summaryrefslogtreecommitdiff
path: root/gr-wxgui/src/python/plotter/grid_plotter_base.py
diff options
context:
space:
mode:
Diffstat (limited to 'gr-wxgui/src/python/plotter/grid_plotter_base.py')
-rw-r--r--gr-wxgui/src/python/plotter/grid_plotter_base.py14
1 files changed, 13 insertions, 1 deletions
diff --git a/gr-wxgui/src/python/plotter/grid_plotter_base.py b/gr-wxgui/src/python/plotter/grid_plotter_base.py
index 5eaa76bc0..f1bc8f546 100644
--- a/gr-wxgui/src/python/plotter/grid_plotter_base.py
+++ b/gr-wxgui/src/python/plotter/grid_plotter_base.py
@@ -85,7 +85,19 @@ class grid_plotter_base(plotter_base):
self._point_label_cache.changed(True)
self.update()
self.unlock()
-
+
+ def call_freq_callback(self, coor):
+ x, y = self._point_label_coordinate
+ if x < self.padding_left or x > self.width-self.padding_right: return
+ if y < self.padding_top or y > self.height-self.padding_bottom: return
+ #scale to window bounds
+ x_win_scalar = float(x - self.padding_left)/(self.width-self.padding_left-self.padding_right)
+ y_win_scalar = float((self.height - y) - self.padding_bottom)/(self.height-self.padding_top-self.padding_bottom)
+ #scale to grid bounds
+ x_val = x_win_scalar*(self.x_max-self.x_min) + self.x_min
+ y_val = y_win_scalar*(self.y_max-self.y_min) + self.y_min
+ self._call_callback(x_val, y_val)
+
def enable_grid_aspect_ratio(self, enable=None):
"""
Enable/disable the grid aspect ratio.