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.

         * 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();
            assertTrue(message, message.contains("elt_2_2"));
            assertTrue(message, message.contains(GROUP_NAME));

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     */
    @Test
    @DependsOnMethod("testParameter")
    public void testClone() {
        final ParameterValueGroup group = create();
        group.parameter("num_row").setValue(2);
        group.parameter("elt_0_1").setValue(4);
        group.parameter("elt_1_0").setValue(2);
        /*
         * Creates a clone, modify some values, keep other values.
         */

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    @Test
    @DependsOnMethod("testParameter")
    public void testClone() {
        final ParameterValueGroup group = create();
        group.parameter("num_row").setValue(2);
        group.parameter("elt_0_1").setValue(4);
        group.parameter("elt_1_0").setValue(2);
        /*
         * Creates a clone, modify some values, keep other values.
         */
        final ParameterValueGroup clone = group.clone();

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    @DependsOnMethod("testParameter")
    public void testClone() {
        final ParameterValueGroup group = create();
        group.parameter("num_row").setValue(2);
        group.parameter("elt_0_1").setValue(4);
        group.parameter("elt_1_0").setValue(2);
        /*
         * Creates a clone, modify some values, keep other values.
         */
        final ParameterValueGroup clone = group.clone();
        clone.parameter("num_row").setValue(4);

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        group.parameter("elt_1_0").setValue(2);
        /*
         * Creates a clone, modify some values, keep other values.
         */
        final ParameterValueGroup clone = group.clone();
        clone.parameter("num_row").setValue(4);
        clone.parameter("elt_0_1").setValue(3);
        /*
         * Verify that changes in cloned values did not affected
         * values in the original object.
         */

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        /*
         * Creates a clone, modify some values, keep other values.
         */
        final ParameterValueGroup clone = group.clone();
        clone.parameter("num_row").setValue(4);
        clone.parameter("elt_0_1").setValue(3);
        /*
         * Verify that changes in cloned values did not affected
         * values in the original object.
         */
        assertEquals(2, group.parameter("num_row").intValue());

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        /*
         * Verify that changes in cloned values did not affected
         * values in the original object.
         */
        assertEquals(2, group.parameter("num_row").intValue());
        assertEquals(4, clone.parameter("num_row").intValue());
        assertEquals(4, group.parameter("elt_0_1").intValue());
        assertEquals(3, clone.parameter("elt_0_1").intValue());
        assertEquals(2, group.parameter("elt_1_0").intValue());
        assertEquals(2, clone.parameter("elt_1_0").intValue());
    }

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         * values in the original object.
         */
        assertEquals(2, group.parameter("num_row").intValue());
        assertEquals(4, clone.parameter("num_row").intValue());
        assertEquals(4, group.parameter("elt_0_1").intValue());
        assertEquals(3, clone.parameter("elt_0_1").intValue());
        assertEquals(2, group.parameter("elt_1_0").intValue());
        assertEquals(2, clone.parameter("elt_1_0").intValue());
    }


    /**

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        assertEquals(2, group.parameter("num_row").intValue());
        assertEquals(4, clone.parameter("num_row").intValue());
        assertEquals(4, group.parameter("elt_0_1").intValue());
        assertEquals(3, clone.parameter("elt_0_1").intValue());
        assertEquals(2, group.parameter("elt_1_0").intValue());
        assertEquals(2, clone.parameter("elt_1_0").intValue());
    }


    /**
     * Tests WKT formatting.
     */

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                    for (int i=0; i<numCol; i++) {
                        matrix.setElement(j, i, 200*random.nextDouble() - 100);
                    }
                }
                final ParameterValueGroup group = WKT1.createValueGroup(singletonMap(NAME_KEY, "Test"), matrix);
                assertEquals("num_row",  numRow, group.parameter("num_row").intValue());
                assertEquals("num_col",  numCol, group.parameter("num_col").intValue());
                assertEquals("elements", matrix, WKT1.toMatrix(group));
                assertEquals("elements", matrix, WKT1.toMatrix(new ParameterValueGroupWrapper(group)));
            }
        }

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