Examples of org.opengis.parameter.ParameterValueGroup.parameter()

Class org.opengis.parameter.ParameterValueGroup

Examples of org.opengis.parameter.ParameterValueGroup.parameter()

org.opengis.parameter.ParameterValueGroup.parameter()
Returns the value in this group for the specified {@linkplain Identifier#getCode identifier code}. If no {@linkplain ParameterValue parameter value} is found buta {@linkplain ParameterDescriptor parameter descriptor} is found (which may occursif the parameter is optional, i.e. {@linkplain ParameterDescriptor#getMinimumOccurs minimumOccurs} == 0), then a {@linkplain ParameterValue parameter value} isautomatically created and initialized to its {@linkplain ParameterDescriptor#getDefaultValue default value} (if any).
This convenience method provides a way to get and set parameter values by name. For example the following idiom fetches a floating point value for the {@code "false_easting"} parameter:
double value = parameter("false_easting"). {@linkplain ParameterValue#doubleValue() doubleValue()};
This method do not search recursively in subgroups. This is because more than one subgroup may exist for the same {@linkplain ParameterDescriptorGroup descriptor}. The user must {@linkplain #groups query all subgroups} and select explicitly theappropriate one to use. @param name The case insensitive {@linkplain Identifier#getCode identifier code} of theparameter to search for. @return The parameter value for the given identifier code. @throws ParameterNotFoundException if there is no parameter value for the given identifier code.

        assertDescriptorEquals("elt_2_2", 1.0, d.descriptor("elt_2_2"));
        /*
         * If we reduce the matrix size, than it shall not be possible
         * anymore to get the descriptor in the row that we removed.
         */
        group.parameter("num_col").setValue(2);
        try {
            d.descriptor("elt_2_2");
            fail("elt_2_2 should not exist.");
        } catch (ParameterNotFoundException e) {
            final String message = e.getMessage();

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     * Tests {@link TensorValues#parameter(String)}.
     */
    @Test
    public void testParameter() {
        final ParameterValueGroup group = create();
        assertValueEquals("num_row", 3,   group.parameter("num_row"));
        assertValueEquals("num_col", 3,   group.parameter("num_col"));
        assertValueEquals("elt_0_0", 1.0, group.parameter("elt_0_0"));
        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);

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     */
    @Test
    public void testParameter() {
        final ParameterValueGroup group = create();
        assertValueEquals("num_row", 3,   group.parameter("num_row"));
        assertValueEquals("num_col", 3,   group.parameter("num_col"));
        assertValueEquals("elt_0_0", 1.0, group.parameter("elt_0_0"));
        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);
        group.parameter("elt_0_1").setValue(6);

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    @Test
    public void testParameter() {
        final ParameterValueGroup group = create();
        assertValueEquals("num_row", 3,   group.parameter("num_row"));
        assertValueEquals("num_col", 3,   group.parameter("num_col"));
        assertValueEquals("elt_0_0", 1.0, group.parameter("elt_0_0"));
        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);
        group.parameter("elt_0_1").setValue(6);
        assertValueEquals("elt_2_2", 8.0, group.parameter("elt_2_2"));

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    public void testParameter() {
        final ParameterValueGroup group = create();
        assertValueEquals("num_row", 3,   group.parameter("num_row"));
        assertValueEquals("num_col", 3,   group.parameter("num_col"));
        assertValueEquals("elt_0_0", 1.0, group.parameter("elt_0_0"));
        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);
        group.parameter("elt_0_1").setValue(6);
        assertValueEquals("elt_2_2", 8.0, group.parameter("elt_2_2"));
        assertValueEquals("elt_0_1", 6.0, group.parameter("elt_0_1"));

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        assertValueEquals("num_row", 3,   group.parameter("num_row"));
        assertValueEquals("num_col", 3,   group.parameter("num_col"));
        assertValueEquals("elt_0_0", 1.0, group.parameter("elt_0_0"));
        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);
        group.parameter("elt_0_1").setValue(6);
        assertValueEquals("elt_2_2", 8.0, group.parameter("elt_2_2"));
        assertValueEquals("elt_0_1", 6.0, group.parameter("elt_0_1"));
        /*
         * If we reduce the matrix size, than it shall not be possible

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        assertValueEquals("num_col", 3,   group.parameter("num_col"));
        assertValueEquals("elt_0_0", 1.0, group.parameter("elt_0_0"));
        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);
        group.parameter("elt_0_1").setValue(6);
        assertValueEquals("elt_2_2", 8.0, group.parameter("elt_2_2"));
        assertValueEquals("elt_0_1", 6.0, group.parameter("elt_0_1"));
        /*
         * If we reduce the matrix size, than it shall not be possible
         * anymore to get the descriptor in the row that we removed.

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        assertValueEquals("elt_0_0", 1.0, group.parameter("elt_0_0"));
        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);
        group.parameter("elt_0_1").setValue(6);
        assertValueEquals("elt_2_2", 8.0, group.parameter("elt_2_2"));
        assertValueEquals("elt_0_1", 6.0, group.parameter("elt_0_1"));
        /*
         * If we reduce the matrix size, than it shall not be possible
         * anymore to get the descriptor in the row that we removed.
         */

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        assertValueEquals("elt_2_2", 1.0, group.parameter("elt_2_2"));


        group.parameter("elt_2_2").setValue(8);
        group.parameter("elt_0_1").setValue(6);
        assertValueEquals("elt_2_2", 8.0, group.parameter("elt_2_2"));
        assertValueEquals("elt_0_1", 6.0, group.parameter("elt_0_1"));
        /*
         * If we reduce the matrix size, than it shall not be possible
         * anymore to get the descriptor in the row that we removed.
         */
        group.parameter("num_col").setValue(2);

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        assertValueEquals("elt_0_1", 6.0, group.parameter("elt_0_1"));
        /*
         * If we reduce the matrix size, than it shall not be possible
         * anymore to get the descriptor in the row that we removed.
         */
        group.parameter("num_col").setValue(2);
        try {
            group.parameter("elt_2_2");
            fail("elt_2_2 should not exist.");
        } catch (ParameterNotFoundException e) {
            final String message = e.getMessage();

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