/**
* Construct a GraphicsModeControlJ3D associated with the input display
*
* @param d display associated with this GraphicsModeControlJ3D
*/
public GraphicsModeControlJ3D(DisplayImpl d) {
super(d);
lineWidth = 1.0f;
pointSize = 1.0f;
lineStyle = SOLID_STYLE;
pointMode = false;
textureEnable = true;
scaleEnable = false;
// NICEST, FASTEST and BLENDED do not solve the depth precedence problem
// note SCREEN_DOOR does not seem to work with variable transparency
// transparencyMode = TransparencyAttributes.NICEST;
transparencyMode = TransparencyAttributes.FASTEST;
// transparencyMode = TransparencyAttributes.BLENDED;
// transparencyMode = TransparencyAttributes.SCREEN_DOOR;
polygonMode = PolygonAttributes.POLYGON_FILL;
polygonOffset = Float.NaN;
polygonOffsetFactor = 0f;
adjustProjectionSeam = true;
texture3DMode = STACK2D;
projectionPolicy = View.PERSPECTIVE_PROJECTION;
DisplayRendererJ3D displayRenderer = (DisplayRendererJ3D) getDisplayRenderer();
if (displayRenderer != null) {
if (displayRenderer.getMode2D()) {
projectionPolicy = View.PARALLEL_PROJECTION;
// for some strange reason, if we set PERSPECTIVE_PROJECTION at this
// point, we can never set PARALLEL_PROJECTION
displayRenderer.getView().setProjectionPolicy(projectionPolicy);
}
}
}
/**
* Sets the antialiasing flag for the display.
*
* @param flag true to enable antialiasing
* @throws VisADException a VisAD error occurred
* @throws RemoteException change policy on remote display
*/
public void setSceneAntialiasingEnable(boolean flag) throws VisADException, RemoteException {
if (flag == anti_alias_flag) return;
anti_alias_flag = flag;
DisplayRendererJ3D displayRenderer = (DisplayRendererJ3D) getDisplayRenderer();
if (displayRenderer != null) {
displayRenderer.getView().setSceneAntialiasingEnable(anti_alias_flag);
}
changeControl(true);
getDisplay().reDisplayAll();
}
/**
* Set the line width used for LineAttributes. Calls changeControl and resets the display.
*
* @param width width to use (>= 1.0)
* @throws VisADException couldn't set the line width on local display
* @throws RemoteException couldn't set the line width on remote display
*/
public void setLineWidth(float width) throws VisADException, RemoteException {
if (width < 1.0f) width = 1.0f;
if (Util.isApproximatelyEqual(lineWidth, width)) return;
lineWidth = width;
// WLH 2 Dec 2002 in response to qomo2.txt
DisplayRendererJ3D dr = (DisplayRendererJ3D) getDisplayRenderer();
dr.setLineWidth(width);
changeControl(true);
getDisplay().reDisplayAll();
}
/**
* Sets the projection policy for the display. PARALLEL_PROJECTION will display a parallel view
* while PERSPECTIVE_PROJECTION will create a perspective view. The default is a perspective view.
*
* @param policy policy to be used (DisplayImplJ3D.PARALLEL_PROJECTION or
* DisplayImplJ3D.PERSPECTIVE_PROJECTION
* @throws VisADException bad policy or can't create the necessary VisAD object
* @throws RemoteException change policy on remote display
*/
public void setProjectionPolicy(int policy) throws VisADException, RemoteException {
if (policy == projectionPolicy) return;
if (policy == View.PARALLEL_PROJECTION || policy == View.PERSPECTIVE_PROJECTION) {
projectionPolicy = policy;
DisplayRendererJ3D displayRenderer = (DisplayRendererJ3D) getDisplayRenderer();
if (displayRenderer != null) {
displayRenderer.getView().setProjectionPolicy(projectionPolicy);
}
changeControl(true);
getDisplay().reDisplayAll();
} else {
throw new DisplayException("GraphicsModeControlJ3D." + "setProjectionPolicy: bad policy");
}
}
/**
* Copy the state of a remote control to this control
*
* @param rmt remote control to sync with this one
* @throws VisADException rmt == null or rmt is not a GraphicsModeControlJ3D or couldn't tell if
* control was changed.
*/
public void syncControl(Control rmt) throws VisADException {
if (rmt == null) {
throw new VisADException(
"Cannot synchronize " + getClass().getName() + " with null Control object");
}
if (!(rmt instanceof GraphicsModeControlJ3D)) {
throw new VisADException(
"Cannot synchronize " + getClass().getName() + " with " + rmt.getClass().getName());
}
GraphicsModeControlJ3D rmtCtl = (GraphicsModeControlJ3D) rmt;
boolean changed = false;
boolean redisplay = false;
if (!Util.isApproximatelyEqual(lineWidth, rmtCtl.lineWidth)) {
changed = true;
redisplay = true;
lineWidth = rmtCtl.lineWidth;
}
if (!Util.isApproximatelyEqual(pointSize, rmtCtl.pointSize)) {
changed = true;
redisplay = true;
pointSize = rmtCtl.pointSize;
}
if (pointMode != rmtCtl.pointMode) {
changed = true;
redisplay = true;
pointMode = rmtCtl.pointMode;
}
if (textureEnable != rmtCtl.textureEnable) {
changed = true;
redisplay = true;
textureEnable = rmtCtl.textureEnable;
}
if (scaleEnable != rmtCtl.scaleEnable) {
changed = true;
getDisplayRenderer().setScaleOn(scaleEnable);
scaleEnable = rmtCtl.scaleEnable;
}
if (transparencyMode != rmtCtl.transparencyMode) {
changed = true;
redisplay = true;
transparencyMode = rmtCtl.transparencyMode;
}
if (adjustProjectionSeam != rmtCtl.adjustProjectionSeam) {
changed = true;
redisplay = true;
adjustProjectionSeam = rmtCtl.adjustProjectionSeam;
}
if (texture3DMode != rmtCtl.texture3DMode) {
changed = true;
redisplay = true;
texture3DMode = rmtCtl.texture3DMode;
}
if (cacheAppearances != rmtCtl.cacheAppearances) {
changed = true;
cacheAppearances = rmtCtl.cacheAppearances;
}
if (mergeGeometries != rmtCtl.mergeGeometries) {
changed = true;
mergeGeometries = rmtCtl.mergeGeometries;
}
if (projectionPolicy != rmtCtl.projectionPolicy) {
changed = true;
redisplay = true;
projectionPolicy = rmtCtl.projectionPolicy;
DisplayRendererJ3D displayRenderer;
displayRenderer = (DisplayRendererJ3D) getDisplayRenderer();
if (displayRenderer != null) {
displayRenderer.getView().setProjectionPolicy(projectionPolicy);
}
}
if (polygonMode != rmtCtl.polygonMode) {
changed = true;
polygonMode = rmtCtl.polygonMode;
}
if (missingTransparent != rmtCtl.missingTransparent) {
changed = true;
missingTransparent = rmtCtl.missingTransparent;
}
if (curvedSize != rmtCtl.curvedSize) {
changed = true;
curvedSize = rmtCtl.curvedSize;
}
if (!Util.isApproximatelyEqual(polygonOffset, rmtCtl.polygonOffset)) {
changed = true;
polygonOffset = rmtCtl.polygonOffset;
}
if (!Util.isApproximatelyEqual(polygonOffsetFactor, rmtCtl.polygonOffsetFactor)) {
changed = true;
polygonOffsetFactor = rmtCtl.polygonOffsetFactor;
}
if (anti_alias_flag != rmtCtl.anti_alias_flag) {
changed = true;
anti_alias_flag = rmtCtl.anti_alias_flag;
}
if (colorMode != rmtCtl.colorMode) {
changed = true;
colorMode = rmtCtl.colorMode;
}
if (lineStyle != rmtCtl.lineStyle) {
changed = true;
lineStyle = rmtCtl.lineStyle;
}
if (changed) {
try {
changeControl(true);
} catch (RemoteException re) {
throw new VisADException(
"Could not indicate that control" + " changed: " + re.getMessage());
}
}
if (redisplay) {
getDisplay().reDisplayAll();
}
}
