public void computeMetricScaleExtremes(
int UTMZone, String hemisphere, GridElement ge, double size) {
if (UTMZone != this.zone) return;
if (size < 1 || size > this.maxResolution) return;
UTMExtremes levelExtremes = this.extremes[(int) Math.log10(size) - 1];
if (ge.type.equals(GridElement.TYPE_LINE_EASTING)
|| ge.type.equals(GridElement.TYPE_LINE_EAST)
|| ge.type.equals(GridElement.TYPE_LINE_WEST)) {
levelExtremes.minX = ge.value < levelExtremes.minX ? ge.value : levelExtremes.minX;
levelExtremes.maxX = ge.value > levelExtremes.maxX ? ge.value : levelExtremes.maxX;
} else if (ge.type.equals(GridElement.TYPE_LINE_NORTHING)
|| ge.type.equals(GridElement.TYPE_LINE_SOUTH)
|| ge.type.equals(GridElement.TYPE_LINE_NORTH)) {
if (hemisphere.equals(levelExtremes.minYHemisphere))
levelExtremes.minY = ge.value < levelExtremes.minY ? ge.value : levelExtremes.minY;
else if (hemisphere.equals(AVKey.SOUTH)) {
levelExtremes.minY = ge.value;
levelExtremes.minYHemisphere = hemisphere;
}
if (hemisphere.equals(levelExtremes.maxYHemisphere))
levelExtremes.maxY = ge.value > levelExtremes.maxY ? ge.value : levelExtremes.maxY;
else if (hemisphere.equals(AVKey.NORTH)) {
levelExtremes.maxY = ge.value;
levelExtremes.maxYHemisphere = hemisphere;
}
}
}
public void clear() {
int numLevels = (int) Math.log10(this.maxResolution);
this.extremes = new UTMExtremes[numLevels];
for (int i = 0; i < numLevels; i++) {
this.extremes[i] = new UTMExtremes();
this.extremes[i].clear();
}
}