Examples of org.geotools.filter.function.RangedClassifier

org.geotools.filter.function.RangedClassifier
Classifies into ranges of minimum and maximum values.
The buckets are defined such that:
min <= x < max

So if you provide the following min/max values:
min = {3, 6, 9}
max = {4, 10, 30}

The classify function will classify items based on:
3 <= x < 4
6 <= x < 10
9 <= x <= 30
@author Cory Horner, Refractions Research @source $URL$

                }
                if (min.size() > 0){
                    //lets make a range (this will ignore explicit classifiers)
                    //really you can't mix the two so the ui
                    //should probably be made smarter.
                    this.styleThemePage.customBreak = new RangedClassifier(min.toArray(new Double[min.size()]), max.toArray(new Double[max.size()]));
                }else{
                    //lets make a explicit classifier
                    this.styleThemePage.customBreak = new ExplicitClassifier(values);
                }

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        function.setParameters(params);


        Object object = function.evaluate(fc);
        assertTrue(object instanceof RangedClassifier);


        RangedClassifier classifier = (RangedClassifier) object;


        Color[] colors = brewer.getPalette(paletteName).getColors(2);


        // get the fts
        FeatureTypeStyle fts = StyleGenerator.createFeatureTypeStyle(classifier, expr2, colors,

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        //            numClasses++;
        //        }


        //numeric
        if (classifier instanceof RangedClassifier) {
            RangedClassifier ranged = (RangedClassifier) classifier;


            Object localMin = null;
            Object localMax = null;


            // for each class
            for (int i = 0; i < ranged.getSize(); i++) {
                // obtain min/max values
                localMin = ranged.getMin(i);
                localMax = ranged.getMax(i);


                Rule rule = createRuleRanged(ranged, expression, localMin, localMax,
                        geometryAttrType, i, elseMode, colors, opacity, defaultStroke);
                fts.addRule(rule);
            }

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    Comparable max[] = new Comparable[25];
    for (int i = 0; i < 25; i++) {
        min[i] = (char) ('A' + i);
        max[i] = (char) ('B' + i);
    }
    Classifier alphabetical = new RangedClassifier(min, max);
    // rangedClassifierExample end
}

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Related Classes of org.geotools.filter.function.RangedClassifier

org.geotools.brewer.BrewerExamples

org.geotools.brewer.color.StyleGenerator

org.geotools.brewer.color.StyleGeneratorTest

org.locationtech.udig.style.sld.editor.IPaletteCellEditor

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