edit to posdwn plotting in xbeachtools.py and removed the floating po…

…int bugfix:

    # prevent very small grid sizes when floating point zero goes wrong for computing var distance!

xbTools/grid/extension.py

@@ -110,8 +110,8 @@ def seaward_extend(x,y,z,slope=1/20,depth=-20):
     ## dummy array
     x_dummy     = np.arange(x[0, 0]-distance, x[0, 0], dx_grid)
     # prevent very small grid sizes when floating point zero goes wrong for computing var distance!
-    if (x_dummy[-1]-x[0, 0])< 0.01:
-        x_dummy = x_dummy[:-1]  
+    #if (x_dummy[-1]-x[0, 0])< 0.01:
+    #    x_dummy = x_dummy[:-1]  
 
     x_extend    = np.ones((x.shape[0], len(x_dummy) ))
     x_extend    = x_extend * x_dummy

xbTools/xbeachtools.py

@@ -556,15 +556,15 @@ def _plotdomain(self,save_path=None):
         thetamin_uv, thetamax_uv = self._make_theta_vectors()
         if self.fast1D==True:
             plt.subplot(2,1,1)
-            plt.plot(np.squeeze(self.xgr),np.squeeze(self.zgr)*self.posdwn)
+            plt.plot(np.squeeze(self.xgr),np.squeeze(self.zgr)*-self.posdwn)
             plt.ylabel('z')
             plt.subplot(2,1,2)
             plt.plot(np.squeeze(self.xgr)[1:],np.diff(np.squeeze(self.xgr)))
             plt.xlabel('x')
             plt.ylabel('dx')
         else:
             plt.subplot(2,2,1)
-            plt.pcolor(self.xgr,self.ygr,self.zgr*self.posdwn)
+            plt.pcolor(self.xgr,self.ygr,self.zgr*-self.posdwn)
             plt.ylabel('y')
             plt.colorbar()
             plt.axis('equal')
@@ -585,7 +585,7 @@ def _plotdomain(self,save_path=None):
 
             plt.subplot(2,2,3)
             [X_world,Y_world] = rotate_grid(self.xgr,self.ygr,np.deg2rad(self.alfa))
-            plt.pcolor(X_world+self.xori,Y_world+self.yori,self.zgr*self.posdwn)
+            plt.pcolor(X_world+self.xori,Y_world+self.yori,self.zgr*-self.posdwn)
             plt.xlabel('x')
             plt.ylabel('y')
             plt.axis('equal')