biojs-vis-pdbviewer
Version:
A BioJS 2.0 component to view protein structures
310 lines (306 loc) • 13.3 kB
JavaScript
Clazz.declarePackage ("JS");
Clazz.load (["JU.SimpleUnitCell", "JU.P3", "JV.JC"], "JS.UnitCell", ["java.lang.Float", "JU.M4", "$.Quat", "$.T4", "$.V3", "J.api.Interface", "JU.BoxInfo", "$.Escape"], function () {
c$ = Clazz.decorateAsClass (function () {
this.vertices = null;
this.cartesianOffset = null;
this.fractionalOffset = null;
this.allFractionalRelative = false;
this.unitCellMultiplier = null;
this.moreInfo = null;
this.name = "";
Clazz.instantialize (this, arguments);
}, JS, "UnitCell", JU.SimpleUnitCell);
Clazz.prepareFields (c$, function () {
this.cartesianOffset = new JU.P3 ();
});
Clazz.makeConstructor (c$,
function () {
Clazz.superConstructor (this, JS.UnitCell, []);
});
c$.newP = Clazz.defineMethod (c$, "newP",
function (points, setRelative) {
var c = new JS.UnitCell ();
var parameters = [-1, 0, 0, 0, 0, 0, points[1].x, points[1].y, points[1].z, points[2].x, points[2].y, points[2].z, points[3].x, points[3].y, points[3].z];
c.init (parameters);
c.allFractionalRelative = setRelative;
c.initUnitcellVertices ();
c.setCartesianOffset (points[0]);
return c;
}, "~A,~B");
c$.newA = Clazz.defineMethod (c$, "newA",
function (notionalUnitcell, setRelative) {
var c = new JS.UnitCell ();
c.init (notionalUnitcell);
c.initUnitcellVertices ();
c.allFractionalRelative = setRelative;
return c;
}, "~A,~B");
Clazz.defineMethod (c$, "initOrientation",
function (mat) {
if (mat == null) return;
var m = new JU.M4 ();
m.setToM3 (mat);
this.matrixFractionalToCartesian.mul2 (m, this.matrixFractionalToCartesian);
this.matrixCartesianToFractional.invertM (this.matrixFractionalToCartesian);
this.initUnitcellVertices ();
}, "JU.M3");
Clazz.defineMethod (c$, "toUnitCell",
function (pt, offset) {
if (this.matrixCartesianToFractional == null) return;
if (offset == null) {
this.matrixCartesianToFractional.rotTrans (pt);
this.unitize (pt);
this.matrixFractionalToCartesian.rotTrans (pt);
} else {
this.matrixCtoFANoOffset.rotTrans (pt);
this.unitize (pt);
pt.add (offset);
this.matrixFtoCNoOffset.rotTrans (pt);
}}, "JU.P3,JU.P3");
Clazz.defineMethod (c$, "unitize",
function (pt) {
switch (this.dimension) {
case 3:
pt.z = JS.UnitCell.toFractionalX (pt.z);
case 2:
pt.y = JS.UnitCell.toFractionalX (pt.y);
case 1:
pt.x = JS.UnitCell.toFractionalX (pt.x);
}
}, "JU.P3");
Clazz.defineMethod (c$, "reset",
function () {
this.unitCellMultiplier = null;
this.setOffset (JU.P3.new3 (0, 0, 0));
});
Clazz.defineMethod (c$, "setOffset",
function (pt) {
if (pt == null) return;
var pt4 = (Clazz.instanceOf (pt, JU.T4) ? pt : null);
if (pt4 != null ? pt4.w <= 0 : pt.x >= 100 || pt.y >= 100) {
this.unitCellMultiplier = (pt.z == 0 && pt.x == pt.y ? null : JU.P3.newP (pt));
if (pt4 == null || pt4.w == 0) return;
}if (this.hasOffset () || pt.lengthSquared () > 0) {
this.fractionalOffset = new JU.P3 ();
this.fractionalOffset.setT (pt);
}this.matrixCartesianToFractional.m03 = -pt.x;
this.matrixCartesianToFractional.m13 = -pt.y;
this.matrixCartesianToFractional.m23 = -pt.z;
this.cartesianOffset.setT (pt);
this.matrixFractionalToCartesian.m03 = 0;
this.matrixFractionalToCartesian.m13 = 0;
this.matrixFractionalToCartesian.m23 = 0;
this.matrixFractionalToCartesian.rotTrans (this.cartesianOffset);
this.matrixFractionalToCartesian.m03 = this.cartesianOffset.x;
this.matrixFractionalToCartesian.m13 = this.cartesianOffset.y;
this.matrixFractionalToCartesian.m23 = this.cartesianOffset.z;
if (this.allFractionalRelative) {
this.matrixCtoFANoOffset.setM4 (this.matrixCartesianToFractional);
this.matrixFtoCNoOffset.setM4 (this.matrixFractionalToCartesian);
}}, "JU.T3");
Clazz.defineMethod (c$, "setCartesianOffset",
function (origin) {
this.cartesianOffset.setT (origin);
this.matrixFractionalToCartesian.m03 = this.cartesianOffset.x;
this.matrixFractionalToCartesian.m13 = this.cartesianOffset.y;
this.matrixFractionalToCartesian.m23 = this.cartesianOffset.z;
var wasOffset = this.hasOffset ();
this.fractionalOffset = new JU.P3 ();
this.fractionalOffset.setT (this.cartesianOffset);
this.matrixCartesianToFractional.m03 = 0;
this.matrixCartesianToFractional.m13 = 0;
this.matrixCartesianToFractional.m23 = 0;
this.matrixCartesianToFractional.rotTrans (this.fractionalOffset);
this.matrixCartesianToFractional.m03 = -this.fractionalOffset.x;
this.matrixCartesianToFractional.m13 = -this.fractionalOffset.y;
this.matrixCartesianToFractional.m23 = -this.fractionalOffset.z;
if (this.allFractionalRelative) {
this.matrixCtoFANoOffset.setM4 (this.matrixCartesianToFractional);
this.matrixFtoCNoOffset.setM4 (this.matrixFractionalToCartesian);
}if (!wasOffset && this.fractionalOffset.lengthSquared () == 0) this.fractionalOffset = null;
}, "JU.T3");
Clazz.defineMethod (c$, "setMinMaxLatticeParameters",
function (minXYZ, maxXYZ) {
if (maxXYZ.x <= maxXYZ.y && maxXYZ.y >= 555) {
var pt = new JU.P3 ();
JU.SimpleUnitCell.ijkToPoint3f (maxXYZ.x, pt, 0);
minXYZ.x = Clazz.floatToInt (pt.x);
minXYZ.y = Clazz.floatToInt (pt.y);
minXYZ.z = Clazz.floatToInt (pt.z);
JU.SimpleUnitCell.ijkToPoint3f (maxXYZ.y, pt, 1);
maxXYZ.x = Clazz.floatToInt (pt.x);
maxXYZ.y = Clazz.floatToInt (pt.y);
maxXYZ.z = Clazz.floatToInt (pt.z);
}switch (this.dimension) {
case 1:
minXYZ.y = 0;
maxXYZ.y = 1;
case 2:
minXYZ.z = 0;
maxXYZ.z = 1;
}
}, "JU.P3i,JU.P3i");
Clazz.defineMethod (c$, "dumpInfo",
function (isFull) {
return "a=" + this.a + ", b=" + this.b + ", c=" + this.c + ", alpha=" + this.alpha + ", beta=" + this.beta + ", gamma=" + this.gamma + "\n" + JU.Escape.eAP (this.getUnitCellVectors ()) + "\nvolume=" + this.volume + (isFull ? "\nfractional to cartesian: " + this.matrixFractionalToCartesian + "\ncartesian to fractional: " + this.matrixCartesianToFractional : "");
}, "~B");
Clazz.defineMethod (c$, "getVertices",
function () {
return this.vertices;
});
Clazz.defineMethod (c$, "getCartesianOffset",
function () {
return this.cartesianOffset;
});
Clazz.defineMethod (c$, "getFractionalOffset",
function () {
return this.fractionalOffset;
});
Clazz.defineMethod (c$, "getTensor",
function (parBorU) {
var t = (J.api.Interface.getUtil ("Tensor"));
if (parBorU[0] == 0 && parBorU[1] == 0 && parBorU[2] == 0) {
var f = parBorU[7];
var eigenValues = [f, f, f];
return t.setFromEigenVectors (JS.UnitCell.unitVectors, eigenValues, "iso", "Uiso=" + f, null);
}t.parBorU = parBorU;
var Bcart = Clazz.newDoubleArray (6, 0);
var ortepType = Clazz.floatToInt (parBorU[6]);
if (ortepType == 12) {
Bcart[0] = parBorU[0] * 19.739208802178716;
Bcart[1] = parBorU[1] * 19.739208802178716;
Bcart[2] = parBorU[2] * 19.739208802178716;
Bcart[3] = parBorU[3] * 19.739208802178716 * 2;
Bcart[4] = parBorU[4] * 19.739208802178716 * 2;
Bcart[5] = parBorU[5] * 19.739208802178716 * 2;
parBorU[7] = (parBorU[0] + parBorU[1] + parBorU[3]) / 3;
} else {
var isFractional = (ortepType == 4 || ortepType == 5 || ortepType == 8 || ortepType == 9);
var cc = 2 - (ortepType % 2);
var dd = (ortepType == 8 || ortepType == 9 || ortepType == 10 ? 19.739208802178716 : ortepType == 4 || ortepType == 5 ? 0.25 : ortepType == 2 || ortepType == 3 ? Math.log (2) : 1);
var B11 = parBorU[0] * dd * (isFractional ? this.a_ * this.a_ : 1);
var B22 = parBorU[1] * dd * (isFractional ? this.b_ * this.b_ : 1);
var B33 = parBorU[2] * dd * (isFractional ? this.c_ * this.c_ : 1);
var B12 = parBorU[3] * dd * (isFractional ? this.a_ * this.b_ : 1) * cc;
var B13 = parBorU[4] * dd * (isFractional ? this.a_ * this.c_ : 1) * cc;
var B23 = parBorU[5] * dd * (isFractional ? this.b_ * this.c_ : 1) * cc;
parBorU[7] = Math.pow (B11 / 19.739208802178716 / this.a_ / this.a_ * B22 / 19.739208802178716 / this.b_ / this.b_ * B33 / 19.739208802178716 / this.c_ / this.c_, 0.3333);
Bcart[0] = this.a * this.a * B11 + this.b * this.b * this.cosGamma * this.cosGamma * B22 + this.c * this.c * this.cosBeta * this.cosBeta * B33 + this.a * this.b * this.cosGamma * B12 + this.b * this.c * this.cosGamma * this.cosBeta * B23 + this.a * this.c * this.cosBeta * B13;
Bcart[1] = this.b * this.b * this.sinGamma * this.sinGamma * B22 + this.c * this.c * this.cA_ * this.cA_ * B33 + this.b * this.c * this.cA_ * this.sinGamma * B23;
Bcart[2] = this.c * this.c * this.cB_ * this.cB_ * B33;
Bcart[3] = 2 * this.b * this.b * this.cosGamma * this.sinGamma * B22 + 2 * this.c * this.c * this.cA_ * this.cosBeta * B33 + this.a * this.b * this.sinGamma * B12 + this.b * this.c * (this.cA_ * this.cosGamma + this.sinGamma * this.cosBeta) * B23 + this.a * this.c * this.cA_ * B13;
Bcart[4] = 2 * this.c * this.c * this.cB_ * this.cosBeta * B33 + this.b * this.c * this.cosGamma * B23 + this.a * this.c * this.cB_ * B13;
Bcart[5] = 2 * this.c * this.c * this.cA_ * this.cB_ * B33 + this.b * this.c * this.cB_ * this.sinGamma * B23;
}return t.setFromThermalEquation (Bcart, JU.Escape.eAF (parBorU));
}, "~A");
Clazz.defineMethod (c$, "getCanonicalCopy",
function (scale, withOffset) {
var pts = new Array (8);
var cell0 = null;
var cell1 = null;
if (withOffset && this.unitCellMultiplier != null) {
cell0 = new JU.P3 ();
cell1 = new JU.P3 ();
JU.SimpleUnitCell.ijkToPoint3f (Clazz.floatToInt (this.unitCellMultiplier.x), cell0, 0);
JU.SimpleUnitCell.ijkToPoint3f (Clazz.floatToInt (this.unitCellMultiplier.y), cell1, 0);
cell1.sub (cell0);
}for (var i = 0; i < 8; i++) {
var pt = pts[i] = JU.P3.newP (JU.BoxInfo.unitCubePoints[i]);
if (cell0 != null) {
scale *= (this.unitCellMultiplier.z == 0 ? 1 : this.unitCellMultiplier.z);
pts[i].add3 (cell0.x + cell1.x * pt.x, cell0.y + cell1.y * pt.y, cell0.z + cell1.z * pt.z);
}this.matrixFractionalToCartesian.rotTrans (pt);
if (!withOffset) pt.sub (this.cartesianOffset);
}
return JU.BoxInfo.getCanonicalCopy (pts, scale);
}, "~N,~B");
c$.toFractionalX = Clazz.defineMethod (c$, "toFractionalX",
function (x) {
x = (x - Math.floor (x));
if (x > 0.9999 || x < 0.0001) x = 0;
return x;
}, "~N");
Clazz.defineMethod (c$, "initUnitcellVertices",
function () {
if (this.matrixFractionalToCartesian == null) return;
this.matrixCtoFANoOffset = JU.M4.newM4 (this.matrixCartesianToFractional);
this.matrixFtoCNoOffset = JU.M4.newM4 (this.matrixFractionalToCartesian);
this.vertices = new Array (8);
for (var i = 8; --i >= 0; ) {
this.vertices[i] = new JU.P3 ();
this.matrixFractionalToCartesian.rotTrans2 (JU.BoxInfo.unitCubePoints[i], this.vertices[i]);
}
});
Clazz.defineMethod (c$, "checkDistance",
function (f1, f2, distance, dx, iRange, jRange, kRange, ptOffset) {
var p1 = JU.P3.newP (f1);
this.toCartesian (p1, true);
for (var i = -iRange; i <= iRange; i++) for (var j = -jRange; j <= jRange; j++) for (var k = -kRange; k <= kRange; k++) {
ptOffset.set (f2.x + i, f2.y + j, f2.z + k);
this.toCartesian (ptOffset, true);
var d = p1.distance (ptOffset);
if (dx > 0 ? Math.abs (d - distance) <= dx : d <= distance && d > 0.1) {
ptOffset.set (i, j, k);
return true;
}}
return false;
}, "JU.P3,JU.P3,~N,~N,~N,~N,~N,JU.P3");
Clazz.defineMethod (c$, "getUnitCellMultiplier",
function () {
return this.unitCellMultiplier;
});
Clazz.defineMethod (c$, "getUnitCellVectors",
function () {
var m = this.matrixFractionalToCartesian;
return [JU.V3.newV (this.cartesianOffset), JU.V3.new3 (this.fix (m.m00), this.fix (m.m10), this.fix (m.m20)), JU.V3.new3 (this.fix (m.m01), this.fix (m.m11), this.fix (m.m21)), JU.V3.new3 (this.fix (m.m02), this.fix (m.m12), this.fix (m.m22))];
});
Clazz.defineMethod (c$, "fix",
function (x) {
return (Math.abs (x) < 0.001 ? 0 : x);
}, "~N");
Clazz.defineMethod (c$, "isSameAs",
function (uc) {
if (uc.notionalUnitcell.length != this.notionalUnitcell.length) return false;
for (var i = this.notionalUnitcell.length; --i >= 0; ) if (this.notionalUnitcell[i] != uc.notionalUnitcell[i] && !(Float.isNaN (this.notionalUnitcell[i]) && Float.isNaN (uc.notionalUnitcell[i]))) return false;
return (this.fractionalOffset == null ? !uc.hasOffset () : uc.fractionalOffset == null ? !this.hasOffset () : this.fractionalOffset.distanceSquared (uc.fractionalOffset) == 0);
}, "JS.UnitCell");
Clazz.defineMethod (c$, "hasOffset",
function () {
return (this.fractionalOffset != null && this.fractionalOffset.lengthSquared () != 0);
});
Clazz.defineMethod (c$, "getState",
function () {
var s = "";
if (this.fractionalOffset != null && this.fractionalOffset.lengthSquared () != 0) s += " unitcell offset " + JU.Escape.eP (this.fractionalOffset) + ";\n";
if (this.unitCellMultiplier != null) s += " unitcell range " + JU.Escape.eP (this.unitCellMultiplier) + ";\n";
return s;
});
Clazz.defineMethod (c$, "getQuaternionRotation",
function (abc) {
var a = this.vertices[4];
var b = this.vertices[2];
var c = this.vertices[1];
var x = new JU.V3 ();
var v = new JU.V3 ();
switch ("abc".indexOf (abc)) {
case 0:
x.cross (a, c);
v.cross (x, a);
break;
case 1:
x.cross (b, a);
v.cross (x, b);
break;
case 2:
x.cross (c, b);
v.cross (x, c);
break;
default:
return null;
}
return JU.Quat.getQuaternionFrame (null, v, x).inv ();
}, "~S");
Clazz.defineStatics (c$,
"twoP2", 19.739208802178716);
c$.unitVectors = c$.prototype.unitVectors = [JV.JC.axisX, JV.JC.axisY, JV.JC.axisZ];
});