diff --git a/Source/smokeview/IOpart.c b/Source/smokeview/IOpart.c
index 5af5b8f2b..8ecb417dc 100644
--- a/Source/smokeview/IOpart.c
+++ b/Source/smokeview/IOpart.c
@@ -1177,6 +1177,44 @@ void GeneratePartHistograms(void){
   }
 }
 
+#ifdef pp_SORT_TAGS
+/* ------------------ SortPartTags ------------------------ */
+
+void SortPartTags(partdata *parti){
+  int i;
+  part5data *datacopy_local;
+
+  datacopy_local = parti->data5;
+  for(i = 0; i < parti->ntimes; i++){
+    int class_index;
+    
+    for(class_index = 0; class_index < parti->nclasses; class_index++){
+      qsort(datacopy_local->sort_tags, ( size_t )datacopy_local->npoints_file, 2*sizeof(int), CompareTags);
+      datacopy_local++;
+    }
+  }
+}
+
+/* ------------------ SortAllPartTags ------------------------ */
+
+void *SortAllPartTags(void *arg){
+  int i;
+
+  INIT_PRINT_TIMER(timer_sortparttags);
+  for(i = 0; i < npartinfo; i++){
+    partdata *parti;
+
+    parti = partinfo + i;
+    if(parti->loaded == 0)continue;
+    SortPartTags(parti);
+  }
+  PRINT_TIMER(timer_sortparttags, "SortPartTags");
+#ifdef pp_SORT_TAGS_BG
+  THREAD_EXIT(sorttags_threads);
+#endif
+}
+#endif
+
 /* ------------------ GetPartData ------------------------ */
 
 void GetPartData(partdata *parti, int nf_all_arg, FILE_SIZE *file_size_arg){
@@ -1306,7 +1344,9 @@ void GetPartData(partdata *parti, int nf_all_arg, FILE_SIZE *file_size_arg){
             sort_tags_local[2*j]=datacopy_local->tags[j];
             sort_tags_local[2*j+1]=j;
           }
+#ifndef pp_SORT_TAGS
           qsort( sort_tags_local, (size_t)nparts_local, 2*sizeof(int), CompareTags);
+#endif
         }
       }
       else{
@@ -1449,6 +1489,17 @@ partpropdata *GetPartProp(char *label){
   return NULL;
 }
 
+/* ------------------ SetStreakShow ------------------------ */
+
+void SetStreakShow(int show){
+#ifdef pp_SORT_TAGS_BG
+  if(show == 1){
+    THREADcontrol(sorttags_threads, THREAD_JOIN);
+  }
+#endif
+  streak5show = show;
+}
+
 /* ------------------ InitPartProp ------------------------ */
 
 void InitPartProp(void){
@@ -2108,6 +2159,16 @@ void FinalizePartLoad(partdata *parti){
     }
   }
   visParticles = 1;
+#ifdef pp_SORT_TAGS
+#ifdef pp_SORT_TAGS_BG
+  THREADrun(sorttags_threads);
+  if(runscript == 1 || streak5show == 1){
+    THREADcontrol(sorttags_threads, THREAD_JOIN);
+  }
+#else
+  SortAllPartTags(NULL);
+#endif
+#endif
 
   // generate histograms now rather than in the background if a script is running
 
@@ -2229,7 +2290,9 @@ FILE_SIZE ReadPart(char *file_arg, int ifile_arg, int load_flag, int *errorcode_
     return 0.0;
   }
   CheckMemory;
+  INIT_PRINT_TIMER(timer_getpartdata);
   GetPartData(parti, nf_all_local, &file_size_local);
+  PRINT_TIMER(timer_getpartdata, "GetPartData");
   CheckMemory;
   THREADcontrol(partload_threads, THREAD_LOCK);
   parti->loaded = 1;
@@ -2258,7 +2321,7 @@ FILE_SIZE ReadPart(char *file_arg, int ifile_arg, int load_flag, int *errorcode_
     if(parti->finalize == 1){
       INIT_PRINT_TIMER(finalize_part);
       FinalizePartLoad(parti);
-      PRINT_TIMER(finalize_part, "finalize particle time");
+      PRINT_TIMER(finalize_part, "FinalizePartLoad");
     }
     STOP_TIMER(load_time_local);
 #ifndef pp_PARTFRAME
diff --git a/Source/smokeview/glui_bounds.cpp b/Source/smokeview/glui_bounds.cpp
index 20c433280..9f6b5d19d 100644
--- a/Source/smokeview/glui_bounds.cpp
+++ b/Source/smokeview/glui_bounds.cpp
@@ -6363,10 +6363,10 @@ void PartBoundCB(int var){
   case STREAKLENGTH:
     UpdateStreakValue(float_streak5value-0.001);
     if(float_streak5value==0.0){
-      streak5show=0;
+      SetStreakShow(0);
     }
     else{
-      streak5show=1;
+      SetStreakShow(1);
     }
     updatemenu=1;
     break;
diff --git a/Source/smokeview/menus.c b/Source/smokeview/menus.c
index a915762ee..dcbf775e1 100644
--- a/Source/smokeview/menus.c
+++ b/Source/smokeview/menus.c
@@ -3901,14 +3901,14 @@ void ParticleStreakShowMenu(int value){
 
   if(value==-1)return;
   if(value==MENU_STREAK_HIDE){
-    streak5show=0;
+    SetStreakShow(0);
     streak5step=0;
   }
   else if(value==MENU_STREAK_HEAD){
     showstreakhead=1-showstreakhead;
   }
   else{
-    streak5show=1;
+    SetStreakShow(1);
     streak5step=0;
     rvalue=streak_rvalue[value];
     UpdateStreakValue(rvalue-0.001);
diff --git a/Source/smokeview/options.h b/Source/smokeview/options.h
index 6e0ab8d88..ff2d2730b 100644
--- a/Source/smokeview/options.h
+++ b/Source/smokeview/options.h
@@ -16,6 +16,8 @@
 #define pp_GPUTHROTTLE      // pp_GPU directive must also be set
 #endif
 //#define pp_FDS            // create a 1 mesh input file
+#define pp_SORT_TAGS        // sort particle tags after after particles are read in
+#define pp_SORT_TAGS_BG     // sort particle tags in background
 
 #ifdef pp_FRAME          // turn on each frame type if pp_FRAME is set
 #define pp_BOUNDFRAME    // turn on frame code for boundary files
diff --git a/Source/smokeview/readsmv.c b/Source/smokeview/readsmv.c
index 4c4c1d32d..074c7d726 100644
--- a/Source/smokeview/readsmv.c
+++ b/Source/smokeview/readsmv.c
@@ -11882,6 +11882,12 @@ int ReadSMV_Configure(){
   THREADrun(ffmpeg_threads);
   PRINT_TIMER(timer_readsmv, "SetupFFMT");
 
+#ifdef pp_SORT_TAGS_BG
+  if(sorttags_threads == NULL){
+    sorttags_threads = THREADinit(&n_sorttags_threads, &use_sorttags_threads, SortAllPartTags);
+  }
+#endif
+
   if(isosurface_threads == NULL){
     isosurface_threads = THREADinit(&n_isosurface_threads, &use_isosurface_threads, SetupAllIsosurfaces);
   }
diff --git a/Source/smokeview/smokeheaders.h b/Source/smokeview/smokeheaders.h
index db2d853dc..1c6d488dd 100644
--- a/Source/smokeview/smokeheaders.h
+++ b/Source/smokeview/smokeheaders.h
@@ -24,6 +24,9 @@ EXTERNCPP void *ReadVolsmokeAllFramesAllMeshes2(void *arg);
 EXTERNCPP void *SetupAllIsosurfaces(void *arg);
 EXTERNCPP void *MtMergeSmoke3D(void *arg);
 EXTERNCPP void UpdateGluiMergeSmoke(void);
+#ifdef pp_SORT_TAGS
+EXTERNCPP void *SortAllPartTags(void *arg);
+#endif
 
 //*** glui_bounds.cpp headers
 EXTERNCPP int  GLUIGetChopHide(char *label);
@@ -1115,6 +1118,7 @@ EXTERNCPP void SetSliceMax(int set_valmax, float valmax, char *buffer2);
 EXTERNCPP void SetSliceBounds(int set_valmin, float valmin, int set_valmax, float valmax, char *buffer2);
 EXTERNCPP void SetBoundBounds(int set_valmin, float valmin, int set_valmax, float valmax, char *buffer2);
 
+EXTERNCPP void SetStreakShow(int show);
 EXTERNCPP void GetPartColors(partdata *parti, int nlevels, int flag);
 EXTERNCPP void GetBoundaryColors(float *t, int nt, unsigned char *it,
               int settmin, float *tmin, int settmax, float *tmax,
diff --git a/Source/smokeview/smokeviewvars.h b/Source/smokeview/smokeviewvars.h
index cd7fa50b1..1155a8186 100644
--- a/Source/smokeview/smokeviewvars.h
+++ b/Source/smokeview/smokeviewvars.h
@@ -76,6 +76,12 @@ SVEXTERN int SVDECL(use_partload_threads, 1);
 #endif
 SVEXTERN threaderdata SVDECL(*partload_threads,         NULL);
 
+#ifdef pp_SORT_TAGS_BG
+//*** sorttags
+SVEXTERN int SVDECL(n_sorttags_threads, 1), SVDECL(use_sorttags_threads, 1);
+SVEXTERN threaderdata SVDECL(*sorttags_threads, NULL);
+#endif
+
 //*** patchbounds
 SVEXTERN int SVDECL(n_patchbound_threads, 1), SVDECL(use_patchbound_threads, 1);
 SVEXTERN threaderdata SVDECL(*patchbound_threads, NULL);
diff --git a/vistest/large/part/part.fds b/vistest/large/part/part1gb.fds
similarity index 56%
rename from vistest/large/part/part.fds
rename to vistest/large/part/part1gb.fds
index bc6b1e24b..8d3d71147 100644
--- a/vistest/large/part/part.fds
+++ b/vistest/large/part/part1gb.fds
@@ -1,8 +1,10 @@
-&HEAD CHID='part' /
+&HEAD CHID='part1gb' /
 
 &MESH IJK=10,10,4, XB=0.0,1.0,0.0,1.0,0.0,0.4 /
 
-&TIME T_END=60 /
+&DUMP NFRAMES=550 /
+
+&TIME T_END=55.0 /
 
 &SURF ID='hot', GEOMETRY='SPHERICAL', HEAT_TRANSFER_COEFFICIENT=0., EMISSIVITY=1., TMP_FRONT=800, RADIUS=0.005 /
 
@@ -10,14 +12,8 @@
 
 &PROP ID='ball shape', SMOKEVIEW_ID='SPHERE', SMOKEVIEW_PARAMETERS(1)='D=0.01' /
 
-&INIT PART_ID='embers', N_PARTICLES=800000, XB=0.0,1.0,0.0,1.0,0.0,0.02 /
+&INIT PART_ID='embers', N_PARTICLES=100000, XB=0.0,1.0,0.0,1.0,0.0,0.02 /
 
 &VENT MB='ZMAX', SURF_ID='OPEN' /
 
-&BNDF QUANTITY='GAUGE HEAT FLUX', CELL_CENTERED=T /
-&BNDF QUANTITY='WALL TEMPERATURE', CELL_CENTERED=T /
-
-&SLCF PBY=0.5, QUANTITY='RADIATION LOSS', CELL_CENTERED=T /
-&SLCF PBY=0.5, QUANTITY='INTEGRATED INTENSITY', CELL_CENTERED=T /
-
 &TAIL /
diff --git a/vistest/large/part/part1gb.ini b/vistest/large/part/part1gb.ini
new file mode 100644
index 000000000..d9ce376a9
--- /dev/null
+++ b/vistest/large/part/part1gb.ini
@@ -0,0 +1,669 @@
+# NIST Smokeview configuration file, Release Sep 26 2024
+
+
+ ------------ global ini settings ------------
+
+   *** COLOR/LIGHTING ***
+
+BACKGROUNDCOLOR
+ 0.000000 0.000000 0.000000
+BLOCKCOLOR
+ 1.000000 0.800000 0.400000
+BLOCKSHININESS
+ 100.000000
+BLOCKSPECULAR
+ 0.000000 0.000000 0.000000
+BOUNDCOLOR
+ 0.500000 0.500000 0.500000
+COLORBAR
+ 12 1 -1 5
+ 0.000299 0.000000 1.000000
+ 0.245451 0.294577 0.942934
+ 0.290415 0.458755 0.883579
+ 0.257206 0.607984 0.820800
+ 0.000159 0.752952 0.752946
+ 0.224347 0.842371 0.564313
+ 0.194393 0.938675 0.329380
+ 0.360483 0.955550 0.000000
+ 0.662853 0.821588 0.000000
+ 0.823603 0.662262 0.000000
+ 0.925208 0.461607 0.000000
+ 1.000000 0.000000 0.000000
+COLOR2BAR
+ 8
+ 1.000000 1.000000 1.000000 :white  
+ 1.000000 1.000000 0.000000 :yellow 
+ 0.000000 0.000000 1.000000 :blue   
+ 1.000000 0.000000 0.000000 :red    
+ 0.000000 1.000000 0.000000 :green  
+ 1.000000 0.000000 1.000000 :magenta
+ 0.000000 1.000000 1.000000 :cyan   
+ 0.000000 0.000000 0.000000 :black  
+COLORBAR_FLIP
+ 0 1
+COLORBAR_SPLIT
+ 0 0 0 64 64 255
+ 0 192 0 255 0 0
+ -1.000000 0.000000 1.000000
+CO2COLOR
+ 64 156 215
+DIRECTIONCOLOR
+ 0.152941 0.250980 0.545098
+FLIP
+ 1
+FOREGROUNDCOLOR
+ 1.000000 1.000000 1.000000
+GEOMSELECTCOLOR
+ 255 255 255
+ 0 0 0
+ 255 128 0
+HEATOFFCOLOR
+ 1.000000 0.000000 0.000000
+HEATONCOLOR
+ 1.000000 0.000000 0.000000
+ISOCOLORS
+ 10.000000 0.118000 1 1 : shininess, default opaqueness
+ 0.700000 0.700000 0.700000 : specular
+ 10 : number of levels
+ 0.957255 0.000392 0.957255 0.118039 : red, green, blue, alpha (opaqueness)
+ 0.750000 0.800000 0.800000 0.119608
+ 0.000000 0.960000 0.280000 0.119608
+ 0.000000 0.000000 1.000000 0.119608
+ 0.000000 0.718750 1.000000 0.119608
+ 0.000000 1.000000 0.562500 0.119608
+ 0.171875 1.000000 0.000000 0.119608
+ 0.890625 1.000000 0.000000 0.119608
+ 1.000000 0.380952 0.000000 0.119608
+ 1.000000 0.000000 0.000000 0.119608
+COLORTABLE
+ 2 
+ 210 180 140 255 % tan
+ 178 34 34 255 % firebrick
+LIGHTING
+ 1
+LIGHTFACES
+ 1
+LIGHTANGLES0
+ 45.000000 30.000000 1
+LIGHTANGLES1
+ 135.000000 30.000000 1
+LIGHTPROP
+ 0.600000 0.600000 0.600000
+ 0.500000 0.500000 0.500000
+OUTLINECOLOR
+ 0 255 255
+SENSORCOLOR
+ 1.000000 1.000000 0.000000
+SENSORNORMCOLOR
+ 1.000000 1.000000 0.000000
+SETBW
+ 0 0
+SPRINKOFFCOLOR
+ 1.000000 0.000000 0.000000
+SPRINKONCOLOR
+ 0.000000 1.000000 0.000000
+STATICPARTCOLOR
+ 0.000000 1.000000 0.000000
+TIMEBARCOLOR
+ 0.600000 0.600000 0.600000
+VENTCOLOR
+ 1.000000 0.000000 1.000000
+
+   *** SIZES/OFFSETS ***
+
+GEOMSAXIS
+ 1.000000 1.000000
+GRIDLINEWIDTH
+ 2.000000
+ISOLINEWIDTH
+ 2.000000
+ISOPOINTSIZE
+ 4.000000
+LINEWIDTH
+ 2.000000
+PARTPOINTSIZE
+ 4.000000
+PLOT3DLINEWIDTH
+ 2.000000
+PLOT3DPOINTSIZE
+ 4.000000
+SENSORABSSIZE
+ 0.038000
+SENSORRELSIZE
+ 1.000000
+SLICEOFFSET
+ 0.100000 0.000000 1
+SMOOTHLINES
+ 1
+SPHERESEGS
+ 6
+SORTSLICES
+ 1
+SPRINKLERABSSIZE
+ 0.076000
+STREAKLINEWIDTH
+ 1.000000
+TICKLINEWIDTH
+ 2.000000
+USENEWDRAWFACE
+ 0
+VECCONTOURS
+ 0 1
+VECLENGTH
+ 4 1.000000 1.000000 0 0 0
+VECTORLINEWIDTH
+ 1.000000 1.000000
+VECTORPOINTSIZE
+ 2.000000
+VENTLINEWIDTH
+ 2.000000
+VENTOFFSET
+ 0.100000
+WINDOWOFFSET
+ 45
+WINDOWWIDTH
+ 640
+WINDOWHEIGHT
+ 480
+
+ *** DATA LOADING ***
+
+CSV
+ 0
+LOADINC
+ 0
+NOPART
+ 1
+PARTFAST
+ 1 0 1
+RESEARCHMODE
+ 1 1 1.000000 4 0 4 0 0
+SLICEAVERAGE
+ 0 10.000000 0
+SLICEDATAOUT
+ 0 
+USER_ROTATE
+ -3 0 0.250000 0.250000 0.500000
+ZIPSTEP
+ 1
+
+ *** VIEW PARAMETERS ***
+
+APERTURE
+ 2
+BLOCKLOCATION
+ 5
+BEAM
+ 1 4.000000 0 255 255 255
+BLENDMODE
+ 0 0 0
+BOUNDARYMESH
+ 0
+BOUNDARYTWOSIDE
+ 0
+CLIP
+ 0.001000 3.000000
+CONTOURTYPE
+ 0
+CULLFACES
+ 1
+ENABLETEXTURELIGHTING
+ 0
+EYEVIEW
+ 0
+FONTSIZE
+ 0
+FIREPARAMS
+FRAMERATEVALUE
+ 1000
+FREEZEVOLSMOKE
+ 0 0
+GEOMBOUNDARYPROPS
+ 1 0 0 5.000000 5.000000 2
+SHOWSLICEVALS
+ 0 0 0
+GEOMCELLPROPS
+ 2
+ 2 2 2
+ 1 0 1 5.000000 1 0 1
+ 0 0 0
+ 0 0 0
+GEOMDOMAIN
+ 1 1
+GEOMSHOW
+ 0 1 1 0 1 0 0.500000 2.000000 1 0 6.000000 0.000000 0.010000
+ 0 0 0 0
+ 1.000000 30.000000 0 0 2 0
+GVERSION
+ 0
+GVECDOWN
+ 1
+ISOTRAN2
+ 4
+NORTHANGLE
+ 0
+ 0.000000 0.000000 0.100000
+OFFSETSLICE
+ 0
+OUTLINEMODE
+ 1 0
+P3DSURFACETYPE
+ 1
+P3DSURFACESMOOTH
+ 1
+PLOT2DHRRBOUNDS
+ 0 0.000000 0 1.000000
+PROJECTION
+ 0
+SCALEDFONT
+ 12 1.000000 1
+ 32 1.000000 1
+SHOWALLTEXTURES
+ 1
+SHOWAXISLABELS
+ 0
+SHOWBLOCKLABEL
+ 0
+SHOWBLOCKS
+ 1
+SHOWBOUNDS
+ 0 0
+SHOWCADOPAQUE
+ 0
+SHOWCEILING
+ 0
+SHOWCHID
+ 0
+SHOWCOLORBARS
+ 1 0
+SHOWCVENTS
+ 0 0
+SHOWDUMMYVENTS
+ 1
+SHOWFIRECUTOFF
+ 0
+SHOWFLOOR
+ 0
+SHOWFRAME
+ 1
+SHOWFRAMELABEL
+ 1
+SHOWFRAMETIMELABEL
+ 1
+SHOWFRAMERATE
+ 0
+SHOWGRID
+ 0
+SHOWGRIDLOC
+ 0
+SHOWHMSTIMELABEL
+ 0
+SHOWHRRLABEL
+ 0
+SHOWISO
+ 1
+SHOWISONORMALS
+ 0
+SHOWLABELS
+ 0
+SHOWMEMLOAD
+ 0
+SHOWPARTTAG
+ 0
+SHOWOPENVENTS
+ 0 0
+SHOWOTHERVENTS
+ 1
+SHOWROOMS
+ 1
+SHOWSENSORS
+ 1 1
+SHOWSLICEINOBST
+ 0
+SHOWSMOKEPART
+ 2
+SHOWSPRINKPART
+ 1
+SHOWSTREAK
+ 0 0 1 -2
+SHOWTERRAIN
+ 0 0
+SHOWTHRESHOLD
+ 0 0 400.000000
+SHOWTICKS
+ 0
+SHOWTIMEBAR
+ 1 2
+SHOWTIMELABEL
+ 1
+SHOWTITLE
+ 0 0 0
+SHOWTRACERSALWAYS
+ 0
+SHOWTRANSPARENT
+ 0
+SHOWTRIANGLES
+ 1 0 0 0 1 1 1
+SHOWTRANSPARENTVENTS
+ 1
+SHOWTRIANGLECOUNT
+ 0
+SHOWVENTFLOW
+ 1 0 1 1 1
+SHOWTARGETS
+ 1 
+SHOWVENTS
+ 1
+SHOWWALLS
+ 0 0
+SKIPEMBEDSLICE
+ 0
+SLICEDUP
+ 1 0 1
+SMOKESENSORS
+ 1 0
+STARTUPLANG
+ en
+STEREO
+ 0
+SURFINC
+ 0
+TERRAINPARMS
+ 90 50 50
+ 200 200 200
+ 1.000000
+TITLESAFE
+ 0
+TRAINERVIEW
+ 1
+TRANSPARENT
+ 1 0.800000 1 1
+TREEPARMS
+ 3 0 0 1
+TWOSIDEDVENTS
+ 1 0
+VECTORSKIP
+ 1
+VISBOUNDARYTYPE
+ 1  1  1  1  1  1  1  0 0 
+WINDROSEDEVICE
+ 0 1 1 0 0 0 1 0 1
+ 8 12 0 0.200000 5 25
+WINDROSEMERGE
+ 0 0.000000 0.000000 0.000000 0.000000
+ZOOM
+ 2 1.000000
+
+ *** MISC ***
+
+SHOWSLICEVALS
+ 0
+INPUT_FILE
+ part1gb.fds
+LABELSTARTUPVIEW
+ external
+RENDERCLIP
+ 0 0 0 0 0
+RENDERFILELABEL
+ 0
+RENDERFILETYPE
+ 0 0 2
+MOVIEFILETYPE
+MOVIEFILETYPE
+ 0 10 5000 1 17
+MOVIEPARMS
+ 0 10 0
+RENDEROPTION
+ 993 1 512
+UNITCLASSES
+ 6
+ 0
+ 0
+ 0
+ 0
+ 0
+ 0
+SHOWGRAVVECTOR
+ 0
+
+ *** 3D SMOKE INFO ***
+
+COLORBARTYPE
+ 0 % Rainbow 
+COLORMAP
+ CO2 1 CO2
+EXTREMECOLORS
+ 0 0 0 0 0 0
+FIRECOLOR
+ 255 128 0
+FIRECOLORMAP
+ FIRE 1 fire
+FIREDEPTH
+ 3.000000 10.000000 3.000000 0 0
+HRRPUVCUTOFF
+ 200.000000
+SHOWEXTREMEDATA
+ 0 0 0
+SLICESKIP
+ 1 1 1 1
+SMOKECOLOR
+ 0 0 0 1
+SMOKECULL
+ 0
+SMOKEFIREPROP
+ 1 0
+SMOKEPROP
+0.000000
+SMOKESKIP
+ 0 1 1 1 1
+USEGPU
+ 0
+VOLSMOKE
+ 0 1 1 0 1
+ 20.000000 600.000000 2000.000000 3.000000 8700.000000 1.000000 1.000000
+
+ *** ZONE FIRE PARAMETRES ***
+
+SHOWHAZARDCOLORS
+ 0
+SHOWZONEPLANE
+ 2 1
+SHOWSZONE
+ 0
+SHOWZONEFIRE
+ 1
+
+ *** TOUR INFO ***
+
+SHOWAVATAR
+ 1
+SHOWPATHNODES
+ 0
+SHOWTOURROUTE
+ 0
+TOURCOLORS
+ 1.000000 0.000000 0.000000   :selected path line
+ 1.000000 0.000000 0.000000   :selected path line knots
+ 0.000000 1.000000 0.000000   :selected knot
+ -1.000000 -1.000000 -1.000000   :path line
+ -1.000000 -1.000000 -1.000000   :path knots
+ -1.000000 -1.000000 -1.000000   :text
+ 1.000000 0.000000 0.000000   :avatar
+VIEWALLTOURS
+ 0
+VIEWTIMES
+ 0.000000 53.000000 530
+VIEWTOURFROMPATH
+ 0 0 0.000000
+
+ ------------ local ini settings ------------
+
+BOUNDARYOFFSET
+ 0.000000 
+DEVICEVECTORDIMENSIONS
+ 1.000000 0.100000 0.200000 0.200000
+DEVICEBOUNDS
+ 0.000000 1.000000
+DEVICEORIENTATION
+ 0 1.000000
+GRIDPARMS
+ 0 1 0
+ 5 5 2
+GSLICEPARMS
+ 0 0 0 0
+ 0.500000 0.500000 0.200000
+ 0.000000 90.000000
+LOADFILESATSTARTUP
+ 0
+MSCALE
+ 1.000000 1.000000 1.000000
+PARTAUTO
+ 1 
+ 1
+COMPRESSAUTO
+ 0 
+PART5PROPDISP
+  1 
+  1 
+PART5COLOR
+ 0
+partclassdataVIS
+ 1
+ 1
+PARTSKIP
+ 1
+PROPINDEX
+ 3
+ 0 0
+ 1 0
+ 2 0
+SHOOTER
+ 0.500000 0.000000 0.200000
+ 0.250000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.000000 0.000000 4.000000
+ 10 1 100 0 0
+ 1.000000 1.000000
+SHOWDEVICES
+ 9 0 0
+ sensor
+ sphere
+ human_fixed
+ human_altered_with_data
+ ellipsoid
+ disk
+ fire_fighter
+ airpack
+ helmit
+SHOWDEVICEPLOTS
+ 0 1 1 0.150000 1.000000 5.000000 0.000000 0.000000 0.000000 1.200000
+SHOWGENPLOTXLABEL
+ 0, 0.000000
+time
+SHOWGENPLOTS
+ 0
+ 1 1 0 1 1 0 0.000000 1 1
+GENPLOTLABELS
+ 0
+SHOWDEVICEVALS
+ 0 0 0 0 0 0 1 1 0
+SHOWHRRPLOT
+ 1 0 0.000000 0.150000 0
+SHOWMISSINGOBJECTS
+ 1
+SHOWSLICEPLOT
+ 0.000000 0.000000 0.000000 0.150000 0 1 0.000000 0.000000 0.000000 0 1
+SMOKE3DCUTOFFS
+ 1.000000 200.000000
+SHOWGEOMTERRAIN
+0 1 0 0 1
+TOURCIRCLE
+0.500000 0.500000 0.200000 0.500000 0.500000 0.200000 1.873739 0.000000
+TOURINDEX
+ -1
+USERTICKS
+ 0 1 5 1 1 1 1.000000 1
+ 0.000000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.000000 1.000000 0.400000
+ 1.000000 1.000000 1.000000
+ 1 1 1
+XYZCLIP
+ 0
+ 0 -0.001000 0 1.001000
+ 0 -0.001000 0 1.001000
+ 0 -0.000400 0 0.400400
+
+ *** TIME/DATA BOUNDS ***
+  (0/1 min max skip (1=set, 0=unset)
+
+C_BOUNDARY
+ 0 0.000000 0 0.000000 gauge
+C_BOUNDARY
+ 0 0.000000 0 0.000000 temp
+C_PARTICLES
+ 0 0.000000 0 0.000000 Uniform
+C_PARTICLES
+ 0 0.000000 0 0.000000 temp
+C_PLOT3D
+ 0
+C_SLICE
+ 0 0.000000 0 0.000000 loss
+C_SLICE_HIDE
+ 0 loss
+C_SLICE
+ 0 0.000000 0 0.000000 U
+C_SLICE_HIDE
+ 0 U
+CACHE_DATA
+ 1 1 1 1 
+LOADMESH
+ 0 0
+ 0 0.000000 0 1.000000
+ 0 0.000000 0 1.000000
+ 0 0.000000 0 0.400000
+PATCHDATAOUT
+ 0 0.000000 53.000000 0.000000 1.000000 0.000000 1.000000 0.000000 0.400000
+TIMEOFFSET
+ 0.000000
+TLOAD
+ 0 0.000000 0 1.000000 0 0
+V2_BOUNDARY
+ 1 -0.000009 1 71.720627 gauge
+V2_BOUNDARY
+ 1 20.000000 1 20.000000 temp
+V2_PARTICLES
+ 1 0.000000 1 1.000000 Uniform
+V2_PARTICLES
+ 1 20.000000 1 800.000000 temp
+V2_SLICE
+ 1 -0.000003 1 30.573771 loss : 0.000000 1.000000 1
+V2_SLICE
+ 1 1.675038 1 283.612488 U : 0.000000 1.000000 1
+V_TARGET
+ 0 1.000000 0 0.000000
+
+
+# FDS/Smokeview Environment
+# -------------------------
+
+# Smokeview Version: Test
+# Smokeview Build: SMV-6.9.3-988-g7acf7b4-master
+# Smokeview Build Date: Sep 26 2024
+# FDS Version: FDS-6.9.1-845-ge4e69b4-nightly
+# FDS Build: FDS-6.9.1-845-ge4e69b4-nightly
+# Platform: WIN64
+
+
+# Graphics Environment
+# --------------------
+
+# OpenGL Version: 4.6.0 - Build 31.0.101.4032
+#   GLSL Version: 4.60 - Build 31.0.101.4032
+#         Red bits:8
+#       Green bits:8
+#        Blue bits:8
+#       Alpha bits:8
+#       Depth bits:24
+# max texture size:16384
+
diff --git a/vistest/large/part/part4gb.fds b/vistest/large/part/part4gb.fds
new file mode 100644
index 000000000..727feb71e
--- /dev/null
+++ b/vistest/large/part/part4gb.fds
@@ -0,0 +1,18 @@
+&HEAD CHID='part4gb' /
+
+&MESH IJK=10,10,4, XB=0.0,1.0,0.0,1.0,0.0,0.4 /
+&DUMP NFRAMES=2500 /
+
+&TIME T_END=250 /
+
+&SURF ID='hot', GEOMETRY='SPHERICAL', HEAT_TRANSFER_COEFFICIENT=0., EMISSIVITY=1., TMP_FRONT=800, RADIUS=0.005 /
+
+&PART ID='embers', SURF_ID='hot', SAMPLING_FACTOR=1, STATIC=T, QUANTITIES='PARTICLE TEMPERATURE', PROP_ID='ball shape' /
+
+&PROP ID='ball shape', SMOKEVIEW_ID='SPHERE', SMOKEVIEW_PARAMETERS(1)='D=0.01' /
+
+&INIT PART_ID='embers', N_PARTICLES=100000, XB=0.0,1.0,0.0,1.0,0.0,0.02 /
+
+&VENT MB='ZMAX', SURF_ID='OPEN' /
+
+&TAIL /
diff --git a/vistest/large/part/part4gb.ini b/vistest/large/part/part4gb.ini
new file mode 100644
index 000000000..e101f60b3
--- /dev/null
+++ b/vistest/large/part/part4gb.ini
@@ -0,0 +1,669 @@
+# NIST Smokeview configuration file, Release Sep 26 2024
+
+
+ ------------ global ini settings ------------
+
+   *** COLOR/LIGHTING ***
+
+BACKGROUNDCOLOR
+ 0.000000 0.000000 0.000000
+BLOCKCOLOR
+ 1.000000 0.800000 0.400000
+BLOCKSHININESS
+ 100.000000
+BLOCKSPECULAR
+ 0.000000 0.000000 0.000000
+BOUNDCOLOR
+ 0.500000 0.500000 0.500000
+COLORBAR
+ 12 1 -1 5
+ 0.000299 0.000000 1.000000
+ 0.245451 0.294577 0.942934
+ 0.290415 0.458755 0.883579
+ 0.257206 0.607984 0.820800
+ 0.000159 0.752952 0.752946
+ 0.224347 0.842371 0.564313
+ 0.194393 0.938675 0.329380
+ 0.360483 0.955550 0.000000
+ 0.662853 0.821588 0.000000
+ 0.823603 0.662262 0.000000
+ 0.925208 0.461607 0.000000
+ 1.000000 0.000000 0.000000
+COLOR2BAR
+ 8
+ 1.000000 1.000000 1.000000 :white  
+ 1.000000 1.000000 0.000000 :yellow 
+ 0.000000 0.000000 1.000000 :blue   
+ 1.000000 0.000000 0.000000 :red    
+ 0.000000 1.000000 0.000000 :green  
+ 1.000000 0.000000 1.000000 :magenta
+ 0.000000 1.000000 1.000000 :cyan   
+ 0.000000 0.000000 0.000000 :black  
+COLORBAR_FLIP
+ 0 1
+COLORBAR_SPLIT
+ 0 0 0 64 64 255
+ 0 192 0 255 0 0
+ -1.000000 0.000000 1.000000
+CO2COLOR
+ 64 156 215
+DIRECTIONCOLOR
+ 0.152941 0.250980 0.545098
+FLIP
+ 1
+FOREGROUNDCOLOR
+ 1.000000 1.000000 1.000000
+GEOMSELECTCOLOR
+ 255 255 255
+ 0 0 0
+ 255 128 0
+HEATOFFCOLOR
+ 1.000000 0.000000 0.000000
+HEATONCOLOR
+ 1.000000 0.000000 0.000000
+ISOCOLORS
+ 10.000000 0.118000 1 1 : shininess, default opaqueness
+ 0.700000 0.700000 0.700000 : specular
+ 10 : number of levels
+ 0.957255 0.000392 0.957255 0.118039 : red, green, blue, alpha (opaqueness)
+ 0.750000 0.800000 0.800000 0.119608
+ 0.000000 0.960000 0.280000 0.119608
+ 0.000000 0.000000 1.000000 0.119608
+ 0.000000 0.718750 1.000000 0.119608
+ 0.000000 1.000000 0.562500 0.119608
+ 0.171875 1.000000 0.000000 0.119608
+ 0.890625 1.000000 0.000000 0.119608
+ 1.000000 0.380952 0.000000 0.119608
+ 1.000000 0.000000 0.000000 0.119608
+COLORTABLE
+ 2 
+ 210 180 140 255 % tan
+ 178 34 34 255 % firebrick
+LIGHTING
+ 1
+LIGHTFACES
+ 1
+LIGHTANGLES0
+ 45.000000 30.000000 1
+LIGHTANGLES1
+ 135.000000 30.000000 1
+LIGHTPROP
+ 0.600000 0.600000 0.600000
+ 0.500000 0.500000 0.500000
+OUTLINECOLOR
+ 0 255 255
+SENSORCOLOR
+ 1.000000 1.000000 0.000000
+SENSORNORMCOLOR
+ 1.000000 1.000000 0.000000
+SETBW
+ 0 0
+SPRINKOFFCOLOR
+ 1.000000 0.000000 0.000000
+SPRINKONCOLOR
+ 0.000000 1.000000 0.000000
+STATICPARTCOLOR
+ 0.000000 1.000000 0.000000
+TIMEBARCOLOR
+ 0.600000 0.600000 0.600000
+VENTCOLOR
+ 1.000000 0.000000 1.000000
+
+   *** SIZES/OFFSETS ***
+
+GEOMSAXIS
+ 1.000000 1.000000
+GRIDLINEWIDTH
+ 2.000000
+ISOLINEWIDTH
+ 2.000000
+ISOPOINTSIZE
+ 4.000000
+LINEWIDTH
+ 2.000000
+PARTPOINTSIZE
+ 4.000000
+PLOT3DLINEWIDTH
+ 2.000000
+PLOT3DPOINTSIZE
+ 4.000000
+SENSORABSSIZE
+ 0.038000
+SENSORRELSIZE
+ 1.000000
+SLICEOFFSET
+ 0.100000 0.000000 1
+SMOOTHLINES
+ 1
+SPHERESEGS
+ 6
+SORTSLICES
+ 1
+SPRINKLERABSSIZE
+ 0.076000
+STREAKLINEWIDTH
+ 1.000000
+TICKLINEWIDTH
+ 2.000000
+USENEWDRAWFACE
+ 0
+VECCONTOURS
+ 0 1
+VECLENGTH
+ 4 1.000000 1.000000 0 0 0
+VECTORLINEWIDTH
+ 1.000000 1.000000
+VECTORPOINTSIZE
+ 2.000000
+VENTLINEWIDTH
+ 2.000000
+VENTOFFSET
+ 0.100000
+WINDOWOFFSET
+ 45
+WINDOWWIDTH
+ 640
+WINDOWHEIGHT
+ 480
+
+ *** DATA LOADING ***
+
+CSV
+ 0
+LOADINC
+ 0
+NOPART
+ 1
+PARTFAST
+ 1 0 1
+RESEARCHMODE
+ 1 1 1.000000 4 0 4 0 0
+SLICEAVERAGE
+ 0 10.000000 0
+SLICEDATAOUT
+ 0 
+USER_ROTATE
+ -3 0 0.250000 0.250000 0.500000
+ZIPSTEP
+ 1
+
+ *** VIEW PARAMETERS ***
+
+APERTURE
+ 2
+BLOCKLOCATION
+ 5
+BEAM
+ 1 4.000000 0 255 255 255
+BLENDMODE
+ 0 0 0
+BOUNDARYMESH
+ 0
+BOUNDARYTWOSIDE
+ 0
+CLIP
+ 0.001000 3.000000
+CONTOURTYPE
+ 0
+CULLFACES
+ 1
+ENABLETEXTURELIGHTING
+ 0
+EYEVIEW
+ 0
+FONTSIZE
+ 0
+FIREPARAMS
+FRAMERATEVALUE
+ 1000
+FREEZEVOLSMOKE
+ 0 0
+GEOMBOUNDARYPROPS
+ 1 0 0 5.000000 5.000000 2
+SHOWSLICEVALS
+ 0 0 0
+GEOMCELLPROPS
+ 2
+ 2 2 2
+ 1 0 1 5.000000 1 0 1
+ 0 0 0
+ 0 0 0
+GEOMDOMAIN
+ 1 1
+GEOMSHOW
+ 0 1 1 0 1 0 0.500000 2.000000 1 0 6.000000 0.000000 0.010000
+ 0 0 0 0
+ 1.000000 30.000000 0 0 2 0
+GVERSION
+ 0
+GVECDOWN
+ 1
+ISOTRAN2
+ 4
+NORTHANGLE
+ 0
+ 0.000000 0.000000 0.100000
+OFFSETSLICE
+ 0
+OUTLINEMODE
+ 1 0
+P3DSURFACETYPE
+ 1
+P3DSURFACESMOOTH
+ 1
+PLOT2DHRRBOUNDS
+ 0 0.000000 0 1.000000
+PROJECTION
+ 0
+SCALEDFONT
+ 12 1.000000 1
+ 32 1.000000 1
+SHOWALLTEXTURES
+ 1
+SHOWAXISLABELS
+ 0
+SHOWBLOCKLABEL
+ 0
+SHOWBLOCKS
+ 1
+SHOWBOUNDS
+ 0 0
+SHOWCADOPAQUE
+ 0
+SHOWCEILING
+ 0
+SHOWCHID
+ 0
+SHOWCOLORBARS
+ 1 0
+SHOWCVENTS
+ 0 0
+SHOWDUMMYVENTS
+ 1
+SHOWFIRECUTOFF
+ 0
+SHOWFLOOR
+ 0
+SHOWFRAME
+ 1
+SHOWFRAMELABEL
+ 1
+SHOWFRAMETIMELABEL
+ 1
+SHOWFRAMERATE
+ 0
+SHOWGRID
+ 0
+SHOWGRIDLOC
+ 0
+SHOWHMSTIMELABEL
+ 0
+SHOWHRRLABEL
+ 0
+SHOWISO
+ 1
+SHOWISONORMALS
+ 0
+SHOWLABELS
+ 0
+SHOWMEMLOAD
+ 0
+SHOWPARTTAG
+ 0
+SHOWOPENVENTS
+ 0 0
+SHOWOTHERVENTS
+ 1
+SHOWROOMS
+ 1
+SHOWSENSORS
+ 1 1
+SHOWSLICEINOBST
+ 0
+SHOWSMOKEPART
+ 2
+SHOWSPRINKPART
+ 1
+SHOWSTREAK
+ 0 0 1 -2
+SHOWTERRAIN
+ 0 0
+SHOWTHRESHOLD
+ 0 0 400.000000
+SHOWTICKS
+ 0
+SHOWTIMEBAR
+ 1 2
+SHOWTIMELABEL
+ 1
+SHOWTITLE
+ 0 0 0
+SHOWTRACERSALWAYS
+ 0
+SHOWTRANSPARENT
+ 0
+SHOWTRIANGLES
+ 1 0 0 0 1 1 1
+SHOWTRANSPARENTVENTS
+ 1
+SHOWTRIANGLECOUNT
+ 0
+SHOWVENTFLOW
+ 1 0 1 1 1
+SHOWTARGETS
+ 1 
+SHOWVENTS
+ 1
+SHOWWALLS
+ 0 0
+SKIPEMBEDSLICE
+ 0
+SLICEDUP
+ 1 0 1
+SMOKESENSORS
+ 1 0
+STARTUPLANG
+ en
+STEREO
+ 0
+SURFINC
+ 0
+TERRAINPARMS
+ 90 50 50
+ 200 200 200
+ 1.000000
+TITLESAFE
+ 0
+TRAINERVIEW
+ 1
+TRANSPARENT
+ 1 0.800000 1 1
+TREEPARMS
+ 3 0 0 1
+TWOSIDEDVENTS
+ 1 0
+VECTORSKIP
+ 1
+VISBOUNDARYTYPE
+ 1  1  1  1  1  1  1  0 0 
+WINDROSEDEVICE
+ 0 1 1 0 0 0 1 0 1
+ 8 12 0 0.200000 5 25
+WINDROSEMERGE
+ 0 0.000000 0.000000 0.000000 0.000000
+ZOOM
+ 2 1.000000
+
+ *** MISC ***
+
+SHOWSLICEVALS
+ 0
+INPUT_FILE
+ part4gb.fds
+LABELSTARTUPVIEW
+ external
+RENDERCLIP
+ 0 0 0 0 0
+RENDERFILELABEL
+ 0
+RENDERFILETYPE
+ 0 0 2
+MOVIEFILETYPE
+MOVIEFILETYPE
+ 0 10 5000 1 17
+MOVIEPARMS
+ 0 10 0
+RENDEROPTION
+ 993 1 512
+UNITCLASSES
+ 6
+ 0
+ 0
+ 0
+ 0
+ 0
+ 0
+SHOWGRAVVECTOR
+ 0
+
+ *** 3D SMOKE INFO ***
+
+COLORBARTYPE
+ 0 % Rainbow 
+COLORMAP
+ CO2 1 CO2
+EXTREMECOLORS
+ 0 0 0 0 0 0
+FIRECOLOR
+ 255 128 0
+FIRECOLORMAP
+ FIRE 1 fire
+FIREDEPTH
+ 3.000000 10.000000 3.000000 0 0
+HRRPUVCUTOFF
+ 200.000000
+SHOWEXTREMEDATA
+ 0 0 0
+SLICESKIP
+ 1 1 1 1
+SMOKECOLOR
+ 0 0 0 1
+SMOKECULL
+ 0
+SMOKEFIREPROP
+ 1 0
+SMOKEPROP
+0.000000
+SMOKESKIP
+ 0 1 1 1 1
+USEGPU
+ 0
+VOLSMOKE
+ 0 1 1 0 1
+ 20.000000 600.000000 2000.000000 3.000000 8700.000000 1.000000 1.000000
+
+ *** ZONE FIRE PARAMETRES ***
+
+SHOWHAZARDCOLORS
+ 0
+SHOWZONEPLANE
+ 2 1
+SHOWSZONE
+ 0
+SHOWZONEFIRE
+ 1
+
+ *** TOUR INFO ***
+
+SHOWAVATAR
+ 1
+SHOWPATHNODES
+ 0
+SHOWTOURROUTE
+ 0
+TOURCOLORS
+ 1.000000 0.000000 0.000000   :selected path line
+ 1.000000 0.000000 0.000000   :selected path line knots
+ 0.000000 1.000000 0.000000   :selected knot
+ -1.000000 -1.000000 -1.000000   :path line
+ -1.000000 -1.000000 -1.000000   :path knots
+ -1.000000 -1.000000 -1.000000   :text
+ 1.000000 0.000000 0.000000   :avatar
+VIEWALLTOURS
+ 0
+VIEWTIMES
+ 0.000000 250.000000 2500
+VIEWTOURFROMPATH
+ 0 0 0.000000
+
+ ------------ local ini settings ------------
+
+BOUNDARYOFFSET
+ 0.000000 
+DEVICEVECTORDIMENSIONS
+ 1.000000 0.100000 0.200000 0.200000
+DEVICEBOUNDS
+ 0.000000 1.000000
+DEVICEORIENTATION
+ 0 1.000000
+GRIDPARMS
+ 0 1 0
+ 5 5 2
+GSLICEPARMS
+ 0 0 0 0
+ 0.500000 0.500000 0.200000
+ 0.000000 90.000000
+LOADFILESATSTARTUP
+ 0
+MSCALE
+ 1.000000 1.000000 1.000000
+PARTAUTO
+ 1 
+ 1
+COMPRESSAUTO
+ 0 
+PART5PROPDISP
+  1 
+  1 
+PART5COLOR
+ 0
+partclassdataVIS
+ 1
+ 1
+PARTSKIP
+ 1
+PROPINDEX
+ 3
+ 0 0
+ 1 0
+ 2 0
+SHOOTER
+ 0.500000 0.000000 0.200000
+ 0.250000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.000000 0.000000 4.000000
+ 10 1 100 0 0
+ 1.000000 1.000000
+SHOWDEVICES
+ 9 0 0
+ sensor
+ sphere
+ human_fixed
+ human_altered_with_data
+ ellipsoid
+ disk
+ fire_fighter
+ airpack
+ helmit
+SHOWDEVICEPLOTS
+ 0 1 1 0.150000 1.000000 5.000000 0.000000 0.000000 0.000000 1.200000
+SHOWGENPLOTXLABEL
+ 0, 0.000000
+time
+SHOWGENPLOTS
+ 0
+ 1 1 0 1 1 0 0.000000 1 1
+GENPLOTLABELS
+ 0
+SHOWDEVICEVALS
+ 0 0 0 0 0 0 1 1 0
+SHOWHRRPLOT
+ 1 0 0.000000 0.150000 0
+SHOWMISSINGOBJECTS
+ 1
+SHOWSLICEPLOT
+ 0.000000 0.000000 0.000000 0.150000 0 1 0.000000 0.000000 0.000000 0 1
+SMOKE3DCUTOFFS
+ 1.000000 200.000000
+SHOWGEOMTERRAIN
+0 1 0 0 1
+TOURCIRCLE
+0.500000 0.500000 0.200000 0.500000 0.500000 0.200000 1.873739 0.000000
+TOURINDEX
+ -1
+USERTICKS
+ 0 1 5 1 1 1 1.000000 1
+ 0.000000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.000000 1.000000 0.400000
+ 1.000000 1.000000 1.000000
+ 1 1 1
+XYZCLIP
+ 0
+ 0 -0.001000 0 1.001000
+ 0 -0.001000 0 1.001000
+ 0 -0.000400 0 0.400400
+
+ *** TIME/DATA BOUNDS ***
+  (0/1 min max skip (1=set, 0=unset)
+
+C_BOUNDARY
+ 0 0.000000 0 0.000000 gauge
+C_BOUNDARY
+ 0 0.000000 0 0.000000 temp
+C_PARTICLES
+ 0 0.000000 0 0.000000 Uniform
+C_PARTICLES
+ 0 0.000000 0 0.000000 temp
+C_PLOT3D
+ 0
+C_SLICE
+ 0 0.000000 0 0.000000 loss
+C_SLICE_HIDE
+ 0 loss
+C_SLICE
+ 0 0.000000 0 0.000000 U
+C_SLICE_HIDE
+ 0 U
+CACHE_DATA
+ 1 1 1 1 
+LOADMESH
+ 0 0
+ 0 0.000000 0 1.000000
+ 0 0.000000 0 1.000000
+ 0 0.000000 0 0.400000
+PATCHDATAOUT
+ 0 0.000000 250.000000 0.000000 1.000000 0.000000 1.000000 0.000000 0.400000
+TIMEOFFSET
+ 0.000000
+TLOAD
+ 0 0.000000 0 1.000000 0 0
+V2_BOUNDARY
+ 1 -0.000009 1 71.720627 gauge
+V2_BOUNDARY
+ 1 20.000000 1 20.000000 temp
+V2_PARTICLES
+ 1 0.000000 1 1.000000 Uniform
+V2_PARTICLES
+ 1 20.000000 1 800.000000 temp
+V2_SLICE
+ 1 -0.000003 1 30.573771 loss : 0.000000 1.000000 1
+V2_SLICE
+ 1 1.675038 1 283.612488 U : 0.000000 1.000000 1
+V_TARGET
+ 0 1.000000 0 0.000000
+
+
+# FDS/Smokeview Environment
+# -------------------------
+
+# Smokeview Version: Test
+# Smokeview Build: SMV-6.9.3-988-g7acf7b4-master
+# Smokeview Build Date: Sep 26 2024
+# FDS Version: FDS-6.9.1-845-ge4e69b4-nightly
+# FDS Build: FDS-6.9.1-845-ge4e69b4-nightly
+# Platform: WIN64
+
+
+# Graphics Environment
+# --------------------
+
+# OpenGL Version: 4.6.0 - Build 31.0.101.4032
+#   GLSL Version: 4.60 - Build 31.0.101.4032
+#         Red bits:8
+#       Green bits:8
+#        Blue bits:8
+#       Alpha bits:8
+#       Depth bits:24
+# max texture size:16384
+
diff --git a/vistest/large/slice/slice.fds b/vistest/large/slice/slice1gb.fds
similarity index 91%
rename from vistest/large/slice/slice.fds
rename to vistest/large/slice/slice1gb.fds
index e0e4008b1..b3775bece 100644
--- a/vistest/large/slice/slice.fds
+++ b/vistest/large/slice/slice1gb.fds
@@ -1,4 +1,4 @@
-&HEAD CHID='slice',TITLE='Plume whirl case' /
+&HEAD CHID='slice1gb',TITLE='Plume whirl case' /
 
 &MESH IJK=64,64,64, XB=0.0,1.6,0.0,1.6,0.0,1.6/
 
@@ -6,7 +6,7 @@
 
 &INIT XB=0.2,1.4,0.2,1.4,0.2,1.4  TEMPERATURE=600.0 /
 
-&TIME T_END=50. /  Total simulation time
+&TIME T_END=10. /  Total simulation time
 
 &REAC SOOT_YIELD=0.01,FUEL='PROPANE'/
 
diff --git a/vistest/large/slice/slice1gb.ini b/vistest/large/slice/slice1gb.ini
new file mode 100644
index 000000000..2790a98b6
--- /dev/null
+++ b/vistest/large/slice/slice1gb.ini
@@ -0,0 +1,666 @@
+# NIST Smokeview configuration file, Release Sep 26 2024
+
+
+ ------------ global ini settings ------------
+
+   *** COLOR/LIGHTING ***
+
+BACKGROUNDCOLOR
+ 0.000000 0.000000 0.000000
+BLOCKCOLOR
+ 1.000000 0.800000 0.400000
+BLOCKSHININESS
+ 100.000000
+BLOCKSPECULAR
+ 0.000000 0.000000 0.000000
+BOUNDCOLOR
+ 0.500000 0.500000 0.500000
+COLORBAR
+ 12 1 -1 5
+ 0.000299 0.000000 1.000000
+ 0.245451 0.294577 0.942934
+ 0.290415 0.458755 0.883579
+ 0.257206 0.607984 0.820800
+ 0.000159 0.752952 0.752946
+ 0.224347 0.842371 0.564313
+ 0.194393 0.938675 0.329380
+ 0.360483 0.955550 0.000000
+ 0.662853 0.821588 0.000000
+ 0.823603 0.662262 0.000000
+ 0.925208 0.461607 0.000000
+ 1.000000 0.000000 0.000000
+COLOR2BAR
+ 8
+ 1.000000 1.000000 1.000000 :white  
+ 1.000000 1.000000 0.000000 :yellow 
+ 0.000000 0.000000 1.000000 :blue   
+ 1.000000 0.000000 0.000000 :red    
+ 0.000000 1.000000 0.000000 :green  
+ 1.000000 0.000000 1.000000 :magenta
+ 0.000000 1.000000 1.000000 :cyan   
+ 0.000000 0.000000 0.000000 :black  
+COLORBAR_FLIP
+ 0 1
+COLORBAR_SPLIT
+ 0 0 0 64 64 255
+ 0 192 0 255 0 0
+ -1.000000 0.000000 1.000000
+CO2COLOR
+ 64 156 215
+DIRECTIONCOLOR
+ 0.152941 0.250980 0.545098
+FLIP
+ 1
+FOREGROUNDCOLOR
+ 1.000000 1.000000 1.000000
+GEOMSELECTCOLOR
+ 255 255 255
+ 0 0 0
+ 255 128 0
+HEATOFFCOLOR
+ 1.000000 0.000000 0.000000
+HEATONCOLOR
+ 1.000000 0.000000 0.000000
+ISOCOLORS
+ 10.000000 0.118000 1 1 : shininess, default opaqueness
+ 0.700000 0.700000 0.700000 : specular
+ 10 : number of levels
+ 0.957255 0.000392 0.957255 0.118039 : red, green, blue, alpha (opaqueness)
+ 0.750000 0.800000 0.800000 0.119608
+ 0.000000 0.960000 0.280000 0.119608
+ 0.000000 0.000000 1.000000 0.119608
+ 0.000000 0.718750 1.000000 0.119608
+ 0.000000 1.000000 0.562500 0.119608
+ 0.171875 1.000000 0.000000 0.119608
+ 0.890625 1.000000 0.000000 0.119608
+ 1.000000 0.380952 0.000000 0.119608
+ 1.000000 0.000000 0.000000 0.119608
+COLORTABLE
+ 2 
+ 210 180 140 255 % tan
+ 178 34 34 255 % firebrick
+LIGHTING
+ 1
+LIGHTFACES
+ 1
+LIGHTANGLES0
+ 45.000000 30.000000 1
+LIGHTANGLES1
+ 135.000000 30.000000 1
+LIGHTPROP
+ 0.600000 0.600000 0.600000
+ 0.500000 0.500000 0.500000
+OUTLINECOLOR
+ 0 255 255
+SENSORCOLOR
+ 1.000000 1.000000 0.000000
+SENSORNORMCOLOR
+ 1.000000 1.000000 0.000000
+SETBW
+ 0 0
+SPRINKOFFCOLOR
+ 1.000000 0.000000 0.000000
+SPRINKONCOLOR
+ 0.000000 1.000000 0.000000
+STATICPARTCOLOR
+ 0.000000 1.000000 0.000000
+TIMEBARCOLOR
+ 0.600000 0.600000 0.600000
+VENTCOLOR
+ 1.000000 0.000000 1.000000
+
+   *** SIZES/OFFSETS ***
+
+GEOMSAXIS
+ 1.000000 1.000000
+GRIDLINEWIDTH
+ 2.000000
+ISOLINEWIDTH
+ 2.000000
+ISOPOINTSIZE
+ 4.000000
+LINEWIDTH
+ 2.000000
+PARTPOINTSIZE
+ 4.000000
+PLOT3DLINEWIDTH
+ 2.000000
+PLOT3DPOINTSIZE
+ 4.000000
+SENSORABSSIZE
+ 0.038000
+SENSORRELSIZE
+ 1.000000
+SLICEOFFSET
+ 0.100000 0.000000 1
+SMOOTHLINES
+ 1
+SPHERESEGS
+ 6
+SORTSLICES
+ 1
+SPRINKLERABSSIZE
+ 0.076000
+STREAKLINEWIDTH
+ 1.000000
+TICKLINEWIDTH
+ 2.000000
+USENEWDRAWFACE
+ 0
+VECCONTOURS
+ 0 1
+VECLENGTH
+ 4 1.000000 1.000000 0 0 0
+VECTORLINEWIDTH
+ 1.000000 1.000000
+VECTORPOINTSIZE
+ 2.000000
+VENTLINEWIDTH
+ 2.000000
+VENTOFFSET
+ 0.100000
+WINDOWOFFSET
+ 45
+WINDOWWIDTH
+ 640
+WINDOWHEIGHT
+ 480
+
+ *** DATA LOADING ***
+
+CSV
+ 0
+LOADINC
+ 0
+NOPART
+ 1
+PARTFAST
+ 1 0 1
+RESEARCHMODE
+ 1 1 1.000000 4 0 4 0 0
+SLICEAVERAGE
+ 0 10.000000 0
+SLICEDATAOUT
+ 0 
+USER_ROTATE
+ -3 0 0.250000 0.250000 0.500000
+ZIPSTEP
+ 1
+
+ *** VIEW PARAMETERS ***
+
+APERTURE
+ 2
+BLOCKLOCATION
+ 5
+BEAM
+ 1 4.000000 0 255 255 255
+BLENDMODE
+ 0 0 0
+BOUNDARYMESH
+ 0
+BOUNDARYTWOSIDE
+ 0
+CLIP
+ 0.001000 3.000000
+CONTOURTYPE
+ 0
+CULLFACES
+ 1
+ENABLETEXTURELIGHTING
+ 0
+EYEVIEW
+ 0
+FONTSIZE
+ 0
+FIREPARAMS
+FRAMERATEVALUE
+ 1000
+FREEZEVOLSMOKE
+ 0 0
+GEOMBOUNDARYPROPS
+ 1 0 0 5.000000 5.000000 2
+SHOWSLICEVALS
+ 0 0 0
+GEOMCELLPROPS
+ 2
+ 2 2 2
+ 1 0 1 5.000000 1 0 1
+ 0 0 0
+ 0 0 0
+GEOMDOMAIN
+ 1 1
+GEOMSHOW
+ 0 1 1 0 1 0 0.500000 2.000000 1 0 6.000000 0.000000 0.002500
+ 0 0 0 0
+ 1.000000 30.000000 0 0 2 0
+GVERSION
+ 0
+GVECDOWN
+ 1
+ISOTRAN2
+ 4
+NORTHANGLE
+ 0
+ 0.000000 0.000000 0.100000
+OFFSETSLICE
+ 0
+OUTLINEMODE
+ 1 0
+P3DSURFACETYPE
+ 1
+P3DSURFACESMOOTH
+ 1
+PLOT2DHRRBOUNDS
+ 0 0.000000 0 1.000000
+PROJECTION
+ 0
+SCALEDFONT
+ 12 1.000000 1
+ 32 1.000000 1
+SHOWALLTEXTURES
+ 1
+SHOWAXISLABELS
+ 0
+SHOWBLOCKLABEL
+ 0
+SHOWBLOCKS
+ 1
+SHOWBOUNDS
+ 0 0
+SHOWCADOPAQUE
+ 0
+SHOWCEILING
+ 0
+SHOWCHID
+ 0
+SHOWCOLORBARS
+ 1 0
+SHOWCVENTS
+ 0 0
+SHOWDUMMYVENTS
+ 1
+SHOWFIRECUTOFF
+ 0
+SHOWFLOOR
+ 0
+SHOWFRAME
+ 1
+SHOWFRAMELABEL
+ 1
+SHOWFRAMETIMELABEL
+ 1
+SHOWFRAMERATE
+ 0
+SHOWGRID
+ 0
+SHOWGRIDLOC
+ 0
+SHOWHMSTIMELABEL
+ 0
+SHOWHRRLABEL
+ 0
+SHOWISO
+ 1
+SHOWISONORMALS
+ 0
+SHOWLABELS
+ 0
+SHOWMEMLOAD
+ 0
+SHOWPARTTAG
+ 0
+SHOWOPENVENTS
+ 0 0
+SHOWOTHERVENTS
+ 1
+SHOWROOMS
+ 1
+SHOWSENSORS
+ 1 1
+SHOWSLICEINOBST
+ 0
+SHOWSMOKEPART
+ 2
+SHOWSPRINKPART
+ 1
+SHOWSTREAK
+ 0 0 1 -2
+SHOWTERRAIN
+ 0 0
+SHOWTHRESHOLD
+ 0 0 400.000000
+SHOWTICKS
+ 0
+SHOWTIMEBAR
+ 1 2
+SHOWTIMELABEL
+ 1
+SHOWTITLE
+ 0 0 0
+SHOWTRACERSALWAYS
+ 0
+SHOWTRANSPARENT
+ 0
+SHOWTRIANGLES
+ 1 0 0 0 1 1 1
+SHOWTRANSPARENTVENTS
+ 1
+SHOWTRIANGLECOUNT
+ 0
+SHOWVENTFLOW
+ 1 0 1 1 1
+SHOWTARGETS
+ 1 
+SHOWVENTS
+ 1
+SHOWWALLS
+ 0 0
+SKIPEMBEDSLICE
+ 0
+SLICEDUP
+ 1 0 1
+SMOKESENSORS
+ 1 0
+STARTUPLANG
+ en
+STEREO
+ 0
+SURFINC
+ 0
+TERRAINPARMS
+ 90 50 50
+ 200 200 200
+ 1.000000
+TITLESAFE
+ 0
+TRAINERVIEW
+ 1
+TRANSPARENT
+ 1 0.800000 1 1
+TREEPARMS
+ 3 0 0 1
+TWOSIDEDVENTS
+ 1 0
+VECTORSKIP
+ 1
+VISBOUNDARYTYPE
+ 1  1  1  1  1  1  1  0 0 
+WINDROSEDEVICE
+ 0 1 1 0 0 0 1 0 1
+ 8 12 0 0.320000 5 25
+WINDROSEMERGE
+ 0 0.000000 0.000000 0.000000 0.000000
+ZOOM
+ 2 1.000000
+
+ *** MISC ***
+
+SHOWSLICEVALS
+ 0
+INPUT_FILE
+ slice1gb.fds
+LABELSTARTUPVIEW
+ external
+RENDERCLIP
+ 0 0 0 0 0
+RENDERFILELABEL
+ 0
+RENDERFILETYPE
+ 0 0 2
+MOVIEFILETYPE
+MOVIEFILETYPE
+ 0 10 5000 1 17
+MOVIEPARMS
+ 0 10 0
+RENDEROPTION
+ 993 1 512
+UNITCLASSES
+ 6
+ 0
+ 0
+ 0
+ 0
+ 0
+ 0
+SHOWGRAVVECTOR
+ 0
+
+ *** 3D SMOKE INFO ***
+
+COLORBARTYPE
+ 0 % Rainbow 
+COLORMAP
+ CO2 1 CO2
+EXTREMECOLORS
+ 0 0 0 0 0 0
+FIRECOLOR
+ 255 128 0
+FIRECOLORMAP
+ FIRE 1 fire
+FIREDEPTH
+ 3.000000 10.000000 3.000000 0 0
+HRRPUVCUTOFF
+ 200.000000
+SHOWEXTREMEDATA
+ 0 0 0
+SLICESKIP
+ 1 1 1 1
+SMOKECOLOR
+ 0 0 0 1
+SMOKECULL
+ 0
+SMOKEFIREPROP
+ 0 1
+SMOKEPROP
+8700.000000
+SMOKESKIP
+ 0 1 1 1 1
+USEGPU
+ 0
+VOLSMOKE
+ 0 1 1 0 1
+ 20.000000 600.000000 2000.000000 3.000000 8700.000000 1.000000 1.000000
+
+ *** ZONE FIRE PARAMETRES ***
+
+SHOWHAZARDCOLORS
+ 0
+SHOWZONEPLANE
+ 2 1
+SHOWSZONE
+ 0
+SHOWZONEFIRE
+ 1
+
+ *** TOUR INFO ***
+
+SHOWAVATAR
+ 1
+SHOWPATHNODES
+ 0
+SHOWTOURROUTE
+ 0
+TOURCOLORS
+ 1.000000 0.000000 0.000000   :selected path line
+ 1.000000 0.000000 0.000000   :selected path line knots
+ 0.000000 1.000000 0.000000   :selected knot
+ -1.000000 -1.000000 -1.000000   :path line
+ -1.000000 -1.000000 -1.000000   :path knots
+ -1.000000 -1.000000 -1.000000   :text
+ 1.000000 0.000000 0.000000   :avatar
+VIEWALLTOURS
+ 0
+VIEWTIMES
+ 0.000000 10.000000 1000
+VIEWTOURFROMPATH
+ 0 0 0.000000
+
+ ------------ local ini settings ------------
+
+BOUNDARYOFFSET
+ 0.000000 
+DEVICEVECTORDIMENSIONS
+ 1.000000 0.100000 0.200000 0.200000
+DEVICEBOUNDS
+ 0.000000 1.000000
+DEVICEORIENTATION
+ 0 1.000000
+GRIDPARMS
+ 0 1 0
+ 32 32 32
+GSLICEPARMS
+ 0 0 0 0
+ 0.800000 0.800000 0.800000
+ 0.000000 90.000000
+LOADFILESATSTARTUP
+ 0
+MSCALE
+ 1.000000 1.000000 1.000000
+SLICEAUTO
+ 1 
+ 2
+MSLICEAUTO
+ 1 
+ 0
+COMPRESSAUTO
+ 0 
+PART5PROPDISP
+  1 
+  1 
+  1 
+  1 
+PART5COLOR
+ 0
+partclassdataVIS
+ 1
+ 1
+PARTSKIP
+ 1
+PROPINDEX
+ 2
+ 0 0
+ 1 0
+SHOOTER
+ 0.500000 0.000000 0.500000
+ 0.250000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.000000 0.000000 4.000000
+ 10 1 100 0 0
+ 1.000000 1.000000
+SHOWDEVICES
+ 8 0 0
+ sensor
+ human_fixed
+ human_altered_with_data
+ ellipsoid
+ disk
+ fire_fighter
+ airpack
+ helmit
+SHOWDEVICEPLOTS
+ 0 1 1 0.150000 1.000000 5.000000 0.000000 0.000000 0.000000 1.200000
+SHOWGENPLOTXLABEL
+ 0, 0.000000
+time
+SHOWGENPLOTS
+ 0
+ 1 1 0 1 1 0 0.000000 1 1
+GENPLOTLABELS
+ 0
+SHOWDEVICEVALS
+ 0 0 0 0 0 0 1 1 0
+SHOWHRRPLOT
+ 1 0 46006.992188 0.150000 0
+SHOWMISSINGOBJECTS
+ 1
+SHOWSLICEPLOT
+ 0.000000 0.000000 0.000000 0.150000 0 1 0.000000 0.000000 0.000000 0 1
+SMOKE3DCUTOFFS
+ 1.000000 200.000000
+SHOWGEOMTERRAIN
+0 1 0 0 1
+TOURCIRCLE
+0.800000 0.800000 0.800000 0.800000 0.800000 0.800000 2.997982 0.000000
+TOURINDEX
+ -1
+USERTICKS
+ 0 1 5 1 1 1 1.000000 1
+ 0.000000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.600000 1.600000 1.600000
+ 1.000000 1.000000 1.000000
+ 1 1 1
+XYZCLIP
+ 0
+ 0 -0.001600 0 1.601600
+ 0 -0.001600 0 1.601600
+ 0 -0.001600 0 1.601600
+
+ *** TIME/DATA BOUNDS ***
+  (0/1 min max skip (1=set, 0=unset)
+
+C_PARTICLES
+ 0 0.000000 0 0.000000 Uniform
+C_PARTICLES
+ 0 0.000000 0 0.000000 u
+C_PARTICLES
+ 0 0.000000 0 0.000000 v
+C_PARTICLES
+ 0 0.000000 0 0.000000 w
+C_PLOT3D
+ 0
+C_SLICE
+ 0 0.000000 0 0.000000 temp
+C_SLICE_HIDE
+ 0 temp
+CACHE_DATA
+ 1 1 1 1 
+LOADMESH
+ 0 0
+ 0 0.000000 0 1.600000
+ 0 0.000000 0 1.600000
+ 0 0.000000 0 1.600000
+PATCHDATAOUT
+ 0 0.000000 10.000000 0.000000 1.600000 0.000000 1.600000 0.000000 1.600000
+TIMEOFFSET
+ 0.000000
+TLOAD
+ 0 0.000000 0 1.000000 0 0
+V2_PARTICLES
+ 1 0.000000 1 1.000000 Uniform
+V2_PARTICLES
+ 1 -0.849733 1 0.836088 u
+V2_PARTICLES
+ 1 -0.845533 1 0.857468 v
+V2_PARTICLES
+ 1 -0.455137 1 1.392066 w
+V2_SLICE
+ 1 20.000000 1 1288.926758 temp : 0.000000 1.000000 1
+V_TARGET
+ 0 1.000000 0 0.000000
+
+
+# FDS/Smokeview Environment
+# -------------------------
+
+# Smokeview Version: Test
+# Smokeview Build: SMV-6.9.3-988-g7acf7b4-master
+# Smokeview Build Date: Sep 26 2024
+# FDS Version: FDS-6.9.1-845-ge4e69b4-nightly
+# FDS Build: FDS-6.9.1-845-ge4e69b4-nightly
+# Platform: WIN64
+
+
+# Graphics Environment
+# --------------------
+
+# OpenGL Version: 4.6.0 - Build 31.0.101.4032
+#   GLSL Version: 4.60 - Build 31.0.101.4032
+#         Red bits:8
+#       Green bits:8
+#        Blue bits:8
+#       Alpha bits:8
+#       Depth bits:24
+# max texture size:16384
+
diff --git a/vistest/large/slice/slice4gb.fds b/vistest/large/slice/slice4gb.fds
new file mode 100644
index 000000000..d2182c72d
--- /dev/null
+++ b/vistest/large/slice/slice4gb.fds
@@ -0,0 +1,31 @@
+&HEAD CHID='slice4gb',TITLE='Plume whirl case' /
+
+&MESH IJK=64,64,64, XB=0.0,1.6,0.0,1.6,0.0,1.6/
+
+&DUMP NFRAMES=5000 DT_SL3D=0.01 /
+
+&INIT XB=0.2,1.4,0.2,1.4,0.2,1.4  TEMPERATURE=600.0 /
+
+&TIME T_END=40. /  Total simulation time
+
+&REAC SOOT_YIELD=0.01,FUEL='PROPANE'/
+
+&SURF ID='BURNER',HRRPUA=600.0,PART_ID='tracers' /  Ignition source
+&VENT XB=0.5,1.1,0.5,1.1,0.1,0.1,SURF_ID='BURNER' /  fire source on kitchen stove
+&OBST XB=0.5,1.1,0.5,1.1,0.0,0.1 /
+
+&VENT MB='XMIN', SURF_ID='OPEN' /
+&VENT MB='XMAX', SURF_ID='OPEN' /
+&VENT MB='YMIN', SURF_ID='OPEN' /
+&VENT MB='YMAX', SURF_ID='OPEN' /
+&VENT MB='ZMAX', SURF_ID='OPEN' /
+
+&PART ID='tracers',MASSLESS=.TRUE.,
+   QUANTITIES(1:3)='PARTICLE U','PARTICLE V','PARTICLE W'
+   SAMPLING_FACTOR=10 /  Description of massless tracer particles. Apply at a
+                                                             solid surface with the PART_ID='tracers'
+
+&SLCF PBY=0.8,QUANTITY='TEMPERATURE' /
+&SLCF XB=0.0,1.6,0.0,1.6,0.0,1.6, QUANTITY='TEMPERATURE' /
+
+&TAIL /
diff --git a/vistest/large/slice/slice4gb.ini b/vistest/large/slice/slice4gb.ini
new file mode 100644
index 000000000..fbf401318
--- /dev/null
+++ b/vistest/large/slice/slice4gb.ini
@@ -0,0 +1,660 @@
+# NIST Smokeview configuration file, Release Sep 26 2024
+
+
+ ------------ global ini settings ------------
+
+   *** COLOR/LIGHTING ***
+
+BACKGROUNDCOLOR
+ 0.000000 0.000000 0.000000
+BLOCKCOLOR
+ 1.000000 0.800000 0.400000
+BLOCKSHININESS
+ 100.000000
+BLOCKSPECULAR
+ 0.000000 0.000000 0.000000
+BOUNDCOLOR
+ 0.500000 0.500000 0.500000
+COLORBAR
+ 12 1 -1 5
+ 0.000299 0.000000 1.000000
+ 0.245451 0.294577 0.942934
+ 0.290415 0.458755 0.883579
+ 0.257206 0.607984 0.820800
+ 0.000159 0.752952 0.752946
+ 0.224347 0.842371 0.564313
+ 0.194393 0.938675 0.329380
+ 0.360483 0.955550 0.000000
+ 0.662853 0.821588 0.000000
+ 0.823603 0.662262 0.000000
+ 0.925208 0.461607 0.000000
+ 1.000000 0.000000 0.000000
+COLOR2BAR
+ 8
+ 1.000000 1.000000 1.000000 :white  
+ 1.000000 1.000000 0.000000 :yellow 
+ 0.000000 0.000000 1.000000 :blue   
+ 1.000000 0.000000 0.000000 :red    
+ 0.000000 1.000000 0.000000 :green  
+ 1.000000 0.000000 1.000000 :magenta
+ 0.000000 1.000000 1.000000 :cyan   
+ 0.000000 0.000000 0.000000 :black  
+COLORBAR_FLIP
+ 0 1
+COLORBAR_SPLIT
+ 0 0 0 64 64 255
+ 0 192 0 255 0 0
+ -1.000000 0.000000 1.000000
+CO2COLOR
+ 64 156 215
+DIRECTIONCOLOR
+ 0.152941 0.250980 0.545098
+FLIP
+ 1
+FOREGROUNDCOLOR
+ 1.000000 1.000000 1.000000
+GEOMSELECTCOLOR
+ 255 255 255
+ 0 0 0
+ 255 128 0
+HEATOFFCOLOR
+ 1.000000 0.000000 0.000000
+HEATONCOLOR
+ 1.000000 0.000000 0.000000
+ISOCOLORS
+ 10.000000 0.118000 1 1 : shininess, default opaqueness
+ 0.700000 0.700000 0.700000 : specular
+ 10 : number of levels
+ 0.957255 0.000392 0.957255 0.118039 : red, green, blue, alpha (opaqueness)
+ 0.750000 0.800000 0.800000 0.119608
+ 0.000000 0.960000 0.280000 0.119608
+ 0.000000 0.000000 1.000000 0.119608
+ 0.000000 0.718750 1.000000 0.119608
+ 0.000000 1.000000 0.562500 0.119608
+ 0.171875 1.000000 0.000000 0.119608
+ 0.890625 1.000000 0.000000 0.119608
+ 1.000000 0.380952 0.000000 0.119608
+ 1.000000 0.000000 0.000000 0.119608
+COLORTABLE
+ 2 
+ 210 180 140 255 % tan
+ 178 34 34 255 % firebrick
+LIGHTING
+ 1
+LIGHTFACES
+ 1
+LIGHTANGLES0
+ 45.000000 30.000000 1
+LIGHTANGLES1
+ 135.000000 30.000000 1
+LIGHTPROP
+ 0.600000 0.600000 0.600000
+ 0.500000 0.500000 0.500000
+OUTLINECOLOR
+ 0 255 255
+SENSORCOLOR
+ 1.000000 1.000000 0.000000
+SENSORNORMCOLOR
+ 1.000000 1.000000 0.000000
+SETBW
+ 0 0
+SPRINKOFFCOLOR
+ 1.000000 0.000000 0.000000
+SPRINKONCOLOR
+ 0.000000 1.000000 0.000000
+STATICPARTCOLOR
+ 0.000000 1.000000 0.000000
+TIMEBARCOLOR
+ 0.600000 0.600000 0.600000
+VENTCOLOR
+ 1.000000 0.000000 1.000000
+
+   *** SIZES/OFFSETS ***
+
+GEOMSAXIS
+ 1.000000 1.000000
+GRIDLINEWIDTH
+ 2.000000
+ISOLINEWIDTH
+ 2.000000
+ISOPOINTSIZE
+ 4.000000
+LINEWIDTH
+ 2.000000
+PARTPOINTSIZE
+ 4.000000
+PLOT3DLINEWIDTH
+ 2.000000
+PLOT3DPOINTSIZE
+ 4.000000
+SENSORABSSIZE
+ 0.038000
+SENSORRELSIZE
+ 1.000000
+SLICEOFFSET
+ 0.100000 0.000000 1
+SMOOTHLINES
+ 1
+SPHERESEGS
+ 6
+SORTSLICES
+ 1
+SPRINKLERABSSIZE
+ 0.076000
+STREAKLINEWIDTH
+ 1.000000
+TICKLINEWIDTH
+ 2.000000
+USENEWDRAWFACE
+ 0
+VECCONTOURS
+ 0 1
+VECLENGTH
+ 4 1.000000 1.000000 0 0 0
+VECTORLINEWIDTH
+ 1.000000 1.000000
+VECTORPOINTSIZE
+ 2.000000
+VENTLINEWIDTH
+ 2.000000
+VENTOFFSET
+ 0.100000
+WINDOWOFFSET
+ 45
+WINDOWWIDTH
+ 640
+WINDOWHEIGHT
+ 480
+
+ *** DATA LOADING ***
+
+CSV
+ 0
+LOADINC
+ 0
+NOPART
+ 1
+PARTFAST
+ 1 0 1
+RESEARCHMODE
+ 1 1 1.000000 4 0 4 0 0
+SLICEAVERAGE
+ 0 10.000000 0
+SLICEDATAOUT
+ 0 
+USER_ROTATE
+ -3 0 0.250000 0.250000 0.500000
+ZIPSTEP
+ 1
+
+ *** VIEW PARAMETERS ***
+
+APERTURE
+ 2
+BLOCKLOCATION
+ 5
+BEAM
+ 1 4.000000 0 255 255 255
+BLENDMODE
+ 0 0 0
+BOUNDARYMESH
+ 0
+BOUNDARYTWOSIDE
+ 0
+CLIP
+ 0.001000 3.000000
+CONTOURTYPE
+ 0
+CULLFACES
+ 1
+ENABLETEXTURELIGHTING
+ 0
+EYEVIEW
+ 0
+FONTSIZE
+ 0
+FIREPARAMS
+FRAMERATEVALUE
+ 1000
+FREEZEVOLSMOKE
+ 0 0
+GEOMBOUNDARYPROPS
+ 1 0 0 5.000000 5.000000 2
+SHOWSLICEVALS
+ 0 0 0
+GEOMCELLPROPS
+ 2
+ 2 2 2
+ 1 0 1 5.000000 1 0 1
+ 0 0 0
+ 0 0 0
+GEOMDOMAIN
+ 1 1
+GEOMSHOW
+ 0 1 1 0 1 0 0.500000 2.000000 1 0 6.000000 0.000000 0.002500
+ 0 0 0 0
+ 1.000000 30.000000 0 0 2 0
+GVERSION
+ 0
+GVECDOWN
+ 1
+ISOTRAN2
+ 4
+NORTHANGLE
+ 0
+ 0.000000 0.000000 0.100000
+OFFSETSLICE
+ 0
+OUTLINEMODE
+ 1 0
+P3DSURFACETYPE
+ 1
+P3DSURFACESMOOTH
+ 1
+PLOT2DHRRBOUNDS
+ 0 0.000000 0 1.000000
+PROJECTION
+ 0
+SCALEDFONT
+ 12 1.000000 1
+ 32 1.000000 1
+SHOWALLTEXTURES
+ 1
+SHOWAXISLABELS
+ 0
+SHOWBLOCKLABEL
+ 0
+SHOWBLOCKS
+ 1
+SHOWBOUNDS
+ 0 0
+SHOWCADOPAQUE
+ 0
+SHOWCEILING
+ 0
+SHOWCHID
+ 0
+SHOWCOLORBARS
+ 1 0
+SHOWCVENTS
+ 0 0
+SHOWDUMMYVENTS
+ 1
+SHOWFIRECUTOFF
+ 0
+SHOWFLOOR
+ 0
+SHOWFRAME
+ 1
+SHOWFRAMELABEL
+ 1
+SHOWFRAMETIMELABEL
+ 1
+SHOWFRAMERATE
+ 0
+SHOWGRID
+ 0
+SHOWGRIDLOC
+ 0
+SHOWHMSTIMELABEL
+ 0
+SHOWHRRLABEL
+ 0
+SHOWISO
+ 1
+SHOWISONORMALS
+ 0
+SHOWLABELS
+ 0
+SHOWMEMLOAD
+ 0
+SHOWPARTTAG
+ 0
+SHOWOPENVENTS
+ 0 0
+SHOWOTHERVENTS
+ 1
+SHOWROOMS
+ 1
+SHOWSENSORS
+ 1 1
+SHOWSLICEINOBST
+ 0
+SHOWSMOKEPART
+ 2
+SHOWSPRINKPART
+ 1
+SHOWSTREAK
+ 0 0 1 -2
+SHOWTERRAIN
+ 0 0
+SHOWTHRESHOLD
+ 0 0 400.000000
+SHOWTICKS
+ 0
+SHOWTIMEBAR
+ 1 2
+SHOWTIMELABEL
+ 1
+SHOWTITLE
+ 0 0 0
+SHOWTRACERSALWAYS
+ 0
+SHOWTRANSPARENT
+ 0
+SHOWTRIANGLES
+ 1 0 0 0 1 1 1
+SHOWTRANSPARENTVENTS
+ 1
+SHOWTRIANGLECOUNT
+ 0
+SHOWVENTFLOW
+ 1 0 1 1 1
+SHOWTARGETS
+ 1 
+SHOWVENTS
+ 1
+SHOWWALLS
+ 0 0
+SKIPEMBEDSLICE
+ 0
+SLICEDUP
+ 1 0 1
+SMOKESENSORS
+ 1 0
+STARTUPLANG
+ en
+STEREO
+ 0
+SURFINC
+ 0
+TERRAINPARMS
+ 90 50 50
+ 200 200 200
+ 1.000000
+TITLESAFE
+ 0
+TRAINERVIEW
+ 1
+TRANSPARENT
+ 1 0.800000 1 1
+TREEPARMS
+ 3 0 0 1
+TWOSIDEDVENTS
+ 1 0
+VECTORSKIP
+ 1
+VISBOUNDARYTYPE
+ 1  1  1  1  1  1  1  0 0 
+WINDROSEDEVICE
+ 0 1 1 0 0 0 1 0 1
+ 8 12 0 0.320000 5 25
+WINDROSEMERGE
+ 0 0.000000 0.000000 0.000000 0.000000
+ZOOM
+ 2 1.000000
+
+ *** MISC ***
+
+SHOWSLICEVALS
+ 0
+INPUT_FILE
+ slice4gb.fds
+LABELSTARTUPVIEW
+ external
+RENDERCLIP
+ 0 0 0 0 0
+RENDERFILELABEL
+ 0
+RENDERFILETYPE
+ 0 0 2
+MOVIEFILETYPE
+MOVIEFILETYPE
+ 0 10 5000 1 17
+MOVIEPARMS
+ 0 10 0
+RENDEROPTION
+ 993 1 512
+UNITCLASSES
+ 6
+ 0
+ 0
+ 0
+ 0
+ 0
+ 0
+SHOWGRAVVECTOR
+ 0
+
+ *** 3D SMOKE INFO ***
+
+COLORBARTYPE
+ 0 % Rainbow 
+COLORMAP
+ CO2 1 CO2
+EXTREMECOLORS
+ 0 0 0 0 0 0
+FIRECOLOR
+ 255 128 0
+FIRECOLORMAP
+ FIRE 1 fire
+FIREDEPTH
+ 3.000000 10.000000 3.000000 0 0
+HRRPUVCUTOFF
+ 200.000000
+SHOWEXTREMEDATA
+ 0 0 0
+SLICESKIP
+ 1 1 1 1
+SMOKECOLOR
+ 0 0 0 1
+SMOKECULL
+ 0
+SMOKEFIREPROP
+ 0 1
+SMOKEPROP
+8700.000000
+SMOKESKIP
+ 0 1 1 1 1
+USEGPU
+ 0
+VOLSMOKE
+ 0 1 1 0 1
+ 20.000000 600.000000 2000.000000 3.000000 8700.000000 1.000000 1.000000
+
+ *** ZONE FIRE PARAMETRES ***
+
+SHOWHAZARDCOLORS
+ 0
+SHOWZONEPLANE
+ 2 1
+SHOWSZONE
+ 0
+SHOWZONEFIRE
+ 1
+
+ *** TOUR INFO ***
+
+SHOWAVATAR
+ 1
+SHOWPATHNODES
+ 0
+SHOWTOURROUTE
+ 0
+TOURCOLORS
+ 1.000000 0.000000 0.000000   :selected path line
+ 1.000000 0.000000 0.000000   :selected path line knots
+ 0.000000 1.000000 0.000000   :selected knot
+ -1.000000 -1.000000 -1.000000   :path line
+ -1.000000 -1.000000 -1.000000   :path knots
+ -1.000000 -1.000000 -1.000000   :text
+ 1.000000 0.000000 0.000000   :avatar
+VIEWALLTOURS
+ 0
+VIEWTIMES
+ 0.000000 50.000000 1000
+VIEWTOURFROMPATH
+ 0 0 0.000000
+
+ ------------ local ini settings ------------
+
+BOUNDARYOFFSET
+ 0.000000 
+DEVICEVECTORDIMENSIONS
+ 1.000000 0.100000 0.200000 0.200000
+DEVICEBOUNDS
+ 0.000000 1.000000
+DEVICEORIENTATION
+ 0 1.000000
+GRIDPARMS
+ 0 1 0
+ 32 32 32
+GSLICEPARMS
+ 0 0 0 0
+ 0.800000 0.800000 0.800000
+ 0.000000 90.000000
+LOADFILESATSTARTUP
+ 0
+MSCALE
+ 1.000000 1.000000 1.000000
+COMPRESSAUTO
+ 0 
+PART5PROPDISP
+  1 
+  1 
+  1 
+  1 
+PART5COLOR
+ 0
+partclassdataVIS
+ 1
+ 1
+PARTSKIP
+ 1
+PROPINDEX
+ 2
+ 0 0
+ 1 0
+SHOOTER
+ 0.500000 0.000000 0.500000
+ 0.250000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.000000 0.000000 4.000000
+ 10 1 100 0 0
+ 1.000000 1.000000
+SHOWDEVICES
+ 8 0 0
+ sensor
+ human_fixed
+ human_altered_with_data
+ ellipsoid
+ disk
+ fire_fighter
+ airpack
+ helmit
+SHOWDEVICEPLOTS
+ 0 1 1 0.150000 1.000000 5.000000 0.000000 0.000000 0.000000 1.200000
+SHOWGENPLOTXLABEL
+ 0, 0.000000
+time
+SHOWGENPLOTS
+ 0
+ 1 1 0 1 1 0 0.000000 1 1
+GENPLOTLABELS
+ 0
+SHOWDEVICEVALS
+ 0 0 0 0 0 0 1 1 0
+SHOWHRRPLOT
+ 1 0 46006.992188 0.150000 0
+SHOWMISSINGOBJECTS
+ 1
+SHOWSLICEPLOT
+ 0.000000 0.000000 0.000000 0.150000 0 1 0.000000 0.000000 0.000000 0 1
+SMOKE3DCUTOFFS
+ 1.000000 200.000000
+SHOWGEOMTERRAIN
+0 1 0 0 1
+TOURCIRCLE
+0.800000 0.800000 0.800000 0.800000 0.800000 0.800000 2.997982 0.000000
+TOURINDEX
+ -1
+USERTICKS
+ 0 1 5 1 1 1 1.000000 1
+ 0.000000 0.000000 0.000000
+ 0.000000 0.000000 0.000000
+ 1.600000 1.600000 1.600000
+ 1.000000 1.000000 1.000000
+ 1 1 1
+XYZCLIP
+ 0
+ 0 -0.001600 0 1.601600
+ 0 -0.001600 0 1.601600
+ 0 -0.001600 0 1.601600
+
+ *** TIME/DATA BOUNDS ***
+  (0/1 min max skip (1=set, 0=unset)
+
+C_PARTICLES
+ 0 0.000000 0 0.000000 Uniform
+C_PARTICLES
+ 0 0.000000 0 0.000000 u
+C_PARTICLES
+ 0 0.000000 0 0.000000 v
+C_PARTICLES
+ 0 0.000000 0 0.000000 w
+C_PLOT3D
+ 0
+C_SLICE
+ 0 0.000000 0 0.000000 temp
+C_SLICE_HIDE
+ 0 temp
+CACHE_DATA
+ 1 1 1 1 
+LOADMESH
+ 0 0
+ 0 0.000000 0 1.600000
+ 0 0.000000 0 1.600000
+ 0 0.000000 0 1.600000
+PATCHDATAOUT
+ 0 0.000000 50.000000 0.000000 1.600000 0.000000 1.600000 0.000000 1.600000
+TIMEOFFSET
+ 0.000000
+TLOAD
+ 0 0.000000 0 1.000000 0 0
+V2_PARTICLES
+ 1 0.000000 1 1.000000 Uniform
+V2_PARTICLES
+ 1 0.000000 1 0.000000 u
+V2_PARTICLES
+ 1 0.000000 1 0.000000 v
+V2_PARTICLES
+ 1 0.000000 1 0.000000 w
+V2_SLICE
+ 1 20.000000 1 600.000000 temp : 0.000000 1.000000 1
+V_TARGET
+ 0 1.000000 0 0.000000
+
+
+# FDS/Smokeview Environment
+# -------------------------
+
+# Smokeview Version: Test
+# Smokeview Build: SMV-6.9.3-988-g7acf7b4-master
+# Smokeview Build Date: Sep 26 2024
+# FDS Version: FDS-6.9.1-845-ge4e69b4-nightly
+# FDS Build: FDS-6.9.1-845-ge4e69b4-nightly
+# Platform: WIN64
+
+
+# Graphics Environment
+# --------------------
+
+# OpenGL Version: 4.6.0 - Build 31.0.101.4032
+#   GLSL Version: 4.60 - Build 31.0.101.4032
+#         Red bits:8
+#       Green bits:8
+#        Blue bits:8
+#       Alpha bits:8
+#       Depth bits:24
+# max texture size:16384
+