Implement zero-sized speed array to limit checking

src/2d/shallow/flag2refine2.f90

@@ -100,7 +100,7 @@ subroutine flag2refine2(mx,my,mbc,mbuff,meqn,maux,xlower,ylower,dx,dy,t,level, &
             ! the storm and refine if we are
             if (storm_specification_type /= 0) then
                 R_eye = storm_location(t)
-                do m=1,size(R_refine,1)
+                do m=1,min(size(R_refine), mxnest)
                     if (coordinate_system == 2) then
                         ds = spherical_distance(x_c, y_c, R_eye(1), R_eye(2))
                     else
@@ -116,7 +116,7 @@ subroutine flag2refine2(mx,my,mbc,mbuff,meqn,maux,xlower,ylower,dx,dy,t,level, &
                 ! Refine based on wind speed
                 if (wind_forcing) then
                     wind_speed = sqrt(aux(wind_index,i,j)**2 + aux(wind_index+1,i,j)**2)
-                    do m=1,size(wind_refine,1)
+                    do m=1,min(size(wind_refine), mxnest)
                         if ((wind_speed > wind_refine(m)) .and. (level <= m)) then
                             amrflags(i,j) = DOFLAG
                             cycle x_loop
@@ -147,7 +147,7 @@ subroutine flag2refine2(mx,my,mbc,mbuff,meqn,maux,xlower,ylower,dx,dy,t,level, &
                     ! also have a per layer criteria since this is not
                     ! gradient based
                     speed = sqrt(q(2,i,j)**2 + q(3,i,j)**2) / q(1,i,j)
-                    do m=1,min(size(speed_tolerance),mxnest)
+                    do m=1,min(size(speed_tolerance), mxnest)
                         if (speed > speed_tolerance(m) .and. level <= m) then
                             amrflags(i,j) = DOFLAG
                             cycle x_loop

src/2d/shallow/utility_module.f90

@@ -52,16 +52,21 @@ integer function get_value_count(line) result(count)
 
         search_buffer = trim(line(1:index(line,"=:") - 2))
 
-        do i=1,len_trim(search_buffer)
-            if (search_buffer(i:i) == " ") then
-                if (.not. found) then
-                    found = .true.
-                    count = count + 1
+        if (len_trim(search_buffer) == 0 .or.                                  &
+                trim(search_buffer) == "None") then
+            count = 0
+        else
+            do i=1,len_trim(search_buffer)
+                if (search_buffer(i:i) == " ") then
+                    if (.not. found) then
+                        found = .true.
+                        count = count + 1
+                    endif
+                else
+                    found = .false.
                 endif
-            else
-                found = .false.
-            endif
-        enddo
+            enddo
+        end if
 
     end function get_value_count
 

src/python/geoclaw/data.py

@@ -125,7 +125,7 @@ def __init__(self):
 
         # Refinement controls
         self.add_attribute('wave_tolerance',1.0e-1)
-        self.add_attribute('speed_tolerance',[1.0e12]*6)
+        self.add_attribute('speed_tolerance', None)
         self.add_attribute('deep_depth',None)      # deprecated
         self.add_attribute('max_level_deep',None)  # deprecated
         self.add_attribute('variable_dt_refinement_ratios',False)
@@ -144,7 +144,7 @@ def write(self,data_source='setrun.py', out_file='refinement.data'):
             w = '\n  *** WARNING: max_level_deep parameter ignored as of v5.8.0'
             warnings.warn(w, UserWarning)
 
-        if not isinstance(self.speed_tolerance,list):
+        if isinstance(self.speed_tolerance, float):
             self.speed_tolerance = [self.speed_tolerance]
         self.data_write('speed_tolerance')
         self.data_write()
@@ -569,7 +569,7 @@ def __init__(self):
 
         # AMR parameters
         self.add_attribute('wind_refine', [20.0,40.0,60.0])
-        self.add_attribute('R_refine', [60.0e3,40e3,20e3])
+        self.add_attribute('R_refine', [60.0e3, 40e3, 20e3])
 
         # Storm parameters
         self.add_attribute('storm_type', None)  # Backwards compatibility