biojs-vis-pdbviewer
Version:
A BioJS 2.0 component to view protein structures
143 lines (140 loc) • 5.09 kB
JavaScript
Clazz.declarePackage ("J.jvxl.readers");
Clazz.load (["J.jvxl.readers.AtomDataReader", "JU.BS"], "J.jvxl.readers.IsoIntersectReader", ["java.lang.Float"], function () {
c$ = Clazz.decorateAsClass (function () {
this.myBsA = null;
this.myBsB = null;
this.bsAtomMinMax = null;
this.func = null;
this.funcType = 0;
this.thisPlaneB = null;
this.values = null;
Clazz.instantialize (this, arguments);
}, J.jvxl.readers, "IsoIntersectReader", J.jvxl.readers.AtomDataReader);
Clazz.prepareFields (c$, function () {
this.myBsA = new JU.BS ();
this.myBsB = new JU.BS ();
this.bsAtomMinMax = new Array (2);
this.values = Clazz.newFloatArray (2, 0);
});
Clazz.makeConstructor (c$,
function () {
Clazz.superConstructor (this, J.jvxl.readers.IsoIntersectReader, []);
});
Clazz.overrideMethod (c$, "init",
function (sg) {
this.initADR (sg);
}, "J.jvxl.readers.SurfaceGenerator");
Clazz.overrideMethod (c$, "readVolumeParameters",
function (isMapData) {
this.setup (isMapData);
if (isMapData) return false;
this.initializeVolumetricData ();
this.volumeData.setUnitVectors ();
this.thisPlaneB = Clazz.newFloatArray (this.volumeData.getYzCount (), 0);
this.voxelSource = Clazz.newIntArray (this.volumeData.nPoints, 0);
this.vl0 = this.volumeData.volumetricVectorLengths[0];
this.vl1 = this.volumeData.volumetricVectorLengths[1];
this.vl2 = this.volumeData.volumetricVectorLengths[2];
this.getAtomMinMax (this.myBsA, this.bsAtomMinMax[0] = new Array (this.nPointsX));
this.getAtomMinMax (this.myBsB, this.bsAtomMinMax[1] = new Array (this.nPointsX));
return true;
}, "~B");
Clazz.overrideMethod (c$, "setup",
function (isMapData) {
this.setup2 ();
this.params.fullyLit = true;
this.point = this.params.point;
if (Clazz.instanceOf (this.params.func, String)) {
this.funcType = (this.params.func.equals ("a-b") ? 2 : this.params.func.equals ("a+b") ? 1 : 3);
} else if (this.params.func == null || this.atomDataServer == null) {
this.funcType = 2;
} else {
this.func = this.params.func;
}if (this.contactPair == null) {
var bsA = this.params.intersection[0];
var bsB = this.params.intersection[1];
var bsSelected = new JU.BS ();
bsSelected.or (bsA);
bsSelected.or (bsB);
this.doUseIterator = true;
this.getAtoms (bsSelected, this.doAddHydrogens, true, true, false, false, false, NaN);
for (var i = bsA.nextSetBit (0); i >= 0; i = bsA.nextSetBit (i + 1)) this.myBsA.set (this.myIndex[i]);
for (var i = bsB.nextSetBit (0); i >= 0; i = bsB.nextSetBit (i + 1)) this.myBsB.set (this.myIndex[i]);
this.setHeader ("VDW intersection surface", this.params.calculationType);
this.setRanges (this.params.solvent_ptsPerAngstrom, this.params.solvent_gridMax, 0);
this.margin = 5;
} else {
this.setVolumeData ();
}this.isProgressive = this.isXLowToHigh = true;
}, "~B");
Clazz.overrideMethod (c$, "getPlane",
function (x) {
if (this.yzCount == 0) {
this.initPlanes ();
}this.thisX = x;
this.thisPlane = this.yzPlanes[x % 2];
if (this.contactPair == null) {
this.thisAtomSet = this.bsAtomMinMax[0][x];
this.resetPlane (3.4028235E38);
this.markSphereVoxels (0, this.params.distance);
this.thisPlane = this.thisPlaneB;
this.thisAtomSet = this.bsAtomMinMax[1][x];
this.resetPlane (3.4028235E38);
this.markSphereVoxels (0, this.params.distance);
} else {
this.markPlaneVoxels (this.contactPair.myAtoms[0], this.contactPair.radii[0]);
this.thisPlane = this.thisPlaneB;
this.markPlaneVoxels (this.contactPair.myAtoms[1], this.contactPair.radii[1]);
}this.thisPlane = this.yzPlanes[x % 2];
if (!this.setVoxels ()) this.resetPlane (0);
if (this.contactPair == null) this.unsetVoxelData ();
return this.thisPlane;
}, "~N");
Clazz.defineMethod (c$, "setVoxels",
function () {
for (var i = 0; i < this.yzCount; i++) {
var va = this.thisPlane[i];
var vb = this.thisPlaneB[i];
var v = this.getValueAB (va, vb);
if (Float.isNaN (v)) return false;
this.thisPlane[i] = v;
}
return true;
});
Clazz.defineMethod (c$, "getValueAB",
function (va, vb) {
if (va == 3.4028235E38 || vb == 3.4028235E38 || Float.isNaN (va) || Float.isNaN (vb)) return 3.4028235E38;
switch (this.funcType) {
case 1:
return (va + vb);
case 2:
case 4:
return (va - vb);
case 3:
return (va > vb ? va : vb);
default:
this.values[0] = va;
this.values[1] = vb;
return this.atomDataServer.evalFunctionFloat (this.func[0], this.func[1], this.values);
}
}, "~N,~N");
Clazz.overrideMethod (c$, "getValueAtPoint",
function (pt, getSource) {
return this.getValueAB (this.getValueAtPoint2 (pt, this.myBsA), this.getValueAtPoint2 (pt, this.myBsB));
}, "JU.T3,~B");
Clazz.defineMethod (c$, "getValueAtPoint2",
function (pt, bs) {
var value = 3.4028235E38;
for (var iAtom = bs.nextSetBit (0); iAtom >= 0; iAtom = bs.nextSetBit (iAtom + 1)) {
var r = pt.distance (this.atomXyz[iAtom]) - this.atomRadius[iAtom];
if (r < value) value = r;
}
return (value == 3.4028235E38 ? NaN : value);
}, "JU.T3,JU.BS");
Clazz.defineStatics (c$,
"TYPE_FUNCTION", 0,
"TYPE_SUM", 1,
"TYPE_DIFF", 2,
"TYPE_MAX", 3,
"TYPE_DIFF_PAIR", 4);
});