Module format back to commonjs. Major JSROOT update

build.gradle.kts

@@ -106,7 +106,7 @@ subprojects {
                             metaInfo = true
                             sourceMap = true
                             sourceMapEmbedSources = "always"
-                            moduleKind = "umd"
+                            moduleKind = "commonjs"
                         }
                     }
                 }

dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/jsroot/JSRoot.kt

@@ -1,4 +1,4 @@
-@file:JsModule("JSRootCore.js")
+@file:JsModule("JSRootUtils")
 @file:JsNonModule
 
 package hep.dataforge.vis.spatial.jsroot

dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/jsroot/JSRootDemoApp.kt

@@ -19,8 +19,6 @@ class JSRootDemoApp : ApplicationBase() {
     override val stateKeys: List<String> = emptyList()
 
     override fun start(state: Map<String, Any>) {
-//        require("JSRootGeoBase.js")
-//        require("JSRootCore.js")
 
 
         //TODO remove after DI fix

dataforge-vis-spatial-js/src/main/kotlin/hep/dataforge/vis/spatial/jsroot/JSRootGEO.kt

@@ -1,4 +1,4 @@
-@file:JsModule("JSRootGeoBase.js")
+@file:JsModule("JSRootGeoBase")
 @file:JsNonModule
 
 package hep.dataforge.vis.spatial.jsroot

dataforge-vis-spatial-js/src/main/resources/JSRootUtils.js

@@ -0,0 +1,761 @@
+
+/** Generate mask for given bit
+ *
+ * @param {number} n bit number
+ * @returns {Number} produced make
+ * @private */
+export function BIT(n) {
+    return 1 << (n);
+}
+
+/** Wrapper for console.log, let redirect output to specified div element
+ * @private */
+function console(value, divid) {
+    if ((typeof divid == 'string') && document.getElementById(divid))
+        document.getElementById(divid).innerHTML = value;
+    else if ((typeof console != 'undefined') && (typeof console.log == 'function'))
+        console.log(value);
+}
+
+
+/** @summary Wrapper for alert, throws Error in Node.js
+ * @private */
+export function alert(msg) {
+    if (this.nodeis) throw new Error(msg);
+    if (typeof alert === 'function') alert(msg);
+    else console('ALERT: ' + msg);
+}
+
+/**
+ * @summary Seed simple random generator
+ *
+ * @private
+ * @param {number} i seed value
+ */
+export function seed(i) {
+    i = Math.abs(i);
+    if (i > 1e8) i = Math.abs(1e8 * Math.sin(i)); else if (i < 1) i *= 1e8;
+    this.m_w = Math.round(i);
+    this.m_z = 987654321;
+}
+
+/**
+ * @summary Simple random generator
+ *
+ * @desc Works like Math.random(), but with configurable seed - see {@link JSROOT.seed}
+ * @private
+ * @returns {number} random value between 0 (inclusive) and 1.0 (exclusive)
+ */
+export function random() {
+    if (this.m_z === undefined) return Math.random();
+    this.m_z = (36969 * (this.m_z & 65535) + (this.m_z >> 16)) & 0xffffffff;
+    this.m_w = (18000 * (this.m_w & 65535) + (this.m_w >> 16)) & 0xffffffff;
+    var result = ((this.m_z << 16) + this.m_w) & 0xffffffff;
+    result /= 4294967296;
+    return result + 0.5;
+}
+
+
+/** @summary Should be used to reintroduce objects references, produced by TBufferJSON.
+ *
+ * @desc Replace all references inside object, object should not be null
+ * Idea of the code taken from JSON-R code, found on
+ * https://github.com/graniteds/jsonr
+ * Only unref part was used, arrays are not accounted as objects
+ * @param {object} obj  object where references will be replaced
+ * @returns {object} same object with replaced references
+ * @private */
+function JSONR_unref(obj) {
+
+    var map = [], newfmt = undefined;
+
+    function unref_value(value) {
+        if ((value === null) || (value === undefined)) return;
+
+        if (typeof value === 'string') {
+            if (newfmt || (value.length < 6) || (value.indexOf("$ref:") !== 0)) return;
+            let ref = parseInt(value.substr(5));
+            if (isNaN(ref) || (ref < 0) || (ref >= map.length)) return;
+            newfmt = false;
+            return map[ref];
+        }
+
+        if (typeof value !== 'object') return;
+
+        var i, k, res, proto = Object.prototype.toString.apply(value);
+
+        // scan array - it can contain other objects
+        if ((proto.indexOf('[object') === 0) && (proto.indexOf('Array]') > 0)) {
+            for (i = 0; i < value.length; ++i) {
+                res = unref_value(value[i]);
+                if (res !== undefined) value[i] = res;
+            }
+            return;
+        }
+
+        var ks = Object.keys(value), len = ks.length;
+
+        if ((newfmt !== false) && (len === 1) && (ks[0] === '$ref')) {
+            var ref = parseInt(value['$ref']);
+            if (isNaN(ref) || (ref < 0) || (ref >= map.length)) return;
+            newfmt = true;
+            return map[ref];
+        }
+
+        if ((newfmt !== false) && (len > 1) && (ks[0] === '$arr') && (ks[1] === 'len')) {
+            // this is ROOT-coded array
+            var arr = null, dflt = (value.$arr === "Bool") ? false : 0;
+            switch (value.$arr) {
+                case "Int8" :
+                    arr = new Int8Array(value.len);
+                    break;
+                case "Uint8" :
+                    arr = new Uint8Array(value.len);
+                    break;
+                case "Int16" :
+                    arr = new Int16Array(value.len);
+                    break;
+                case "Uint16" :
+                    arr = new Uint16Array(value.len);
+                    break;
+                case "Int32" :
+                    arr = new Int32Array(value.len);
+                    break;
+                case "Uint32" :
+                    arr = new Uint32Array(value.len);
+                    break;
+                case "Float32" :
+                    arr = new Float32Array(value.len);
+                    break;
+                case "Int64" :
+                case "Uint64" :
+                case "Float64" :
+                    arr = new Float64Array(value.len);
+                    break;
+                default :
+                    arr = new Array(value.len);
+                    break;
+            }
+            for (var k = 0; k < value.len; ++k) arr[k] = dflt;
+
+            var nkey = 2, p = 0;
+            while (nkey < len) {
+                if (ks[nkey][0] === "p") p = value[ks[nkey++]]; // position
+                if (ks[nkey][0] !== 'v') throw new Error('Unexpected member ' + ks[nkey] + ' in array decoding');
+                var v = value[ks[nkey++]]; // value
+                if (typeof v === 'object') {
+                    for (var k = 0; k < v.length; ++k) arr[p++] = v[k];
+                } else {
+                    arr[p++] = v;
+                    if ((nkey < len) && (ks[nkey][0] === 'n')) {
+                        var cnt = value[ks[nkey++]]; // counter
+                        while (--cnt) arr[p++] = v;
+                    }
+                }
+            }
+
+            return arr;
+        }
+
+        if ((newfmt !== false) && (len === 3) && (ks[0] === '$pair') && (ks[1] === 'first') && (ks[2] === 'second')) {
+            newfmt = true;
+            var f1 = unref_value(value.first),
+                s1 = unref_value(value.second);
+            if (f1 !== undefined) value.first = f1;
+            if (s1 !== undefined) value.second = s1;
+            value._typename = value['$pair'];
+            delete value['$pair'];
+            return; // pair object is not counted in the objects map
+        }
+
+        // debug code, can be commented out later
+        if (map.indexOf(value) >= 0) {
+            console('should never happen - object already in the map');
+            return;
+        }
+
+        // add object to object map
+        map.push(value);
+
+        // add methods to all objects, where _typename is specified
+        //if ('_typename' in value) JSROOT.addMethods(value);
+
+        for (k = 0; k < len; ++k) {
+            i = ks[k];
+            res = unref_value(value[i]);
+            if (res !== undefined) value[i] = res;
+        }
+    }
+
+    unref_value(obj);
+
+    return obj;
+}
+
+
+/** @summary Just copies (not clone) all fields from source to the target object
+ * @desc This is simple replacement of jQuery.extend method
+ * @private */
+function extend(tgt, src) {
+    if ((src === null) || (typeof src !== 'object')) return tgt;
+    if ((tgt === null) || (typeof tgt !== 'object')) tgt = {};
+
+    for (var k in src)
+        tgt[k] = src[k];
+
+    return tgt;
+}
+
+
+/**
+ * @summary Parse JSON code produced with TBufferJSON.
+ *
+ * @param {string} json string to parse
+ * @return {object|null} returns parsed object
+ */
+export function parse(json) {
+    if (!json) return null;
+    let obj = JSON.parse(json);
+    if (obj) obj = JSONR_unref(obj);
+    return obj;
+}
+
+
+/**
+ * @summary Parse multi.json request results
+ * @desc Method should be used to parse JSON code, produced by multi.json request of THttpServer
+ *
+ * @param {string} json string to parse
+ * @return {Array|null} returns array of parsed elements
+ */
+export function parse_multi(json) {
+    if (!json) return null;
+    let arr = JSON.parse(json);
+    if (arr && arr.length)
+        for (let i = 0; i < arr.length; ++i)
+            arr[i] = JSONR_unref(arr[i]);
+    return arr;
+}
+
+/**
+ * @summary Method converts JavaScript object into ROOT-like JSON
+ *
+ * @desc Produced JSON can be used in JSROOT.parse() again
+ * When performed properly, JSON can be used in TBufferJSON to read data back with C++
+ */
+export function toJSON(obj) {
+    if (!obj || typeof obj !== 'object') return "";
+
+    var map = []; // map of stored objects
+
+    function copy_value(value) {
+        if (typeof value === "function") return undefined;
+
+        if ((value === undefined) || (value === null) || (typeof value !== 'object')) return value;
+
+        var proto = Object.prototype.toString.apply(value);
+
+        // typed array need to be converted into normal array, otherwise looks strange
+        if ((proto.indexOf('[object ') === 0) && (proto.indexOf('Array]') === proto.length - 6)) {
+            var arr = new Array(value.length);
+            for (var i = 0; i < value.length; ++i)
+                arr[i] = copy_value(value[i]);
+            return arr;
+        }
+
+        // this is how reference is code
+        var refid = map.indexOf(value);
+        if (refid >= 0) return {$ref: refid};
+
+        var ks = Object.keys(value), len = ks.length, tgt = {};
+
+        if ((len === 3) && (ks[0] === '$pair') && (ks[1] === 'first') && (ks[2] === 'second')) {
+            // special handling of pair objects which does not included into objects map
+            tgt.$pair = value.$pair;
+            tgt.first = copy_value(value.first);
+            tgt.second = copy_value(value.second);
+            return tgt;
+        }
+
+        map.push(value);
+
+        for (var k = 0; k < len; ++k) {
+            var name = ks[k];
+            tgt[name] = copy_value(value[name]);
+        }
+
+        return tgt;
+    }
+
+    var tgt = copy_value(obj);
+
+    return JSON.stringify(tgt);
+}
+
+
+/**
+ * @summary Parse string value as array.
+ *
+ * @desc It could be just simple string:  "value" or
+ * array with or without string quotes:  [element], ['elem1',elem2]
+ *
+ * @private
+ */
+function ParseAsArray(val) {
+
+    var res = [];
+
+    if (typeof val != 'string') return res;
+
+    val = val.trim();
+    if (val === "") return res;
+
+    // return as array with single element
+    if ((val.length < 2) || (val[0] !== '[') || (val[val.length - 1] !== ']')) {
+        res.push(val);
+        return res;
+    }
+
+    // try to split ourself, checking quotes and brackets
+    var nbr = 0, nquotes = 0, ndouble = 0, last = 1;
+
+    for (var indx = 1; indx < val.length; ++indx) {
+        if (nquotes > 0) {
+            if (val[indx] === "'") nquotes--;
+            continue;
+        }
+        if (ndouble > 0) {
+            if (val[indx] === '"') ndouble--;
+            continue;
+        }
+        switch (val[indx]) {
+            case "'":
+                nquotes++;
+                break;
+            case '"':
+                ndouble++;
+                break;
+            case "[":
+                nbr++;
+                break;
+            case "]":
+                if (indx < val.length - 1) {
+                    nbr--;
+                    break;
+                }
+            case ",":
+                if (nbr === 0) {
+                    var sub = val.substring(last, indx).trim();
+                    if ((sub.length > 1) && (sub[0] === sub[sub.length - 1]) && ((sub[0] === '"') || (sub[0] === "'")))
+                        sub = sub.substr(1, sub.length - 2);
+                    res.push(sub);
+                    last = indx + 1;
+                }
+                break;
+        }
+    }
+
+    if (res.length === 0)
+        res.push(val.substr(1, val.length - 2).trim());
+
+    return res;
+}
+
+/**
+ * @summary Find function with given name.
+ *
+ * @desc Function name may include several namespaces like 'JSROOT.Painter.drawFrame'
+ *
+ * @private
+ */
+function findFunction(name) {
+    if (typeof name === 'function') return name;
+    if (typeof name !== 'string') return null;
+    var names = name.split('.'), elem = null;
+    if (typeof window === 'object') elem = window;
+    if (names[0] === 'JSROOT') {
+        elem = this;
+        names.shift();
+    }
+
+    for (var n = 0; elem && (n < names.length); ++n)
+        elem = elem[names[n]];
+
+    return (typeof elem == 'function') ? elem : null;
+}
+
+/**
+ * @summary Generic method to invoke callback function.
+ *
+ * @param {object|function} func either normal function or container like
+ * { obj: object_pointer, func: name of method to call }
+ * @param arg1 first optional argument of callback
+ * @param arg2 second optional argument of callback
+ *
+ * @private
+ */
+function callBack(func, arg1, arg2) {
+
+    if (typeof func == 'string') func = findFunction(func);
+
+    if (!func) return;
+
+    if (typeof func == 'function') return func(arg1, arg2);
+
+    if (typeof func != 'object') return;
+
+    if (('obj' in func) && ('func' in func) &&
+        (typeof func.obj == 'object') && (typeof func.func == 'string') &&
+        (typeof func.obj[func.func] == 'function')) {
+        return func.obj[func.func](arg1, arg2);
+    }
+}
+
+let methodsCache = {}; // variable used to keep methods for known classes
+
+
+/** @summary Returns methods for given typename
+ * @private
+ */
+function getMethods(typename, obj) {
+
+    var m = methodsCache[typename],
+        has_methods = (m !== undefined);
+
+    if (!has_methods) m = {};
+
+    // Due to binary I/O such TObject methods may not be set for derived classes
+    // Therefore when methods requested for given object, check also that basic methods are there
+    if ((typename === "TObject") || (typename === "TNamed") || (obj && (obj.fBits !== undefined)))
+        if (m.TestBit === undefined) {
+            m.TestBit = function (f) {
+                return (this.fBits & f) !== 0;
+            };
+            m.InvertBit = function (f) {
+                this.fBits = this.fBits ^ (f & 0xffffff);
+            };
+        }
+
+    if (has_methods) return m;
+
+    if ((typename === 'TList') || (typename === 'THashList')) {
+        m.Clear = function () {
+            this.arr = [];
+            this.opt = [];
+        };
+        m.Add = function (obj, opt) {
+            this.arr.push(obj);
+            this.opt.push((opt && typeof opt == 'string') ? opt : "");
+        };
+        m.AddFirst = function (obj, opt) {
+            this.arr.unshift(obj);
+            this.opt.unshift((opt && typeof opt == 'string') ? opt : "");
+        };
+        m.RemoveAt = function (indx) {
+            this.arr.splice(indx, 1);
+            this.opt.splice(indx, 1);
+        }
+    }
+
+    // if ((typename === "TPaveText") || (typename === "TPaveStats")) {
+    //     m.AddText = function (txt) {
+    //         // this.fLines.Add({ _typename: 'TLatex', fTitle: txt, fTextColor: 1 });
+    //         var line = JSROOT.Create("TLatex");
+    //         line.fTitle = txt;
+    //         this.fLines.Add(line);
+    //     };
+    //     m.Clear = function () {
+    //         this.fLines.Clear();
+    //     }
+    // }
+    //
+    // if ((typename.indexOf("TF1") === 0) || (typename === "TF2")) {
+    //     m.addFormula = function (obj) {
+    //         if (!obj) return;
+    //         if (this.formulas === undefined) this.formulas = [];
+    //         this.formulas.push(obj);
+    //     };
+    //
+    //     m.evalPar = function (x, y) {
+    //         if (!('_func' in this) || (this._title !== this.fTitle)) {
+    //
+    //             var _func = this.fTitle, isformula = false, pprefix = "[";
+    //             if (_func === "gaus") _func = "gaus(0)";
+    //             if (this.fFormula && typeof this.fFormula.fFormula == "string") {
+    //                 if (this.fFormula.fFormula.indexOf("[](double*x,double*p)") === 0) {
+    //                     isformula = true;
+    //                     pprefix = "p[";
+    //                     _func = this.fFormula.fFormula.substr(21);
+    //                 } else {
+    //                     _func = this.fFormula.fFormula;
+    //                     pprefix = "[p";
+    //                 }
+    //                 if (this.fFormula.fClingParameters && this.fFormula.fParams) {
+    //                     for (var i = 0; i < this.fFormula.fParams.length; ++i) {
+    //                         var regex = new RegExp('(\\[' + this.fFormula.fParams[i].first + '\\])', 'g'),
+    //                             parvalue = this.fFormula.fClingParameters[this.fFormula.fParams[i].second];
+    //                         _func = _func.replace(regex, (parvalue < 0) ? "(" + parvalue + ")" : parvalue);
+    //                     }
+    //                 }
+    //             }
+    //
+    //             if ('formulas' in this)
+    //                 for (var i = 0; i < this.formulas.length; ++i)
+    //                     while (_func.indexOf(this.formulas[i].fName) >= 0)
+    //                         _func = _func.replace(this.formulas[i].fName, this.formulas[i].fTitle);
+    //             _func = _func.replace(/\b(abs)\b/g, 'TMath::Abs')
+    //                 .replace(/TMath::Exp\(/g, 'Math.exp(')
+    //                 .replace(/TMath::Abs\(/g, 'Math.abs(');
+    //             if (typeof JSROOT.Math == 'object') {
+    //                 this._math = JSROOT.Math;
+    //                 _func = _func.replace(/TMath::Prob\(/g, 'this._math.Prob(')
+    //                     .replace(/TMath::Gaus\(/g, 'this._math.Gaus(')
+    //                     .replace(/TMath::BreitWigner\(/g, 'this._math.BreitWigner(')
+    //                     .replace(/xygaus\(/g, 'this._math.gausxy(this, x, y, ')
+    //                     .replace(/gaus\(/g, 'this._math.gaus(this, x, ')
+    //                     .replace(/gausn\(/g, 'this._math.gausn(this, x, ')
+    //                     .replace(/expo\(/g, 'this._math.expo(this, x, ')
+    //                     .replace(/landau\(/g, 'this._math.landau(this, x, ')
+    //                     .replace(/landaun\(/g, 'this._math.landaun(this, x, ')
+    //                     .replace(/ROOT::Math::/g, 'this._math.');
+    //             }
+    //             for (var i = 0; i < this.fNpar; ++i) {
+    //                 var parname = pprefix + i + "]";
+    //                 while (_func.indexOf(parname) !== -1)
+    //                     _func = _func.replace(parname, '(' + this.GetParValue(i) + ')');
+    //             }
+    //             _func = _func.replace(/\b(sin)\b/gi, 'Math.sin')
+    //                 .replace(/\b(cos)\b/gi, 'Math.cos')
+    //                 .replace(/\b(tan)\b/gi, 'Math.tan')
+    //                 .replace(/\b(exp)\b/gi, 'Math.exp')
+    //                 .replace(/\b(pow)\b/gi, 'Math.pow')
+    //                 .replace(/pi/g, 'Math.PI');
+    //             for (var n = 2; n < 10; ++n)
+    //                 _func = _func.replace('x^' + n, 'Math.pow(x,' + n + ')');
+    //
+    //             if (isformula) {
+    //                 _func = _func.replace(/x\[0\]/g, "x");
+    //                 if (this._typename === "TF2") {
+    //                     _func = _func.replace(/x\[1\]/g, "y");
+    //                     this._func = new Function("x", "y", _func).bind(this);
+    //                 } else {
+    //                     this._func = new Function("x", _func).bind(this);
+    //                 }
+    //             } else if (this._typename === "TF2")
+    //                 this._func = new Function("x", "y", "return " + _func).bind(this);
+    //             else
+    //                 this._func = new Function("x", "return " + _func).bind(this);
+    //
+    //             this._title = this.fTitle;
+    //         }
+    //
+    //         return this._func(x, y);
+    //     };
+    //     m.GetParName = function (n) {
+    //         if (this.fFormula && this.fFormula.fParams) return this.fFormula.fParams[n].first;
+    //         if (this.fNames && this.fNames[n]) return this.fNames[n];
+    //         return "p" + n;
+    //     };
+    //     m.GetParValue = function (n) {
+    //         if (this.fFormula && this.fFormula.fClingParameters) return this.fFormula.fClingParameters[n];
+    //         if (this.fParams) return this.fParams[n];
+    //         return undefined;
+    //     };
+    //     m.GetParError = function (n) {
+    //         return this.fParErrors ? this.fParErrors[n] : undefined;
+    //     };
+    //     m.GetNumPars = function () {
+    //         return this.fNpar;
+    //     }
+    // }
+
+    if (((typename.indexOf("TGraph") === 0) || (typename === "TCutG")) && (typename !== "TGraphPolargram") && (typename !== "TGraphTime")) {
+        // check if point inside figure specified by the TGraph
+        m.IsInside = function (xp, yp) {
+            var i, j = this.fNpoints - 1, x = this.fX, y = this.fY, oddNodes = false;
+
+            for (i = 0; i < this.fNpoints; ++i) {
+                if ((y[i] < yp && y[j] >= yp) || (y[j] < yp && y[i] >= yp)) {
+                    if (x[i] + (yp - y[i]) / (y[j] - y[i]) * (x[j] - x[i]) < xp) {
+                        oddNodes = !oddNodes;
+                    }
+                }
+                j = i;
+            }
+
+            return oddNodes;
+        };
+    }
+
+    if (typename.indexOf("TH1") === 0 ||
+        typename.indexOf("TH2") === 0 ||
+        typename.indexOf("TH3") === 0) {
+        m.getBinError = function (bin) {
+            //   -*-*-*-*-*Return value of error associated to bin number bin*-*-*-*-*
+            //    if the sum of squares of weights has been defined (via Sumw2),
+            //    this function returns the sqrt(sum of w2).
+            //    otherwise it returns the sqrt(contents) for this bin.
+            if (bin >= this.fNcells) bin = this.fNcells - 1;
+            if (bin < 0) bin = 0;
+            if (bin < this.fSumw2.length)
+                return Math.sqrt(this.fSumw2[bin]);
+            return Math.sqrt(Math.abs(this.fArray[bin]));
+        };
+        m.setBinContent = function (bin, content) {
+            // Set bin content - only trivial case, without expansion
+            this.fEntries++;
+            this.fTsumw = 0;
+            if ((bin >= 0) && (bin < this.fArray.length))
+                this.fArray[bin] = content;
+        };
+    }
+
+    if (typename.indexOf("TH1") === 0) {
+        m.getBin = function (x) {
+            return x;
+        };
+        m.getBinContent = function (bin) {
+            return this.fArray[bin];
+        };
+        m.Fill = function (x, weight) {
+            var axis = this.fXaxis,
+                bin = 1 + Math.floor((x - axis.fXmin) / (axis.fXmax - axis.fXmin) * axis.fNbins);
+            if (bin < 0) bin = 0; else if (bin > axis.fNbins + 1) bin = axis.fNbins + 1;
+            this.fArray[bin] += ((weight === undefined) ? 1 : weight);
+        }
+    }
+
+    if (typename.indexOf("TH2") === 0) {
+        m.getBin = function (x, y) {
+            return (x + (this.fXaxis.fNbins + 2) * y);
+        };
+        m.getBinContent = function (x, y) {
+            return this.fArray[this.getBin(x, y)];
+        };
+        m.Fill = function (x, y, weight) {
+            var axis1 = this.fXaxis, axis2 = this.fYaxis,
+                bin1 = 1 + Math.floor((x - axis1.fXmin) / (axis1.fXmax - axis1.fXmin) * axis1.fNbins),
+                bin2 = 1 + Math.floor((y - axis2.fXmin) / (axis2.fXmax - axis2.fXmin) * axis2.fNbins);
+            if (bin1 < 0) bin1 = 0; else if (bin1 > axis1.fNbins + 1) bin1 = axis1.fNbins + 1;
+            if (bin2 < 0) bin2 = 0; else if (bin2 > axis2.fNbins + 1) bin2 = axis2.fNbins + 1;
+            this.fArray[bin1 + (axis1.fNbins + 2) * bin2] += ((weight === undefined) ? 1 : weight);
+        }
+    }
+
+    if (typename.indexOf("TH3") === 0) {
+        m.getBin = function (x, y, z) {
+            return (x + (this.fXaxis.fNbins + 2) * (y + (this.fYaxis.fNbins + 2) * z));
+        };
+        m.getBinContent = function (x, y, z) {
+            return this.fArray[this.getBin(x, y, z)];
+        };
+        m.Fill = function (x, y, z, weight) {
+            var axis1 = this.fXaxis, axis2 = this.fYaxis, axis3 = this.fZaxis,
+                bin1 = 1 + Math.floor((x - axis1.fXmin) / (axis1.fXmax - axis1.fXmin) * axis1.fNbins),
+                bin2 = 1 + Math.floor((y - axis2.fXmin) / (axis2.fXmax - axis2.fXmin) * axis2.fNbins),
+                bin3 = 1 + Math.floor((z - axis3.fXmin) / (axis3.fXmax - axis3.fXmin) * axis3.fNbins);
+            if (bin1 < 0) bin1 = 0; else if (bin1 > axis1.fNbins + 1) bin1 = axis1.fNbins + 1;
+            if (bin2 < 0) bin2 = 0; else if (bin2 > axis2.fNbins + 1) bin2 = axis2.fNbins + 1;
+            if (bin3 < 0) bin3 = 0; else if (bin3 > axis3.fNbins + 1) bin3 = axis3.fNbins + 1;
+            this.fArray[bin1 + (axis1.fNbins + 2) * (bin2 + (axis2.fNbins + 2) * bin3)] += ((weight === undefined) ? 1 : weight);
+        }
+    }
+
+    if (typename.indexOf("TProfile") === 0) {
+        if (typename.indexOf("TProfile2D") === 0) {
+            m.getBin = function (x, y) {
+                return (x + (this.fXaxis.fNbins + 2) * y);
+            };
+            m.getBinContent = function (x, y) {
+                var bin = this.getBin(x, y);
+                if (bin < 0 || bin >= this.fNcells) return 0;
+                if (this.fBinEntries[bin] < 1e-300) return 0;
+                if (!this.fArray) return 0;
+                return this.fArray[bin] / this.fBinEntries[bin];
+            };
+            m.getBinEntries = function (x, y) {
+                var bin = this.getBin(x, y);
+                if (bin < 0 || bin >= this.fNcells) return 0;
+                return this.fBinEntries[bin];
+            }
+        } else {
+            m.getBin = function (x) {
+                return x;
+            };
+            m.getBinContent = function (bin) {
+                if (bin < 0 || bin >= this.fNcells) return 0;
+                if (this.fBinEntries[bin] < 1e-300) return 0;
+                if (!this.fArray) return 0;
+                return this.fArray[bin] / this.fBinEntries[bin];
+            };
+        }
+        m.getBinEffectiveEntries = function (bin) {
+            if (bin < 0 || bin >= this.fNcells) return 0;
+            var sumOfWeights = this.fBinEntries[bin];
+            if (!this.fBinSumw2 || this.fBinSumw2.length !== this.fNcells) {
+                // this can happen  when reading an old file
+                return sumOfWeights;
+            }
+            var sumOfWeightsSquare = this.fBinSumw2[bin];
+            return (sumOfWeightsSquare > 0) ? sumOfWeights * sumOfWeights / sumOfWeightsSquare : 0;
+        };
+        m.getBinError = function (bin) {
+            if (bin < 0 || bin >= this.fNcells) return 0;
+            var cont = this.fArray[bin],               // sum of bin w *y
+                sum = this.fBinEntries[bin],          // sum of bin weights
+                err2 = this.fSumw2[bin],               // sum of bin w * y^2
+                neff = this.getBinEffectiveEntries(bin);  // (sum of w)^2 / (sum of w^2)
+            if (sum < 1e-300) return 0;                  // for empty bins
+            var EErrorType = {kERRORMEAN: 0, kERRORSPREAD: 1, kERRORSPREADI: 2, kERRORSPREADG: 3};
+            // case the values y are gaussian distributed y +/- sigma and w = 1/sigma^2
+            if (this.fErrorMode === EErrorType.kERRORSPREADG)
+                return 1.0 / Math.sqrt(sum);
+            // compute variance in y (eprim2) and standard deviation in y (eprim)
+            var contsum = cont / sum, eprim = Math.sqrt(Math.abs(err2 / sum - contsum * contsum));
+            if (this.fErrorMode === EErrorType.kERRORSPREADI) {
+                if (eprim !== 0) return eprim / Math.sqrt(neff);
+                // in case content y is an integer (so each my has an error +/- 1/sqrt(12)
+                // when the std(y) is zero
+                return 1.0 / Math.sqrt(12 * neff);
+            }
+            // if approximate compute the sums (of w, wy and wy2) using all the bins
+            //  when the variance in y is zero
+            // case option "S" return standard deviation in y
+            if (this.fErrorMode === EErrorType.kERRORSPREAD) return eprim;
+            // default case : fErrorMode = kERRORMEAN
+            // return standard error on the mean of y
+            return (eprim / Math.sqrt(neff));
+        };
+    }
+
+    if (typename === "TAxis") {
+        m.GetBinLowEdge = function (bin) {
+            if (this.fNbins <= 0) return 0;
+            if ((this.fXbins.length > 0) && (bin > 0) && (bin <= this.fNbins)) return this.fXbins[bin - 1];
+            return this.fXmin + (bin - 1) * (this.fXmax - this.fXmin) / this.fNbins;
+        };
+        m.GetBinCenter = function (bin) {
+            if (this.fNbins <= 0) return 0;
+            if ((this.fXbins.length > 0) && (bin > 0) && (bin < this.fNbins)) return (this.fXbins[bin - 1] + this.fXbins[bin]) / 2;
+            return this.fXmin + (bin - 0.5) * (this.fXmax - this.fXmin) / this.fNbins;
+        }
+    }
+
+    if (typeof getMoreMethods == "function")
+        getMoreMethods(m, typename, obj);
+
+    methodsCache[typename] = m;
+    return m;
+}
+
+
+/** @summary Adds specific methods to the object.
+ *
+ * JSROOT implements some basic methods for different ROOT classes.
+ * @param {object} obj - object where methods are assigned
+ * @param {string} typename - optional typename, if not specified, obj._typename will be used
+ * @private
+ */
+function addMethods(obj, typename) {
+    this.extend(obj, getMethods(typename || obj._typename, obj));
+}

dataforge-vis-spatial-js/src/main/resources/ThreeCSG.js

@@ -1,28 +1,12 @@
-(function (factory) {
+import * as THREE from "three-full"
-    if (typeof define === "function" && define.amd) {
-        define(['three-full'], factory);
-    } else if (typeof exports === 'object' && typeof module !== 'undefined') {
-        factory(require("three-full"), exports);
-    } else {
 
-        if (typeof THREE == 'undefined')
+const EPSILON = 1e-5,
-            throw new Error('THREE is not defined', 'ThreeCSG.js');
-
-        ThreeBSP = factory(THREE);
-    }
-}(function (THREE, ThreeBSP) {
-
-    "use strict";
-
-    if (!ThreeBSP) ThreeBSP = {};
-
-    var EPSILON = 1e-5,
     COPLANAR = 0,
     FRONT = 1,
     BACK = 2,
     SPANNING = 3;
 
-    ThreeBSP.Geometry = function (geometry, transfer_matrix, nodeid, flippedMesh) {
+export function Geometry(geometry, transfer_matrix, nodeid, flippedMesh) {
     // Convert THREE.Geometry to ThreeBSP
 
     if (geometry instanceof THREE.Geometry) {
@@ -32,7 +16,7 @@
         geometry.updateMatrix();
         transfer_matrix = this.matrix = geometry.matrix.clone();
         geometry = geometry.geometry;
-        } else if (geometry instanceof ThreeBSP.Node) {
+    } else if (geometry instanceof Node) {
         this.tree = geometry;
         this.matrix = null; // new THREE.Matrix4;
         return this;
@@ -42,15 +26,15 @@
             polygons = [], polygon, vert1, vert2, vert3;
 
         for (var i = 0; i < pos_buf.length; i += 9) {
-                polygon = new ThreeBSP.Polygon;
+            polygon = new Polygon;
 
-                vert1 = new ThreeBSP.Vertex(pos_buf[i], pos_buf[i + 1], pos_buf[i + 2], norm_buf[i], norm_buf[i + 1], norm_buf[i + 2]);
+            vert1 = new Vertex(pos_buf[i], pos_buf[i + 1], pos_buf[i + 2], norm_buf[i], norm_buf[i + 1], norm_buf[i + 2]);
             if (transfer_matrix) vert1.applyMatrix4(transfer_matrix);
 
-                vert2 = new ThreeBSP.Vertex(pos_buf[i + 3], pos_buf[i + 4], pos_buf[i + 5], norm_buf[i + 3], norm_buf[i + 4], norm_buf[i + 5]);
+            vert2 = new Vertex(pos_buf[i + 3], pos_buf[i + 4], pos_buf[i + 5], norm_buf[i + 3], norm_buf[i + 4], norm_buf[i + 5]);
             if (transfer_matrix) vert2.applyMatrix4(transfer_matrix);
 
-                vert3 = new ThreeBSP.Vertex(pos_buf[i + 6], pos_buf[i + 7], pos_buf[i + 8], norm_buf[i + 6], norm_buf[i + 7], norm_buf[i + 8]);
+            vert3 = new Vertex(pos_buf[i + 6], pos_buf[i + 7], pos_buf[i + 8], norm_buf[i + 6], norm_buf[i + 7], norm_buf[i + 8]);
             if (transfer_matrix) vert3.applyMatrix4(transfer_matrix);
 
             if (flippedMesh) polygon.vertices.push(vert1, vert3, vert2);
@@ -60,11 +44,11 @@
             polygons.push(polygon);
         }
 
-            this.tree = new ThreeBSP.Node(polygons, nodeid);
+        this.tree = new Node(polygons, nodeid);
         if (nodeid !== undefined) this.maxid = this.tree.maxnodeid;
         return this;
 
-        } else if (geometry.polygons && (geometry.polygons[0] instanceof ThreeBSP.Polygon)) {
+    } else if (geometry.polygons && (geometry.polygons[0] instanceof Polygon)) {
         var polygons = geometry.polygons;
 
         for (var i = 0; i < polygons.length; ++i) {
@@ -77,7 +61,7 @@
             polygon.calculateProperties();
         }
 
-            this.tree = new ThreeBSP.Node(polygons, nodeid);
+        this.tree = new Node(polygons, nodeid);
         if (nodeid !== undefined) this.maxid = this.tree.maxnodeid;
         return this;
 
@@ -92,48 +76,24 @@
     for (var i = 0; i < nfaces; ++i) {
         face = geometry.faces[i];
         // faceVertexUvs = geometry.faceVertexUvs[0][i];
-            polygon = new ThreeBSP.Polygon;
+        polygon = new Polygon;
 
         if (face instanceof THREE.Face3) {
             vertex = geometry.vertices[face.a];
             // uvs = faceVertexUvs ? new THREE.Vector2( faceVertexUvs[0].x, faceVertexUvs[0].y ) : null;
-                vertex = new ThreeBSP.Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[0].x, face.vertexNormals[0].y, face.vertexNormals[0].z /*face.normal , uvs */);
+            vertex = new Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[0].x, face.vertexNormals[0].y, face.vertexNormals[0].z /*face.normal , uvs */);
             if (transfer_matrix) vertex.applyMatrix4(transfer_matrix);
             polygon.vertices.push(vertex);
 
             vertex = geometry.vertices[face.b];
             //uvs = faceVertexUvs ? new THREE.Vector2( faceVertexUvs[1].x, faceVertexUvs[1].y ) : null;
-                vertex = new ThreeBSP.Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[1].x, face.vertexNormals[1].y, face.vertexNormals[1].z/*face.normal , uvs */);
+            vertex = new Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[1].x, face.vertexNormals[1].y, face.vertexNormals[1].z/*face.normal , uvs */);
             if (transfer_matrix) vertex.applyMatrix4(transfer_matrix);
             polygon.vertices.push(vertex);
 
             vertex = geometry.vertices[face.c];
             // uvs = faceVertexUvs ? new THREE.Vector2( faceVertexUvs[2].x, faceVertexUvs[2].y ) : null;
-                vertex = new ThreeBSP.Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[2].x, face.vertexNormals[2].y, face.vertexNormals[2].z /*face.normal, uvs */);
+            vertex = new Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[2].x, face.vertexNormals[2].y, face.vertexNormals[2].z /*face.normal, uvs */);
-                if (transfer_matrix) vertex.applyMatrix4(transfer_matrix);
-                polygon.vertices.push(vertex);
-            } else if (typeof THREE.Face4) {
-                vertex = geometry.vertices[face.a];
-                // uvs = faceVertexUvs ? new THREE.Vector2( faceVertexUvs[0].x, faceVertexUvs[0].y ) : null;
-                vertex = new ThreeBSP.Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[0].x, face.vertexNormals[0].y, face.vertexNormals[0].z /*, uvs */);
-                if (transfer_matrix) vertex.applyMatrix4(transfer_matrix);
-                polygon.vertices.push(vertex);
-
-                vertex = geometry.vertices[face.b];
-                // uvs = faceVertexUvs ? new THREE.Vector2( faceVertexUvs[1].x, faceVertexUvs[1].y ) : null;
-                vertex = new ThreeBSP.Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[1].x, face.vertexNormals[1].y, face.vertexNormals[1].z /*, uvs */);
-                if (transfer_matrix) vertex.applyMatrix4(transfer_matrix);
-                polygon.vertices.push(vertex);
-
-                vertex = geometry.vertices[face.c];
-                // uvs = faceVertexUvs ? new THREE.Vector2( faceVertexUvs[2].x, faceVertexUvs[2].y ) : null;
-                vertex = new ThreeBSP.Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[2].x, face.vertexNormals[2].y, face.vertexNormals[2].z /*, uvs */);
-                if (transfer_matrix) vertex.applyMatrix4(transfer_matrix);
-                polygon.vertices.push(vertex);
-
-                vertex = geometry.vertices[face.d];
-                // uvs = faceVertexUvs ? new THREE.Vector2( faceVertexUvs[3].x, faceVertexUvs[3].y ) : null;
-                vertex = new ThreeBSP.Vertex(vertex.x, vertex.y, vertex.z, face.vertexNormals[3].x, face.vertexNormals[3].y, face.vertexNormals[3].z /*, uvs */);
             if (transfer_matrix) vertex.applyMatrix4(transfer_matrix);
             polygon.vertices.push(vertex);
         } else {
@@ -144,11 +104,11 @@
         polygons.push(polygon);
     }
 
-        this.tree = new ThreeBSP.Node(polygons, nodeid);
+    this.tree = new Node(polygons, nodeid);
     if (nodeid !== undefined) this.maxid = this.tree.maxnodeid;
-    };
+}
 
-    ThreeBSP.Geometry.prototype.subtract = function (other_tree) {
+Geometry.prototype.subtract = function (other_tree) {
     var a = this.tree.clone(),
         b = other_tree.tree.clone();
 
@@ -160,12 +120,12 @@
     b.invert();
     a.build(b.allPolygons());
     a.invert();
-        a = new ThreeBSP.Geometry(a);
+    a = new Geometry(a);
     a.matrix = this.matrix;
     return a;
 };
 
-    ThreeBSP.Geometry.prototype.union = function (other_tree) {
+Geometry.prototype.union = function (other_tree) {
     var a = this.tree.clone(),
         b = other_tree.tree.clone();
 
@@ -175,12 +135,12 @@
     b.clipTo(a);
     b.invert();
     a.build(b.allPolygons());
-        a = new ThreeBSP.Geometry(a);
+    a = new Geometry(a);
     a.matrix = this.matrix;
     return a;
 };
 
-    ThreeBSP.Geometry.prototype.intersect = function (other_tree) {
+Geometry.prototype.intersect = function (other_tree) {
     var a = this.tree.clone(),
         b = other_tree.tree.clone();
 
@@ -191,12 +151,12 @@
     b.clipTo(a);
     a.build(b.allPolygons());
     a.invert();
-        a = new ThreeBSP.Geometry(a);
+    a = new Geometry(a);
     a.matrix = this.matrix;
     return a;
 };
 
-    ThreeBSP.Geometry.prototype.tryToCompress = function (polygons) {
+Geometry.prototype.tryToCompress = function (polygons) {
 
     if (this.maxid === undefined) return;
 
@@ -258,7 +218,7 @@
     }
 };
 
-    ThreeBSP.Geometry.prototype.direct_subtract = function (other_tree) {
+Geometry.prototype.direct_subtract = function (other_tree) {
     var a = this.tree,
         b = other_tree.tree;
     a.invert();
@@ -272,7 +232,7 @@
     return this;
 };
 
-    ThreeBSP.Geometry.prototype.direct_union = function (other_tree) {
+Geometry.prototype.direct_union = function (other_tree) {
     var a = this.tree,
         b = other_tree.tree;
 
@@ -285,7 +245,7 @@
     return this;
 };
 
-    ThreeBSP.Geometry.prototype.direct_intersect = function (other_tree) {
+Geometry.prototype.direct_intersect = function (other_tree) {
     var a = this.tree,
         b = other_tree.tree;
 
@@ -299,7 +259,7 @@
     return this;
 };
 
-    ThreeBSP.CreateNormal = function (axis_name, pos, size) {
+export function CreateNormal(axis_name, pos, size) {
     // create geometry to make cut on specified axis
 
     var vert1, vert2, vert3;
@@ -308,32 +268,31 @@
 
     switch (axis_name) {
         case "x":
-                vert1 = new ThreeBSP.Vertex(pos, -3 * size, size, 1, 0, 0),
+            vert1 = new Vertex(pos, -3 * size, size, 1, 0, 0),
-                    vert3 = new ThreeBSP.Vertex(pos, size, size, 1, 0, 0),
+                vert3 = new Vertex(pos, size, size, 1, 0, 0),
-                    vert2 = new ThreeBSP.Vertex(pos, size, -3 * size, 1, 0, 0);
+                vert2 = new Vertex(pos, size, -3 * size, 1, 0, 0);
             break;
         case "y":
-                vert1 = new ThreeBSP.Vertex(-3 * size, pos, size, 0, 1, 0),
+            vert1 = new Vertex(-3 * size, pos, size, 0, 1, 0),
-                    vert2 = new ThreeBSP.Vertex(size, pos, size, 0, 1, 0),
+                vert2 = new Vertex(size, pos, size, 0, 1, 0),
-                    vert3 = new ThreeBSP.Vertex(size, pos, -3 * size, 0, 1, 0);
+                vert3 = new Vertex(size, pos, -3 * size, 0, 1, 0);
             break;
         case "z":
-                vert1 = new ThreeBSP.Vertex(-3 * size, size, pos, 0, 0, 1),
+            vert1 = new Vertex(-3 * size, size, pos, 0, 0, 1),
-                    vert3 = new ThreeBSP.Vertex(size, size, pos, 0, 0, 1),
+                vert3 = new Vertex(size, size, pos, 0, 0, 1),
-                    vert2 = new ThreeBSP.Vertex(size, -3 * size, pos, 0, 0, 1);
+                vert2 = new Vertex(size, -3 * size, pos, 0, 0, 1);
             break;
     }
 
-        var polygon = new ThreeBSP.Polygon([vert1, vert2, vert3]);
+    var polygon = new Polygon([vert1, vert2, vert3]);
     polygon.calculateProperties();
 
-        var node = new ThreeBSP.Node([polygon]);
+    var node = new Node([polygon]);
 
-        return new ThreeBSP.Geometry(node);
+    return new Geometry(node);
-    };
+}
 
-
+Geometry.prototype.cut_from_plane = function (other_tree) {
-    ThreeBSP.Geometry.prototype.cut_from_plane = function (other_tree) {
     // just cut peaces from second geometry, which just simple plane
 
     var a = this.tree,
@@ -346,7 +305,7 @@
 };
 
 
-    ThreeBSP.Geometry.prototype.toGeometry = function () {
+Geometry.prototype.toGeometry = function () {
     var i, j,
         matrix = this.matrix ? new THREE.Matrix4().getInverse(this.matrix) : null,
         geometry = new THREE.Geometry(),
@@ -413,7 +372,7 @@
     return geometry;
 };
 
-    ThreeBSP.Geometry.prototype.scale = function (x, y, z) {
+Geometry.prototype.scale = function (x, y, z) {
     // try to scale as THREE.BufferGeometry
     var polygons = this.tree.collectPolygons([]);
 
@@ -430,7 +389,7 @@
     }
 };
 
-    ThreeBSP.Geometry.prototype.toPolygons = function () {
+Geometry.prototype.toPolygons = function () {
     var polygons = this.tree.collectPolygons([]);
 
     this.tryToCompress(polygons);
@@ -443,11 +402,11 @@
     return polygons;
 };
 
-    ThreeBSP.Geometry.prototype.toBufferGeometry = function () {
+Geometry.prototype.toBufferGeometry = function () {
-        return ThreeBSP.CreateBufferGeometry(this.toPolygons());
+    return CreateBufferGeometry(this.toPolygons());
 };
 
-    ThreeBSP.CreateBufferGeometry = function (polygons) {
+export function CreateBufferGeometry(polygons) {
     var i, j, polygon_count = polygons.length, buf_size = 0;
 
     for (i = 0; i < polygon_count; ++i)
@@ -484,9 +443,9 @@
 
     // geometry.computeVertexNormals();
     return geometry;
-    };
+}
 
-    ThreeBSP.Geometry.prototype.toMesh = function (material) {
+Geometry.prototype.toMesh = function (material) {
     var geometry = this.toGeometry(),
         mesh = new THREE.Mesh(geometry, material);
 
@@ -498,7 +457,8 @@
     return mesh;
 };
 
-    ThreeBSP.Polygon = function (vertices, normal, w) {
+export class Polygon {
+    constructor(vertices, normal, w) {
         if (!(vertices instanceof Array)) {
             vertices = [];
         }
@@ -511,8 +471,10 @@
             this.normal = this.w = undefined;
         }
     };
+}
 
-    ThreeBSP.Polygon.prototype.copyProperties = function (parent, more) {
+
+Polygon.prototype.copyProperties = function (parent, more) {
     this.normal = parent.normal; // .clone();
     this.w = parent.w;
     this.nsign = parent.nsign;
@@ -523,7 +485,7 @@
     return this;
 };
 
-    ThreeBSP.Polygon.prototype.calculateProperties = function () {
+Polygon.prototype.calculateProperties = function () {
     if (this.normal) return;
 
     var a = this.vertices[0],
@@ -540,9 +502,9 @@
     return this;
 };
 
-    ThreeBSP.Polygon.prototype.clone = function () {
+Polygon.prototype.clone = function () {
     var vertice_count = this.vertices.length,
-            polygon = new ThreeBSP.Polygon;
+        polygon = new Polygon;
 
     for (var i = 0; i < vertice_count; ++i)
         polygon.vertices.push(this.vertices[i].clone());
@@ -550,7 +512,7 @@
     return polygon.copyProperties(this);
 };
 
-    ThreeBSP.Polygon.prototype.flip = function () {
+Polygon.prototype.flip = function () {
 
     /// normal is not changed, only sign variable
     //this.normal.multiplyScalar( -1 );
@@ -563,7 +525,7 @@
     return this;
 };
 
-    ThreeBSP.Polygon.prototype.classifyVertex = function (vertex) {
+Polygon.prototype.classifyVertex = function (vertex) {
     var side_value = this.nsign * (this.normal.dot(vertex) - this.w);
 
     if (side_value < -EPSILON) return BACK;
@@ -571,7 +533,7 @@
     return COPLANAR;
 };
 
-    ThreeBSP.Polygon.prototype.classifySide = function (polygon) {
+Polygon.prototype.classifySide = function (polygon) {
     var i, classification,
         num_positive = 0, num_negative = 0,
         vertice_count = polygon.vertices.length;
@@ -591,7 +553,7 @@
     return SPANNING;
 };
 
-    ThreeBSP.Polygon.prototype.splitPolygon = function (polygon, coplanar_front, coplanar_back, front, back) {
+Polygon.prototype.splitPolygon = function (polygon, coplanar_front, coplanar_back, front, back) {
     var classification = this.classifySide(polygon);
 
     if (classification === COPLANAR) {
@@ -638,14 +600,15 @@
             }
         }
 
-            //if ( f.length >= 3 ) front.push( new ThreeBSP.Polygon( f ).calculateProperties() );
+        //if ( f.length >= 3 ) front.push( new Polygon( f ).calculateProperties() );
-            //if ( b.length >= 3 ) back.push( new ThreeBSP.Polygon( b ).calculateProperties() );
+        //if ( b.length >= 3 ) back.push( new Polygon( b ).calculateProperties() );
-            if (f.length >= 3) front.push(new ThreeBSP.Polygon(f).copyProperties(polygon, true));
+        if (f.length >= 3) front.push(new Polygon(f).copyProperties(polygon, true));
-            if (b.length >= 3) back.push(new ThreeBSP.Polygon(b).copyProperties(polygon, true));
+        if (b.length >= 3) back.push(new Polygon(b).copyProperties(polygon, true));
     }
 };
 
-    ThreeBSP.Vertex = function (x, y, z, nx, ny, nz) {
+export class Vertex {
+    constructor(x, y, z, nx, ny, nz) {
         this.x = x;
         this.y = y;
         this.z = z;
@@ -653,39 +616,40 @@
         this.ny = ny;
         this.nz = nz;
     };
+}
 
-    ThreeBSP.Vertex.prototype.setnormal = function (nx, ny, nz) {
+Vertex.prototype.setnormal = function (nx, ny, nz) {
     this.nx = nx;
     this.ny = ny;
     this.nz = nz;
 };
 
-    ThreeBSP.Vertex.prototype.clone = function () {
+Vertex.prototype.clone = function () {
-        return new ThreeBSP.Vertex(this.x, this.y, this.z, this.nx, this.ny, this.nz);
+    return new Vertex(this.x, this.y, this.z, this.nx, this.ny, this.nz);
 };
 
-    ThreeBSP.Vertex.prototype.add = function (vertex) {
+Vertex.prototype.add = function (vertex) {
     this.x += vertex.x;
     this.y += vertex.y;
     this.z += vertex.z;
     return this;
 };
 
-    ThreeBSP.Vertex.prototype.subtract = function (vertex) {
+Vertex.prototype.subtract = function (vertex) {
     this.x -= vertex.x;
     this.y -= vertex.y;
     this.z -= vertex.z;
     return this;
 };
 
-    ThreeBSP.Vertex.prototype.multiplyScalar = function (scalar) {
+Vertex.prototype.multiplyScalar = function (scalar) {
     this.x *= scalar;
     this.y *= scalar;
     this.z *= scalar;
     return this;
 };
 
-    ThreeBSP.Vertex.prototype.cross = function (vertex) {
+Vertex.prototype.cross = function (vertex) {
     var x = this.x,
         y = this.y,
         z = this.z;
@@ -697,7 +661,7 @@
     return this;
 };
 
-    ThreeBSP.Vertex.prototype.normalize = function () {
+Vertex.prototype.normalize = function () {
     var length = Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
 
     this.x /= length;
@@ -707,11 +671,11 @@
     return this;
 };
 
-    ThreeBSP.Vertex.prototype.dot = function (vertex) {
+Vertex.prototype.dot = function (vertex) {
     return this.x * vertex.x + this.y * vertex.y + this.z * vertex.z;
 };
 
-    ThreeBSP.Vertex.prototype.diff = function (vertex) {
+Vertex.prototype.diff = function (vertex) {
     var dx = (this.x - vertex.x),
         dy = (this.y - vertex.y),
         dz = (this.z - vertex.z),
@@ -721,7 +685,7 @@
 };
 
 /*
-       ThreeBSP.Vertex.prototype.lerp = function( a, t ) {
+   Vertex.prototype.lerp = function( a, t ) {
       this.add(
          a.clone().subtract( this ).multiplyScalar( t )
       );
@@ -736,18 +700,18 @@
 
       return this;
    };
-       ThreeBSP.Vertex.prototype.interpolate = function( other, t ) {
+   Vertex.prototype.interpolate = function( other, t ) {
       return this.clone().lerp( other, t );
    };
 */
 
-    ThreeBSP.Vertex.prototype.interpolate = function (a, t) {
+Vertex.prototype.interpolate = function (a, t) {
     var t1 = 1 - t;
-        return new ThreeBSP.Vertex(this.x * t1 + a.x * t, this.y * t1 + a.y * t, this.z * t1 + a.z * t,
+    return new Vertex(this.x * t1 + a.x * t, this.y * t1 + a.y * t, this.z * t1 + a.z * t,
         this.nx * t1 + a.nx * t, this.ny * t1 + a.ny * t, this.nz * t1 + a.nz * t);
 };
 
-    ThreeBSP.Vertex.prototype.applyMatrix4 = function (m) {
+Vertex.prototype.applyMatrix4 = function (m) {
 
     // input: THREE.Matrix4 affine matrix
 
@@ -770,7 +734,8 @@
 
 // ================================================================================================
 
-    ThreeBSP.Node = function (polygons, nodeid) {
+export class Node {
+    constructor(polygons, nodeid) {
         this.polygons = [];
         this.front = this.back = undefined;
 
@@ -793,13 +758,14 @@
         if (nodeid !== undefined) this.maxnodeid = nodeid;
 
         if (front.length > 0)
-            this.front = new ThreeBSP.Node(front);
+            this.front = new Node(front);
 
         if (back.length > 0)
-            this.back = new ThreeBSP.Node(back);
+            this.back = new Node(back);
     };
+}
 
-    ThreeBSP.Node.isConvex = function (polygons) {
+Node.isConvex = function (polygons) {
     var i, j, len = polygons.length;
     for (i = 0; i < len; ++i)
         for (j = 0; j < len; ++j)
@@ -807,7 +773,7 @@
     return true;
 };
 
-    ThreeBSP.Node.prototype.build = function (polygons) {
+Node.prototype.build = function (polygons) {
     var polygon_count = polygons.length,
         front = [], back = [];
 
@@ -818,17 +784,17 @@
         this.divider.splitPolygon(polygons[i], this.polygons, this.polygons, front, back);
 
     if (front.length > 0) {
-            if (!this.front) this.front = new ThreeBSP.Node();
+        if (!this.front) this.front = new Node();
         this.front.build(front);
     }
 
     if (back.length > 0) {
-            if (!this.back) this.back = new ThreeBSP.Node();
+        if (!this.back) this.back = new Node();
         this.back.build(back);
     }
 };
 
-    ThreeBSP.Node.prototype.collectPolygons = function (arr) {
+Node.prototype.collectPolygons = function (arr) {
     var len = this.polygons.length;
     for (var i = 0; i < len; ++i) arr.push(this.polygons[i]);
     if (this.front) this.front.collectPolygons(arr);
@@ -836,22 +802,22 @@
     return arr;
 };
 
-    ThreeBSP.Node.prototype.allPolygons = function () {
+Node.prototype.allPolygons = function () {
     var polygons = this.polygons.slice();
     if (this.front) polygons = polygons.concat(this.front.allPolygons());
     if (this.back) polygons = polygons.concat(this.back.allPolygons());
     return polygons;
 };
 
-    ThreeBSP.Node.prototype.numPolygons = function () {
+Node.prototype.numPolygons = function () {
     var res = this.polygons.length;
     if (this.front) res += this.front.numPolygons();
     if (this.back) res += this.back.numPolygons();
     return res;
 };
 
-    ThreeBSP.Node.prototype.clone = function () {
+Node.prototype.clone = function () {
-        var node = new ThreeBSP.Node();
+    var node = new Node();
 
     node.divider = this.divider.clone();
     node.polygons = this.polygons.map(function (polygon) {
@@ -863,7 +829,7 @@
     return node;
 };
 
-    ThreeBSP.Node.prototype.invert = function () {
+Node.prototype.invert = function () {
     var polygon_count = this.polygons.length;
 
     for (var i = 0; i < polygon_count; ++i)
@@ -880,7 +846,7 @@
     return this;
 };
 
-    ThreeBSP.Node.prototype.clipPolygons = function (polygons) {
+Node.prototype.clipPolygons = function (polygons) {
 
     if (!this.divider) return polygons.slice();
 
@@ -896,13 +862,8 @@
     return front.concat(back);
 };
 
-    ThreeBSP.Node.prototype.clipTo = function (node) {
+Node.prototype.clipTo = function (node) {
     this.polygons = node.clipPolygons(this.polygons);
     if (this.front) this.front.clipTo(node);
     if (this.back) this.back.clipTo(node);
 };
-
-    return ThreeBSP;
-
-}));
-