cdm/src/main/java/ucar/nc2/ft/point/PointIteratorFiltered.java
private PointFeature nextFilteredDataPoint() {
        while (origIter.hasNext()) {
            PointFeature pointFeat = origIter.next();
            if (filter.filter(pointFeat)) {
                return pointFeat;
            }
        }

        return null;
    }
private PointFeature nextFilteredDataPoint() {
        while (origIter.hasNext()) {
            PointFeature pointFeat = origIter.next();
            if (filter.filter(pointFeat)) {
                return pointFeat;
            }
        }

        return null;
    }
Returns the next point that satisfies the filter, or {@code null} if no such point exists.

@return the next point that satisfies the filter, or {@code null} if no such point exists.