Examples of org.geotools.styling.LineSymbolizerImpl

org.geotools.styling.LineSymbolizerImpl
Provides a representation of a LineSymbolizer in an SLD Document. A LineSymbolizer defines how a line geometry should be rendered. @author James Macgill @author Johann Sorel (Geomatys) @source $URL$ @version $Id$

            double size = 100;
            double expectedRescaledSize = computeExpectedRescaleSize(size, scaleMetersToPixel, uom);
            
            StyleBuilder styleBuilder = new StyleBuilder();


            LineSymbolizerImpl lineSymb = (LineSymbolizerImpl) styleBuilder.createLineSymbolizer();
            lineSymb.setUnitOfMeasure(uom);
            
            FilterFactory2 filterFactory  = new FilterFactoryImpl();
            lineSymb.getStroke().setWidth(filterFactory.literal(size));


            visitor = new UomRescaleStyleVisitor(scaleMetersToPixel);


            lineSymb.accept(visitor);
            LineSymbolizer rescaledLineSymb = (LineSymbolizer) visitor.getCopy();
            double rescaledSize = rescaledLineSymb.getStroke().getWidth().evaluate(null, Double.class);
            
            assertEquals(Math.round(expectedRescaledSize), Math.round(rescaledSize));
            assertNotSame(rescaledLineSymb, lineSymb);

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            UomRescaleStyleVisitor visitor = null;
            
            StyleBuilder styleBuilder = new StyleBuilder();


            Stroke stroke = null;
            LineSymbolizerImpl lineSymb = (LineSymbolizerImpl) styleBuilder.createLineSymbolizer(stroke);
            lineSymb.setUnitOfMeasure(SI.METER);
            
            visitor = new UomRescaleStyleVisitor(10);


            lineSymb.accept(visitor);
            LineSymbolizer rescaledLineSymb = (LineSymbolizer) visitor.getCopy();
            
            assertNull(rescaledLineSymb.getStroke());
            assertNotSame(rescaledLineSymb, lineSymb);
        }

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            // creates the symbolizer for the test
            Expression color = styleBuilder.colorExpression(Color.RED);
            Expression width = styleBuilder.attributeExpression("width");
            Stroke stroke = styleBuilder.createStroke(color, width);
            LineSymbolizerImpl lineSymb = (LineSymbolizerImpl) styleBuilder.createLineSymbolizer(stroke);
            lineSymb.setUnitOfMeasure(uom);


            
            // rescales symbolizer
            visitor = new UomRescaleStyleVisitor(scaleMetersToPixel);


            lineSymb.accept(visitor);
            LineSymbolizer rescaledLineSymb = (LineSymbolizer) visitor.getCopy();


            
            // tests results
            org.opengis.style.Stroke rescaledStroke = rescaledLineSymb.getStroke();

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        double size = 100;
        double scaleMetersToPixel = 10;
        double expectedRescaledSize = computeExpectedRescaleSize(size, scaleMetersToPixel, SI.METER);


        StyleBuilder styleBuilder = new StyleBuilder();
        LineSymbolizerImpl lineSymb = (LineSymbolizerImpl) styleBuilder.createLineSymbolizer();
        lineSymb.getStroke().setWidth(ff.literal(size + "m"));


        visitor = new UomRescaleStyleVisitor(scaleMetersToPixel);


        lineSymb.accept(visitor);
        LineSymbolizer rescaledLineSymb = (LineSymbolizer) visitor.getCopy();
        double rescaledSize = rescaledLineSymb.getStroke().getWidth().evaluate(null, Double.class);


        assertEquals(Math.round(expectedRescaledSize), Math.round(rescaledSize));
        assertNotSame(rescaledLineSymb, lineSymb);

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        double size = 100;
        double scaleMetersToPixel = 10;
        double expectedRescaledSize = computeExpectedRescaleSize(size, scaleMetersToPixel, SI.METER);


        StyleBuilder styleBuilder = new StyleBuilder();
        LineSymbolizerImpl lineSymb = (LineSymbolizerImpl) styleBuilder.createLineSymbolizer();
        lineSymb.setUnitOfMeasure(NonSI.FOOT);
        lineSymb.getStroke().setWidth(ff.literal(size + "m"));


        visitor = new UomRescaleStyleVisitor(scaleMetersToPixel);


        lineSymb.accept(visitor);
        LineSymbolizer rescaledLineSymb = (LineSymbolizer) visitor.getCopy();
        double rescaledSize = rescaledLineSymb.getStroke().getWidth().evaluate(null, Double.class);


        assertEquals(Math.round(expectedRescaledSize), Math.round(rescaledSize));
        assertNotSame(rescaledLineSymb, lineSymb);

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        UomRescaleStyleVisitor visitor = null;
        double size = 100;
        double scaleMetersToPixel = 10;


        StyleBuilder styleBuilder = new StyleBuilder();
        LineSymbolizerImpl lineSymb = (LineSymbolizerImpl) styleBuilder.createLineSymbolizer();
        lineSymb.setUnitOfMeasure(SI.METER);
        lineSymb.getStroke().setWidth(ff.literal(size + "px"));


        visitor = new UomRescaleStyleVisitor(scaleMetersToPixel);


        lineSymb.accept(visitor);
        LineSymbolizer rescaledLineSymb = (LineSymbolizer) visitor.getCopy();
        double rescaledSize = rescaledLineSymb.getStroke().getWidth().evaluate(null, Double.class);


        assertEquals(Math.round(size), Math.round(size));
        assertNotSame(rescaledLineSymb, lineSymb);

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Related Classes of org.geotools.styling.LineSymbolizerImpl

org.geotools.styling.visitor.UomRescaleStyleVisitorTest

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