Examples of org.geotools.styling.PointSymbolizer

org.geotools.styling.PointSymbolizer
l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:
```
 <xsd:element name="PointSymbolizer" substitutionGroup="sld:Symbolizer"> <xsd:annotation> <xsd:documentation> A "PointSymbolizer" specifies the rendering of a "graphic symbol" at a point. </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:complexContent> <xsd:extension base="sld:SymbolizerType"> <xsd:sequence> <xsd:element ref="sld:Geometry" minOccurs="0"/> <xsd:element ref="sld:Graphic" minOccurs="0"/> </xsd:sequence> </xsd:extension> </xsd:complexContent> </xsd:complexType> </xsd:element> 
```
Renderers can use this information when displaying styled features, though it must be remembered that not all renderers will be able to fully represent strokes as set out by this interface. For example, opacity may not be supported.

Notes:
- The graphical parameters and their values are derived from SVG/CSS2 standards with names and semantics which are as close as possible.
@author James Macgill @source $URL$ @version $Id$

        StyleCollector collector = new StyleCollector();
        style.accept(collector);
        assertSimpleStyle(collector);


        // check the size and rotation
        PointSymbolizer ps = (PointSymbolizer) collector.symbolizers.get(0);
        Graphic graphic = ps.getGraphic();
        assertEquals(32, (int) graphic.getSize().evaluate(null, Integer.class));


        // check the mark
        List<GraphicalSymbol> symbols = graphic.graphicalSymbols();
        assertEquals(1, symbols.size());

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        assertEquals(1, collector.featureTypeStyles.size());
        assertEquals(1, collector.rules.size());
        assertEquals(2, collector.symbolizers.size());


        // check the size and rotation of the point symbolizer
        PointSymbolizer ps = (PointSymbolizer) collector.symbolizers.get(0);
        Graphic graphic = ps.getGraphic();
        assertEquals(6, (int) graphic.getSize().evaluate(null, Integer.class));


        // check the mark
        List<GraphicalSymbol> symbols = graphic.graphicalSymbols();
        assertEquals(1, symbols.size());

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        StyleCollector collector = new StyleCollector();
        style.accept(collector);
        assertSimpleStyle(collector);


        // check the function is there were we expect it
        PointSymbolizer ps = (PointSymbolizer) collector.symbolizers.get(0);
        Graphic graphic = ps.getGraphic();
        assertTrue(graphic.getSize() instanceof CategorizeFunction);
    }

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    }


    private void checkAttributeBasedRule(Rule rule, Filter filter, int size) {
        assertEquals(filter, rule.getFilter());
        assertEquals(1, rule.getSymbolizers().length);
        PointSymbolizer ps = (PointSymbolizer) rule.getSymbolizers()[0];
        assertEquals(size, (int) ps.getGraphic().getSize().evaluate(null, Integer.class));
    }

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            double maxDenominator, int size) {
        assertEquals(name, rule.getName());
        assertEquals(minDenominator, rule.getMinScaleDenominator(), 0.0);
        assertEquals(maxDenominator, rule.getMaxScaleDenominator(), 0.0);
        assertEquals(1, rule.getSymbolizers().length);
        PointSymbolizer ps = (PointSymbolizer) rule.getSymbolizers()[0];
        assertEquals(size, (int) ps.getGraphic().getSize().evaluate(null, Integer.class));
    }

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        StyleCollector collector = new StyleCollector();
        style.accept(collector);
        assertSimpleStyle(collector);


        PointSymbolizer ps = (PointSymbolizer) collector.symbolizers.get(0);
        assertEquals(SI.METER, ps.getUnitOfMeasure());
    }

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            features.add(fb.buildFeature(null));
        }


        // setup a point layer with the right geometry trnasformation
        Style style = SLD.createPointStyle("circle", Color.BLUE, Color.BLUE, 1f, 10f);
        PointSymbolizer ps = (PointSymbolizer) style.featureTypeStyles().get(0).rules().get(0).symbolizers().get(0);
        FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
        ps.setGeometry(ff.function("convert", ff.property("wkt"), ff.literal(Point.class)));


        // setup the map
        MapContent map = new MapContent();
        Layer layer = new FeatureLayer(features, style);
        map.addLayer(layer);

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    @Override
    protected Expression rescaleGraphicSize(Graphic gr) {
        Expression size = gr.getSize();
        if(size == null || size == Expression.NIL) {
            PointSymbolizer symbolizer = sf.createPointSymbolizer(gr, null);
            Style2D style = ssf.createStyle(null, symbolizer, INFINITE_RANGE);
            if(style instanceof IconStyle2D) {
                IconStyle2D is = (IconStyle2D) style;
                size = ff.literal(is.getIcon().getIconHeight());
            } else if(style instanceof GraphicStyle2D) {

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    /** This test created from Render2DTest.testSimplePointRender */
    public void testCreatePointStyle(){
        // The following is complex, and should be built from
        // an SLD document and not by hand
        PointSymbolizer pointsym = sf.createPointSymbolizer();
        pointsym.setGraphic(sf.getDefaultGraphic());
        NumberRange<Double> scaleRange = NumberRange.create( 1.0,50000.0);
        Style2D style = sld.createPointStyle(null, pointsym, scaleRange);
        assertNotNull( style );
    }

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    /**
     * Test of createPointStyle method, of class org.geotools.renderer.style.SLDStyleFactory.
     */
    public void testCreateCompletePointStyle() {
        PointSymbolizer symb;
        Mark myMark;
        //full symbolizer
        symb = sf.createPointSymbolizer();
        myMark = sf.createMark();
        
        myMark.setFill(sf.createFill(ff.literal("#ffff00")));
        symb.getGraphic().setSize(ff.literal(10));
        symb.getGraphic().addMark(myMark);
        symb.getGraphic().setOpacity(ff.literal(1));
        symb.getGraphic().setRotation(ff.literal(0));
        sld.createPointStyle(null, symb,range);
        
    }

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