@Override
public void mouseWheelMoved(final MouseWheelEvent e) {
final double v = keyModfiedSpeed(e.getModifiersEx());
final int s = e.getWheelRotation();
p.setF(p.getF() * (1 - 0.05f * s * v));
update(false);
}
private static final void visualize(
final ImagePlus imp, final int w, final int h, final EquirectangularProjection p) {
try {
final double maxD = imp.getWidth() / 2;
final GeneralPath gp = new GeneralPath();
final double[] l = new double[] {0, 0};
p.applyInverseInPlace(l);
double x0 = l[0];
gp.moveTo(l[0], l[1]);
for (int x = 1; x < w; ++x) {
l[0] = x;
l[1] = 0;
p.applyInverseInPlace(l);
final double dx = l[0] - x0;
if (dx > maxD) {
gp.lineTo(l[0] - imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else if (dx < -maxD) {
gp.lineTo(l[0] + imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else gp.lineTo(l[0], l[1]);
x0 = l[0];
}
for (int y = 1; y < h; ++y) {
l[0] = w - 1;
l[1] = y;
p.applyInverseInPlace(l);
final double dx = l[0] - x0;
if (dx > maxD) {
gp.lineTo(l[0] - imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else if (dx < -maxD) {
gp.lineTo(l[0] + imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else gp.lineTo(l[0], l[1]);
x0 = l[0];
}
for (int x = w - 2; x >= 0; --x) {
l[0] = x;
l[1] = h - 1;
p.applyInverseInPlace(l);
final double dx = l[0] - x0;
if (dx > maxD) {
gp.lineTo(l[0] - imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else if (dx < -maxD) {
gp.lineTo(l[0] + imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else gp.lineTo(l[0], l[1]);
x0 = l[0];
}
for (int y = h - 2; y >= 0; --y) {
l[0] = 0;
l[1] = y;
p.applyInverseInPlace(l);
final double dx = l[0] - x0;
if (dx > maxD) {
gp.lineTo(l[0] - imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else if (dx < -maxD) {
gp.lineTo(l[0] + imp.getWidth(), l[1]);
gp.moveTo(l[0], l[1]);
} else gp.lineTo(l[0], l[1]);
x0 = l[0];
}
imp.getCanvas().setDisplayList(gp, Color.YELLOW, null);
imp.updateAndDraw();
} catch (final NoninvertibleModelException e) {
}
}
private final void renderCubeFaces(final double hfov, final double vfov) {
/* fragile, but that's not public API and we know what we're doing... */
final double cubeSize = frontSource.getWidth() - 1;
/* prepare extended image */
ipSource =
ip.createProcessor(
hfov == 2.0 * Math.PI ? imp.getWidth() + 1 : imp.getWidth(),
vfov == Math.PI ? imp.getHeight() + 1 : imp.getHeight());
prepareExtendedImage(imp.getProcessor(), ipSource);
/* render cube faces */
final EquirectangularProjection q = p.clone();
q.resetOrientation();
q.setTargetWidth(cubeSize);
q.setTargetHeight(cubeSize);
q.setF(0.5f);
final InverseTransformMapping<EquirectangularProjection> qMapping =
new InverseTransformMapping<EquirectangularProjection>(q);
IJ.showStatus("Rendering cube faces...");
IJ.showProgress(0, 6);
qMapping.mapInterpolated(ipSource, frontSource);
IJ.showProgress(1, 6);
q.pan(Math.PI);
qMapping.mapInterpolated(ipSource, backSource);
IJ.showProgress(2, 6);
q.resetOrientation();
q.pan(Math.PI / 2);
qMapping.mapInterpolated(ipSource, leftSource);
IJ.showProgress(3, 6);
q.resetOrientation();
q.pan(-Math.PI / 2);
qMapping.mapInterpolated(ipSource, rightSource);
IJ.showProgress(4, 6);
q.resetOrientation();
q.tilt(-Math.PI / 2);
qMapping.mapInterpolated(ipSource, topSource);
IJ.showProgress(5, 6);
q.resetOrientation();
q.tilt(Math.PI / 2);
qMapping.mapInterpolated(ipSource, bottomSource);
IJ.showProgress(6, 6);
if (showCubefaces) {
new ImagePlus("front", frontSource).show();
new ImagePlus("back", backSource).show();
new ImagePlus("left", leftSource).show();
new ImagePlus("right", rightSource).show();
new ImagePlus("top", topSource).show();
new ImagePlus("bottom", bottomSource).show();
}
}
@Override
public void keyPressed(final KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ESCAPE || e.getKeyCode() == KeyEvent.VK_ENTER) {
painter.interrupt();
imp.getCanvas().setDisplayList(null);
gui.restoreGui();
if (e.getKeyCode() == KeyEvent.VK_ESCAPE) gui.close();
} else if (e.getKeyCode() == KeyEvent.VK_SHIFT) {
dLambda *= 10;
dPhi *= 10;
} else if (e.getKeyCode() == KeyEvent.VK_CONTROL) {
dLambda /= 10;
dPhi /= 10;
} else {
final double v = keyModfiedSpeed(e.getModifiersEx());
if (e.getKeyCode() == KeyEvent.VK_LEFT) {
lambda -= v * step;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_RIGHT) {
lambda += v * step;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_UP) {
phi -= v * step;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_DOWN) {
phi += v * step;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_PLUS || e.getKeyCode() == KeyEvent.VK_EQUALS) {
p.setF(p.getF() * (1 + 0.1f * v));
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_MINUS) {
p.setF(p.getF() / (1 + 0.1f * v));
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_SPACE) {
renderCubeFaces(hfov, vfov);
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_I) {
painter.toggleInterpolation();
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_V) {
painter.toggleVisualization();
imp.getCanvas().setDisplayList(null);
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_A) {
naviMode = NaviMode.PAN_TILT;
dLambda = dPhi = 0;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_P) {
naviMode = NaviMode.PAN_ONLY;
dLambda = dPhi = 0;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_T) {
naviMode = NaviMode.TILT_ONLY;
dLambda = dPhi = 0;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_R) {
naviMode = NaviMode.ROLL_ONLY;
dLambda = dPhi = 0;
update(false);
} else if (e.getKeyCode() == KeyEvent.VK_F1) {
IJ.showMessage(
"Interactive Panorama Viewer",
"Mouse control:"
+ NL
+ " "
+ NL
+ "Pan and tilt the panorama by dragging the image in the canvas and"
+ NL
+ "zoom in and out using the mouse-wheel."
+ NL
+ " "
+ NL
+ "Key control:"
+ NL
+ " "
+ NL
+ "CURSOR LEFT - Pan left."
+ NL
+ "CURSOR RIGHT - Pan right."
+ NL
+ "CURSOR UP - Tilt up."
+ NL
+ "CURSOR DOWN - Tilt down."
+ NL
+ "SHIFT - Move 10x faster."
+ NL
+ "CTRL - Move browse 10x slower."
+ NL
+ "ENTER/ESC - Leave interactive mode."
+ NL
+ "I - Toggle interpolation."
+ NL
+ "V - Toggle FOV visualization."
+ NL
+ "R - Roll-mode (roll via mouse drag)."
+ NL
+ "P - Pan/Tilt-mode (pan/tilt via mouse drag).");
}
}
}
public final void run(
final ImagePlus imp,
final int width,
final int height,
final double minLambda,
final double minPhi,
final double hfov,
final double vfov) {
ip = imp.getProcessor().createProcessor(width, height);
final ImagePlus impViewer = new ImagePlus("Panorama View", ip);
/* initialize projection */
p.setMinLambda(minLambda);
p.setMinPhi(minPhi);
p.setLambdaPiScale(Math.PI / hfov * imp.getWidth());
p.setPhiPiScale(Math.PI / vfov * (imp.getHeight() - 1));
p.setTargetWidth(ip.getWidth());
p.setTargetHeight(ip.getHeight());
p.setF(0.5);
System.out.println(p.getLambdaPiScale() + " " + p.getPhiPiScale());
/* TODO calculate proper size */
// final int cubeSize = 500;
final int cubeSize =
(int) Math.round(Math.max(p.getPhiPiScale(), p.getLambdaPiScale()) * 2.0 / Math.PI);
frontSource = ip.createProcessor(cubeSize + 1, cubeSize + 1);
backSource = ip.createProcessor(cubeSize + 1, cubeSize + 1);
leftSource = ip.createProcessor(cubeSize + 1, cubeSize + 1);
rightSource = ip.createProcessor(cubeSize + 1, cubeSize + 1);
topSource = ip.createProcessor(cubeSize + 1, cubeSize + 1);
bottomSource = ip.createProcessor(cubeSize + 1, cubeSize + 1);
renderCubeFaces(hfov, vfov);
/* instantiate and run mapper and painter */
final Mapper mapper =
new CubeFaceMapper(
frontSource, backSource, leftSource, rightSource, topSource, bottomSource, p);
painter = new MappingThread(imp, impViewer, mapper, ip, p);
impViewer.show();
gui = new GUI(impViewer);
gui.backupGui();
gui.takeOverGui();
painter.start();
update(false);
}
