*/
public WaferMapDataset(int maxChipX, int maxChipY, Number chipSpace) {
this.maxValue = new Double(Double.NEGATIVE_INFINITY);
this.minValue = new Double(Double.POSITIVE_INFINITY);
this.data = new DefaultKeyedValues2D();
this.maxChipX = maxChipX;
this.maxChipY = maxChipY;
if (chipSpace == null) {
this.chipSpace = DEFAULT_CHIP_SPACE;