Examples of org.geotools.styling.Rule

org.geotools.styling.Rule

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

 <xsd:element name="Rule"> <xsd:annotation> <xsd:documentation> A Rule is used to attach property/scale conditions to and group the individual symbolizers used for rendering. </xsd:documentation> </xsd:annotation> <xsd:complexType> <xsd:sequence> <xsd:element ref="sld:Name" minOccurs="0"/> <xsd:element ref="sld:Title" minOccurs="0"/> <xsd:element ref="sld:Abstract" minOccurs="0"/> <xsd:element ref="sld:LegendGraphic" minOccurs="0"/> <xsd:choice minOccurs="0"> <xsd:element ref="ogc:Filter"/> <xsd:element ref="sld:ElseFilter"/> </xsd:choice> <xsd:element ref="sld:MinScaleDenominator" minOccurs="0"/> <xsd:element ref="sld:MaxScaleDenominator" minOccurs="0"/> <xsd:element ref="sld:Symbolizer" maxOccurs="unbounded"/> </xsd:sequence> </xsd:complexType> </xsd:element>

@source $URL$

                    boolean doElse = true;
                    SimpleFeature feature = reader.next();


                    // applicable rules
                    for (Iterator it = ruleList.iterator(); it.hasNext();) {
                        Rule r = (Rule) it.next();
                        LOGGER.finer(new StringBuffer("applying rule: ")
                                .append(r.toString()).toString());


                        Filter filter = r.getFilter();


                        if ((filter == null) || filter.evaluate(feature)) {
                            doElse = false;
                            LOGGER.finer("processing raster-result Symobolizer ...");


                            Symbolizer[] symbolizers = r.getSymbolizers();


                            processRasterSymbolizers(feature, symbolizers,
                                    order);
                            layerCounter++;
                        }
                    }


                    if (doElse) {
                        // rules with an else filter
                        LOGGER.finer("rules with an else filter");


                        for (Iterator it = elseRuleList.iterator(); it
                                .hasNext();) {
                            Rule r = (Rule) it.next();
                            Symbolizer[] symbolizers = r.getSymbolizers();
                            LOGGER.finer("processing raster-result Symobolizer ...");


                            processRasterSymbolizers(feature, symbolizers,
                                    order);
                            layerCounter++;

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    private void populateRuleLists(Rule[] rules, List ruleList,
            List elseRuleList, boolean ignoreScale) {
        final int rulesLength = rules.length;


        for (int j = 0; j < rulesLength; j++) {
            Rule r = rules[j];


            if (ignoreScale) {
                if (r.hasElseFilter()) {
                    elseRuleList.add(r);
                } else {
                    ruleList.add(r);
                }
            } else {
                if (isWithinScale(r)) {
                    if (r.hasElseFilter()) {
                        elseRuleList.add(r);
                    } else {
                        ruleList.add(r);
                    }
                }

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        //process the rules, keep track of the need to apply an else filters
        boolean match = false;
        boolean hasElseFilter = false;


        for (int i = 0; i < rules.length; i++) {
            Rule rule = rules[i];
            LOGGER.finer(new StringBuffer("Applying rule: ").append(
                    rule.toString()).toString());


            //does this rule have an else filter
            if (rule.hasElseFilter()) {
                hasElseFilter = true;


                continue;
            }


            //is this rule within scale?
            if (!isWithInScale(rule, scaleDenominator)) {
                continue;
            }


            //does this rule have a filter which applies to the feature
            Filter filter = rule.getFilter();


            if ((filter == null) || filter.evaluate(feature)) {
                match = true;


                filtered.add(rule);
            }
        }


        //if no rules mached the feautre, re-run through the rules applying
        // any else filters
        if (!match && hasElseFilter) {
            //loop through again and apply all the else rules
            for (int i = 0; i < rules.length; i++) {
                Rule rule = rules[i];


                //is this rule within scale?
                if (!isWithInScale(rule, scaleDenominator)) {
                    continue;
                }


                if (rule.hasElseFilter()) {
                    filtered.add(rule);
                }
            }
        }

View Full Code Here


                // get applicable rules at the current scale
                Rule[] ftsRules = fts.getRules();
                for (int j = 0; j < ftsRules.length; j++) {
                    // getting rule
                    Rule r = ftsRules[j];


                    if (KMLUtils.isWithInScale(r, 1)) {
                        if (r.hasElseFilter()) {
                            result[ELSE_RULES].add(r);
                        } else {
                            result[RULES].add(r);
                        }
                    }

View Full Code Here

        if (rules[RULES].size() == 0 || rules[ELSE_RULES].size() > 0)
            return Filter.INCLUDE;


        List filters = new ArrayList();
        for (Iterator it = rules[RULES].iterator(); it.hasNext();) {
            Rule rule = (Rule) it.next();
            // if there is a single rule asking for all filters, we have to
            // return everything that the original filter returned already
            if (rule.getFilter() == null
                    || Filter.INCLUDE.equals(rule.getFilter()))
                return Filter.INCLUDE;
            else
                filters.add(rule.getFilter());
        }


        FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);
        return ff.or(filters);
    }

View Full Code Here

    public void testUserSpecifiedRule() throws Exception {
        //load a style with 3 rules
        Style multipleRulesStyle = getCatalog().getStyleByName(MockData.ROAD_SEGMENTS.getLocalPart()).getStyle();
        assertNotNull(multipleRulesStyle);
        
        Rule rule = multipleRulesStyle.getFeatureTypeStyles()[0].getRules()[0];
        LOGGER.info("testing single rule " + rule.getName() + " from style "
            + multipleRulesStyle.getName());


        GetLegendGraphicRequest req = new GetLegendGraphicRequest(getWMS());
        FeatureTypeInfo ftInfo = getCatalog().getFeatureTypeByName(MockData.ROAD_SEGMENTS.getNamespaceURI(), MockData.ROAD_SEGMENTS.getLocalPart());
        req.setLayer(ftInfo.getFeatureType());
        req.setStyle(multipleRulesStyle);
        req.setRule(rule);
        req.setLegendOptions(new HashMap());


        final int HEIGHT_HINT = 30;
        req.setHeight(HEIGHT_HINT);


        //use default values for the rest of parameters
        this.legendProducer.produceLegendGraphic(req);


        BufferedImage legend = this.legendProducer.getLegendGraphic();


        //was the legend painted?
        assertNotBlank("testUserSpecifiedRule", legend, LegendUtils.DEFAULT_BG_COLOR);


        //was created only one rule?
        String errMsg = "expected just one legend of height " + HEIGHT_HINT + ", for the rule "
            + rule.getName();
        int resultLegendCount = legend.getHeight() / HEIGHT_HINT;
        assertEquals(errMsg, 1, resultLegendCount);
    }

View Full Code Here

        //process the rules, keep track of the need to apply an else filters
        boolean match = false;
        boolean hasElseFilter = false;


        for (int i = 0; i < rules.length; i++) {
            Rule rule = rules[i];
            LOGGER.finer(new StringBuffer("Applying rule: ").append(rule.toString()).toString());


            //does this rule have an else filter
            if (rule.hasElseFilter()) {
                hasElseFilter = true;


                continue;
            }
            double scaleDenominator;
      try {
        scaleDenominator = RendererUtilities.calculateScale(mapContext.getAreaOfInterest(), mapContext.getMapWidth(), mapContext.getMapHeight(),100);
      
              //is this rule within scale?
              if ( !EncodeHTMLImageMap.isWithInScale(rule,scaleDenominator)) {
                continue;
              }
            } catch (TransformException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      } catch (FactoryException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
            
            //does this rule have a filter which applies to the feature
            Filter filter = rule.getFilter();


            if ((filter == null) || filter.evaluate(feature)) {
                match = true;


                filtered.add(rule);
            }
        }


        //if no rules mached the feautre, re-run through the rules applying
        // any else filters
        if (!match && hasElseFilter) {
            //loop through again and apply all the else rules
            for (int i = 0; i < rules.length; i++) {
                Rule rule = rules[i];


                if (rule.hasElseFilter()) {
                    filtered.add(rule);
                }
            }
        }

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                    totalWidth = (int) Math.ceil(Math.max(img.getWidth(), totalWidth));
                    rowHeights[i] = img.getHeight();
                    totalHeight += img.getHeight(); 
                } else {


                    Rule rule = rules[i];
    
                    //What's the label on this rule?  We prefer to use
                    //the 'title' if it's available, but fall-back to 'name'
                    labels[i] = rule.getTitle();
                    if (labels[i] == null) labels[i] = rule.getName();
                    if (labels[i] == null) labels[i] = "";
                    
                    Graphics2D g = img.createGraphics();
                    g.setFont(labelFont);

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    public void visit(org.geotools.styling.TextSymbolizer ts) {
        pages.push(null);
    }


    public void visit(Rule rule) {
        Rule copy = null;


        Filter filterCopy = null;


        if (rule.getFilter() != null) {
            Filter filter = rule.getFilter();
            filterCopy = copy(filter);
        }


        // modified to deal with null copies that should be skipped
        List<Symbolizer> symArray = new ArrayList<Symbolizer>();
        for (Symbolizer sym : rule.symbolizers()) {
            Symbolizer symcopy = copy(sym);
            if (symcopy != null)
                symArray.add(symcopy);
        }
        Symbolizer[] symsCopy = (Symbolizer[]) symArray.toArray(new Symbolizer[symArray.size()]);


        Graphic[] legendCopy = rule.getLegendGraphic();
        for (int i = 0; i < legendCopy.length; i++) {
            legendCopy[i] = copy(legendCopy[i]);
        }


        Description descCopy = rule.getDescription();
        descCopy = copy(descCopy);


        copy = new StyleFactoryImpl().createRule(symsCopy, descCopy, legendCopy, rule.getName(),
                filterCopy, rule.isElseFilter(), rule.getMaxScaleDenominator(), rule
                        .getMinScaleDenominator());


        if (STRICT && !copy.equals(rule)) {
            throw new IllegalStateException("Was unable to duplicate provided Rule:" + rule);
        }
        pages.push(copy);
    }

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      for (int i = 0; i < ftStyles.length; i++) {
          FeatureTypeStyle fts = ftStyles[i];
          Rule[] rules = fts.getRules();
  
          for (int j = 0; j < rules.length; j++) {
              Rule r = rules[j];
  
              if (isWithInScale(r, scaleDenominator)) {
                  ruleList.add(r);
  
                  /*

View Full Code Here

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