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710 lines
34 KiB
710 lines
34 KiB
var util = require('../../../util');
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var RepulsionMixin = require('./RepulsionMixin');
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var HierarchialRepulsionMixin = require('./HierarchialRepulsionMixin');
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var BarnesHutMixin = require('./BarnesHutMixin');
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/**
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* Toggling barnes Hut calculation on and off.
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*
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* @private
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*/
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exports._toggleBarnesHut = function () {
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this.constants.physics.barnesHut.enabled = !this.constants.physics.barnesHut.enabled;
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this._loadSelectedForceSolver();
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this.moving = true;
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this.start();
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};
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/**
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* This loads the node force solver based on the barnes hut or repulsion algorithm
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*
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* @private
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*/
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exports._loadSelectedForceSolver = function () {
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// this overloads the this._calculateNodeForces
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if (this.constants.physics.barnesHut.enabled == true) {
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this._clearMixin(RepulsionMixin);
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this._clearMixin(HierarchialRepulsionMixin);
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this.constants.physics.centralGravity = this.constants.physics.barnesHut.centralGravity;
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this.constants.physics.springLength = this.constants.physics.barnesHut.springLength;
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this.constants.physics.springConstant = this.constants.physics.barnesHut.springConstant;
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this.constants.physics.damping = this.constants.physics.barnesHut.damping;
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this._loadMixin(BarnesHutMixin);
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}
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else if (this.constants.physics.hierarchicalRepulsion.enabled == true) {
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this._clearMixin(BarnesHutMixin);
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this._clearMixin(RepulsionMixin);
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this.constants.physics.centralGravity = this.constants.physics.hierarchicalRepulsion.centralGravity;
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this.constants.physics.springLength = this.constants.physics.hierarchicalRepulsion.springLength;
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this.constants.physics.springConstant = this.constants.physics.hierarchicalRepulsion.springConstant;
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this.constants.physics.damping = this.constants.physics.hierarchicalRepulsion.damping;
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this._loadMixin(HierarchialRepulsionMixin);
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}
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else {
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this._clearMixin(BarnesHutMixin);
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this._clearMixin(HierarchialRepulsionMixin);
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this.barnesHutTree = undefined;
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this.constants.physics.centralGravity = this.constants.physics.repulsion.centralGravity;
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this.constants.physics.springLength = this.constants.physics.repulsion.springLength;
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this.constants.physics.springConstant = this.constants.physics.repulsion.springConstant;
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this.constants.physics.damping = this.constants.physics.repulsion.damping;
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this._loadMixin(RepulsionMixin);
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}
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};
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/**
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* Before calculating the forces, we check if we need to cluster to keep up performance and we check
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* if there is more than one node. If it is just one node, we dont calculate anything.
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*
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* @private
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*/
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exports._initializeForceCalculation = function () {
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// stop calculation if there is only one node
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if (this.calculationNodeIndices.length == 1) {
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this.body.nodes[this.calculationNodeIndices[0]]._setForce(0, 0);
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}
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else {
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// we now start the force calculation
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this._calculateForces();
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}
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};
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/**
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* Calculate the external forces acting on the nodes
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* Forces are caused by: edges, repulsing forces between nodes, gravity
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* @private
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*/
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exports._calculateForces = function () {
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// Gravity is required to keep separated groups from floating off
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// the forces are reset to zero in this loop by using _setForce instead
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// of _addForce
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this._calculateGravitationalForces();
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this._calculateNodeForces();
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if (this.constants.physics.springConstant > 0) {
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if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) {
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this._calculateSpringForcesWithSupport();
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}
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else {
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if (this.constants.physics.hierarchicalRepulsion.enabled == true) {
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this._calculateHierarchicalSpringForces();
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}
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else {
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this._calculateSpringForces();
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}
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}
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}
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};
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/**
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* Smooth curves are created by adding invisible nodes in the center of the edges. These nodes are also
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* handled in the calculateForces function. We then use a quadratic curve with the center node as control.
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* This function joins the datanodes and invisible (called support) nodes into one object.
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* We do this so we do not contaminate this.body.nodes with the support nodes.
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*
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* @private
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*/
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exports._updateCalculationNodes = function () {
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if (this.constants.smoothCurves.enabled == true && this.constants.smoothCurves.dynamic == true) {
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this.calculationNodes = {};
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this.calculationNodeIndices = [];
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for (var nodeId in this.body.nodes) {
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if (this.body.nodes.hasOwnProperty(nodeId)) {
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this.calculationNodes[nodeId] = this.body.nodes[nodeId];
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}
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}
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var supportNodes = this.body.sectors['support']['nodes'];
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for (var supportNodeId in supportNodes) {
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if (supportNodes.hasOwnProperty(supportNodeId)) {
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if (this.body.edges.hasOwnProperty(supportNodes[supportNodeId].parentEdgeId)) {
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this.calculationNodes[supportNodeId] = supportNodes[supportNodeId];
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}
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else {
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supportNodes[supportNodeId]._setForce(0, 0);
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}
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}
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}
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this.calculationNodeIndices = Object.keys(this.calculationNodes);
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}
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else {
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this.calculationNodes = this.body.nodes;
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this.calculationNodeIndices = this.body.nodeIndices;
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}
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};
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/**
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* this function applies the central gravity effect to keep groups from floating off
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*
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* @private
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*/
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exports._calculateGravitationalForces = function () {
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var dx, dy, distance, node, i;
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var nodes = this.calculationNodes;
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var gravity = this.constants.physics.centralGravity;
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var gravityForce = 0;
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for (i = 0; i < this.calculationNodeIndices.length; i++) {
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node = nodes[this.calculationNodeIndices[i]];
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node.damping = this.constants.physics.damping; // possibly add function to alter damping properties of clusters.
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// gravity does not apply when we are in a pocket sector
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if (this._sector() == "default" && gravity != 0) {
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dx = -node.x;
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dy = -node.y;
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distance = Math.sqrt(dx * dx + dy * dy);
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gravityForce = (distance == 0) ? 0 : (gravity / distance);
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node.fx = dx * gravityForce;
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node.fy = dy * gravityForce;
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}
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else {
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node.fx = 0;
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node.fy = 0;
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}
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}
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};
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/**
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* this function calculates the effects of the springs in the case of unsmooth curves.
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*
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* @private
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*/
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exports._calculateSpringForces = function () {
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var edgeLength, edge, edgeId;
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var dx, dy, fx, fy, springForce, distance;
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var edges = this.body.edges;
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// forces caused by the edges, modelled as springs
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for (edgeId in edges) {
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if (edges.hasOwnProperty(edgeId)) {
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edge = edges[edgeId];
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if (edge.connected === true) {
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// only calculate forces if nodes are in the same sector
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if (this.body.nodes.hasOwnProperty(edge.toId) && this.body.nodes.hasOwnProperty(edge.fromId)) {
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edgeLength = edge.physics.springLength;
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dx = (edge.from.x - edge.to.x);
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dy = (edge.from.y - edge.to.y);
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distance = Math.sqrt(dx * dx + dy * dy);
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if (distance == 0) {
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distance = 0.01;
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}
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// the 1/distance is so the fx and fy can be calculated without sine or cosine.
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springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance;
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fx = dx * springForce;
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fy = dy * springForce;
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edge.from.fx += fx;
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edge.from.fy += fy;
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edge.to.fx -= fx;
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edge.to.fy -= fy;
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}
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}
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}
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}
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};
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/**
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* This function calculates the springforces on the nodes, accounting for the support nodes.
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*
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* @private
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*/
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exports._calculateSpringForcesWithSupport = function () {
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var edgeLength, edge, edgeId;
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var edges = this.body.edges;
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var calculationNodes = this.calculationNodes;
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// forces caused by the edges, modelled as springs
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for (edgeId in edges) {
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if (edges.hasOwnProperty(edgeId)) {
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edge = edges[edgeId];
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if (edge.connected === true) {
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// only calculate forces if nodes are in the same sector
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if (calculationNodes[edge.toId] !== undefined && calculationNodes[edge.fromId] !== undefined) {
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if (edge.via != null) {
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var node1 = edge.to;
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var node2 = edge.via;
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var node3 = edge.from;
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edgeLength = edge.physics.springLength;
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this._calculateSpringForce(node1, node2, 0.5 * edgeLength);
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this._calculateSpringForce(node2, node3, 0.5 * edgeLength);
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}
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}
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}
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}
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}
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};
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/**
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* This is the code actually performing the calculation for the function above. It is split out to avoid repetition.
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*
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* @param node1
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* @param node2
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* @param edgeLength
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* @private
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*/
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exports._calculateSpringForce = function (node1, node2, edgeLength) {
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var dx, dy, fx, fy, springForce, distance;
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dx = (node1.x - node2.x);
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dy = (node1.y - node2.y);
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distance = Math.sqrt(dx * dx + dy * dy);
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if (distance == 0) {
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distance = 0.01;
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}
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// the 1/distance is so the fx and fy can be calculated without sine or cosine.
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springForce = this.constants.physics.springConstant * (edgeLength - distance) / distance;
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fx = dx * springForce;
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fy = dy * springForce;
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node1.fx += fx;
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node1.fy += fy;
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node2.fx -= fx;
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node2.fy -= fy;
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};
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exports._cleanupPhysicsConfiguration = function() {
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if (this.physicsConfiguration !== undefined) {
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while (this.physicsConfiguration.hasChildNodes()) {
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this.physicsConfiguration.removeChild(this.physicsConfiguration.firstChild);
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}
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this.physicsConfiguration.parentNode.removeChild(this.physicsConfiguration);
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this.physicsConfiguration = undefined;
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}
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}
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/**
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* Load the HTML for the physics config and bind it
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* @private
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*/
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exports._loadPhysicsConfiguration = function () {
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if (this.physicsConfiguration === undefined) {
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this.backupConstants = {};
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util.deepExtend(this.backupConstants,this.constants);
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var maxGravitational = Math.max(20000, (-1 * this.constants.physics.barnesHut.gravitationalConstant) * 10);
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var maxSpring = Math.min(0.05, this.constants.physics.barnesHut.springConstant * 10)
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var hierarchicalLayoutDirections = ["LR", "RL", "UD", "DU"];
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this.physicsConfiguration = document.createElement('div');
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this.physicsConfiguration.className = "PhysicsConfiguration";
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this.physicsConfiguration.innerHTML = '' +
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'<table><tr><td><b>Simulation Mode:</b></td></tr>' +
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'<tr>' +
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'<td width="120px"><input type="radio" name="graph_physicsMethod" id="graph_physicsMethod1" value="BH" checked="checked">Barnes Hut</td>' +
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'<td width="120px"><input type="radio" name="graph_physicsMethod" id="graph_physicsMethod2" value="R">Repulsion</td>' +
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'<td width="120px"><input type="radio" name="graph_physicsMethod" id="graph_physicsMethod3" value="H">Hierarchical</td>' +
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'</tr>' +
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'</table>' +
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'<table id="graph_BH_table" style="display:none">' +
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'<tr><td><b>Barnes Hut</b></td></tr>' +
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'<tr>' +
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'<td width="150px">gravitationalConstant</td><td>0</td><td><input type="range" min="0" max="'+maxGravitational+'" value="' + (-1 * this.constants.physics.barnesHut.gravitationalConstant) + '" step="25" style="width:300px" id="graph_BH_gc"></td><td width="50px">-'+maxGravitational+'</td><td><input value="' + (this.constants.physics.barnesHut.gravitationalConstant) + '" id="graph_BH_gc_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">centralGravity</td><td>0</td><td><input type="range" min="0" max="6" value="' + this.constants.physics.barnesHut.centralGravity + '" step="0.05" style="width:300px" id="graph_BH_cg"></td><td>3</td><td><input value="' + this.constants.physics.barnesHut.centralGravity + '" id="graph_BH_cg_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">springLength</td><td>0</td><td><input type="range" min="0" max="500" value="' + this.constants.physics.barnesHut.springLength + '" step="1" style="width:300px" id="graph_BH_sl"></td><td>500</td><td><input value="' + this.constants.physics.barnesHut.springLength + '" id="graph_BH_sl_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">springConstant</td><td>0</td><td><input type="range" min="0" max="'+maxSpring+'" value="' + this.constants.physics.barnesHut.springConstant + '" step="0.0001" style="width:300px" id="graph_BH_sc"></td><td>'+maxSpring+'</td><td><input value="' + this.constants.physics.barnesHut.springConstant + '" id="graph_BH_sc_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">damping</td><td>0</td><td><input type="range" min="0" max="0.3" value="' + this.constants.physics.barnesHut.damping + '" step="0.005" style="width:300px" id="graph_BH_damp"></td><td>0.3</td><td><input value="' + this.constants.physics.barnesHut.damping + '" id="graph_BH_damp_value" style="width:60px"></td>' +
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'</tr>' +
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'</table>' +
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'<table id="graph_R_table" style="display:none">' +
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'<tr><td><b>Repulsion</b></td></tr>' +
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'<tr>' +
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'<td width="150px">nodeDistance</td><td>0</td><td><input type="range" min="0" max="300" value="' + this.constants.physics.repulsion.nodeDistance + '" step="1" style="width:300px" id="graph_R_nd"></td><td width="50px">300</td><td><input value="' + this.constants.physics.repulsion.nodeDistance + '" id="graph_R_nd_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">centralGravity</td><td>0</td><td><input type="range" min="0" max="3" value="' + this.constants.physics.repulsion.centralGravity + '" step="0.05" style="width:300px" id="graph_R_cg"></td><td>3</td><td><input value="' + this.constants.physics.repulsion.centralGravity + '" id="graph_R_cg_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">springLength</td><td>0</td><td><input type="range" min="0" max="500" value="' + this.constants.physics.repulsion.springLength + '" step="1" style="width:300px" id="graph_R_sl"></td><td>500</td><td><input value="' + this.constants.physics.repulsion.springLength + '" id="graph_R_sl_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">springConstant</td><td>0</td><td><input type="range" min="0" max="0.5" value="' + this.constants.physics.repulsion.springConstant + '" step="0.001" style="width:300px" id="graph_R_sc"></td><td>0.5</td><td><input value="' + this.constants.physics.repulsion.springConstant + '" id="graph_R_sc_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">damping</td><td>0</td><td><input type="range" min="0" max="0.3" value="' + this.constants.physics.repulsion.damping + '" step="0.005" style="width:300px" id="graph_R_damp"></td><td>0.3</td><td><input value="' + this.constants.physics.repulsion.damping + '" id="graph_R_damp_value" style="width:60px"></td>' +
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'</tr>' +
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'</table>' +
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'<table id="graph_H_table" style="display:none">' +
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'<tr><td width="150"><b>Hierarchical</b></td></tr>' +
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'<tr>' +
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'<td width="150px">nodeDistance</td><td>0</td><td><input type="range" min="0" max="300" value="' + this.constants.physics.hierarchicalRepulsion.nodeDistance + '" step="1" style="width:300px" id="graph_H_nd"></td><td width="50px">300</td><td><input value="' + this.constants.physics.hierarchicalRepulsion.nodeDistance + '" id="graph_H_nd_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">centralGravity</td><td>0</td><td><input type="range" min="0" max="3" value="' + this.constants.physics.hierarchicalRepulsion.centralGravity + '" step="0.05" style="width:300px" id="graph_H_cg"></td><td>3</td><td><input value="' + this.constants.physics.hierarchicalRepulsion.centralGravity + '" id="graph_H_cg_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">springLength</td><td>0</td><td><input type="range" min="0" max="500" value="' + this.constants.physics.hierarchicalRepulsion.springLength + '" step="1" style="width:300px" id="graph_H_sl"></td><td>500</td><td><input value="' + this.constants.physics.hierarchicalRepulsion.springLength + '" id="graph_H_sl_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">springConstant</td><td>0</td><td><input type="range" min="0" max="0.5" value="' + this.constants.physics.hierarchicalRepulsion.springConstant + '" step="0.001" style="width:300px" id="graph_H_sc"></td><td>0.5</td><td><input value="' + this.constants.physics.hierarchicalRepulsion.springConstant + '" id="graph_H_sc_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">damping</td><td>0</td><td><input type="range" min="0" max="0.3" value="' + this.constants.physics.hierarchicalRepulsion.damping + '" step="0.005" style="width:300px" id="graph_H_damp"></td><td>0.3</td><td><input value="' + this.constants.physics.hierarchicalRepulsion.damping + '" id="graph_H_damp_value" style="width:60px"></td>' +
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'</tr>' +
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'<tr>' +
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'<td width="150px">direction</td><td>1</td><td><input type="range" min="0" max="3" value="' + hierarchicalLayoutDirections.indexOf(this.constants.hierarchicalLayout.direction) + '" step="1" style="width:300px" id="graph_H_direction"></td><td>4</td><td><input value="' + this.constants.hierarchicalLayout.direction + '" id="graph_H_direction_value" style="width:60px"></td>' +
|
|
'</tr>' +
|
|
'<tr>' +
|
|
'<td width="150px">levelSeparation</td><td>1</td><td><input type="range" min="0" max="500" value="' + this.constants.hierarchicalLayout.levelSeparation + '" step="1" style="width:300px" id="graph_H_levsep"></td><td>500</td><td><input value="' + this.constants.hierarchicalLayout.levelSeparation + '" id="graph_H_levsep_value" style="width:60px"></td>' +
|
|
'</tr>' +
|
|
'<tr>' +
|
|
'<td width="150px">nodeSpacing</td><td>1</td><td><input type="range" min="0" max="500" value="' + this.constants.hierarchicalLayout.nodeSpacing + '" step="1" style="width:300px" id="graph_H_nspac"></td><td>500</td><td><input value="' + this.constants.hierarchicalLayout.nodeSpacing + '" id="graph_H_nspac_value" style="width:60px"></td>' +
|
|
'</tr>' +
|
|
'</table>' +
|
|
'<table><tr><td><b>Options:</b></td></tr>' +
|
|
'<tr>' +
|
|
'<td width="180px"><input type="button" id="graph_toggleSmooth" value="Toggle smoothCurves" style="width:150px"></td>' +
|
|
'<td width="180px"><input type="button" id="graph_repositionNodes" value="Reinitialize" style="width:150px"></td>' +
|
|
'<td width="180px"><input type="button" id="graph_generateOptions" value="Generate Options" style="width:150px"></td>' +
|
|
'</tr>' +
|
|
'</table>'
|
|
this.containerElement.parentElement.insertBefore(this.physicsConfiguration, this.containerElement);
|
|
this.optionsDiv = document.createElement("div");
|
|
this.optionsDiv.style.fontSize = "14px";
|
|
this.optionsDiv.style.fontFamily = "verdana";
|
|
this.containerElement.parentElement.insertBefore(this.optionsDiv, this.containerElement);
|
|
|
|
var rangeElement;
|
|
rangeElement = document.getElementById('graph_BH_gc');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_gc', -1, "physics_barnesHut_gravitationalConstant");
|
|
rangeElement = document.getElementById('graph_BH_cg');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_cg', 1, "physics_centralGravity");
|
|
rangeElement = document.getElementById('graph_BH_sc');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sc', 1, "physics_springConstant");
|
|
rangeElement = document.getElementById('graph_BH_sl');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_sl', 1, "physics_springLength");
|
|
rangeElement = document.getElementById('graph_BH_damp');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_BH_damp', 1, "physics_damping");
|
|
|
|
rangeElement = document.getElementById('graph_R_nd');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_nd', 1, "physics_repulsion_nodeDistance");
|
|
rangeElement = document.getElementById('graph_R_cg');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_cg', 1, "physics_centralGravity");
|
|
rangeElement = document.getElementById('graph_R_sc');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sc', 1, "physics_springConstant");
|
|
rangeElement = document.getElementById('graph_R_sl');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_sl', 1, "physics_springLength");
|
|
rangeElement = document.getElementById('graph_R_damp');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_R_damp', 1, "physics_damping");
|
|
|
|
rangeElement = document.getElementById('graph_H_nd');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance");
|
|
rangeElement = document.getElementById('graph_H_cg');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_cg', 1, "physics_centralGravity");
|
|
rangeElement = document.getElementById('graph_H_sc');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sc', 1, "physics_springConstant");
|
|
rangeElement = document.getElementById('graph_H_sl');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_sl', 1, "physics_springLength");
|
|
rangeElement = document.getElementById('graph_H_damp');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_damp', 1, "physics_damping");
|
|
rangeElement = document.getElementById('graph_H_direction');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_direction', hierarchicalLayoutDirections, "hierarchicalLayout_direction");
|
|
rangeElement = document.getElementById('graph_H_levsep');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_levsep', 1, "hierarchicalLayout_levelSeparation");
|
|
rangeElement = document.getElementById('graph_H_nspac');
|
|
rangeElement.onchange = showValueOfRange.bind(this, 'graph_H_nspac', 1, "hierarchicalLayout_nodeSpacing");
|
|
|
|
var radioButton1 = document.getElementById("graph_physicsMethod1");
|
|
var radioButton2 = document.getElementById("graph_physicsMethod2");
|
|
var radioButton3 = document.getElementById("graph_physicsMethod3");
|
|
radioButton2.checked = true;
|
|
if (this.constants.physics.barnesHut.enabled) {
|
|
radioButton1.checked = true;
|
|
}
|
|
if (this.constants.hierarchicalLayout.enabled) {
|
|
radioButton3.checked = true;
|
|
}
|
|
|
|
var graph_toggleSmooth = document.getElementById("graph_toggleSmooth");
|
|
var graph_repositionNodes = document.getElementById("graph_repositionNodes");
|
|
var graph_generateOptions = document.getElementById("graph_generateOptions");
|
|
|
|
graph_toggleSmooth.onclick = graphToggleSmoothCurves.bind(this);
|
|
graph_repositionNodes.onclick = graphRepositionNodes.bind(this);
|
|
graph_generateOptions.onclick = graphGenerateOptions.bind(this);
|
|
if (this.constants.smoothCurves == true && this.constants.dynamicSmoothCurves == false) {
|
|
graph_toggleSmooth.style.background = "#A4FF56";
|
|
}
|
|
else {
|
|
graph_toggleSmooth.style.background = "#FF8532";
|
|
}
|
|
|
|
|
|
switchConfigurations.apply(this);
|
|
|
|
radioButton1.onchange = switchConfigurations.bind(this);
|
|
radioButton2.onchange = switchConfigurations.bind(this);
|
|
radioButton3.onchange = switchConfigurations.bind(this);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* This overwrites the this.constants.
|
|
*
|
|
* @param constantsVariableName
|
|
* @param value
|
|
* @private
|
|
*/
|
|
exports._overWriteGraphConstants = function (constantsVariableName, value) {
|
|
var nameArray = constantsVariableName.split("_");
|
|
if (nameArray.length == 1) {
|
|
this.constants[nameArray[0]] = value;
|
|
}
|
|
else if (nameArray.length == 2) {
|
|
this.constants[nameArray[0]][nameArray[1]] = value;
|
|
}
|
|
else if (nameArray.length == 3) {
|
|
this.constants[nameArray[0]][nameArray[1]][nameArray[2]] = value;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* this function is bound to the toggle smooth curves button. That is also why it is not in the prototype.
|
|
*/
|
|
function graphToggleSmoothCurves () {
|
|
this.constants.smoothCurves.enabled = !this.constants.smoothCurves.enabled;
|
|
var graph_toggleSmooth = document.getElementById("graph_toggleSmooth");
|
|
if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";}
|
|
else {graph_toggleSmooth.style.background = "#FF8532";}
|
|
|
|
this._configureSmoothCurves(false);
|
|
}
|
|
|
|
/**
|
|
* this function is used to scramble the nodes
|
|
*
|
|
*/
|
|
function graphRepositionNodes () {
|
|
for (var nodeId in this.calculationNodes) {
|
|
if (this.calculationNodes.hasOwnProperty(nodeId)) {
|
|
this.calculationNodes[nodeId].vx = 0; this.calculationNodes[nodeId].vy = 0;
|
|
this.calculationNodes[nodeId].fx = 0; this.calculationNodes[nodeId].fy = 0;
|
|
}
|
|
}
|
|
if (this.constants.hierarchicalLayout.enabled == true) {
|
|
this._setupHierarchicalLayout();
|
|
showValueOfRange.call(this, 'graph_H_nd', 1, "physics_hierarchicalRepulsion_nodeDistance");
|
|
showValueOfRange.call(this, 'graph_H_cg', 1, "physics_centralGravity");
|
|
showValueOfRange.call(this, 'graph_H_sc', 1, "physics_springConstant");
|
|
showValueOfRange.call(this, 'graph_H_sl', 1, "physics_springLength");
|
|
showValueOfRange.call(this, 'graph_H_damp', 1, "physics_damping");
|
|
}
|
|
else {
|
|
this.repositionNodes();
|
|
}
|
|
this.moving = true;
|
|
this.start();
|
|
}
|
|
|
|
/**
|
|
* this is used to generate an options file from the playing with physics system.
|
|
*/
|
|
function graphGenerateOptions () {
|
|
var options = "No options are required, default values used.";
|
|
var optionsSpecific = [];
|
|
var radioButton1 = document.getElementById("graph_physicsMethod1");
|
|
var radioButton2 = document.getElementById("graph_physicsMethod2");
|
|
if (radioButton1.checked == true) {
|
|
if (this.constants.physics.barnesHut.gravitationalConstant != this.backupConstants.physics.barnesHut.gravitationalConstant) {optionsSpecific.push("gravitationalConstant: " + this.constants.physics.barnesHut.gravitationalConstant);}
|
|
if (this.constants.physics.centralGravity != this.backupConstants.physics.barnesHut.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);}
|
|
if (this.constants.physics.springLength != this.backupConstants.physics.barnesHut.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);}
|
|
if (this.constants.physics.springConstant != this.backupConstants.physics.barnesHut.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);}
|
|
if (this.constants.physics.damping != this.backupConstants.physics.barnesHut.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);}
|
|
if (optionsSpecific.length != 0) {
|
|
options = "var options = {";
|
|
options += "physics: {barnesHut: {";
|
|
for (var i = 0; i < optionsSpecific.length; i++) {
|
|
options += optionsSpecific[i];
|
|
if (i < optionsSpecific.length - 1) {
|
|
options += ", "
|
|
}
|
|
}
|
|
options += '}}'
|
|
}
|
|
if (this.constants.smoothCurves.enabled != this.backupConstants.smoothCurves.enabled) {
|
|
if (optionsSpecific.length == 0) {options = "var options = {";}
|
|
else {options += ", "}
|
|
options += "smoothCurves: " + this.constants.smoothCurves.enabled;
|
|
}
|
|
if (options != "No options are required, default values used.") {
|
|
options += '};'
|
|
}
|
|
}
|
|
else if (radioButton2.checked == true) {
|
|
options = "var options = {";
|
|
options += "physics: {barnesHut: {enabled: false}";
|
|
if (this.constants.physics.repulsion.nodeDistance != this.backupConstants.physics.repulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.repulsion.nodeDistance);}
|
|
if (this.constants.physics.centralGravity != this.backupConstants.physics.repulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);}
|
|
if (this.constants.physics.springLength != this.backupConstants.physics.repulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);}
|
|
if (this.constants.physics.springConstant != this.backupConstants.physics.repulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);}
|
|
if (this.constants.physics.damping != this.backupConstants.physics.repulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);}
|
|
if (optionsSpecific.length != 0) {
|
|
options += ", repulsion: {";
|
|
for (var i = 0; i < optionsSpecific.length; i++) {
|
|
options += optionsSpecific[i];
|
|
if (i < optionsSpecific.length - 1) {
|
|
options += ", "
|
|
}
|
|
}
|
|
options += '}}'
|
|
}
|
|
if (optionsSpecific.length == 0) {options += "}"}
|
|
if (this.constants.smoothCurves != this.backupConstants.smoothCurves) {
|
|
options += ", smoothCurves: " + this.constants.smoothCurves;
|
|
}
|
|
options += '};'
|
|
}
|
|
else {
|
|
options = "var options = {";
|
|
if (this.constants.physics.hierarchicalRepulsion.nodeDistance != this.backupConstants.physics.hierarchicalRepulsion.nodeDistance) {optionsSpecific.push("nodeDistance: " + this.constants.physics.hierarchicalRepulsion.nodeDistance);}
|
|
if (this.constants.physics.centralGravity != this.backupConstants.physics.hierarchicalRepulsion.centralGravity) {optionsSpecific.push("centralGravity: " + this.constants.physics.centralGravity);}
|
|
if (this.constants.physics.springLength != this.backupConstants.physics.hierarchicalRepulsion.springLength) {optionsSpecific.push("springLength: " + this.constants.physics.springLength);}
|
|
if (this.constants.physics.springConstant != this.backupConstants.physics.hierarchicalRepulsion.springConstant) {optionsSpecific.push("springConstant: " + this.constants.physics.springConstant);}
|
|
if (this.constants.physics.damping != this.backupConstants.physics.hierarchicalRepulsion.damping) {optionsSpecific.push("damping: " + this.constants.physics.damping);}
|
|
if (optionsSpecific.length != 0) {
|
|
options += "physics: {hierarchicalRepulsion: {";
|
|
for (var i = 0; i < optionsSpecific.length; i++) {
|
|
options += optionsSpecific[i];
|
|
if (i < optionsSpecific.length - 1) {
|
|
options += ", ";
|
|
}
|
|
}
|
|
options += '}},';
|
|
}
|
|
options += 'hierarchicalLayout: {';
|
|
optionsSpecific = [];
|
|
if (this.constants.hierarchicalLayout.direction != this.backupConstants.hierarchicalLayout.direction) {optionsSpecific.push("direction: " + this.constants.hierarchicalLayout.direction);}
|
|
if (Math.abs(this.constants.hierarchicalLayout.levelSeparation) != this.backupConstants.hierarchicalLayout.levelSeparation) {optionsSpecific.push("levelSeparation: " + this.constants.hierarchicalLayout.levelSeparation);}
|
|
if (this.constants.hierarchicalLayout.nodeSpacing != this.backupConstants.hierarchicalLayout.nodeSpacing) {optionsSpecific.push("nodeSpacing: " + this.constants.hierarchicalLayout.nodeSpacing);}
|
|
if (optionsSpecific.length != 0) {
|
|
for (var i = 0; i < optionsSpecific.length; i++) {
|
|
options += optionsSpecific[i];
|
|
if (i < optionsSpecific.length - 1) {
|
|
options += ", "
|
|
}
|
|
}
|
|
options += '}'
|
|
}
|
|
else {
|
|
options += "enabled:true}";
|
|
}
|
|
options += '};'
|
|
}
|
|
|
|
|
|
this.optionsDiv.innerHTML = options;
|
|
}
|
|
|
|
/**
|
|
* this is used to switch between barnesHut, repulsion and hierarchical.
|
|
*
|
|
*/
|
|
function switchConfigurations () {
|
|
var ids = ["graph_BH_table", "graph_R_table", "graph_H_table"];
|
|
var radioButton = document.querySelector('input[name="graph_physicsMethod"]:checked').value;
|
|
var tableId = "graph_" + radioButton + "_table";
|
|
var table = document.getElementById(tableId);
|
|
table.style.display = "block";
|
|
for (var i = 0; i < ids.length; i++) {
|
|
if (ids[i] != tableId) {
|
|
table = document.getElementById(ids[i]);
|
|
table.style.display = "none";
|
|
}
|
|
}
|
|
this._restoreNodes();
|
|
if (radioButton == "R") {
|
|
this.constants.hierarchicalLayout.enabled = false;
|
|
this.constants.physics.hierarchicalRepulsion.enabled = false;
|
|
this.constants.physics.barnesHut.enabled = false;
|
|
}
|
|
else if (radioButton == "H") {
|
|
if (this.constants.hierarchicalLayout.enabled == false) {
|
|
this.constants.hierarchicalLayout.enabled = true;
|
|
this.constants.physics.hierarchicalRepulsion.enabled = true;
|
|
this.constants.physics.barnesHut.enabled = false;
|
|
this.constants.smoothCurves.enabled = false;
|
|
this._setupHierarchicalLayout();
|
|
}
|
|
}
|
|
else {
|
|
this.constants.hierarchicalLayout.enabled = false;
|
|
this.constants.physics.hierarchicalRepulsion.enabled = false;
|
|
this.constants.physics.barnesHut.enabled = true;
|
|
}
|
|
this._loadSelectedForceSolver();
|
|
var graph_toggleSmooth = document.getElementById("graph_toggleSmooth");
|
|
if (this.constants.smoothCurves.enabled == true) {graph_toggleSmooth.style.background = "#A4FF56";}
|
|
else {graph_toggleSmooth.style.background = "#FF8532";}
|
|
this.moving = true;
|
|
this.start();
|
|
}
|
|
|
|
|
|
/**
|
|
* this generates the ranges depending on the iniital values.
|
|
*
|
|
* @param id
|
|
* @param map
|
|
* @param constantsVariableName
|
|
*/
|
|
function showValueOfRange (id,map,constantsVariableName) {
|
|
var valueId = id + "_value";
|
|
var rangeValue = document.getElementById(id).value;
|
|
|
|
if (Array.isArray(map)) {
|
|
document.getElementById(valueId).value = map[parseInt(rangeValue)];
|
|
this._overWriteGraphConstants(constantsVariableName,map[parseInt(rangeValue)]);
|
|
}
|
|
else {
|
|
document.getElementById(valueId).value = parseInt(map) * parseFloat(rangeValue);
|
|
this._overWriteGraphConstants(constantsVariableName, parseInt(map) * parseFloat(rangeValue));
|
|
}
|
|
|
|
if (constantsVariableName == "hierarchicalLayout_direction" ||
|
|
constantsVariableName == "hierarchicalLayout_levelSeparation" ||
|
|
constantsVariableName == "hierarchicalLayout_nodeSpacing") {
|
|
this._setupHierarchicalLayout();
|
|
}
|
|
this.moving = true;
|
|
this.start();
|
|
}
|
|
|
|
|