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 $Id$

        this.hasFill = hasFill;
        if (hasFill) {
            checkFillExists();
        } else {
            fill = null;
            PolygonSymbolizer polygonSymbolizer = (PolygonSymbolizer) getSymbolizer();
            polygonSymbolizer.setFill(null);
        }
    }

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        this.hasStroke = hasStroke;
        if (hasStroke) {
            checkStrokeExists();
        } else {
            stroke = null;
            PolygonSymbolizer polygonSymbolizer = (PolygonSymbolizer) getSymbolizer();
            polygonSymbolizer.setStroke(null);
        }
    }

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            }
            if (strokeWidth == null) {
                strokeWidth = DEFAULT_WIDTH;
            }
            stroke = sf.createStroke(ff.literal(strokeColor), ff.literal(strokeWidth));
            PolygonSymbolizer polygonSymbolizer = (PolygonSymbolizer) getSymbolizer();
            polygonSymbolizer.setStroke(stroke);
            strokeGraphicStroke = stroke.getGraphicStroke();
        }
    }

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    }


    /** Unsure if this is the paint for the border, or the fill? */
    private void paint( ViewportGraphics g, SimpleFeature feature, LiteShape shape, Symbolizer symb ) {
        if (symb instanceof PolygonSymbolizer) {
            PolygonSymbolizer polySymb = (PolygonSymbolizer) symb;
            double opacity = SLDs.polyFillOpacity(polySymb);
            Color fillColor = SLDs.polyFill(polySymb);
            Stroke stroke = SLDs.stroke(polySymb);
            Color strokeColor = SLDs.polyColor(polySymb);

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        if (SLD.isLine(geom)) {
            sldContentManager.addSymbolizer(createLineSymbolizer(colour));
        } else if (SLD.isPoint(geom)) {
            sldContentManager.addSymbolizer(createPointSymbolizer(colour));
        } else if (SLD.isPolygon(geom)) {
            PolygonSymbolizer symbol = createPolygonSymbolizer(colour);
            sldContentManager.addSymbolizer(symbol);
        } else {
            try {
                createGeometrySLD(colour, schema.getGeometryDescriptor().getName().getLocalPart(),
                        sldContentManager);

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        Fill fill = styleBuilder.createFill();
        fill.setColor(styleBuilder.colorExpression(colour));
        fill.setOpacity(styleBuilder.literalExpression(.5));


        PolygonSymbolizer symbolizer = styleBuilder.createPolygonSymbolizer(stroke, fill);


        return symbolizer;
    }

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        Graphics2D g2d = (Graphics2D) bI.getGraphics();
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);


        if (symb instanceof PolygonSymbolizer) {
            PolygonSymbolizer polySymb = (PolygonSymbolizer) symb;
            Color stroke = SLDs.polyColor(polySymb);
            double opacity = SLDs.polyFillOpacity(polySymb);
            Color fill = SLDs.polyFill(polySymb);


            int width = SLDs.width(SLDs.stroke(polySymb));

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    }


    /** Unsure if this is the paint for the border, or the fill? */
    private void paint( ViewportGraphics g, SimpleFeature feature, LiteShape shape, Symbolizer symb ) {
         if( symb instanceof PolygonSymbolizer){
            PolygonSymbolizer polySymb = (PolygonSymbolizer) symb;
            Color stroke=SLDs.polyColor(polySymb);
            
            double opacity=SLDs.polyFillOpacity(polySymb);
            Color fill=SLDs.polyFill(polySymb);

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     */
    public static Style createPolyStyle( String typeName, Color line, Color fill ) {
        StyleBuilder sb = new StyleBuilder();
        Style polystyle = sb.createStyle();


        PolygonSymbolizer poly = sb.createPolygonSymbolizer(fill, line, 1);
        polystyle.addFeatureTypeStyle(sb.createFeatureTypeStyle(poly));


        polystyle.getFeatureTypeStyles()[0].setFeatureTypeName(SLDs.GENERIC_FEATURE_TYPENAME);
        return polystyle;
    }

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            if (data instanceof Rule) {
                Rule rule = (Rule) data;
                Symbolizer[] symb = rule.getSymbolizers();
                if (symb.length == 1) { //we're only expecting 1
                    if (symb[0] instanceof PolygonSymbolizer) {
                        PolygonSymbolizer ps = (PolygonSymbolizer) symb[0];
                        Fill fill = ps.getFill();
                        oldColorExpr = fill.getColor();
                        fill.setColor(newColorExpr);
                    }else if (symb[0] instanceof PointSymbolizer) {
                        PointSymbolizer ps = (PointSymbolizer) symb[0];
                        Mark[] marks = ps.getGraphic().getMarks();
                        if(marks!=null && marks.length>0){
                            oldColorExpr = marks[0].getFill().getColor();
                            marks[0].getFill().setColor(newColorExpr);
                        }
                    }else if (symb[0] instanceof LineSymbolizer) {
                        LineSymbolizer ps = (LineSymbolizer) symb[0];
                        Stroke stroke = ps.getStroke();
                        oldColorExpr = stroke.getColor();
                        stroke.setColor(newColorExpr);
                    }
                    
                    if (newColorExpr.equals(oldColorExpr)) {

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