move to inline plotting?

docs/api_Richards.rst

@@ -33,7 +33,55 @@ However, it can be shown that this does not conserve mass in the discrete formul
 
 Here we reproduce the results from Ceilia et al. (1990):
 
-.. plot:: examples/richards_comparisonToCeiliaEtAl1990.py
+.. plot::
+
+    from SimPEG import *
+    from simpegFLOW import Richards
+    import matplotlib.pyplot as plt
+
+    M = Mesh.TensorMesh([np.ones(40)])
+    M.setCellGradBC('dirichlet')
+    params = Richards.Empirical.HaverkampParams().celia1990
+    model = Richards.Empirical.Haverkamp(M, **params)
+
+    bc = np.array([-61.5,-20.7])
+    h = np.zeros(M.nC) + bc[0]
+
+
+    def getFields(timeStep,method):
+        prob = Richards.RichardsProblem(M,model, timeStep=timeStep, timeEnd=360,
+                                        boundaryConditions=bc, initialConditions=h,
+                                        doNewton=False, method=method)
+        return prob.fields(params['Ks'])
+
+    Hs_M10 = getFields(10., 'mixed')
+    Hs_M30 = getFields(30., 'mixed')
+    Hs_M120= getFields(120.,'mixed')
+    Hs_H10 = getFields(10., 'head')
+    Hs_H30 = getFields(30., 'head')
+    Hs_H120= getFields(120.,'head')
+
+    plt.figure(figsize=(13,5))
+    plt.subplot(121)
+    plt.plot(40-M.gridCC, Hs_M10[-1],'b-')
+    plt.plot(40-M.gridCC, Hs_M30[-1],'r-')
+    plt.plot(40-M.gridCC, Hs_M120[-1],'k-')
+    plt.ylim([-70,-10])
+    plt.title('Mixed Method')
+    plt.xlabel('Depth, cm')
+    plt.ylabel('Pressure Head, cm')
+    plt.legend(('$\Delta t$ = 10 sec','$\Delta t$ = 30 sec','$\Delta t$ = 120 sec'))
+    plt.subplot(122)
+    plt.plot(40-M.gridCC, Hs_H10[-1],'b-')
+    plt.plot(40-M.gridCC, Hs_H30[-1],'r-')
+    plt.plot(40-M.gridCC, Hs_H120[-1],'k-')
+    plt.ylim([-70,-10])
+    plt.title('Head-Based Method')
+    plt.xlabel('Depth, cm')
+    plt.ylabel('Pressure Head, cm')
+    plt.legend(('$\Delta t$ = 10 sec','$\Delta t$ = 30 sec','$\Delta t$ = 120 sec'))
+    plt.show()
+
 
 Richards
 ========