Merge pull request #126 from mistercrunch/heatmap

New viz: Heatmap!

panoramix/forms.py

@@ -110,6 +110,41 @@ def __init__(self, viz):
                     ['stack', 'stream', 'expand']),
                 default='stack',
                 description=""),
+            'linear_color_scheme': SelectField(
+                'Color Scheme', choices=self.choicify([
+                    'fire', 'blue_white_yellow', 'white_black',
+                    'black_white']),
+                default='fire',
+                description=""),
+            'normalize_across': SelectField(
+                'Normalize Across', choices=self.choicify([
+                    'heatmap', 'x', 'y']),
+                default='heatmap',
+                description=(
+                    "Color will be rendered based on a ratio "
+                    "of the cell against the sum of across this "
+                    "criteria")),
+            'canvas_image_rendering': SelectField(
+                'Rendering', choices=(
+                    ('pixelated', 'pixelated (Sharp)'),
+                    ('auto', 'auto (Smooth)'),
+                ),
+                default='pixelated',
+                description=(
+                    "image-rendering CSS attribute of the canvas object that "
+                    "defines how the browser scales up the image")),
+            'xscale_interval': SelectField(
+                'XScale Interval', choices=self.choicify(range(1, 50)),
+                default='1',
+                description=(
+                    "Number of step to take between ticks when "
+                    "printing the x scale")),
+            'yscale_interval': SelectField(
+                'YScale Interval', choices=self.choicify(range(1, 50)),
+                default='1',
+                description=(
+                    "Number of step to take between ticks when "
+                    "printing the y scale")),
             'bar_stacked': BetterBooleanField(
                 'Stacked Bars',
                 default=False,
@@ -142,6 +177,14 @@ def __init__(self, viz):
                 'Columns',
                 choices=self.choicify(datasource.column_names),
                 description="Columns to display"),
+            'all_columns_x': SelectField(
+                'X',
+                choices=self.choicify(datasource.column_names),
+                description="Columns to display"),
+            'all_columns_y': SelectField(
+                'Y',
+                choices=self.choicify(datasource.column_names),
+                description="Columns to display"),
             'granularity': FreeFormSelectField(
                 'Time Granularity', default="one day",
                 choices=self.choicify([

panoramix/static/lib/d3.tip.css

@@ -0,0 +1,55 @@
+.d3-tip {
+  line-height: 1;
+  font-size: 12px;
+  padding: 12px;
+  background: rgba(0, 0, 0, 0.8);
+  color: #fff;
+  border-radius: 2px;
+  pointer-events: none;
+}
+
+/* Creates a small triangle extender for the tooltip */
+.d3-tip:after {
+  box-sizing: border-box;
+  display: inline;
+  font-size: 10px;
+  width: 100%;
+  line-height: 1;
+  color: rgba(0, 0, 0, 0.8);
+  position: absolute;
+  pointer-events: none;
+}
+
+/* Northward tooltips */
+.d3-tip.n:after {
+  content: "\25BC";
+  margin: -1px 0 0 0;
+  top: 100%;
+  left: 0;
+  text-align: center;
+}
+
+/* Eastward tooltips */
+.d3-tip.e:after {
+  content: "\25C0";
+  margin: -4px 0 0 0;
+  top: 50%;
+  left: -8px;
+}
+
+/* Southward tooltips */
+.d3-tip.s:after {
+  content: "\25B2";
+  margin: 0 0 1px 0;
+  top: -8px;
+  left: 0;
+  text-align: center;
+}
+
+/* Westward tooltips */
+.d3-tip.w:after {
+  content: "\25B6";
+  margin: -4px 0 0 -1px;
+  top: 50%;
+  left: 100%;
+}