Add everycomp, depthsort fields.

src/specks.h

@@ -223,6 +223,7 @@ struct stuff {
   char vdcmd[128];
 
   int subsample;	/* show every Nth data point */
+  int everycomp;	/* compensate for subsampling by brightening? */
   int *cmap;		/* rgba format */
   int ncmap;		/* number of entries in cmap, 1..256 (> 0) */
 
@@ -231,6 +232,8 @@ struct stuff {
 
   struct AMRbox clipbox; /* clipping region.  clipbox.level > 0 if active. */
 
+  int depthsort;	/* sort particles by camera distance? */
+
   int fetchpid;
   volatile int fetching; /* busy fetching data in subprocess (don't start another fetch) */
   volatile int fetchdata, fetchtime; /* data and timestep being fetched */