1 files changed, 59 insertions, 0 deletions
diff --git a/debian/missing-sources/epoch/src/basic/scatter.coffee b/debian/missing-sources/epoch/src/basic/scatter.coffee
new file mode 100644
index 0000000..b8563ec
--- /dev/null
+++ b/debian/missing-sources/epoch/src/basic/scatter.coffee
@@ -0,0 +1,59 @@
+
+# Static scatter plot implementation (using d3).
+class Epoch.Chart.Scatter extends Epoch.Chart.Plot
+  defaults =
+    type: 'scatter'
+    radius: 3.5
+    axes: ['top', 'bottom', 'left', 'right']
+
+  # Creates a new scatter plot.
+  # @param [Object] options Options for the plot.
+  # @option options [Number] radius The default radius to use for the points in
+  #   the plot (default 3.5). This can be overrwitten by individual points.
+  constructor: (@options={}) ->
+    super(@options = Epoch.Util.defaults(@options, defaults))
+    @on 'option:radius', 'radiusChanged'
+    @draw()
+
+  # Draws the scatter plot.
+  draw: ->
+    [x, y, layers] = [@x(), @y(), @getVisibleLayers()]
+    radius = @options.radius
+
+    if layers.length == 0
+      return @g.selectAll('.layer').remove()
+
+    layer = @g.selectAll('.layer')
+      .data(layers, (d) -> d.category)
+
+    layer.enter().append('g')
+      .attr('class', (d) -> d.className)
+
+    dots = layer.selectAll('.dot')
+      .data((l) -> l.values)
+
+    dots.transition().duration(500)
+      .attr("r", (d) -> d.r ? radius)
+      .attr("cx", (d) -> x(d.x))
+      .attr("cy", (d) -> y(d.y))
+
+    dots.enter().append('circle')
+      .attr('class', 'dot')
+      .attr("r", (d) -> d.r ? radius)
+      .attr("cx", (d) -> x(d.x))
+      .attr("cy", (d) -> y(d.y))
+
+    dots.exit().transition()
+      .duration(750)
+      .style('opacity', 0)
+      .remove()
+
+    layer.exit().transition()
+      .duration(750)
+      .style('opacity', 0)
+      .remove()
+
+    super()
+
+  # Updates radius in response to an <code>option:radius</code> event.
+  radiusChanged: -> @draw()