Changeset 172 for trunk/pycha/chart.py

Timestamp:

03/21/09 04:49:44 (3 years ago)

Author:

lgs

Message:

Initial implementation of the interval option. Based on a patch by Nicolas. See #28

Files:

• trunk/pycha/chart.py (modified) (4 diffs)

trunk/pycha/chart.py

@@ -227 +227 @@
                     self.xticks.append((pos, label))
 
+        elif self.options.axis.x.interval > 0:
+            interval = self.options.axis.x.interval
+            label = (divmod(self.minxval, interval)[0] + 1) * interval
+            pos = self.xscale * (label - self.minxval)
+            while 0.0 <= pos <= 1.0:
+                self.xticks.append((pos, label))
+                label += interval
+                pos = self.xscale * (label - self.minxval)
+
         elif self.options.axis.x.tickCount > 0:
             uniqx = range(len(uniqueIndices(stores)) + 1)
@@ -252 +261 @@
                 if 0.0 <= pos <= 1.0:
                     self.yticks.append((pos, label))
+
+        elif self.options.axis.y.interval > 0:
+            interval = self.options.axis.y.interval
+            label = (divmod(self.minyval, interval)[0] + 1) * interval
+            pos = 1.0 - (self.yscale * (label - self.minyval))
+            while 0.0 <= pos <= 1.0:
+                self.yticks.append((pos, label))
+                label += interval
+                pos = 1.0 - (self.yscale * (label - self.minyval))
 
         elif self.options.axis.y.tickCount > 0:
@@ -628 +646 @@
             rotate=None,
             label=None,
+            interval=0,
         ),
         y=Option(
@@ -637 +656 @@
             rotate=None,
             label=None,
+            interval=0,
         ),
     ),