Examples of org.geotools.styling.PolygonSymbolizer

org.geotools.styling.PolygonSymbolizer

l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:

 <xsd:element name="PolygonSymbolizer" substitutionGroup="sld:Symbolizer"> <xsd:annotation> <xsd:documentation> A "PolygonSymbolizer" specifies the rendering of a polygon or area geometry, including its interior fill and border stroke. </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:Fill" minOccurs="0"/> <xsd:element ref="sld:Stroke" 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 $Id$

            polySymb.getStroke().setWidth(filterFactory.literal(size));


            visitor = new UomRescaleStyleVisitor(scaleMetersToPixel);


            polySymb.accept(visitor);
            PolygonSymbolizer rescaledPolySymb = (PolygonSymbolizer) visitor.getCopy();
            double rescaledSize = rescaledPolySymb.getStroke().getWidth().evaluate(null, Double.class);
            
            assertEquals(Math.round(expectedRescaledSize), Math.round(rescaledSize));
            assertNotSame(rescaledPolySymb, polySymb);
        }
        catch (Exception e2)

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            PolygonSymbolizerImpl polySymb = (PolygonSymbolizerImpl) styleBuilder.createPolygonSymbolizer(null, fill);
            
            visitor = new UomRescaleStyleVisitor(10);


            polySymb.accept(visitor);
            PolygonSymbolizer rescaledPolySymb = (PolygonSymbolizer) visitor.getCopy();
            
            assertEquals(polySymb.getFill(), rescaledPolySymb.getFill());
            assertNull(rescaledPolySymb.getStroke());
            assertNotSame(rescaledPolySymb, polySymb);
        }
        catch (Exception e2)
        {
            e2.printStackTrace();

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        Fill fill = sb.createFill();
        fill.setColor(null);
        fill.setGraphicFill(sb.createGraphic(null, sb.createMark("square", null, sb.createStroke(2)), null));
        
        // a polygon and line symbolizer using them
        PolygonSymbolizer ps = sb.createPolygonSymbolizer(stroke, fill);
        ps.setUnitOfMeasure(SI.METER);
        
        // rescale it
        UomRescaleStyleVisitor visitor = new UomRescaleStyleVisitor(10);
        ps.accept(visitor);
        PolygonSymbolizer rps = (PolygonSymbolizer) visitor.getCopy();
        Mark rm = (Mark) rps.getStroke().getGraphicStroke().graphicalSymbols().get(0);
        assertEquals(10.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);
        rm = (Mark) rps.getFill().getGraphicFill().graphicalSymbols().get(0);
        assertEquals(20.0, rm.getStroke().getWidth().evaluate(null, Double.class), 0d);


        
        // a line symbolizer that uses a graphic stroke
        LineSymbolizer ls = sb.createLineSymbolizer(stroke);

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        Rule rule = ftStyle.getRules()[0];
        assertEquals("main", rule.getName());
        assertEquals(1, rule.getSymbolizers().length);


        PolygonSymbolizer ps = (PolygonSymbolizer) rule.getSymbolizers()[0];
        assertEquals("GEOMETRY", ps.getGeometryPropertyName());


        Color color = SLD.color(ps.getFill().getColor());
        assertEquals(Integer.parseInt("96", 16), color.getRed());
        assertEquals(Integer.parseInt("C3", 16), color.getGreen());
        assertEquals(Integer.parseInt("F5", 16), color.getBlue());
    }

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     *
     * @generated modifiable
     */
    public Object parse(ElementInstance instance, Node node, Object value)
        throws Exception {
        PolygonSymbolizer ps = styleFactory.createPolygonSymbolizer();


        //&lt;xsd:element ref="sld:Geometry" minOccurs="0"/&gt;
        if(node.hasChild("Geometry")) {
            Expression geometry = (Expression) node.getChildValue("Geometry");
            if(geometry instanceof PropertyName) {
                PropertyName propertyName = (PropertyName) geometry;
                ps.setGeometryPropertyName(propertyName.getPropertyName());
            } else {
                ps.setGeometry(geometry);
            }
        }


        //&lt;xsd:element ref="sld:Fill" minOccurs="0"/&gt;
        if (node.hasChild(Fill.class)) {
            ps.setFill((Fill) node.getChildValue(Fill.class));
        }


        //&lt;xsd:element ref="sld:Stroke" minOccurs="0"/&gt;
        if (node.hasChild(Stroke.class)) {
            ps.setStroke((Stroke) node.getChildValue(Stroke.class));
        }
        
        //&lt;xsd:element ref="sld:VendorOption" minOccurs="0" maxOccurs="unbounded"/&gt;
        for (CssParameter param : (List<CssParameter>) node.getChildValues(CssParameter.class)) {
            ps.getOptions().put(param.getName(), param.getExpression().evaluate(null, String.class));
        }


        return ps;
    }

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    }


    public void test() throws Exception {
        SLDMockData.polygonSymbolizer(document, document);


        PolygonSymbolizer ps = (PolygonSymbolizer) parse();
        assertNotNull(ps);
        assertNotNull(ps.getFill());
        assertNotNull(ps.getStroke());
    }

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    }
    
    public void testTransform() throws Exception {
        SLDMockData.transformedPolygonSymbolizer(document, document);


        PolygonSymbolizer ps = (PolygonSymbolizer) parse();
        assertNotNull(ps);
        assertNotNull(ps.getFill());
        assertNotNull(ps.getStroke());
        assertNotNull(ps.getGeometry());
        Function tx = (Function) ps.getGeometry();
        assertEquals("buffer", tx.getName());
    }

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        </Fill>
        <Stroke>
            <SvgParameter name="stroke">#0000aa</SvgParameter>
        </Stroke>
    </PolygonSymbolizer>*/
        PolygonSymbolizer sym = (PolygonSymbolizer) parse("example-polygonsymbolizer.xml");
        assertEquals("MyPolygonSymbolizer", sym.getName());
        assertEquals("Example PolygonSymbolizer", sym.getDescription().getTitle().toString());
        assertEquals("This is just a simple example of a polygon symbolizer.", 
                sym.getDescription().getAbstract().toString());
        
        Fill f = sym.getFill();
        Color c = f.getColor().evaluate(null, Color.class);
        assertEquals(170, c.getRed());
        assertEquals(170, c.getGreen());
        assertEquals(255, c.getBlue());
        
        c = sym.getStroke().getColor().evaluate(null, Color.class);
        assertEquals(170, c.getBlue());
    }

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        Rule rule = fts.rules().get(0);
        assertEquals("main", rule.getName());
        
        assertEquals(1, rule.symbolizers().size());
        
        PolygonSymbolizer sym = (PolygonSymbolizer) rule.symbolizers().get(0);
        assertEquals(UomOgcMapping.PIXEL.getUnit(), sym.getUnitOfMeasure());
        assertEquals(SLD.toColor("#96C3F5"), sym.getFill().getColor().evaluate(null, Color.class));
        
    }

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        Rule r = fts.rules().get(0);
        assertEquals("main", r.getName());
        assertEquals(1, r.symbolizers().size());
        
        PolygonSymbolizer sym = (PolygonSymbolizer) r.symbolizers().get(0);
    }

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