Fixing the issue where right column and top row generate wrong streamlines

pmackenz · pmackenz · commit 0f36b56322f6 · 2018-06-18T10:53:06.000-07:00
diff --git a/lib/matplotlib/streamplot.py b/lib/matplotlib/streamplot.py
@@ -603,11 +603,11 @@ def interpgrid(a, xi, yi):
         x = int(xi)
         y = int(yi)
         # conditional is faster than clipping for integers
-        if x == (Nx - 2):
+        if x == (Nx - 1): 
             xn = x
         else:
             xn = x + 1
-        if y == (Ny - 2):
+        if y == (Ny - 1): 
             yn = y
         else:
             yn = y + 1
