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Merge pull request #728 from teyrana/fix/723-scaling

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[Fixes #723] Fix scaling crashes in some circumstances
This commit is contained in:
Daniel Williams 2020-08-02 16:12:25 -04:00 committed by GitHub
commit 908cd3e619
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 7 additions and 4 deletions
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3
core/src/net/sf/openrocket/rocketcomponent/RingComponent.java
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@ -179,8 +179,7 @@ public abstract class RingComponent extends StructuralComponent implements Coaxi
if (1 == instanceCount ) {
cg = new Coordinate( length/2, 0, 0, instanceMass );
}else{
Coordinate offsets[] = getInstanceOffsets();
for( Coordinate c : offsets) {
for( Coordinate c : getInstanceOffsets() ) {
c = c.setWeight( instanceMass );
cg = cg.average(c);
}

2
core/src/net/sf/openrocket/rocketcomponent/RocketComponent.java
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@ -1930,7 +1930,7 @@ public abstract class RocketComponent implements ChangeSource, Cloneable, Iterab
protected static final double ringMass(double outerRadius, double innerRadius,
double length, double density) {
return Math.PI * (MathUtil.pow2(outerRadius) - MathUtil.pow2(innerRadius)) *
return Math.PI * Math.max(MathUtil.pow2(outerRadius) - MathUtil.pow2(innerRadius),0) *
length * density;
}

4
swing/src/net/sf/openrocket/gui/dialogs/ScaleDialog.java
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@ -392,7 +392,11 @@ public class ScaleDialog extends JDialog {
scale.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
final Rocket rocket = document.getRocket();
rocket.enableEvents(false);
doScale();
rocket.enableEvents(true);
ScaleDialog.this.document.getRocket().fireComponentChangeEvent( ComponentChangeEvent.AEROMASS_CHANGE);

2
swing/src/net/sf/openrocket/gui/scalefigure/AbstractScaleFigure.java
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@ -185,7 +185,7 @@ public abstract class AbstractScaleFigure extends JPanel {
* Updates the figure shapes and figure size.
*/
public void updateFigure() {
log.trace(String.format("____ Updating %s to: %g user scale, %g overall scale", this.getClass().getSimpleName(), this.getAbsoluteScale(), this.scale));
log.trace(String.format("____ Updating %s to: %g user scale, %g overall scale", this.getClass().getSimpleName(), this.userScale, this.scale));
updateSubjectDimensions();
updateCanvasSize();