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diff spyh.m @ 423:a2cb0d4f4a02 feature/grids

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Merge in default.
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 07 Feb 2017 15:47:51 +0100
parents 5cb99f56f55e
children 12db86a8ec7b
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spyh.m	Tue Feb 07 15:47:51 2017 +0100
@@ -0,0 +1,16 @@
+% spyh mimics the built in spy but returns a handle which allows modifying the plot.
+function h = spyh(A)
+    [n,m] = size(A);
+    [I,J] = find(A);
+
+    h = plot(J,I);
+    h.LineStyle = 'none';
+    h.Marker = '.';
+    h.MarkerSize = 14;
+
+    a = gca;
+    xlim([0 m+1]);
+    ylim([0 n+1]);
+    axis square
+    a.YDir = 'reverse';
+end
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