/** update the the position for each threshold, and other parameters related to the positions. */
private void updateThresholdPosition() {
if (dirty) {
// get normal value
double lowLimit;
double upLimit;
if (lo.visible) lowLimit = lo.value;
else if (lolo.visible) lowLimit = lolo.value;
else lowLimit = scale.getRange().getLower();
if (hi.visible) upLimit = hi.value;
else if (hihi.visible) upLimit = hihi.value;
else upLimit = scale.getRange().getUpper();
// update normal
normal.value = (lowLimit + upLimit) / 2;
normal.absolutePosition = (int) scale.getCoercedValuePosition(normal.value, false);
normal.relativePosition = (int) scale.getCoercedValuePosition(normal.value, true);
normal.rightPoint =
new PolarPoint(
bounds.width / 2, (normal.absolutePosition - OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
normal.leftPoint =
new PolarPoint(
bounds.width / 2, (normal.absolutePosition + OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
// update min, max
if (scale.getRange().isMinBigger()) {
min.value = scale.getRange().getUpper();
max.value = scale.getRange().getLower();
} else {
min.value = scale.getRange().getLower();
max.value = scale.getRange().getUpper();
}
min.absolutePosition = (int) scale.getCoercedValuePosition(min.value, false);
min.relativePosition = (int) scale.getCoercedValuePosition(min.value, true);
max.absolutePosition = (int) scale.getCoercedValuePosition(max.value, false);
max.relativePosition = (int) scale.getCoercedValuePosition(max.value, true);
// update lolo, lo, hi, hihi
if (lolo.visible) {
lolo.absolutePosition = (int) scale.getCoercedValuePosition(lolo.value, false);
lolo.relativePosition = (int) scale.getCoercedValuePosition(lolo.value, true);
lolo.rightPoint =
new PolarPoint(
bounds.width / 2, (lolo.absolutePosition - OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
lolo.leftPoint =
new PolarPoint(
bounds.width / 2, (lolo.absolutePosition + OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
}
if (lo.visible) {
lo.absolutePosition = (int) scale.getCoercedValuePosition(lo.value, false);
lo.relativePosition = (int) scale.getCoercedValuePosition(lo.value, true);
lo.rightPoint =
new PolarPoint(bounds.width / 2, (lo.absolutePosition - OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
lo.leftPoint =
new PolarPoint(bounds.width / 2, (lo.absolutePosition + OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
}
if (hi.visible) {
hi.absolutePosition = (int) scale.getCoercedValuePosition(hi.value, false);
hi.relativePosition = (int) scale.getCoercedValuePosition(hi.value, true);
hi.rightPoint =
new PolarPoint(bounds.width / 2, (hi.absolutePosition - OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
hi.leftPoint =
new PolarPoint(bounds.width / 2, (hi.absolutePosition + OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
}
if (hihi.visible) {
hihi.absolutePosition = (int) scale.getCoercedValuePosition(hihi.value, false);
hihi.relativePosition = (int) scale.getCoercedValuePosition(hihi.value, true);
hihi.rightPoint =
new PolarPoint(
bounds.width / 2, (hihi.absolutePosition - OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
hihi.leftPoint =
new PolarPoint(
bounds.width / 2, (hihi.absolutePosition + OVERLAP_DEGREE) * Math.PI / 180)
.toAbsolutePoint(bounds);
}
setDirty(false);
}
}
