Commit b2381402 authored by Oleg Dzhimiev's avatar Oleg Dzhimiev

both ellipses to the same scale

parent 1594de3f
......@@ -28,7 +28,8 @@ function x3dom_delta_markers(){
// E2: draw vertical ellipsoid
// just a coefficient
var e2_k = 1/2;
//var e2_k = 1/2;
var e2_k = 1;
var e2_abc = [e2_k*1,e2_k*30,e2_k*1];
//var e2_scale = e2_abc.join(",");
//x3dom_draw_ellipsoid("e2","green",e2_c.toString(),"",e2_scale);
......@@ -38,7 +39,7 @@ function x3dom_delta_markers(){
Ox: new x3dom.fields.SFVec3f(e2_abc[0], 0, 0),
Oy: new x3dom.fields.SFVec3f( 0, e2_abc[1], 0),
Oz: new x3dom.fields.SFVec3f( 0, 0, e2_abc[2])
},0.0);
},transparency=0.5);
var RE2 = x3dom.fields.SFMatrix4f.identity();
//RE2.setValue(xa,ya,za);
......@@ -61,6 +62,9 @@ function x3dom_delta_markers(){
//x3dom_draw_line("test4","royalblue", e2_c.add(za.multiply(e2_abc[2])), new x3dom.fields.SFVec3f(0,0,100));
$("#helper_line0").remove();
$("#helper_line1").remove();
// e1 direction
x3dom_draw_line("helper_line0","white", e1_c, new x3dom.fields.SFVec3f(0,0,0));
// e1 direction from e2_c
......@@ -70,7 +74,8 @@ function x3dom_delta_markers(){
// E1: draw tilted ellipsoid
var e1_d = x3dom_3d_distance(e1_c.x,e1_c.y,e1_c.z,false);
var e1_k = 20;
//var e1_k = 20;
var e1_k = 1;
var e1_abc = [e1_k*0.00038*e1_d,e1_k*0.00038*e1_d,2*e1_k*e1_d*e1_d/10000];
console.log("e1 abc: "+e1_abc.join(" "));
......@@ -83,16 +88,6 @@ function x3dom_delta_markers(){
var ya = xa.cross(e1_dir);
var za = e1_dir.negate();
// need to normalize?
/*
xa = xa.normalize();
ya = ya.normalize();
za = za.normalize();
*/
var R0 = Data.camera.Matrices.R0;
var R0i = R0.inverse();
// next construct rotation matrix
var RE1 = x3dom.fields.SFMatrix4f.identity();
RE1.setValue(xa,ya,za);
......@@ -104,7 +99,7 @@ function x3dom_delta_markers(){
Ox: xa.multiply(e1_abc[0]),
Oy: ya.multiply(e1_abc[1]),
Oz: za.multiply(e1_abc[2])
},0.0);
},transparency=0.0);
// now let's get to covariance matrix
var JE1 = x3dom_ellipsoid_inertia_tensor_v2(1,e1_abc[0],e1_abc[1],e1_abc[2]);
......@@ -117,6 +112,7 @@ function x3dom_delta_markers(){
var C2 = RE2xJE2.mult(RE2xJE2.transpose());
var C = C1.add(C2);
//var C = C1.add(C1);
Cn = matrix_x3dom_to_numeric(C);
Bn = numeric.eig(Cn);
......@@ -143,7 +139,7 @@ function x3dom_delta_markers(){
Ox: RE1n.e0().multiply(ee_a),
Oy: RE1n.e1().multiply(ee_b),
Oz: RE1n.e2().multiply(ee_c)
},0.5);
},transparency=0.5);
return 0;
......@@ -180,10 +176,14 @@ function x3dom_draw_ellipsoid_by_semiaxes_and_center(id,color,e,transparency=0.5
var q = rotation.toAxisAngle();
var q_str = q[0].toString()+" "+q[1];
$("#"+id+"_xa").remove();
$("#"+id+"_ya").remove();
$("#"+id+"_za").remove();
// draw semi-axes
x3dom_draw_line("xa","red", e.O, e.O.add(e.Ox));
x3dom_draw_line("ya","green", e.O, e.O.add(e.Oy));
x3dom_draw_line("za","blue", e.O, e.O.add(e.Oz));
x3dom_draw_line(id+"_xa","red", e.O, e.O.add(e.Ox));
x3dom_draw_line(id+"_ya","green", e.O, e.O.add(e.Oy));
x3dom_draw_line(id+"_za","blue", e.O, e.O.add(e.Oz));
x3dom_draw_ellipsoid(id,color,transl,q_str,scale,transparency);
......
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