Examples of org.geotools.styling.LineSymbolizer

org.geotools.styling.LineSymbolizer
l.opengeospatial.org/files/?artifact_id=1188"> OGC Styled-Layer Descriptor Report (OGC 02-070) version 1.0.0.:
```
 <xsd:element name="LineSymbolizer" substitutionGroup="sld:Symbolizer"> <xsd:annotation> <xsd:documentation> A LineSymbolizer is used to render a "stroke" along a linear geometry. </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: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, CCG @source $URL$ @version $Id$

    
    @Test
    public void testRescaleLocalPixelInMetersSymbolizer() throws Exception {
        Stroke stroke = sb.createStroke(Color.RED, 2, new float[] {5, 10});
        stroke.setWidth(ff.literal("2px"));
        LineSymbolizer ls = sb.createLineSymbolizer(stroke);
        ls.setUnitOfMeasure(SI.METER);
        ls.accept(visitor);
        LineSymbolizer clone = (LineSymbolizer) visitor.getCopy();
        
        assertEquals("4px", clone.getStroke().getWidth().evaluate(null, String.class));
    }

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                setFillOpacityItems( SLD.opacity(polySym.getFill()) );
                break;


            case LINESTRING:
            case MULTILINESTRING:
                LineSymbolizer lineSym = (LineSymbolizer) sym;
                setLineColorItems( SLD.color(lineSym) );
                break;


            case POINT:
            case MULTIPOINT:

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    @Test
    public void testRescaleLocalPixelInPixelSymbolizer() throws Exception {
        Stroke stroke = sb.createStroke(Color.RED, 2, new float[] {5, 10});
        stroke.setWidth(ff.literal("2px"));
        LineSymbolizer ls = sb.createLineSymbolizer(stroke);
        ls.accept(visitor);
        LineSymbolizer clone = (LineSymbolizer) visitor.getCopy();
        
        assertEquals("4", clone.getStroke().getWidth().evaluate(null, String.class));
    }

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        /*
         * Setting the geometryPropertyName arg to null signals that we want to
         * draw the default geomettry of features
         */
        LineSymbolizer sym = styleFactory.createLineSymbolizer(stroke, null);


        Rule rule = styleFactory.createRule();
        rule.symbolizers().add(sym);
        FeatureTypeStyle fts = styleFactory.createFeatureTypeStyle(new Rule[]{rule});
        Style style = styleFactory.createStyle();

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            if (sym instanceof PolygonSymbolizer) {
                PolygonSymbolizer symb = (PolygonSymbolizer) sym;
                color = polyFill(symb);


            } else if (sym instanceof LineSymbolizer) {
                LineSymbolizer symb = (LineSymbolizer) sym;
                color = color(symb);


            } else if (sym instanceof PointSymbolizer) {
                PointSymbolizer symb = (PointSymbolizer) sym;
                color = pointFillWithAlpha(symb);

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         * @param attrs1
         * @param hints
         * @throws OperationNotSupportedException
         */
        public Object getValue( Element element, ElementValue[] value, Attributes attrs1, Map hints ){
            LineSymbolizer symbol = StyleFactoryFinder.createStyleFactory().getDefaultLineSymbolizer();
            // symbol.setGraphic(null);
    
            for (int i = 0; i < value.length; i++) {
                if ((value[i] == null) || value[i].getElement() == null) {
                    continue;
                }
    
                Element e = value[i].getElement();
                if(elems[GEOMETRY].getName().equals(e.getName()))
                    symbol.setGeometryPropertyName((String)value[i].getValue());
    
                if(elems[STROKE].getName().equals(e.getName()))
                    symbol.setStroke((Stroke)value[i].getValue());
            }
            
            return symbol;
        }

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        /*
         * Setting the geometryPropertyName arg to null signals that we want to
         * draw the default geomettry of features
         */
        LineSymbolizer sym = styleFactory.createLineSymbolizer(stroke, null);


        Rule rule = styleFactory.createRule();
        rule.symbolizers().add(sym);
        try {  
      rule.setFilter(ECQL.toFilter("geometryType(the_geom)='LineString' or geometryType(the_geom)='LinearRing' or geometryType(the_geom)='MultiLineString'"));

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                // Lines
                if (!lineStyles.isEmpty()) {
                    Iterator<LineSymbolizer> iter = lineStyles.iterator();
                    while (iter.hasNext()) {
                        LineSymbolizer sym = (LineSymbolizer) iter.next();
                        try {
                            LineStyle2D style = (LineStyle2D) styleFactory.createStyle(feature,
                                    sym, scaleRange);
                            encodeLineStyle(feature, style, sym);
                        } catch (IllegalArgumentException iae) {
                            LOGGER.fine(iae.getMessage() + " for " + sym.toString());
                        }
                    }
                }


                // Polygons
                if (!polyStyles.isEmpty()) {
                    Iterator<PolygonSymbolizer> iter = polyStyles.iterator();
                    while (iter.hasNext()) {
                        PolygonSymbolizer sym = (PolygonSymbolizer) iter.next();
                        try {
                            PolygonStyle2D style = (PolygonStyle2D) styleFactory.createStyle(
                                    feature, sym, scaleRange);
                            // The last argument is forced outline
                            encodePolygonStyle(feature, style, sym, !lineStyles.isEmpty());
                        } catch (IllegalArgumentException iae) {
                            LOGGER.fine(iae.getMessage() + " for " + sym.toString());
                        }
                    }
                }


            } catch (Exception e) {

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        int numClasses = 10;
        List <Rule> rules =  builder.jenksClassification(lineCollection, "jenks71", numClasses, false);
        builder.lineStyle(rules, new BlueColorRamp(), false);
        Rule ruleOne = rules.get(0);
        assertTrue(ruleOne.getSymbolizers()[0] instanceof LineSymbolizer);
        LineSymbolizer symbolizer = (LineSymbolizer)ruleOne.getSymbolizers()[0];
        assertEquals(new Color(0, 0, 49), symbolizer.getStroke().getColor().evaluate(null, Color.class));
        assertNotNull(ruleOne.getFilter());
        assertEquals(10, rules.size());
    }

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    @Test
    public void testLineStyleReverse() throws Exception {
        int numClasses = 10;
        List <Rule> rules =  builder.jenksClassification(lineCollection, "jenks71", numClasses, false);
        builder.lineStyle(rules, new BlueColorRamp(), true);
        LineSymbolizer symbolizer = (LineSymbolizer)rules.get(0).getSymbolizers()[0];
        assertEquals(new Color(0, 0, 224), symbolizer.getStroke().getColor().evaluate(null, Color.class));
    }

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org.geoserver.kml.KMLWriter

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