Reduced use of the vgl module.

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+### Changes
+- Removed the dependency on the vgl module for the `object` and `timestamp` classes (#918)
+
 ## Version 0.18.1
 
 ### Bug Fixes

examples/animation/main.js

@@ -198,7 +198,7 @@ $(function () {
   function animation_frame() {
     var datalen = animationState.order.length,
         styles = animationState.styleArrays,
-        curTime = new Date().getTime(), genTime, updateTime,
+        curTime = Date.now(), genTime, updateTime,
         position, i, idx, p;
     timeRecords.frames.push(curTime);
     animationState.raf = null;
@@ -284,9 +284,9 @@ $(function () {
         updateStyles[key] = styles[key];
       }
     });
-    genTime = new Date().getTime();
+    genTime = Date.now();
     pointFeature.updateStyleFromArray(updateStyles, null, true);
-    updateTime = new Date().getTime();
+    updateTime = Date.now();
     timeRecords.generate.push(genTime - curTime);
     timeRecords.update.push(updateTime - genTime);
     show_framerate();
@@ -325,7 +325,7 @@ $(function () {
     if (animationState.position === undefined || animationState.position === null) {
       animationState.position = 0;
     }
-    animationState.startTime = new Date().getTime() - animationState.duration * animationState.position;
+    animationState.startTime = Date.now() - animationState.duration * animationState.position;
     if (!animationState.styleArrays || datalen !== animationState.order.length) {
       animationState.order = new Array(datalen);
       if (!animationState.orderedData) {

src/annotationLayer.js

@@ -908,7 +908,7 @@ var annotationLayer = function (args) {
    * @returns {this} The current layer.
    */
   this._update = function () {
-    if (m_this.getMTime() > m_buildTime.getMTime()) {
+    if (m_this.timestamp() > m_buildTime.timestamp()) {
       var labels = m_this.options('showLabels') ? [] : null,
           editable = m_this.options('clickToEdit') || m_this.mode() === m_this.modes.edit;
       /* Interally, we have a set of feature levels (to provide z-index

src/canvas/heatmapFeature.js

@@ -297,7 +297,7 @@ var canvas_heatmapFeature = function (arg) {
    */
   this._renderOnCanvas = function (context2d, map) {
 
-    if (m_renderTime.getMTime() < m_this.buildTime().getMTime()) {
+    if (m_renderTime.timestamp() < m_this.buildTime().timestamp()) {
       var data = m_this.data() || [],
           radius = m_this.style('radius') + m_this.style('blurRadius'),
           binned = m_this.binned(),
@@ -375,8 +375,8 @@ var canvas_heatmapFeature = function (arg) {
    */
   this._update = function () {
     s_update.call(m_this);
-    if (m_this.buildTime().getMTime() <= m_this.dataTime().getMTime() ||
-        m_this.updateTime().getMTime() < m_this.getMTime()) {
+    if (m_this.buildTime().timestamp() <= m_this.dataTime().timestamp() ||
+        m_this.updateTime().timestamp() < m_this.timestamp()) {
       m_this._build();
     }
     m_this.updateTime().modified();

src/canvas/quadFeature.js

@@ -224,8 +224,8 @@ var canvas_quadFeature = function (arg) {
    */
   this._update = function () {
     s_update.call(m_this);
-    if (m_this.buildTime().getMTime() <= m_this.dataTime().getMTime() ||
-        m_this.updateTime().getMTime() < m_this.getMTime()) {
+    if (m_this.buildTime().timestamp() <= m_this.dataTime().timestamp() ||
+        m_this.updateTime().timestamp() < m_this.timestamp()) {
       m_this._build();
     }
 

src/d3/lineFeature.js

@@ -121,7 +121,7 @@ var d3_lineFeature = function (arg) {
   this._update = function () {
     s_update.call(m_this);
 
-    if (m_this.getMTime() >= m_buildTime.getMTime()) {
+    if (m_this.timestamp() >= m_buildTime.timestamp()) {
       m_this._build();
     }
 

src/d3/pathFeature.js

@@ -104,7 +104,7 @@ var d3_pathFeature = function (arg) {
   this._update = function () {
     s_update.call(m_this);
 
-    if (m_this.dataTime().getMTime() >= m_buildTime.getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_buildTime.timestamp()) {
       m_this._build();
     }
 

src/d3/pointFeature.js

@@ -96,7 +96,7 @@ var d3_pointFeature = function (arg) {
   this._update = function () {
     s_update.call(m_this);
 
-    if (m_this.getMTime() >= m_buildTime.getMTime()) {
+    if (m_this.timestamp() >= m_buildTime.timestamp()) {
       m_this._build();
     }
 

src/d3/quadFeature.js

@@ -196,8 +196,8 @@ var d3_quadFeature = function (arg) {
    */
   this._update = function () {
     s_update.call(m_this);
-    if (m_this.buildTime().getMTime() <= m_this.dataTime().getMTime() ||
-        m_this.buildTime().getMTime() < m_this.getMTime()) {
+    if (m_this.buildTime().timestamp() <= m_this.dataTime().timestamp() ||
+        m_this.buildTime().timestamp() < m_this.timestamp()) {
       m_this._build();
     }
     return m_this;

src/d3/vectorFeature.js

@@ -252,7 +252,7 @@ var d3_vectorFeature = function (arg) {
   this._update = function () {
     s_update.call(m_this);
 
-    if (m_this.getMTime() >= m_buildTime.getMTime()) {
+    if (m_this.timestamp() >= m_buildTime.timestamp()) {
       m_this._build();
     } else {
       updateMarkers(

src/featureLayer.js

@@ -200,7 +200,7 @@ var featureLayer = function (arg) {
     // Call base class update
     s_update.call(m_this, request);
 
-    if (m_this.dataTime().getMTime() > m_this.updateTime().getMTime()) {
+    if (m_this.dataTime().timestamp() > m_this.updateTime().timestamp()) {
       for (i = 0; i < m_features.length; i += 1) {
         m_features[i].renderer(m_this.renderer());
       }

src/gl/choroplethFeature.js

@@ -71,8 +71,8 @@ var gl_choroplethFeature = function (arg) {
    */
   this._update = function () {
     s_update.call(m_this);
-    if (m_this.dataTime().getMTime() >= m_this.buildTime().getMTime() ||
-        m_this.updateTime().getMTime() <= m_this.getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_this.buildTime().timestamp() ||
+        m_this.updateTime().timestamp() <= m_this.timestamp()) {
       m_this._wipePolygons();
       m_this._build();
     }

src/gl/contourFeature.js

@@ -263,8 +263,8 @@ var gl_contourFeature = function (arg) {
   this._update = function () {
     s_update.call(m_this);
 
-    if (m_this.dataTime().getMTime() >= m_this.buildTime().getMTime() ||
-        m_this.updateTime().getMTime() <= m_this.getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_this.buildTime().timestamp() ||
+        m_this.updateTime().timestamp() <= m_this.timestamp()) {
       m_this._build();
     }
 

src/gl/lineFeature.js

@@ -754,7 +754,7 @@ var gl_lineFeature = function (arg) {
    * @returns {this}
    */
   this._build = function () {
-    createGLLines(m_this.dataTime().getMTime() < m_this.buildTime().getMTime() && m_geometry);
+    createGLLines(m_this.dataTime().timestamp() < m_this.buildTime().timestamp() && m_geometry);
 
     if (!m_this.renderer().contextRenderer().hasActor(m_actor)) {
       m_this.renderer().contextRenderer().addActor(m_actor);
@@ -771,8 +771,8 @@ var gl_lineFeature = function (arg) {
   this._update = function () {
     s_update.call(m_this);
 
-    if (m_this.dataTime().getMTime() >= m_this.buildTime().getMTime() ||
-        m_this.updateTime().getMTime() <= m_this.getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_this.buildTime().timestamp() ||
+        m_this.updateTime().timestamp() <= m_this.timestamp()) {
       m_this._build();
     }
 

src/gl/pointFeature.js

@@ -621,8 +621,8 @@ var gl_pointFeature = function (arg) {
 
     // For now build if the data or style changes. In the future we may
     // we able to partially update the data using dynamic gl buffers.
-    if (m_this.dataTime().getMTime() >= m_this.buildTime().getMTime() ||
-        m_this.updateTime().getMTime() < m_this.getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_this.buildTime().timestamp() ||
+        m_this.updateTime().timestamp() < m_this.timestamp()) {
       m_this._build();
     }
 

src/gl/polygonFeature.js

@@ -322,7 +322,7 @@ var gl_polygonFeature = function (arg) {
    * @override
    */
   this._build = function () {
-    createGLPolygons(m_this.dataTime().getMTime() < m_this.buildTime().getMTime() && m_geometry);
+    createGLPolygons(m_this.dataTime().timestamp() < m_this.buildTime().timestamp() && m_geometry);
 
     if (!m_this.renderer().contextRenderer().hasActor(m_actor)) {
       m_this.renderer().contextRenderer().addActor(m_actor);
@@ -352,8 +352,8 @@ var gl_polygonFeature = function (arg) {
     }
     s_update.call(m_this);
 
-    if (m_this.dataTime().getMTime() >= m_this.buildTime().getMTime() ||
-        m_this.updateTime().getMTime() <= m_this.getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_this.buildTime().timestamp() ||
+        m_this.updateTime().timestamp() <= m_this.timestamp()) {
       m_this._build();
     }
 

src/gl/quadFeature.js

@@ -1,6 +1,7 @@
 var inherit = require('../inherit');
 var registerFeature = require('../registry').registerFeature;
 var quadFeature = require('../quadFeature');
+var timestamp = require('../timestamp');
 
 /**
  * Create a new instance of class quadFeature.
@@ -31,8 +32,8 @@ var gl_quadFeature = function (arg) {
       m_modelViewUniform,
       m_actor_image, m_actor_color, m_glBuffers = {}, m_imgposbuf,
       m_clrposbuf, m_clrModelViewUniform,
-      m_glCompileTimestamp = vgl.timestamp(),
-      m_glColorCompileTimestamp = vgl.timestamp(),
+      m_glCompileTimestamp = timestamp(),
+      m_glColorCompileTimestamp = timestamp(),
       m_quads;
   var fragmentShaderImageSource = [
     'varying highp vec2 iTextureCoord;',
@@ -144,6 +145,29 @@ var gl_quadFeature = function (arg) {
     m_glColorCompileTimestamp.modified();
   }
 
+  /**
+   * Get a vgl mapper, mark dynamicDraw, augment the timestamp and the render
+   * function.
+   *
+   * @private
+   * @param {function} renderFunc Our own render function.
+   * @returns {vgl.mapper} a vgl mapper object.
+   */
+  function getVGLMapper(renderFunc) {
+    var mapper = new vgl.mapper({dynamicDraw: true});
+    mapper.s_modified = mapper.modified;
+    mapper.g_timestamp = timestamp();
+    mapper.timestamp = mapper.g_timestamp.timestamp;
+    mapper.modified = function () {
+      mapper.s_modified();
+      mapper.g_timestamp.modified();
+      return mapper;
+    };
+    mapper.s_render = mapper.render;
+    mapper.render = renderFunc;
+    return mapper;
+  }
+
   /**
    * Build this feature.
    */
@@ -157,7 +181,7 @@ var gl_quadFeature = function (arg) {
     /* Create an actor to render image quads */
     if (m_quads.imgQuads.length && !m_actor_image) {
       m_this.visible(false);
-      mapper = new vgl.mapper({dynamicDraw: true});
+      mapper = getVGLMapper(m_this._renderImageQuads);
       m_actor_image = new vgl.actor();
       /* This is similar to vgl.utils.createTextureMaterial */
       m_actor_image.setMapper(mapper);
@@ -193,16 +217,13 @@ var gl_quadFeature = function (arg) {
 
       mapper.setGeometryData(geom);
       m_actor_image.setMaterial(mat);
-
-      mapper.s_render = mapper.render;
-      mapper.render = m_this._renderImageQuads;
       m_this.renderer().contextRenderer().addActor(m_actor_image);
       m_this.visible(true);
     }
     /* Create an actor to render color quads */
     if (m_quads.clrQuads.length && !m_actor_color) {
       m_this.visible(false);
-      mapper = new vgl.mapper({dynamicDraw: true});
+      mapper = getVGLMapper(m_this._renderColorQuads);
       m_actor_color = new vgl.actor();
       /* This is similar to vgl.utils.createTextureMaterial */
       m_actor_color.setMapper(mapper);
@@ -231,8 +252,6 @@ var gl_quadFeature = function (arg) {
       mapper.setGeometryData(geom);
       m_actor_color.setMaterial(mat);
 
-      mapper.s_render = mapper.render;
-      mapper.render = m_this._renderColorQuads;
       m_this.renderer().contextRenderer().addActor(m_actor_color);
       m_this.visible(true);
     }
@@ -277,8 +296,8 @@ var gl_quadFeature = function (arg) {
       return;
     }
     var mapper = this;
-    if (mapper.getMTime() > m_glColorCompileTimestamp.getMTime() ||
-        m_this.dataTime().getMTime() > m_glColorCompileTimestamp.getMTime() ||
+    if (mapper.timestamp() > m_glColorCompileTimestamp.timestamp() ||
+        m_this.dataTime().timestamp() > m_glColorCompileTimestamp.timestamp() ||
         renderState.m_contextChanged || !m_clrposbuf ||
         m_quads.clrQuads.length * 12 > m_clrposbuf.length) {
       setupColorDrawObjects(renderState);
@@ -324,8 +343,8 @@ var gl_quadFeature = function (arg) {
       return;
     }
     var mapper = this;
-    if (mapper.getMTime() > m_glCompileTimestamp.getMTime() ||
-        m_this.dataTime().getMTime() > m_glCompileTimestamp.getMTime() ||
+    if (mapper.timestamp() > m_glCompileTimestamp.timestamp() ||
+        m_this.dataTime().timestamp() > m_glCompileTimestamp.timestamp() ||
         renderState.m_contextChanged || !m_imgposbuf ||
         m_quads.imgQuads.length * 12 > m_imgposbuf.length) {
       setupDrawObjects(renderState);
@@ -371,8 +390,8 @@ var gl_quadFeature = function (arg) {
    */
   this._update = function () {
     s_update.call(m_this);
-    if (m_this.buildTime().getMTime() <= m_this.dataTime().getMTime() ||
-        m_this.updateTime().getMTime() < m_this.getMTime()) {
+    if (m_this.buildTime().timestamp() <= m_this.dataTime().timestamp() ||
+        m_this.updateTime().timestamp() < m_this.timestamp()) {
       m_this._build();
     }
     if (m_actor_color) {

src/isolineFeature.js

@@ -536,7 +536,7 @@ var isolineFeature = function (arg) {
    * @returns {this}
    */
   this.labelPositions = function () {
-    if (m_this.dataTime().getMTime() >= m_this.buildTime().getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_this.buildTime().timestamp()) {
       m_this._build();
     }
     m_lastLabelPositions = null;
@@ -756,8 +756,8 @@ var isolineFeature = function (arg) {
   this._update = function () {
     s_update.call(m_this);
 
-    if (m_this.dataTime().getMTime() >= m_this.buildTime().getMTime() ||
-        m_this.updateTime().getMTime() <= m_this.getMTime()) {
+    if (m_this.dataTime().timestamp() >= m_this.buildTime().timestamp() ||
+        m_this.updateTime().timestamp() <= m_this.timestamp()) {
       m_this._build();
     }
     m_this.updateTime().modified();

src/lineFeature.js

@@ -142,8 +142,8 @@ var lineFeature = function (arg) {
    * @returns {object} The point search information record.
    */
   this._updatePointSearchInfo = function () {
-    if (m_pointSearchTime.getMTime() >= m_this.dataTime().getMTime() &&
-        m_pointSearchTime.getMTime() >= m_this.getMTime()) {
+    if (m_pointSearchTime.timestamp() >= m_this.dataTime().timestamp() &&
+        m_pointSearchTime.timestamp() >= m_this.timestamp()) {
       return m_pointSearchInfo;
     }
     m_pointSearchTime.modified();

src/map.js

@@ -1,5 +1,4 @@
 var $ = require('jquery');
-var vgl = require('vgl');
 var inherit = require('./inherit');
 var sceneObject = require('./sceneObject');
 
@@ -1097,10 +1096,10 @@ var map = function (arg) {
 
     // Transform zoom level into z-coordinate and inverse.
     function zoom2z(z) {
-      return vgl.zoomToHeight(z + 1, m_width, m_height) * units;
+      return Math.pow(2, -(z + 1)) * units * m_height;
     }
     function z2zoom(z) {
-      return vgl.heightToZoom(z / units, m_width, m_height) - 1;
+      return -Math.log2(z / units / m_height) - 1;
     }
 
     var defaultOpts = {