build

dist/torque.full.uncompressed.js

@@ -4399,9 +4399,9 @@ var Profiler = require('../profiler');
 
 },{"../":10,"../profiler":17}],22:[function(require,module,exports){
   var TAU = Math.PI*2;
-  // min value to render a line. 
+  // min value to render a line.
   // it does not make sense to render a line of a width is not even visible
-  var LINEWIDTH_MIN_VALUE = 0.05; 
+  var LINEWIDTH_MIN_VALUE = 0.05;
   var MAX_SPRITE_RADIUS = 255;
 
   function renderPoint(ctx, st) {
@@ -4473,6 +4473,20 @@ var Profiler = require('../profiler');
     }
   }
 
+  function renderText(ctx,st){
+    var width = st['marker-width']
+
+    var text = st['text-name']
+    var font = st['text-face-name'] ? st['text-face-name'] : 'Droid Sans Regular'
+    var textSize = st['text-size'] ? st['text-size'] : '10px'
+    var color    = st['text-fill'] ? st['text-fill'] : 'white'
+
+    // ctx.font = textSize+"px "+font
+    ctx.fillStyle = color
+    ctx.font= textSize + " " + font
+    ctx.fillText(text, -width/2.0, width/2.0 )
+  }
+
   function renderSprite(ctx, img, st) {
 
     if(img.complete){
@@ -4487,6 +4501,7 @@ module.exports = {
     renderPoint: renderPoint,
     renderSprite: renderSprite,
     renderRectangle: renderRectangle,
+    renderText: renderText,
     MAX_SPRITE_RADIUS: MAX_SPRITE_RADIUS
 };
 
@@ -4557,7 +4572,7 @@ var Filters = require('./torque_filters');
     this.TILE_SIZE = 256;
     this._style = null;
     this._gradients = {};
-    
+
     this._forcePoints = false;
   }
 
@@ -4659,13 +4674,19 @@ var Filters = require('./torque_filters');
           cartocss.renderPoint(ctx, st);
         }
       }
+
+      if(st['text-name']){
+        st['text-name'] = st['text-name'].replace("{{value}}",value)
+        cartocss.renderText(ctx,st)
+      }
+
       prof.end(true);
       if (torque.flags.sprites_to_images) {
         var i = this._createImage();
         i.src = canvas.toDataURL();
         return i;
       }
-      
+
       return canvas;
     },
 
@@ -4693,7 +4714,7 @@ var Filters = require('./torque_filters');
           }
         }
       }
-      
+
       prof.end(true);
 
       return callback && callback(null);
@@ -4737,7 +4758,7 @@ var Filters = require('./torque_filters');
     },
 
     //
-    // renders a tile in the canvas for key defined in 
+    // renders a tile in the canvas for key defined in
     // the torque tile
     //
     _renderTile: function(tile, key, frame_offset, sprites, shader, shaderVars) {
@@ -4774,7 +4795,7 @@ var Filters = require('./torque_filters');
           }
         }
       }
-      
+
 
       prof.end(true);
     },
@@ -4925,7 +4946,7 @@ var Filters = require('./torque_filters');
           }
           gradient = {};
           var colorize = this._style['image-filters'].args;
-          
+
           var increment = 1/colorize.length;
           for (var i = 0; i < colorize.length; i++){
             var key = increment * i + increment;
@@ -13932,7 +13953,7 @@ module.exports={
   "url": "https://github.com/cartodb/carto",
   "repository": {
     "type": "git",
-    "url": "http://github.com/cartodb/carto.git"
+    "url": "git+ssh://git@github.com/cartodb/carto.git"
   },
   "author": {
     "name": "CartoDB",
@@ -14003,7 +14024,7 @@ module.exports={
   "bugs": {
     "url": "https://github.com/cartodb/carto/issues"
   },
-  "homepage": "https://github.com/cartodb/carto",
+  "homepage": "https://github.com/cartodb/carto#readme",
   "_id": "carto@0.15.1-cdb1",
   "_shasum": "62534c2975cbee073f10c6c14a0c7e889c9469e7",
   "_resolved": "https://github.com/CartoDB/carto/archive/master.tar.gz",

dist/torque.uncompressed.js

@@ -4406,9 +4406,9 @@ var Profiler = require('../profiler');
 
 },{"../":10,"../profiler":17}],22:[function(require,module,exports){
   var TAU = Math.PI*2;
-  // min value to render a line. 
+  // min value to render a line.
   // it does not make sense to render a line of a width is not even visible
-  var LINEWIDTH_MIN_VALUE = 0.05; 
+  var LINEWIDTH_MIN_VALUE = 0.05;
   var MAX_SPRITE_RADIUS = 255;
 
   function renderPoint(ctx, st) {
@@ -4480,6 +4480,20 @@ var Profiler = require('../profiler');
     }
   }
 
+  function renderText(ctx,st){
+    var width = st['marker-width']
+
+    var text = st['text-name']
+    var font = st['text-face-name'] ? st['text-face-name'] : 'Droid Sans Regular'
+    var textSize = st['text-size'] ? st['text-size'] : '10px'
+    var color    = st['text-fill'] ? st['text-fill'] : 'white'
+
+    // ctx.font = textSize+"px "+font
+    ctx.fillStyle = color
+    ctx.font= textSize + " " + font
+    ctx.fillText(text, -width/2.0, width/2.0 )
+  }
+
   function renderSprite(ctx, img, st) {
 
     if(img.complete){
@@ -4494,6 +4508,7 @@ module.exports = {
     renderPoint: renderPoint,
     renderSprite: renderSprite,
     renderRectangle: renderRectangle,
+    renderText: renderText,
     MAX_SPRITE_RADIUS: MAX_SPRITE_RADIUS
 };
 
@@ -4564,7 +4579,7 @@ var Filters = require('./torque_filters');
     this.TILE_SIZE = 256;
     this._style = null;
     this._gradients = {};
-    
+
     this._forcePoints = false;
   }
 
@@ -4666,13 +4681,19 @@ var Filters = require('./torque_filters');
           cartocss.renderPoint(ctx, st);
         }
       }
+
+      if(st['text-name']){
+        st['text-name'] = st['text-name'].replace("{{value}}",value)
+        cartocss.renderText(ctx,st)
+      }
+
       prof.end(true);
       if (torque.flags.sprites_to_images) {
         var i = this._createImage();
         i.src = canvas.toDataURL();
         return i;
       }
-      
+
       return canvas;
     },
 
@@ -4700,7 +4721,7 @@ var Filters = require('./torque_filters');
           }
         }
       }
-      
+
       prof.end(true);
 
       return callback && callback(null);
@@ -4744,7 +4765,7 @@ var Filters = require('./torque_filters');
     },
 
     //
-    // renders a tile in the canvas for key defined in 
+    // renders a tile in the canvas for key defined in
     // the torque tile
     //
     _renderTile: function(tile, key, frame_offset, sprites, shader, shaderVars) {
@@ -4781,7 +4802,7 @@ var Filters = require('./torque_filters');
           }
         }
       }
-      
+
 
       prof.end(true);
     },
@@ -4932,7 +4953,7 @@ var Filters = require('./torque_filters');
           }
           gradient = {};
           var colorize = this._style['image-filters'].args;
-          
+
           var increment = 1/colorize.length;
           for (var i = 0; i < colorize.length; i++){
             var key = increment * i + increment;

examples/text_render_example.html

@@ -0,0 +1,112 @@
+
+<html>
+  <link rel="stylesheet" href="vendor/leaflet.css" />
+  <style>
+    #map, html, body {
+      width: 100%; height: 100%; padding: 0; margin: 0;
+    }
+    #title {
+      position: absolute;
+      top: 100px;
+      left: 50px;
+      color: white;
+      font-size: 27px;
+      font-family: Helvetica, sans-serif;
+    }
+  </style>
+  <body>
+    <div id="map"></div>
+    <div id="title">Average temperature collected by Britain's Royal Navy (1913-1925)</div>
+
+    <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css" />
+    <script src="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js"></script>
+    <script src="../dist/torque.full.uncompressed.js"></script>
+
+
+    <script>
+      // define the torque layer style using cartocss
+      // this creates a kind of density map
+      //color scale from http://colorbrewer2.org/
+      var CARTOCSS = [
+          'Map {',
+          '-torque-time-attribute: "date";',
+          '-torque-aggregation-function: "avg(temp::float)";',
+          '-torque-frame-count: 1;',
+          '-torque-animation-duration: 15;',
+          '-torque-resolution: 32',
+
+          '}',
+          '#layer {',
+          '  marker-width: 16;',
+          '  marker-fill-opacity: 1.0;',
+          '  marker-fill: #fff5eb; ',
+          '  marker-type: rectangle;',
+          'text-name: "{{value}}c";',
+          'text-face-name: "Arial";',
+          'text-fill: #036;',
+          'text-size: 100px;',
+          '  [value > 1] { marker-fill: #fee6ce; }',
+          '  [value > 2] { marker-fill: #fdd0a2; }',
+          '  [value > 4] { marker-fill: #fdae6b; }',
+          '  [value > 10] { marker-fill: #fd8d3c; }',
+          '  [value > 15] { marker-fill: #f16913; }',
+          '  [value > 20] { marker-fill: #d94801; }',
+          '  [value > 25] { marker-fill: #8c2d04; }',
+
+          '}'
+      ].join('\n');
+
+
+      var map = new L.Map('map', {
+        zoomControl: true,
+        center: [40, 0],
+        zoom: 3
+      });
+
+      L.tileLayer('http://{s}.api.cartocdn.com/base-dark/{z}/{x}/{y}.png', {
+        attribution: 'CartoDB'
+      }).addTo(map);
+
+      var torqueLayer = new L.TorqueLayer({
+        user       : 'viz2',
+        table      : 'ow',
+        cartocss: CARTOCSS
+      });
+      torqueLayer.addTo(map);
+
+      map.on('click', function(e) {
+        var p = e.containerPoint
+        var value = torqueLayer.getValueForPos(p.x, p.y);
+        if (value !== null) {
+          map.openPopup('average temperature: ' + value.value + "C", e.latlng);
+        }
+      });
+
+
+      // show small rectable and change cursor on hover
+      var hover = null;
+      map.on('mousemove', function(e) {
+        var p = e.containerPoint
+        var value = torqueLayer.getValueForPos(p.x, p.y);
+
+        // remove previous hover box
+        if (hover) {
+          map.removeLayer(hover);
+          hover = null;
+        }
+
+        if (value !== null) {
+          hover = L.rectangle(value.bbox, {
+            color: '#000',
+            weight: 1
+          }).addTo(map);
+          map._container.style.cursor = 'pointer';
+        } else {
+          map._container.style.cursor = 'auto';
+        }
+      });
+
+
+    </script>
+  </body>
+</html>

lib/torque/renderer/cartocss_render.js

@@ -1,7 +1,7 @@
   var TAU = Math.PI*2;
-  // min value to render a line. 
+  // min value to render a line.
   // it does not make sense to render a line of a width is not even visible
-  var LINEWIDTH_MIN_VALUE = 0.05; 
+  var LINEWIDTH_MIN_VALUE = 0.05;
   var MAX_SPRITE_RADIUS = 255;
 
   function renderPoint(ctx, st) {
@@ -73,6 +73,20 @@
     }
   }
 
+  function renderText(ctx,st){
+    var width = st['marker-width']
+
+    var text = st['text-name']
+    var font = st['text-face-name'] ? st['text-face-name'] : 'Droid Sans Regular'
+    var textSize = st['text-size'] ? st['text-size'] : '10px'
+    var color    = st['text-fill'] ? st['text-fill'] : 'white'
+
+    // ctx.font = textSize+"px "+font
+    ctx.fillStyle = color
+    ctx.font= textSize + " " + font
+    ctx.fillText(text, -width/2.0, width/2.0 )
+  }
+
   function renderSprite(ctx, img, st) {
 
     if(img.complete){
@@ -87,5 +101,6 @@ module.exports = {
     renderPoint: renderPoint,
     renderSprite: renderSprite,
     renderRectangle: renderRectangle,
+    renderText: renderText,
     MAX_SPRITE_RADIUS: MAX_SPRITE_RADIUS
 };

lib/torque/renderer/point.js

@@ -57,7 +57,7 @@ var Filters = require('./torque_filters');
     this.TILE_SIZE = 256;
     this._style = null;
     this._gradients = {};
-    
+
     this._forcePoints = false;
   }
 
@@ -159,13 +159,19 @@ var Filters = require('./torque_filters');
           cartocss.renderPoint(ctx, st);
         }
       }
+
+      if(st['text-name']){
+        st['text-name'] = st['text-name'].replace("{{value}}",value)
+        cartocss.renderText(ctx,st)
+      }
+
       prof.end(true);
       if (torque.flags.sprites_to_images) {
         var i = this._createImage();
         i.src = canvas.toDataURL();
         return i;
       }
-      
+
       return canvas;
     },
 
@@ -193,7 +199,7 @@ var Filters = require('./torque_filters');
           }
         }
       }
-      
+
       prof.end(true);
 
       return callback && callback(null);
@@ -237,7 +243,7 @@ var Filters = require('./torque_filters');
     },
 
     //
-    // renders a tile in the canvas for key defined in 
+    // renders a tile in the canvas for key defined in
     // the torque tile
     //
     _renderTile: function(tile, key, frame_offset, sprites, shader, shaderVars) {
@@ -274,7 +280,7 @@ var Filters = require('./torque_filters');
           }
         }
       }
-      
+
 
       prof.end(true);
     },
@@ -425,7 +431,7 @@ var Filters = require('./torque_filters');
           }
           gradient = {};
           var colorize = this._style['image-filters'].args;
-          
+
           var increment = 1/colorize.length;
           for (var i = 0; i < colorize.length; i++){
             var key = increment * i + increment;