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scatter-gl.js
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scatter-gl.js
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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("THREE"));
else if(typeof define === 'function' && define.amd)
define(["THREE"], factory);
else {
var a = typeof exports === 'object' ? factory(require("THREE")) : factory(root["THREE"]);
for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
}
})(window, function(__WEBPACK_EXTERNAL_MODULE__0__) {
return /******/ (function(modules) { // webpackBootstrap
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/* 0 */
/***/ (function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE__0__;
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var THREE = __webpack_require__(0);
function vector3DToScreenCoords(cam, w, h, v) {
var dpr = window.devicePixelRatio;
var pv = new THREE.Vector3().copy(v).project(cam);
var coords = [
((pv.x + 1) / 2) * w * dpr,
-(((pv.y - 1) / 2) * h) * dpr,
];
return coords;
}
exports.vector3DToScreenCoords = vector3DToScreenCoords;
function vector3FromPackedArray(a, pointIndex) {
var offset = pointIndex * 3;
return new THREE.Vector3(a[offset], a[offset + 1], a[offset + 2]);
}
exports.vector3FromPackedArray = vector3FromPackedArray;
function getNearFarPoints(worldSpacePoints, cameraPos, cameraTarget) {
var shortestDist = Infinity;
var furthestDist = 0;
var camToTarget = new THREE.Vector3().copy(cameraTarget).sub(cameraPos);
var camPlaneNormal = new THREE.Vector3().copy(camToTarget).normalize();
var n = worldSpacePoints.length / 3;
var src = 0;
var p = new THREE.Vector3();
var camToPoint = new THREE.Vector3();
for (var i = 0; i < n; i++) {
p.x = worldSpacePoints[src];
p.y = worldSpacePoints[src + 1];
p.z = worldSpacePoints[src + 2];
src += 3;
camToPoint.copy(p).sub(cameraPos);
var dist = camPlaneNormal.dot(camToPoint);
if (dist < 0) {
continue;
}
furthestDist = dist > furthestDist ? dist : furthestDist;
shortestDist = dist < shortestDist ? dist : shortestDist;
}
return [shortestDist, furthestDist];
}
exports.getNearFarPoints = getNearFarPoints;
function prepareTexture(texture, needsUpdate) {
if (needsUpdate === void 0) { needsUpdate = true; }
texture.needsUpdate = needsUpdate;
texture.minFilter = THREE.LinearFilter;
texture.generateMipmaps = false;
texture.flipY = false;
return texture;
}
function createTextureFromCanvas(image) {
var texture = new THREE.Texture(image);
return prepareTexture(texture);
}
exports.createTextureFromCanvas = createTextureFromCanvas;
function createTextureFromImage(image, onImageLoad) {
var texture = new THREE.Texture(image);
image.onload = function () {
texture.needsUpdate = true;
onImageLoad();
};
return prepareTexture(texture, false);
}
exports.createTextureFromImage = createTextureFromImage;
function hasWebGLSupport() {
try {
var c = document.createElement('canvas');
var gl = c.getContext('webgl') || c.getContext('experimental-webgl');
return gl != null;
}
catch (e) {
return false;
}
}
exports.hasWebGLSupport = hasWebGLSupport;
function extent(data) {
var minimum = Infinity;
var maximum = -Infinity;
for (var i = 0; i < data.length; i++) {
var item = data[i];
if (item < minimum)
minimum = item;
if (item > maximum)
maximum = item;
}
return [minimum, maximum];
}
exports.extent = extent;
function scaleLinear(value, domain, range) {
var domainDifference = domain[1] - domain[0];
var rangeDifference = range[1] - range[0];
var percentDomain = (value - domain[0]) / domainDifference;
return percentDomain * rangeDifference + range[0];
}
exports.scaleLinear = scaleLinear;
function scaleExponential(value, domain, range) {
var domainDifference = Math.pow(domain[1], Math.E) - Math.pow(domain[0], Math.E);
var rangeDifference = range[1] - range[0];
var percentDomain = (Math.pow(value, Math.E) - domain[0]) / domainDifference;
return percentDomain * rangeDifference + range[0];
}
exports.scaleExponential = scaleExponential;
function packRgbIntoUint8Array(rgbArray, labelIndex, r, g, b) {
rgbArray[labelIndex * 3] = r;
rgbArray[labelIndex * 3 + 1] = g;
rgbArray[labelIndex * 3 + 2] = b;
}
exports.packRgbIntoUint8Array = packRgbIntoUint8Array;
function styleRgbFromHexColor(hex) {
var c = new THREE.Color(hex);
return [(c.r * 255) | 0, (c.g * 255) | 0, (c.b * 255) | 0];
}
exports.styleRgbFromHexColor = styleRgbFromHexColor;
var toPercent = function (percent) { return 100 * percent + "%"; };
function getDefaultPointInPolylineColor(index, totalPoints, startHue, endHue, saturation, lightness) {
var hue = startHue + ((endHue - startHue) * index) / totalPoints;
var hsl = "hsl(" + hue + ", " + toPercent(saturation) + ", " + toPercent(lightness) + ")";
return new THREE.Color(hsl);
}
exports.getDefaultPointInPolylineColor = getDefaultPointInPolylineColor;
/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var LabelRenderParams = (function () {
function LabelRenderParams(pointIndices, labelStrings, scaleFactors, useSceneOpacityFlags, defaultFontSize, fillColors, strokeColors) {
this.pointIndices = pointIndices;
this.labelStrings = labelStrings;
this.scaleFactors = scaleFactors;
this.useSceneOpacityFlags = useSceneOpacityFlags;
this.defaultFontSize = defaultFontSize;
this.fillColors = fillColors;
this.strokeColors = strokeColors;
}
return LabelRenderParams;
}());
exports.LabelRenderParams = LabelRenderParams;
var CameraType;
(function (CameraType) {
CameraType[CameraType["Perspective"] = 0] = "Perspective";
CameraType[CameraType["Orthographic"] = 1] = "Orthographic";
})(CameraType = exports.CameraType || (exports.CameraType = {}));
var RenderContext = (function () {
function RenderContext(camera, cameraType, cameraTarget, screenWidth, screenHeight, nearestCameraSpacePointZ, farthestCameraSpacePointZ, backgroundColor, pointColors, pointScaleFactors, labels, polylineColors, polylineOpacities, polylineWidths) {
this.camera = camera;
this.cameraType = cameraType;
this.cameraTarget = cameraTarget;
this.screenWidth = screenWidth;
this.screenHeight = screenHeight;
this.nearestCameraSpacePointZ = nearestCameraSpacePointZ;
this.farthestCameraSpacePointZ = farthestCameraSpacePointZ;
this.backgroundColor = backgroundColor;
this.pointColors = pointColors;
this.pointScaleFactors = pointScaleFactors;
this.labels = labels;
this.polylineColors = polylineColors;
this.polylineOpacities = polylineOpacities;
this.polylineWidths = polylineWidths;
}
return RenderContext;
}());
exports.RenderContext = RenderContext;
/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RGB_NUM_ELEMENTS = 3;
exports.XYZ_NUM_ELEMENTS = 3;
exports.UV_NUM_ELEMENTS = 2;
exports.INDEX_NUM_ELEMENTS = 1;
exports.SCATTER_PLOT_CUBE_LENGTH = 2;
/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var scatter_gl_1 = __webpack_require__(5);
exports.ScatterGL = scatter_gl_1.ScatterGL;
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var THREE = __webpack_require__(0);
var scatter_plot_1 = __webpack_require__(6);
var data_1 = __webpack_require__(10);
var render_1 = __webpack_require__(2);
var styles_1 = __webpack_require__(11);
var util = __webpack_require__(1);
var constants_1 = __webpack_require__(3);
var scatter_plot_visualizer_3d_labels_1 = __webpack_require__(12);
var scatter_plot_visualizer_sprites_1 = __webpack_require__(13);
var scatter_plot_visualizer_canvas_labels_1 = __webpack_require__(14);
var scatter_plot_visualizer_polylines_1 = __webpack_require__(16);
var ScatterGL = (function () {
function ScatterGL(containerElement, params) {
var _this = this;
if (params === void 0) { params = {}; }
this.pointColorer = null;
this.sequences = [];
this.renderMode = "POINT";
this.rotateOnStart = true;
this.selectEnabled = true;
this.showLabelsOnHover = true;
this.hoverPointIndex = null;
this.selectedPointIndices = [];
this.clickCallback = function () { };
this.hoverCallback = function () { };
this.selectCallback = function () { };
this.onHover = function (pointIndex) {
_this.hoverCallback(pointIndex);
_this.hoverPointIndex = pointIndex;
_this.updateScatterPlotAttributes();
_this.renderScatterPlot();
};
this.onClick = function (pointIndex) {
_this.clickCallback(pointIndex);
};
this.onSelect = function (pointIndices) {
if (!_this.selectEnabled)
return;
_this.selectCallback(pointIndices);
_this.selectedPointIndices = pointIndices;
_this.updateScatterPlotAttributes();
_this.renderScatterPlot();
};
this.containerElement = containerElement;
this.styles = styles_1.makeStyles(params.styles);
this.setParameters(params);
this.scatterPlot = new scatter_plot_1.ScatterPlot(containerElement, {
camera: params.camera,
onClick: this.onClick,
onHover: this.onHover,
onSelect: this.onSelect,
styles: this.styles,
});
}
ScatterGL.prototype.setParameters = function (p) {
if (p.onClick !== undefined)
this.clickCallback = p.onClick;
if (p.onHover !== undefined)
this.hoverCallback = p.onHover;
if (p.onSelect !== undefined)
this.selectCallback = p.onSelect;
if (p.pointColorer !== undefined)
this.pointColorer = p.pointColorer;
if (p.renderMode !== undefined)
this.renderMode = p.renderMode;
if (p.rotateOnStart !== undefined)
this.rotateOnStart = p.rotateOnStart;
if (p.selectEnabled !== undefined)
this.selectEnabled = p.selectEnabled;
if (p.showLabelsOnHover !== undefined)
this.showLabelsOnHover = p.showLabelsOnHover;
};
ScatterGL.prototype.render = function (dataset) {
this.updateDataset(dataset);
this.setVisualizers();
if (this.rotateOnStart) {
this.scatterPlot.startOrbitAnimation();
}
};
ScatterGL.prototype.renderScatterPlot = function () {
if (this.dataset)
this.scatterPlot.render();
};
ScatterGL.prototype.setRenderMode = function (renderMode) {
this.renderMode = renderMode;
this.setVisualizers();
this.updateScatterPlotAttributes();
this.updateScatterPlotPositions();
};
ScatterGL.prototype.setTextRenderMode = function () {
this.setRenderMode("TEXT");
this.renderScatterPlot();
};
ScatterGL.prototype.setPointRenderMode = function () {
this.setRenderMode("POINT");
this.renderScatterPlot();
};
ScatterGL.prototype.setSpriteRenderMode = function () {
if (this.dataset && this.dataset.spriteMetadata) {
this.setRenderMode("SPRITE");
this.renderScatterPlot();
}
};
ScatterGL.prototype.setSequences = function (sequences) {
this.sequences = sequences;
this.updatePolylineAttributes();
this.setVisualizers();
this.renderScatterPlot();
};
ScatterGL.prototype.setPanMode = function () {
this.scatterPlot.setInteractionMode("PAN");
};
ScatterGL.prototype.setSelectMode = function () {
this.scatterPlot.setInteractionMode("SELECT");
};
ScatterGL.prototype.setDimensions = function (nDimensions) {
var outsideRange = nDimensions < 2 || nDimensions > 3;
var moreThanDataset = this.dataset && nDimensions > this.dataset.dimensions;
if (outsideRange || moreThanDataset) {
throw new RangeError('Setting invalid dimensionality');
}
else {
this.scatterPlot.setDimensions(nDimensions);
this.renderScatterPlot();
}
};
ScatterGL.prototype.setPointColorer = function (pointColorer) {
this.pointColorer = pointColorer;
this.updateScatterPlotAttributes();
this.renderScatterPlot();
};
ScatterGL.prototype.resize = function () {
this.scatterPlot.resize();
};
ScatterGL.prototype.updateDataset = function (dataset) {
this.setDataset(dataset);
this.scatterPlot.setDimensions(dataset.dimensions);
this.updateScatterPlotAttributes();
this.updateScatterPlotPositions();
this.renderScatterPlot();
};
ScatterGL.prototype.startOrbitAnimation = function () {
this.scatterPlot.startOrbitAnimation();
};
ScatterGL.prototype.setDataset = function (dataset) {
this.dataset = dataset;
if (this.labels3DVisualizer) {
this.labels3DVisualizer.setLabelStrings(this.generate3DLabelsArray());
}
};
ScatterGL.prototype.updateScatterPlotPositions = function () {
var dataset = this.dataset;
if (!dataset)
return;
var newPositions = this.generatePointPositionArray(dataset);
this.scatterPlot.setPointPositions(newPositions);
};
ScatterGL.prototype.updateScatterPlotAttributes = function () {
var dataset = this.dataset;
if (!dataset)
return;
var pointColors = this.generatePointColorArray(dataset);
var pointScaleFactors = this.generatePointScaleFactorArray(dataset);
var labels = this.generateVisibleLabelRenderParams(dataset);
this.scatterPlot.setPointColors(pointColors);
this.scatterPlot.setPointScaleFactors(pointScaleFactors);
this.scatterPlot.setLabels(labels);
};
ScatterGL.prototype.updatePolylineAttributes = function () {
var dataset = this.dataset;
if (!dataset)
return;
var polylineColors = this.generateLineSegmentColorMap(dataset);
var polylineOpacities = this.generateLineSegmentOpacityArray(dataset);
var polylineWidths = this.generateLineSegmentWidthArray(dataset);
this.scatterPlot.setPolylineColors(polylineColors);
this.scatterPlot.setPolylineOpacities(polylineOpacities);
this.scatterPlot.setPolylineWidths(polylineWidths);
};
ScatterGL.prototype.generatePointPositionArray = function (dataset) {
var xExtent = [0, 0];
var yExtent = [0, 0];
var zExtent = [0, 0];
xExtent = util.extent(dataset.points.map(function (p) { return p[0]; }));
yExtent = util.extent(dataset.points.map(function (p) { return p[1]; }));
if (dataset.dimensions === 3) {
zExtent = util.extent(dataset.points.map(function (p) { return p[2]; }));
}
var getRange = function (extent) { return Math.abs(extent[1] - extent[0]); };
var xRange = getRange(xExtent);
var yRange = getRange(yExtent);
var zRange = getRange(zExtent);
var maxRange = Math.max(xRange, yRange, zRange);
var halfCube = constants_1.SCATTER_PLOT_CUBE_LENGTH / 2;
var makeScaleRange = function (range, base) { return [
-base * (range / maxRange),
base * (range / maxRange),
]; };
var xScale = makeScaleRange(xRange, halfCube);
var yScale = makeScaleRange(yRange, halfCube);
var zScale = makeScaleRange(zRange, halfCube);
var positions = new Float32Array(dataset.points.length * 3);
var dst = 0;
dataset.points.forEach(function (d, i) {
var vector = dataset.points[i];
positions[dst++] = util.scaleLinear(vector[0], xExtent, xScale);
positions[dst++] = util.scaleLinear(vector[1], yExtent, yScale);
if (dataset.dimensions === 3) {
positions[dst++] = util.scaleLinear(vector[2], zExtent, zScale);
}
else {
positions[dst++] = 0.0;
}
});
return positions;
};
ScatterGL.prototype.generateVisibleLabelRenderParams = function (dataset) {
var _a = this, hoverPointIndex = _a.hoverPointIndex, selectedPointIndices = _a.selectedPointIndices, styles = _a.styles;
var selectedPointCount = selectedPointIndices.length;
var n = selectedPointCount + (hoverPointIndex !== null ? 1 : 0);
var visibleLabels = new Uint32Array(n);
var scale = new Float32Array(n);
var opacityFlags = new Int8Array(n);
var fillColors = new Uint8Array(n * 3);
var strokeColors = new Uint8Array(n * 3);
var labelStrings = [];
scale.fill(styles.label.scaleDefault);
opacityFlags.fill(1);
var dst = 0;
if (hoverPointIndex !== null) {
labelStrings.push(this.getLabelText(hoverPointIndex));
visibleLabels[dst] = hoverPointIndex;
scale[dst] = styles.label.scaleLarge;
opacityFlags[dst] = 0;
var fillRgb = util.styleRgbFromHexColor(styles.label.fillColorHover);
util.packRgbIntoUint8Array(fillColors, dst, fillRgb[0], fillRgb[1], fillRgb[2]);
var strokeRgb = util.styleRgbFromHexColor(styles.label.strokeColorHover);
util.packRgbIntoUint8Array(strokeColors, dst, strokeRgb[0], strokeRgb[1], strokeRgb[1]);
++dst;
}
{
var n_1 = selectedPointCount;
var fillRgb = util.styleRgbFromHexColor(styles.label.fillColorSelected);
var strokeRgb = util.styleRgbFromHexColor(styles.label.strokeColorSelected);
for (var i = 0; i < n_1; ++i) {
var labelIndex = selectedPointIndices[i];
labelStrings.push(this.getLabelText(labelIndex));
visibleLabels[dst] = labelIndex;
scale[dst] = styles.label.scaleLarge;
opacityFlags[dst] = n_1 === 1 ? 0 : 1;
util.packRgbIntoUint8Array(fillColors, dst, fillRgb[0], fillRgb[1], fillRgb[2]);
util.packRgbIntoUint8Array(strokeColors, dst, strokeRgb[0], strokeRgb[1], strokeRgb[2]);
++dst;
}
}
return new render_1.LabelRenderParams(new Float32Array(visibleLabels), labelStrings, scale, opacityFlags, styles.label.fontSize, fillColors, strokeColors);
};
ScatterGL.prototype.generatePointScaleFactorArray = function (dataset) {
var _a = this, hoverPointIndex = _a.hoverPointIndex, selectedPointIndices = _a.selectedPointIndices, styles = _a.styles;
var _b = styles.point, scaleDefault = _b.scaleDefault, scaleSelected = _b.scaleSelected, scaleHover = _b.scaleHover;
var scale = new Float32Array(dataset.points.length);
scale.fill(scaleDefault);
var selectedPointCount = selectedPointIndices.length;
{
var n = selectedPointCount;
for (var i = 0; i < n; ++i) {
var p = selectedPointIndices[i];
scale[p] = scaleSelected;
}
}
if (hoverPointIndex != null) {
scale[hoverPointIndex] = scaleHover;
}
return scale;
};
ScatterGL.prototype.generatePointColorArray = function (dataset) {
var _a = this, hoverPointIndex = _a.hoverPointIndex, pointColorer = _a.pointColorer, selectedPointIndices = _a.selectedPointIndices, styles = _a.styles;
var _b = styles.point, colorHover = _b.colorHover, colorNoSelection = _b.colorNoSelection, colorSelected = _b.colorSelected, colorUnselected = _b.colorUnselected;
var selectedPointCount = selectedPointIndices.length;
var colors = new Float32Array(dataset.points.length * 3);
var unselectedColor = colorUnselected;
var noSelectionColor = colorNoSelection;
if (this.renderMode === "TEXT") {
unselectedColor = this.styles.label3D.colorUnselected;
noSelectionColor = this.styles.label3D.colorNoSelection;
}
if (this.renderMode === "SPRITE") {
unselectedColor = this.styles.sprites.colorUnselected;
noSelectionColor = this.styles.sprites.colorNoSelection;
}
{
var n = dataset.points.length;
var dst = 0;
if (selectedPointCount > 0) {
var c = new THREE.Color(unselectedColor);
for (var i = 0; i < n; ++i) {
colors[dst++] = c.r;
colors[dst++] = c.g;
colors[dst++] = c.b;
}
}
else {
if (pointColorer) {
for (var i = 0; i < n; ++i) {
var c = new THREE.Color(pointColorer(i) || noSelectionColor);
colors[dst++] = c.r;
colors[dst++] = c.g;
colors[dst++] = c.b;
}
}
else {
var c = new THREE.Color(noSelectionColor);
for (var i = 0; i < n; ++i) {
colors[dst++] = c.r;
colors[dst++] = c.g;
colors[dst++] = c.b;
}
}
}
}
{
var n = selectedPointCount;
var c = new THREE.Color(colorSelected);
for (var i = 0; i < n; ++i) {
var dst = selectedPointIndices[i] * 3;
colors[dst++] = c.r;
colors[dst++] = c.g;
colors[dst++] = c.b;
}
}
if (hoverPointIndex != null) {
var c = new THREE.Color(colorHover);
var dst = hoverPointIndex * 3;
colors[dst++] = c.r;
colors[dst++] = c.g;
colors[dst++] = c.b;
}
return colors;
};
ScatterGL.prototype.generate3DLabelsArray = function () {
var dataset = this.dataset;
if (!dataset)
return [];
var labels = [];
var n = dataset.points.length;
for (var i = 0; i < n; ++i) {
labels.push(this.getLabelText(i));
}
return labels;
};
ScatterGL.prototype.generateLineSegmentColorMap = function (dataset) {
var _a = this, pointColorer = _a.pointColorer, styles = _a.styles;
var polylineColorArrayMap = {};
for (var i = 0; i < this.sequences.length; i++) {
var sequence = this.sequences[i];
var colors = new Float32Array(2 * (sequence.indices.length - 1) * 3);
var colorIndex = 0;
if (pointColorer) {
for (var j = 0; j < sequence.indices.length - 1; j++) {
var c1 = new THREE.Color(pointColorer(sequence.indices[j]));
var c2 = new THREE.Color(pointColorer(sequence.indices[j + 1]));
colors[colorIndex++] = c1.r;
colors[colorIndex++] = c1.g;
colors[colorIndex++] = c1.b;
colors[colorIndex++] = c2.r;
colors[colorIndex++] = c2.g;
colors[colorIndex++] = c2.b;
}
}
else {
for (var j = 0; j < sequence.indices.length - 1; j++) {
var c1 = util.getDefaultPointInPolylineColor(j, sequence.indices.length, styles.polyline.startHue, styles.polyline.endHue, styles.polyline.saturation, styles.polyline.lightness);
var c2 = util.getDefaultPointInPolylineColor(j + 1, sequence.indices.length, styles.polyline.startHue, styles.polyline.endHue, styles.polyline.saturation, styles.polyline.lightness);
colors[colorIndex++] = c1.r;
colors[colorIndex++] = c1.g;
colors[colorIndex++] = c1.b;
colors[colorIndex++] = c2.r;
colors[colorIndex++] = c2.g;
colors[colorIndex++] = c2.b;
}
}
polylineColorArrayMap[i] = colors;
}
return polylineColorArrayMap;
};
ScatterGL.prototype.generateLineSegmentOpacityArray = function (dataset) {
var _a = this, selectedPointIndices = _a.selectedPointIndices, styles = _a.styles;
var opacities = new Float32Array(this.sequences.length);
var selectedPointCount = selectedPointIndices.length;
if (selectedPointCount > 0) {
opacities.fill(styles.polyline.deselectedOpacity);
var i = this.polylineVisualizer.getPointSequenceIndex(selectedPointIndices[0]);
if (i !== undefined)
opacities[i] = styles.polyline.selectedOpacity;
}
else {
opacities.fill(styles.polyline.defaultOpacity);
}
return opacities;
};
ScatterGL.prototype.generateLineSegmentWidthArray = function (dataset) {
var _a = this, selectedPointIndices = _a.selectedPointIndices, styles = _a.styles;
var widths = new Float32Array(this.sequences.length);
widths.fill(styles.polyline.defaultLineWidth);
var selectedPointCount = selectedPointIndices.length;
if (selectedPointCount > 0) {
var i = this.polylineVisualizer.getPointSequenceIndex(selectedPointIndices[0]);
if (i !== undefined)
widths[i] = styles.polyline.selectedLineWidth;
}
return widths;
};
ScatterGL.prototype.getLabelText = function (i) {
var dataset = this.dataset;
if (!dataset)
return '';
var metadata = dataset.metadata[i];
return metadata && metadata.label != null ? "" + metadata.label : '';
};
ScatterGL.prototype.initializeCanvasLabelsVisualizer = function () {
if (!this.canvasLabelsVisualizer) {
this.canvasLabelsVisualizer = new scatter_plot_visualizer_canvas_labels_1.ScatterPlotVisualizerCanvasLabels(this.containerElement, this.styles);
}
return this.canvasLabelsVisualizer;
};
ScatterGL.prototype.initialize3DLabelsVisualizer = function () {
if (!this.labels3DVisualizer) {
this.labels3DVisualizer = new scatter_plot_visualizer_3d_labels_1.ScatterPlotVisualizer3DLabels(this.styles);
}
this.labels3DVisualizer.setLabelStrings(this.generate3DLabelsArray());
return this.labels3DVisualizer;
};
ScatterGL.prototype.initializePointVisualizer = function () {
if (!this.pointVisualizer) {
this.pointVisualizer = new scatter_plot_visualizer_sprites_1.ScatterPlotVisualizerSprites(this.styles);
}
return this.pointVisualizer;
};
ScatterGL.prototype.initializeSpritesheetVisualizer = function () {
var _this = this;
var styles = this.styles;
var dataset = this.dataset;
var spriteMetadata = dataset.spriteMetadata;
if (!this.spritesheetVisualizer && spriteMetadata) {
if (!spriteMetadata.spriteImage || !spriteMetadata.singleSpriteSize) {
return;
}
var n = dataset.points.length;
var spriteIndices = new Float32Array(n);
for (var i = 0; i < n; ++i) {
spriteIndices[i] = i;
}
var onImageLoad = function () { return _this.renderScatterPlot(); };
var spritesheetVisualizer = new scatter_plot_visualizer_sprites_1.ScatterPlotVisualizerSprites(styles, {
spritesheetImage: spriteMetadata.spriteImage,
spriteDimensions: spriteMetadata.singleSpriteSize,
spriteIndices: spriteIndices,
onImageLoad: onImageLoad,
});
spritesheetVisualizer.id = 'SPRITE_SHEET_VISUALIZER';
this.spritesheetVisualizer = spritesheetVisualizer;
}
return this.spritesheetVisualizer;
};
ScatterGL.prototype.initializePolylineVisualizer = function () {
if (!this.polylineVisualizer) {
this.polylineVisualizer = new scatter_plot_visualizer_polylines_1.ScatterPlotVisualizerPolylines();
}
this.polylineVisualizer.setSequences(this.sequences);
return this.polylineVisualizer;
};
ScatterGL.prototype.setVisualizers = function () {
var _a = this, dataset = _a.dataset, renderMode = _a.renderMode;
var activeVisualizers = [];
if (renderMode === "TEXT") {
var visualizer = this.initialize3DLabelsVisualizer();
activeVisualizers.push(visualizer);
}
else if (renderMode === "POINT") {
var visualizer = this.initializePointVisualizer();
activeVisualizers.push(visualizer);
}
else if (renderMode === "SPRITE" && dataset.spriteMetadata) {
var visualizer = this.initializeSpritesheetVisualizer();
if (visualizer)
activeVisualizers.push(visualizer);
}
if (this.sequences.length > 0) {
var visualizer = this.initializePolylineVisualizer();
activeVisualizers.push(visualizer);
}
var textLabelsRenderMode = renderMode === "POINT" || renderMode === "SPRITE";
if (textLabelsRenderMode && this.showLabelsOnHover) {
var visualizer = this.initializeCanvasLabelsVisualizer();
activeVisualizers.push(visualizer);
}
this.scatterPlot.setActiveVisualizers(activeVisualizers);
};
ScatterGL.Dataset = data_1.Dataset;
return ScatterGL;
}());
exports.ScatterGL = ScatterGL;
/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var __values = (this && this.__values) || function (o) {
var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
if (m) return m.call(o);
return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
var THREE = __webpack_require__(0);
var orbit_controls_1 = __webpack_require__(7);
var render_1 = __webpack_require__(2);
var util = __webpack_require__(1);
var scatter_plot_rectangle_selector_1 = __webpack_require__(9);
var CUBE_LENGTH = 2;
var MAX_ZOOM = 5 * CUBE_LENGTH;
var MIN_ZOOM = 0.025 * CUBE_LENGTH;
var PERSP_CAMERA_FOV_VERTICAL = 70;
var PERSP_CAMERA_NEAR_CLIP_PLANE = 0.01;
var PERSP_CAMERA_FAR_CLIP_PLANE = 100;
var ORTHO_CAMERA_FRUSTUM_HALF_EXTENT = 1.2;
var SHIFT_KEY = 16;
var CTRL_KEY = 17;
var START_CAMERA_POS_3D = new THREE.Vector3(0.45, 0.9, 1.6);
var START_CAMERA_TARGET_3D = new THREE.Vector3(0, 0, 0);
var START_CAMERA_POS_2D = new THREE.Vector3(0, 0, 4);
var START_CAMERA_TARGET_2D = new THREE.Vector3(0, 0, 0);
var ORBIT_MOUSE_ROTATION_SPEED = 1;
var ORBIT_ANIMATION_ROTATION_CYCLE_IN_SECONDS = 7;
var ORBIT_ZOOM_SPEED = 0.125;
var ScatterPlot = (function () {
function ScatterPlot(containerElement, params) {
var _this = this;
this.clickCallback = function () { };
this.hoverCallback = function () { };
this.selectCallback = function () { };
this.visualizers = new Map();
this.onCameraMoveListeners = [];
this.height = 0;
this.width = 0;
this.dimensions = 3;
this.interactionMode = "PAN";
this.pickingTexture = new THREE.WebGLRenderTarget(0, 0);
this.orbitAnimationOnNextCameraCreation = false;
this.orbitAnimationId = null;
this.worldSpacePointPositions = new Float32Array();
this.pointColors = new Float32Array();
this.pointScaleFactors = new Float32Array();
this.polylineColors = {};
this.polylineOpacities = new Float32Array();
this.polylineWidths = new Float32Array();
this.selecting = false;
this.nearestPoint = null;
this.mouseIsDown = false;
this.isDragSequence = false;
this.lastHovered = null;
this.container = containerElement;
this.clickCallback = params.onClick || this.clickCallback;
this.hoverCallback = params.onHover || this.hoverCallback;
this.selectCallback = params.onSelect || this.selectCallback;
this.styles = params.styles;
this.computeLayoutValues();
this.scene = new THREE.Scene();
this.renderer = new THREE.WebGLRenderer({
alpha: true,
premultipliedAlpha: false,
antialias: false,
});
this.renderer.setClearColor(this.styles.backgroundColor, 1);
this.container.appendChild(this.renderer.domElement);
this.light = new THREE.PointLight(0xffecbf, 1, 0);
this.scene.add(this.light);
this.rectangleSelector = new scatter_plot_rectangle_selector_1.ScatterPlotRectangleSelector(this.container, function (boundingBox) { return _this.selectBoundingBox(boundingBox); }, this.styles);
this.addInteractionListeners();
this.setDimensions(3);
this.makeCamera(params.camera);
this.resize();
}
ScatterPlot.prototype.addInteractionListeners = function () {
this.container.addEventListener('mousemove', this.onMouseMove.bind(this));
this.container.addEventListener('mousedown', this.onMouseDown.bind(this));
this.container.addEventListener('mouseup', this.onMouseUp.bind(this));
this.container.addEventListener('click', this.onClick.bind(this));
window.addEventListener('keydown', this.onKeyDown.bind(this), false);
window.addEventListener('keyup', this.onKeyUp.bind(this), false);
};
ScatterPlot.prototype.addCameraControlsEventListeners = function (cameraControls) {
var _this = this;
cameraControls.addEventListener('start', function () {
_this.stopOrbitAnimation();
_this.onCameraMoveListeners.forEach(function (l) {
return l(_this.camera.position, cameraControls.target);
});
});
cameraControls.addEventListener('change', function () {
_this.render();
});
cameraControls.addEventListener('end', function () { });
};
ScatterPlot.prototype.makeOrbitControls = function (camera, cameraDef, cameraIs3D) {
if (this.orbitCameraControls != null) {
this.orbitCameraControls.dispose();
}
var occ = new orbit_controls_1.OrbitControls(camera, this.renderer.domElement);
occ.target0 = new THREE.Vector3(cameraDef.target[0], cameraDef.target[1], cameraDef.target[2]);
occ.position0 = new THREE.Vector3().copy(camera.position);
occ.zoom0 = cameraDef.zoom;
occ.zoomSpeed = ORBIT_ZOOM_SPEED;
occ.enableRotate = cameraIs3D;
occ.autoRotate = false;
occ.rotateSpeed = ORBIT_MOUSE_ROTATION_SPEED;
if (cameraIs3D) {
occ.mouseButtons.LEFT = THREE.MOUSE.LEFT;
occ.mouseButtons.RIGHT = THREE.MOUSE.RIGHT;
}
else {
occ.mouseButtons.LEFT = null;
occ.mouseButtons.RIGHT = THREE.MOUSE.LEFT;
}
occ.reset();
this.camera = camera;
this.orbitCameraControls = occ;
this.addCameraControlsEventListeners(this.orbitCameraControls);
};
ScatterPlot.prototype.makeCamera = function (cameraParams) {
if (cameraParams === void 0) { cameraParams = {}; }
var def = this.makeDefaultCameraDef(this.dimensions, cameraParams);
this.recreateCamera(def);
if (this.dimensions === 3 && this.styles.axesVisible) {
this.add3dAxes();
}
else {
this.remove3dAxesFromScene();
}
};
ScatterPlot.prototype.makeCamera3D = function (cameraDef, w, h) {
var camera;
{
var aspectRatio = w / h;
camera = new THREE.PerspectiveCamera(PERSP_CAMERA_FOV_VERTICAL, aspectRatio, PERSP_CAMERA_NEAR_CLIP_PLANE, PERSP_CAMERA_FAR_CLIP_PLANE);
camera.position.set(cameraDef.position[0], cameraDef.position[1], cameraDef.position[2]);
var at = new THREE.Vector3(cameraDef.target[0], cameraDef.target[1], cameraDef.target[2]);
camera.lookAt(at);
camera.zoom = cameraDef.zoom;
camera.updateProjectionMatrix();
}
this.camera = camera;
this.makeOrbitControls(camera, cameraDef, true);
};
ScatterPlot.prototype.makeCamera2D = function (cameraDef, w, h) {
var camera;
var target = new THREE.Vector3(cameraDef.target[0], cameraDef.target[1], cameraDef.target[2]);
{
var aspectRatio = w / h;
var left = -ORTHO_CAMERA_FRUSTUM_HALF_EXTENT;
var right = ORTHO_CAMERA_FRUSTUM_HALF_EXTENT;
var bottom = -ORTHO_CAMERA_FRUSTUM_HALF_EXTENT;
var top_1 = ORTHO_CAMERA_FRUSTUM_HALF_EXTENT;
if (aspectRatio > 1) {
left *= aspectRatio;
right *= aspectRatio;
}
else {