New Examples

- Put all examples in same directory
   - Make a single test
   - use __init__.py to create the docs automatically

SimPEG/Examples/Mesh_Basic_PlotImage.py

@@ -0,0 +1,46 @@
+from SimPEG import *
+
+def run(plotIt=True):
+    """
+        Mesh: Basic: PlotImage
+        ======================
+
+        You can use M.PlotImage to plot images on all of the Meshes.
+
+
+    """
+    M = Mesh.TensorMesh([32,32])
+    v = Utils.ModelBuilder.randomModel(M.vnC, seed=789)
+    v = Utils.mkvc(v)
+
+    O = Mesh.TreeMesh([32,32])
+    O.refine(1)
+    def function(cell):
+        if (cell.center[0] < 0.75 and cell.center[0] > 0.25 and
+            cell.center[1] < 0.75 and cell.center[1] > 0.25):return 5
+        if (cell.center[0] < 0.9 and cell.center[0] > 0.1 and
+            cell.center[1] < 0.9 and cell.center[1] > 0.1):return 4
+        return 3
+    O.refine(function)
+
+    P = M.getInterpolationMat(O.gridCC, 'CC')
+
+    ov = P * v
+
+    if plotIt:
+        import matplotlib.pyplot as plt
+
+        fig, axes = plt.subplots(1,2,figsize=(10,5))
+
+        out = M.plotImage(v, grid=True, ax=axes[0])
+        cb = plt.colorbar(out[0], ax=axes[0]); cb.set_label("Random Field")
+        axes[0].set_title('TensorMesh')
+
+        out = O.plotImage(ov, grid=True, ax=axes[1], clim=[0,1])
+        cb = plt.colorbar(out[0], ax=axes[1]); cb.set_label("Random Field")
+        axes[1].set_title('TreeMesh')
+
+        plt.show()
+
+if __name__ == '__main__':
+    run()