diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/src/svg/axis.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/svg/axis.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,185 @@
+d3.svg.axis = function() {
+  var scale = d3.scale.linear(),
+      orient = "bottom",
+      tickMajorSize = 6,
+      tickMinorSize = 6,
+      tickEndSize = 6,
+      tickPadding = 3,
+      tickArguments_ = [10],
+      tickFormat_,
+      tickSubdivide = 0;
+
+  function axis(selection) {
+    selection.each(function(d, i, j) {
+      var g = d3.select(this);
+
+      // If selection is a transition, create subtransitions.
+      var transition = selection.delay ? function(o) {
+        var id = d3_transitionInheritId;
+        try {
+          d3_transitionInheritId = selection.id;
+          return o.transition()
+              .delay(selection[j][i].delay)
+              .duration(selection[j][i].duration)
+              .ease(selection.ease());
+        } finally {
+          d3_transitionInheritId = id;
+        }
+      } : Object;
+
+      // Ticks.
+      var ticks = scale.ticks.apply(scale, tickArguments_),
+          tickFormat = tickFormat_ == null ? scale.tickFormat.apply(scale, tickArguments_) : tickFormat_;
+
+      // Minor ticks.
+      var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide),
+          subtick = g.selectAll(".minor").data(subticks, String),
+          subtickEnter = subtick.enter().insert("svg:line", "g").attr("class", "tick minor").style("opacity", 1e-6),
+          subtickExit = transition(subtick.exit()).style("opacity", 1e-6).remove(),
+          subtickUpdate = transition(subtick).style("opacity", 1);
+
+      // Major ticks.
+      var tick = g.selectAll("g").data(ticks, String),
+          tickEnter = tick.enter().insert("svg:g", "path").style("opacity", 1e-6),
+          tickExit = transition(tick.exit()).style("opacity", 1e-6).remove(),
+          tickUpdate = transition(tick).style("opacity", 1),
+          tickTransform;
+
+      // Domain.
+      var range = d3_scaleExtent(scale.range()),
+          path = g.selectAll(".domain").data([0]),
+          pathEnter = path.enter().append("svg:path").attr("class", "domain"),
+          pathUpdate = transition(path);
+
+      // Stash the new scale and grab the old scale.
+      var scale0 = this.__chart__ || scale;
+      this.__chart__ = scale.copy();
+
+      tickEnter.append("svg:line").attr("class", "tick");
+      tickEnter.append("svg:text");
+      tickUpdate.select("text").text(tickFormat);
+
+      switch (orient) {
+        case "bottom": {
+          tickTransform = d3_svg_axisX;
+          subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
+          tickUpdate.select("line").attr("x2", 0).attr("y2", tickMajorSize);
+          tickUpdate.select("text").attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding).attr("dy", ".71em").attr("text-anchor", "middle");
+          pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
+          break;
+        }
+        case "top": {
+          tickTransform = d3_svg_axisX;
+          subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
+          tickUpdate.select("line").attr("x2", 0).attr("y2", -tickMajorSize);
+          tickUpdate.select("text").attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("dy", "0em").attr("text-anchor", "middle");
+          pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
+          break;
+        }
+        case "left": {
+          tickTransform = d3_svg_axisY;
+          subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
+          tickUpdate.select("line").attr("x2", -tickMajorSize).attr("y2", 0);
+          tickUpdate.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "end");
+          pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
+          break;
+        }
+        case "right": {
+          tickTransform = d3_svg_axisY;
+          subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
+          tickUpdate.select("line").attr("x2", tickMajorSize).attr("y2", 0);
+          tickUpdate.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "start");
+          pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
+          break;
+        }
+      }
+
+      tickEnter.call(tickTransform, scale0);
+      tickUpdate.call(tickTransform, scale);
+      tickExit.call(tickTransform, scale);
+
+      subtickEnter.call(tickTransform, scale0);
+      subtickUpdate.call(tickTransform, scale);
+      subtickExit.call(tickTransform, scale);
+    });
+  }
+
+  axis.scale = function(x) {
+    if (!arguments.length) return scale;
+    scale = x;
+    return axis;
+  };
+
+  axis.orient = function(x) {
+    if (!arguments.length) return orient;
+    orient = x;
+    return axis;
+  };
+
+  axis.ticks = function() {
+    if (!arguments.length) return tickArguments_;
+    tickArguments_ = arguments;
+    return axis;
+  };
+
+  axis.tickFormat = function(x) {
+    if (!arguments.length) return tickFormat_;
+    tickFormat_ = x;
+    return axis;
+  };
+
+  axis.tickSize = function(x, y, z) {
+    if (!arguments.length) return tickMajorSize;
+    var n = arguments.length - 1;
+    tickMajorSize = +x;
+    tickMinorSize = n > 1 ? +y : tickMajorSize;
+    tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
+    return axis;
+  };
+
+  axis.tickPadding = function(x) {
+    if (!arguments.length) return tickPadding;
+    tickPadding = +x;
+    return axis;
+  };
+
+  axis.tickSubdivide = function(x) {
+    if (!arguments.length) return tickSubdivide;
+    tickSubdivide = +x;
+    return axis;
+  };
+
+  return axis;
+};
+
+function d3_svg_axisX(selection, x) {
+  selection.attr("transform", function(d) { return "translate(" + x(d) + ",0)"; });
+}
+
+function d3_svg_axisY(selection, y) {
+  selection.attr("transform", function(d) { return "translate(0," + y(d) + ")"; });
+}
+
+function d3_svg_axisSubdivide(scale, ticks, m) {
+  subticks = [];
+  if (m && ticks.length > 1) {
+    var extent = d3_scaleExtent(scale.domain()),
+        subticks,
+        i = -1,
+        n = ticks.length,
+        d = (ticks[1] - ticks[0]) / ++m,
+        j,
+        v;
+    while (++i < n) {
+      for (j = m; --j > 0;) {
+        if ((v = +ticks[i] - j * d) >= extent[0]) {
+          subticks.push(v);
+        }
+      }
+    }
+    for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) {
+      subticks.push(v);
+    }
+  }
+  return subticks;
+}