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FIX: edit->Add compass #285

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FIX: edit->Add compass #285

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4907cf2
FIX: edit->Add compass can:
xulman Sep 3, 2020
8fae164
CHG: overlay compass is a box
xulman Sep 11, 2020
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132 changes: 95 additions & 37 deletions src/main/java/sc/iview/commands/edit/AddOrientationCompass.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,19 +29,16 @@
package sc.iview.commands.edit;

import graphics.scenery.*;
import org.joml.Vector3f;
import org.joml.Matrix4f;
import org.joml.Quaternionf;
import org.joml.Vector2f;
import org.joml.Vector3f;
import org.scijava.command.Command;
import org.scijava.command.CommandService;
import org.scijava.plugin.Menu;
import org.scijava.plugin.Parameter;
import org.scijava.plugin.Plugin;
import sc.iview.SciView;
import sc.iview.node.Line3D;

import java.util.HashMap;
import java.lang.Math;

import static sc.iview.commands.MenuWeights.EDIT;
import static sc.iview.commands.MenuWeights.EDIT_ADD_COMPASS;
Expand All @@ -50,6 +47,7 @@
* Command to orientation compass (R,G,B cylinders oriented along X,Y,Z axes, respectively) to the scene
*
* @author Vladimir Ulman
* @author Kyle Harrington
*
*/
@Plugin(type = Command.class, menuRoot = "SciView", //
Expand All @@ -60,30 +58,39 @@ public class AddOrientationCompass implements Command {
@Parameter
private SciView sciView;

@Parameter
@Parameter(label = "Length of each bar:", stepSize = "0.1", min = "0")
private float axisLength = 0.1f;

@Parameter
private float AXESBARRADIUS = 0.001f;
@Parameter(label = "Thickness of each bar:", stepSize = "0.001", min = "0")
private float axisBarRadius = 0.001f;

@Parameter
//@Parameter -- waits until scijava can offer color-picker dialog
private Vector3f xColor = new Vector3f(1f,0f,0f);
//NB: RGB colors ~ XYZ axes

@Parameter
//@Parameter
private Vector3f yColor = new Vector3f(0f,1f,0f);

@Parameter
//@Parameter
private Vector3f zColor = new Vector3f(0f,0f,1f);

@Parameter(label = "Show in overlay in top-left corner:")
boolean attachToCam = true;

@Parameter(label = "Show as controllable node in the scene:")
boolean showInTheScene = false;


private Node makeAxis( float axisLength, float angleX, float angleY, float angleZ, Vector3f color ) {
Cylinder axisNode = new Cylinder(AXESBARRADIUS, axisLength,4);
axisNode.setName("compass axis: X");
Cylinder axisNode = new Cylinder(axisBarRadius, axisLength,4);
axisNode.setName("compass bar");
axisNode.setRotation( new Quaternionf().rotateXYZ( angleX, angleY, angleZ ) );
axisNode.getMaterial().getDiffuse().set(color);
axisNode.getMaterial().setDepthTest(Material.DepthTest.Always);
axisNode.getMaterial().getBlending().setTransparent(true);

Icosphere axisCap = new Icosphere(AXESBARRADIUS, 2);
Icosphere axisCap = new Icosphere(axisBarRadius, 2);
axisCap.setName("cap of the bar");
axisCap.setPosition(new Vector3f(0, axisLength, 0));
axisCap.getMaterial().getDiffuse().set(color);
axisCap.getMaterial().setDepthTest(Material.DepthTest.Always);
Expand All @@ -93,47 +100,98 @@ private Node makeAxis( float axisLength, float angleX, float angleY, float angle
return axisNode;
}

@Override
public void run() {
private Node createCompass() {
final Node root = new Node("Scene orientation compass");

//NB: RGB colors ~ XYZ axes
//x axis:
Node axisNode = makeAxis( axisLength, 0,0,(float)(-0.5*Math.PI), xColor );
axisNode.setName("compass axis: X");
root.addChild( axisNode );

//y axis:
axisNode = makeAxis( axisLength, 0,0, 0, yColor );

axisNode.setName("compass axis: Y");
root.addChild( axisNode );

//z axis:
axisNode = makeAxis( axisLength, (float)(0.5*Math.PI),0,0, zColor );
axisNode.setName("compass axis: Z");
root.addChild( axisNode );

sciView.addNode( root );

sciView.getCamera().addChild(root);

root.getUpdate().add(() -> {
final Camera cam = sciView.getCamera();
root.setPosition(cam.viewportToView(new Vector2f(-0.9f, 0.7f)));
root.setRotation(new Quaternionf(sciView.getCamera().getRotation()).conjugate());
return null;
});

return root;
}

public static void main(String... args) throws Exception {
SciView sv = SciView.create();

CommandService command = sv.getScijavaContext().getService(CommandService.class);

HashMap<String, Object> argmap = new HashMap<>();
private Node createBox() {
final Node root = new Node("Scene representing box");

// X - red edges
final float halfPI = (float)(0.5*Math.PI);
final float edgeLen = 0.05f;
final float edgeRadius = 0.0008f;
for (int i = 0; i < 4; ++i)
{
final Node n = new Cylinder(edgeRadius,edgeLen,4);
n.getPosition().set( -0.5f * edgeLen );
n.getPosition().add( new Vector3f(0, i%2 *edgeLen, i < 2 ? 0 : edgeLen) );
n.setRotation( new Quaternionf().rotateXYZ(0,0,-halfPI).normalize() );
n.setName("box edge: X");
n.getMaterial().getDiffuse().set( new Vector3f(1,0,0) );
n.getMaterial().setDepthTest(Material.DepthTest.Always);
//n.getMaterial().getBlending().setTransparent(true);
root.addChild( n );
}

// Y - green edges
for (int i = 0; i < 4; ++i)
{
final Node n = new Cylinder(edgeRadius,edgeLen,4);
n.getPosition().set( -0.5f * edgeLen );
n.getPosition().add( new Vector3f(i%2 *edgeLen, 0, i < 2 ? 0 : edgeLen) );
n.setName("box edge: Y");
n.getMaterial().getDiffuse().set( new Vector3f(0,1,0) );
n.getMaterial().setDepthTest(Material.DepthTest.Always);
//n.getMaterial().getBlending().setTransparent(true);
root.addChild( n );
}

// Z - blue edges
for (int i = 0; i < 4; ++i)
{
final Node n = new Cylinder(edgeRadius,edgeLen,4);
n.getPosition().set( -0.5f * edgeLen );
n.getPosition().add( new Vector3f(i%2 *edgeLen, i < 2 ? 0 : edgeLen, 0) );
n.setRotation( new Quaternionf().rotateXYZ(halfPI,0,0).normalize() );
n.setName("box edge: Z");
n.getMaterial().getDiffuse().set( new Vector3f(0,0,1) );
n.getMaterial().setDepthTest(Material.DepthTest.Always);
//n.getMaterial().getBlending().setTransparent(true);
root.addChild( n );
}

return root;
}

command.run(AddOrientationCompass.class, true, argmap);
@Override
public void run() {
if (showInTheScene) sciView.addNode( createCompass() );
if (attachToCam) {
final Node compass = createBox();
sciView.getCamera().addChild( compass );
compass.setWantsComposeModel(false);

final float xStretch = sciView.getCamera().getProjection().m00();
final float yStretch = sciView.getCamera().getProjection().m11();
//
final Matrix4f positionDaBox = new Matrix4f();
positionDaBox.set(1,0,0,0, //1st col
0,1,0,0, //2nd col
0,0,1,0,
-0.9f/xStretch,+0.85f/yStretch,-1.0f,1);

compass.getUpdate().add(() -> {
sciView.getCamera().getRotation().get( compass.getModel() );
compass.getModel().mulLocal( positionDaBox );
return null;
});
}
}
}