From d867863e17095b50ba4a6cee6875c06f0d6ba928 Mon Sep 17 00:00:00 2001
From: Christoph Groth <christoph.groth@cea.fr>
Date: Fri, 19 Apr 2013 16:48:41 +0200
Subject: [PATCH] plotter.map: use imshow without a second interpolation
---
kwant/plotter.py | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/kwant/plotter.py b/kwant/plotter.py
index 22d4d309..9e1ce25d 100644
--- a/kwant/plotter.py
+++ b/kwant/plotter.py
@@ -802,8 +802,8 @@ def map(sys, value, colorbar=True, cmap=None,
Reference length. If not given, it is determined as a typical
nearest neighbor distance.
method : string, optional
- Passed to `scipy.interpolate.griddata` and to `matplotlib`
- `Axes.imshow.interpolation`: "nearest" (default), "linear", or "cubic".
+ Passed to `scipy.interpolate.griddata`: "nearest" (default), "linear",
+ or "cubic"
oversampling : integer, optional
Number of pixels per reference length. Defaults to 3.
file : string or file object or `None`
@@ -845,10 +845,10 @@ def map(sys, value, colorbar=True, cmap=None,
fig.set_figwidth(fig_size[0])
fig.set_figheight(fig_size[1])
ax = fig.add_subplot(111, aspect='equal')
- if method != 'nearest':
- method = 'bi' + method
+ # Note that we tell imshow to show the array created by mask_interpolate
+ # faithfully and not to interpolate by itself another time.
image = ax.imshow(img.T, extent=(min[0], max[0], min[1], max[1]),
- origin='lower', interpolation=method, cmap=cmap)
+ origin='lower', interpolation='none', cmap=cmap)
if colorbar:
fig.colorbar(image)
return output_fig(fig, file=file, show=show)
--
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