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 $Id$

        assertEquals(20, img.getWidth());
    }
    
    public void testResizeGraphicFill() throws Exception {
        URL url = StreamingRenderer.class.getResource("test-data/");
        PolygonSymbolizer symb = sf.createPolygonSymbolizer();
        ExternalGraphic eg = sf.createExternalGraphic(url + "icon64.png", "image/png");
        Graphic g = sf.createGraphic(new ExternalGraphic[] {eg}, null, null, null, ff.literal(20), null);
        Fill fill = sf.createFill(null, null, null, g);
        symb.setFill(fill);
        
        PolygonStyle2D ps = sld.createPolygonStyle(feature, symb, range);
        assertTrue(ps.getFill() instanceof TexturePaint);
        TexturePaint paint = (TexturePaint) ps.getFill();
        assertEquals(20, paint.getImage().getWidth());

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        assertEquals( Color.BLUE, s2.getContour() );
        assertNotNull( s2.getStroke() );
    }
    
    public void testTexturePaintNoSize() throws Exception {
        PolygonSymbolizer symb = sf.createPolygonSymbolizer();
        Mark myMark = sf.createMark();
        myMark.setWellKnownName(ff.literal("square"));
        org.geotools.styling.Fill fill = sf.createFill(null);
        fill.setGraphicFill(sf.createGraphic(null, new Mark[] {myMark}, null, null, null, null));
        symb.setFill(fill); 
        
        PolygonStyle2D ps = (PolygonStyle2D) sld.createPolygonStyle(feature, symb, range);
        assertTrue(ps.getFill() instanceof TexturePaint);
    }

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private void quickPolygonSymbolizer() {
    // quickPolygonSymbolizer start
    StyleBuilder styleBuilder = new StyleBuilder();
    FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2();
    
    PolygonSymbolizer polygonSymbolizer = styleBuilder.createPolygonSymbolizer(Color.BLUE);
    polygonSymbolizer.getFill().setOpacity(ff.literal(0.5)); // 50% blue
    
    polygonSymbolizer.setStroke(styleBuilder.createStroke(Color.BLACK, 2.0));
    
    // will create a default feature type style and rule etc...
    Style style = styleBuilder.createStyle(polygonSymbolizer);
    // quickPolygonSymbolizer end
}

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    }


    @Override
    public void visit(PolygonSymbolizer poly) {
        super.visit(poly);
        PolygonSymbolizer copy = (PolygonSymbolizer) pages.peek();


        Unit<Length> uom = copy.getUnitOfMeasure();
        rescaleStroke(copy.getStroke(), uom);
        rescaleFill(copy.getFill(), uom);
        copy.setUnitOfMeasure(NonSI.PIXEL);
    }

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        }
        pages.push(copy);
    }


    public void visit(PolygonSymbolizer poly) {
        PolygonSymbolizer copy = sf.createPolygonSymbolizer();
        copy.setFill( copy( poly.getFill()));
        
        copy.setGeometry(copy(poly.getGeometry()));
        
        copy.setUnitOfMeasure(poly.getUnitOfMeasure());
        copy.setStroke(copy(poly.getStroke()));
        copy.getOptions().putAll(poly.getOptions());
        
        if( STRICT && !copy.equals( poly )){
            throw new IllegalStateException("Was unable to duplicate provided PolygonSymbolizer:"+poly );
        }
        pages.push(copy);
    }

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    }


    public void testPolygonSymbolizer() {
        try {
            //visitor.setStrict(true);
            PolygonSymbolizer polygonSymb = sf.createPolygonSymbolizer();
            PolygonSymbolizer clone = (PolygonSymbolizer) visitor
                    .copy(polygonSymb);
            assertCopy(polygonSymb, clone);


            PolygonSymbolizer notEq = sf.getDefaultPolygonSymbolizer();
            notEq.setGeometryPropertyName("something_else");


            assertEqualsContract(clone, notEq, polygonSymb);
        } finally {
            visitor.setStrict(false);
        }

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    }


    public void testPolygonSymbolizerWithUOM() {
        try {
            //visitor.setStrict(true);
            PolygonSymbolizer polygonSymb = sf.createPolygonSymbolizer();
            polygonSymb.setUnitOfMeasure(UomOgcMapping.FOOT.getUnit());
            PolygonSymbolizer clone = (PolygonSymbolizer) visitor
                    .copy(polygonSymb);
            assertCopy(polygonSymb, clone);


            PolygonSymbolizer notEq = sf.getDefaultPolygonSymbolizer();
            notEq.setUnitOfMeasure(UomOgcMapping.PIXEL.getUnit());


            assertEqualsContract(clone, notEq, polygonSymb);
        } finally {
            visitor.setStrict(false);
        }

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        assertEquals("Any Expression set as Geometry must be correctly replicated", geomFunc, copy
                .getGeometry());
    }


    public void testPolygonSymbolizerWithGeometryFunction() {
        PolygonSymbolizer symb = sf.createPolygonSymbolizer();


        // Set a function as geometry
        Function geomFunc = ff.function("centroid", ff.property("thr_geom"));
        symb.setGeometry(geomFunc);


        PolygonSymbolizer copy = (PolygonSymbolizer) visitor.copy(symb);


        // compare it
        assertEquals("Any Expression set as Geometry must be correctly replicated", geomFunc, copy
                .getGeometry());
    }

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            placement = SLDs.getPlacement(SLDs.ALIGN_LEFT, SLDs.ALIGN_MIDDLE, 0);


            name = sym == null ? null : sym.getGeometryPropertyName();
        } else if (mode == Mode.POLYGON) {
            polyMode.setSelection(true);
            PolygonSymbolizer sym = SLDs.polySymbolizer(fts);
            stroke = SLDs.stroke(sym);
            fill = SLDs.fill(sym);
            placement = SLDs.getPlacement(SLDs.ALIGN_CENTER, SLDs.ALIGN_MIDDLE, 0);


            name = sym == null ? null : sym.getGeometryPropertyName();
        } else if (mode == Mode.POINT || mode == Mode.ALL) { // default to handling as Point
            pointMode.setSelection(true);


            PointSymbolizer sym = SLDs.pointSymbolizer(fts);
            stroke = SLDs.stroke(sym);
            fill = SLDs.fill(sym);
            graphic = SLDs.graphic(sym);
            placement = SLDs.getPlacement(SLDs.ALIGN_LEFT, SLDs.ALIGN_MIDDLE, 0);


            name = sym == null ? null : sym.getGeometryPropertyName();
        }


        text = SLDs.textSymbolizer(fts);
        if (text != null && placement != null) {
            text.setLabelPlacement(placement);

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            }
        }
            break;


        case POLYGON: {
            PolygonSymbolizer polygonSymbolizer = this.build.createPolygonSymbolizer(this.line.getStroke(this.build),
                    this.fill.getFill(this.build));
            polygonSymbolizer.setGeometryPropertyName(geometryPropertyName);
            acquire.add(polygonSymbolizer);
            if (textSym != null) {
                acquire.add(textSym);
            }
        }
            break;


        case POINT: {
            PointSymbolizer pointSymbolizer = this.build.createPointSymbolizer(this.point.getGraphic(
                    this.fill.getFill(this.build), this.line.getStroke(this.build), this.build));
            pointSymbolizer.setGeometryPropertyName(geometryPropertyName);
            acquire.add(pointSymbolizer);
            if (textSym != null) {
                acquire.add(textSym);
            }
        }
            break;
        case ALL: {
            LineSymbolizer lineSymbolizer = this.build.createLineSymbolizer(this.line.getStroke(this.build));
            acquire.add(lineSymbolizer);
            acquire.add(lineSymbolizer);
            PolygonSymbolizer polygonSymbolizer = this.build.createPolygonSymbolizer(this.line.getStroke(this.build),
                    this.fill.getFill(this.build));
            polygonSymbolizer.setGeometryPropertyName(geometryPropertyName);
            acquire.add(polygonSymbolizer);
            PointSymbolizer pointSymbolizer = this.build.createPointSymbolizer(this.point.getGraphic(
                    this.fill.getFill(this.build), this.line.getStroke(this.build), this.build));
            pointSymbolizer.setGeometryPropertyName(geometryPropertyName);
            acquire.add(pointSymbolizer);

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