<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">Hello Cactus users,</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4"><br></font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">I am new to Einstein Toolkit. I want to write a simple parameter file, according to my understanding of Thorn. When I use the Thorn in EinsteinAnalysis, I encountered a warning (Level 1) and CarpetIOBasic can&#39;t output normally.</font></span></div><div dir="ltr"><span style="font-size:large;font-family:arial,sans-serif"><br></span></div><div dir="ltr"><span style="font-size:large;font-family:arial,sans-serif">I couldn&#39;t find the reason for the warning, because the warning message is brief.</span><br></div><div dir="ltr"><br></div><div><span style="font-family:arial,sans-serif"><font size="4">------------------------ par file -----------------------</font></span></div><div><div>######################################</div><div># Flesh parameters</div><div>######################################</div><div>Cactus::terminate       = &quot;iteration&quot;</div><div>Cactus::cctk_itlast     = 0</div><div><br></div><div>######################################</div><div># Coordinate</div><div>######################################</div><div>ActiveThorns = &quot;Carpet CarpetLib CoordBase CartGrid3D&quot;</div><div><br></div><div>Carpet::domain_from_coordbase = yes</div><div>CartGrid3D::type = &quot;coordbase&quot;</div><div>CartGrid3D::domain       = &quot;full&quot;</div><div><br></div><div>CoordBase::domainsize = &quot;minmax&quot;</div><div><br></div><div>CoordBase::xmin       = -20.0</div><div>CoordBase::ymin       = -20.0</div><div>CoordBase::zmin       = -20.0</div><div>CoordBase::xmax       = +20.0</div><div>CoordBase::ymax       = +20.0</div><div>CoordBase::zmax       = +20.0</div><div>CoordBase::dx         =     1</div><div>CoordBase::dy         =     1</div><div>CoordBase::dz         =     1</div><div><br></div><div>driver::ghost_size       = 3</div><div>######################################</div><div># Boundary</div><div>######################################</div><div>ActiveThorns = &quot;boundary symbase&quot;</div><div><br></div><div>CoordBase::boundary_size_x_lower        = 3</div><div>CoordBase::boundary_size_y_lower        = 3</div><div>CoordBase::boundary_size_z_lower        = 3</div><div>CoordBase::boundary_size_x_upper        = 3</div><div>CoordBase::boundary_size_y_upper        = 3</div><div>CoordBase::boundary_size_z_upper        = 3</div><div><br></div><div>######################################</div><div># Initial Condition</div><div>######################################</div><div>ActiveThorns = &quot;ADMBase&quot;</div><div><br></div><div>ADMBase::initial_data    = &quot;Cartesian Minkowski&quot;</div><div>ADMBase::initial_lapse   = &quot;one&quot;</div><div>ADMBase::initial_shift   = &quot;zero&quot;</div><div>ADMBase::initial_dtlapse = &quot;zero&quot;</div><div>ADMBase::initial_dtshift = &quot;zero&quot;</div><div><br></div><div>######################################</div><div># Analysis</div><div>######################################</div><div>ActiveThorns = &quot;ADMMass StaticConformal SpaceMask ADMMacros&quot;</div><div>ADMMass::ADMMass_surface_distance[0] = 12</div><div><br></div><div>######################################</div><div># IO</div><div>######################################</div><div>ActiveThorns = &quot;IOUtil CarpetIOBasic CarpetReduce CarpetIOASCII CarpetIOHDF5 CarpetIOScalar&quot;</div><div><br></div><div>IO::out_dir             = $parfile</div><div>IO::out_every = 1</div><div><br></div><div>IOBasic::outInfo_vars = &quot;ADMMass::ADMMass_box&quot;</div></div><div><br></div><div><span style="font-family:arial,sans-serif"><font size="4">------------------------ Warning --------------------</font></span></div><div>WARNING[L1,P0] (CarpetIOBasic): Cannot output variable &quot;ADMMASS::ADMMass_box_x_max&quot; because it has no storage<span style="font-family:arial,sans-serif"><font size="4"><br></font></span></div><div><span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium"><br></span></div><div><br></div><div><span style="color:rgb(0,0,0);font-family:-webkit-standard"><font size="4">I also want to know the difference between output-0000 and output-0000-active in simulation directory.</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4"><br></font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">Thanks,</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">Yu Liu</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">---------------------------</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">Yu Liu</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">PhD Student</font></span></div><div dir="ltr"><span style="font-family:arial,sans-serif"><font size="4">School of Physics</font></span></div><div dir="ltr"><font size="4"><font face="arial, sans-serif">Huazhong University of Science and Technology</font></font></div></div></div></div></div></div></div>