystem vertical = components[i];
        if (vertical instanceof VerticalCRS) {
            final VerticalDatum datum = ((VerticalCRS) vertical).getDatum();
            if (datum != null && datum.getVerticalDatumType() == VerticalDatumTypes.ELLIPSOIDAL) {
                int axisPosition = 0;
                CoordinateSystem cs = null;
                CoordinateReferenceSystem crs = null;
                if (i == 0 || (cs = getCsIfHorizontal2D(crs = components[i - 1])) == null) {
                    /*
                         * GeographicCRS are normally before VerticalCRS. But Apache SIS is tolerant to the
                         * opposite order (note however that such ordering is illegal according ISO 19162).
                         */
                    if (i + 1 >= components.length || (cs = getCsIfHorizontal2D(crs = components[i + 1])) == null) {
                        continue;
                    }
                    axisPosition = 1;
                }
                /*
                     * At this point we have the horizontal and vertical components. The horizontal component
                     * begins at 'axisPosition', which is almost always zero. Create the three-dimensional CRS.
                     * If the result is the CRS to be returned directly by this method (components.length == 2),
                     * use the properties given in argument. Otherwise we need to use other properties; current
                     * implementation recycles the properties of the existing two-dimensional CRS.
                     */
                final CoordinateSystemAxis[] axes = new CoordinateSystemAxis[3];
                axes[axisPosition++] = cs.getAxis(0);
                axes[axisPosition++] = cs.getAxis(1);
                axes[axisPosition %= 3] = vertical.getCoordinateSystem().getAxis(0);
                final ReferencingServices referencing = ReferencingServices.getInstance();
                final Map<String, ?> csProps = referencing.getProperties(cs, false);
                final Map<String, ?> crsProps = (components.length == 2) ? properties : referencing.getProperties(crs, false);
                if (crs instanceof GeodeticCRS) {
                    initialize(CS | CRS);
                    cs = csFactory.createEllipsoidalCS(csProps, axes[0], axes[1], axes[2]);
                    crs = crsFactory.createGeographicCRS(crsProps, ((GeodeticCRS) crs).getDatum(), (EllipsoidalCS) cs);
                } else {
                    initialize(CS | CRS | OPERATION);
                    final ProjectedCRS proj = (ProjectedCRS) crs;
                    GeographicCRS base = proj.getBaseCRS();
                    if (base.getCoordinateSystem().getDimension() == 2) {
                        base = (GeographicCRS) createCompoundCRS(referencing.getProperties(base, false), base, vertical);
                    }
                    /*
                         * In Apache SIS implementation, the Conversion contains the source and target CRS together with
                         * a MathTransform2D. We need to recreate the same conversion, but without CRS and MathTransform
                         * for letting SIS create or associate new ones, which will be three-dimensional now.
                         */
                    Conversion fromBase = proj.getConversionFromBase();
                    fromBase = opFactory.createDefiningConversion(referencing.getProperties(fromBase, true), fromBase.getMethod(), fromBase.getParameterValues());
                    cs = csFactory.createCartesianCS(csProps, axes[0], axes[1], axes[2]);
                    crs = crsFactory.createProjectedCRS(crsProps, base, fromBase, (CartesianCS) cs);
                }
                /*
                     * Remove the VerticalCRS and store the three-dimensional GeographicCRS in place of the previous
                     * two-dimensional GeographicCRS. Then let the loop continues in case there is other CRS to merge
                     * (should never happen, but we are paranoiac).
                     */
                components = ArraysExt.remove(components, i, 1);
                // GeographicCRS before VerticalCRS (usual case).
                if (axisPosition != 0)
                    i--;
                components[i] = crs;
            }
        }
    }
    switch(components.length) {
        case 0:
            return null;
        case 1:
            return components[0];
        default:
            initialize(CRS);
            return crsFactory.createCompoundCRS(properties, components);
    }
}
Also used : CartesianCS(org.opengis.referencing.cs.CartesianCS) CoordinateSystem(org.opengis.referencing.cs.CoordinateSystem) CoordinateSystemAxis(org.opengis.referencing.cs.CoordinateSystemAxis) VerticalDatum(org.opengis.referencing.datum.VerticalDatum) Conversion(org.opengis.referencing.operation.Conversion) GeodeticCRS(org.opengis.referencing.crs.GeodeticCRS) ProjectedCRS(org.opengis.referencing.crs.ProjectedCRS) VerticalCRS(org.opengis.referencing.crs.VerticalCRS) EllipsoidalCS(org.opengis.referencing.cs.EllipsoidalCS) CoordinateReferenceSystem(org.opengis.referencing.crs.CoordinateReferenceSystem) GeographicCRS(org.opengis.referencing.crs.GeographicCRS)

Aggregations

Conversion (org.opengis.referencing.operation.Conversion)15 DefaultConversion (org.apache.sis.referencing.operation.DefaultConversion)8 Test (org.junit.Test)8 GeographicCRS (org.opengis.referencing.crs.GeographicCRS)6 ProjectedCRS (org.opengis.referencing.crs.ProjectedCRS)5 DependsOnMethod (org.apache.sis.test.DependsOnMethod)4 Length (javax.measure.quantity.Length)2 DefaultConversionTest (org.apache.sis.referencing.operation.DefaultConversionTest)2 ParameterValueGroup (org.opengis.parameter.ParameterValueGroup)2 GeneralDerivedCRS (org.opengis.referencing.crs.GeneralDerivedCRS)2 CoordinateSystem (org.opengis.referencing.cs.CoordinateSystem)2 MathTransform (org.opengis.referencing.operation.MathTransform)2 MathTransform2D (org.opengis.referencing.operation.MathTransform2D)2 MathTransformFactory (org.opengis.referencing.operation.MathTransformFactory)2 Angle (javax.measure.quantity.Angle)1 CS_CoordinateSystem (org.apache.sis.internal.jaxb.referencing.CS_CoordinateSystem)1 Convention (org.apache.sis.io.wkt.Convention)1 ElementKind (org.apache.sis.io.wkt.ElementKind)1 FormattableObject (org.apache.sis.io.wkt.FormattableObject)1 Formatter (org.apache.sis.io.wkt.Formatter)1