Examples with Element org.gephi.graph.api.Element used on opensource projects

Example 1 with Element

use of org.gephi.graph.api.Element in project gephi-plugins-bootcamp by gephi.

the class EqualValuesMergeStrategy method execute.

@Override
public void execute() {
    Column column1, column2;
    column1 = columns[0];
    column2 = columns[1];
    //Simplify code using data laboratory API utilities:
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    //New column:
    Column newColumn = ac.addAttributeColumn(table, columnTitle, Boolean.class);
    //Fill rows of new column:
    Element[] rows = ac.getTableAttributeRows(table);
    for (int i = 0; i < rows.length; i++) {
        rows[i].setAttribute(newColumn, valuesAreEqual(column1, column2, rows[i]));
    }
}

Example 2 with Element

use of org.gephi.graph.api.Element in project gephi-plugins-bootcamp by gephi.

the class ConvertColumnToDynamic method execute.

@Override
public void execute(Table table, Column column) {
    Class dynamicType = AttributeUtils.getIntervalMapType(column.getTypeClass());
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    Element[] rows = ac.getTableAttributeRows(table);
    Object[] values = new Object[rows.length];
    Interval interval = new Interval(Double.parseDouble(start), Double.parseDouble(end));
    for (int i = 0; i < values.length; i++) {
        try {
            IntervalMap val = (IntervalMap) dynamicType.newInstance();
            val.put(interval, rows[i].getAttribute(column));
        } catch (Exception e) {
        }
    }
    table.removeColumn(column);
    Column dynamicColumn = table.addColumn(column.getId(), column.getTitle(), dynamicType, null);
    for (int i = 0; i < values.length; i++) {
        rows[i].setAttribute(dynamicColumn, values[i]);
    }
}

Example 3 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AppearanceModelImpl method isPartition.

private boolean isPartition(Graph graph, Column column) {
    int valueCount, elementCount;
    if (column.isDynamic()) {
        if (!column.isNumber()) {
            return true;
        }
        Set<Object> set = new HashSet<>();
        boolean hasNullValue = false;
        int elements = 0;
        ElementIterable<? extends Element> iterable = AttributeUtils.isNodeColumn(column) ? graph.getNodes() : graph.getEdges();
        for (Element el : iterable) {
            TimeMap val = (TimeMap) el.getAttribute(column);
            if (val != null) {
                Object[] va = val.toValuesArray();
                for (Object v : va) {
                    if (v != null) {
                        set.add(v);
                    } else {
                        hasNullValue = true;
                    }
                    elements++;
                }
            }
        }
        valueCount = set.size();
        elementCount = elements;
    } else if (column.isIndexed()) {
        if (!column.isNumber()) {
            return true;
        }
        Index index;
        if (AttributeUtils.isNodeColumn(column)) {
            index = graphModel.getNodeIndex(graph.getView());
        } else {
            index = graphModel.getEdgeIndex(graph.getView());
        }
        valueCount = index.countValues(column);
        elementCount = index.countElements(column);
    } else {
        return false;
    }
    double ratio = valueCount / (double) elementCount;
    return ratio <= 0.5 || (valueCount <= 100 && valueCount != elementCount);
}

Example 4 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeRankingImpl method refreshDynamic.

protected void refreshDynamic(ElementIterable<? extends Element> iterable) {
    double minN = Double.POSITIVE_INFINITY;
    double maxN = Double.NEGATIVE_INFINITY;
    for (Element el : iterable) {
        TimeMap timeMap = (TimeMap) el.getAttribute(column);
        if (timeMap != null) {
            double numMin = ((Number) timeMap.get(graph.getView().getTimeInterval(), Estimator.MIN)).doubleValue();
            double numMax = ((Number) timeMap.get(graph.getView().getTimeInterval(), Estimator.MAX)).doubleValue();
            if (numMin < minN) {
                minN = numMin;
            }
            if (numMax > maxN) {
                maxN = numMax;
            }
        }
    }
    min = minN;
    max = maxN;
}

Example 5 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsControllerImpl method negateColumnBooleanType.

/**
     * Used to negate the values of a single boolean column.
     */
private void negateColumnBooleanType(Table table, Column column) {
    Object value;
    Boolean newValue;
    for (Element row : getTableAttributeRows(table)) {
        value = row.getAttribute(column);
        if (value != null) {
            newValue = !((Boolean) value);
            row.setAttribute(column, newValue);
        }
    }
}