More little fixups for robustness

2002-12-30 05:13:43 +00:00
parent c04c41c7d2
commit 47f1da80d0
11 changed files with 143 additions and 120 deletions
@@ -762,6 +762,12 @@ function init_x_ticks() {
  //print "xStep: $xStep <BR>";
  // if numeric x axis then calculate x coords for each data point. this is seperate from x ticks.
  $gridX = $gridLeft;
+  if (empty($this->calculated['x_axis']['factor'])) {
+      $this->calculated['x_axis']['factor'] = 0;
+  }
+  if (empty($this->calculated['x_axis']['min'])) {
+      $this->calculated['x_axis']['min'] = 0;
+  }
  $factor = $this->calculated['x_axis']['factor'];
  $min = $this->calculated['x_axis']['min'];