[insitu] Corrected CoProcess-calls to be indep. of OGS output config.

Note: The last time is always outputted and may be outputted two times
if the config marks it to output. E.g.
- num timesteps: 10
- output every second time step

--> last time step is outputted twice

Applications/InSituLib/Adaptor.cpp

@@ -71,7 +71,8 @@ void CoProcess(MeshLib::Mesh const& mesh, double const time,
     }
     if (Processor->RequestDataDescription(dataDescription.GetPointer()) != 0)
     {
-        INFO("Start InSitu process.");
+        INFO("Start InSitu process: timestep #%d (t=%g, last=%d)", timeStep,
+             time, lastTimeStep);
         vtkNew<MeshLib::VtkMappedMeshSource> vtkSource;
         vtkSource->SetMesh(&mesh);
         vtkSource->Update();

ProcessLib/Output.cpp

@@ -125,11 +125,6 @@ void Output::doOutputAlways(Process const& process,
 
     INFO("[time] Output of timestep %d took %g s.", timestep,
          time_output.elapsed());
-
-#ifdef USE_INSITU
-    // TODO: get number of timesteps
-    InSituLib::CoProcess(process.getMesh(), t, timestep, false);
-#endif
 }
 
 void Output::doOutput(Process const& process,
@@ -140,6 +135,11 @@ void Output::doOutput(Process const& process,
 {
     if (shallDoOutput(timestep, _repeats_each_steps))
         doOutputAlways(process, process_output, timestep, t, x);
+#ifdef USE_INSITU
+    // Note: last time step may be output twice: here and in
+    // doOutputLastTimestep() which throws a warning.
+    InSituLib::CoProcess(process.getMesh(), t, timestep, false);
+#endif
 }
 
 void Output::doOutputLastTimestep(Process const& process,
@@ -150,6 +150,9 @@ void Output::doOutputLastTimestep(Process const& process,
 {
     if (!shallDoOutput(timestep, _repeats_each_steps))
         doOutputAlways(process, process_output, timestep, t, x);
+#ifdef USE_INSITU
+    InSituLib::CoProcess(process.getMesh(), t, timestep, true);
+#endif
 }
 
 void Output::doOutputNonlinearIteration(Process const& process,