Fix the horizontal scale of Show Energy window

diff --git a/Scripts/commands.rb b/Scripts/commands.rb
index 563d4de..ee4c7ab 100755 (executable)
--- a/Scripts/commands.rb
+++ b/Scripts/commands.rb
@@ -278,8 +278,14 @@ class Molecule
       max = wave_max.call
       h = max - min
       h = (h == 0.0 ? 1.0 : height / h)
-      w = wave.count
-      w = (w == 0 ? 1.0 : Float(width) / w)
+      c = wave.count
+      if c == 0
+        w = 1.0
+      elsif c == 1
+        w = Float(width)
+      else
+        w = Float(width) / (c - 1)
+      end
       lines = []
       a = []
       #  Skip the points that have exactly 0.0 value