diff --git a/codebase/apps/procmap/src/procmap_unregister/procmap_unregister.hh b/codebase/apps/procmap/src/procmap_unregister/procmap_unregister.hh
index b0f1ce6a1d..21b1aa99f0 100644
--- a/codebase/apps/procmap/src/procmap_unregister/procmap_unregister.hh
+++ b/codebase/apps/procmap/src/procmap_unregister/procmap_unregister.hh
@@ -44,10 +44,9 @@
 
 typedef struct {
 
-  char *prog_name;            /* program name */
-
-  char *name;
-  char *instance;
+  const char *prog_name;            /* program name */
+  const char *name;
+  const char *instance;
   int pid;
   int debug;
 
diff --git a/codebase/apps/procmap/src/test_procmap/test_mapper.cc b/codebase/apps/procmap/src/test_procmap/test_mapper.cc
index 1d4914d8b2..c2f244d988 100644
--- a/codebase/apps/procmap/src/test_procmap/test_mapper.cc
+++ b/codebase/apps/procmap/src/test_procmap/test_mapper.cc
@@ -125,9 +125,9 @@ static int get_info(PROCMAP_info_t **return_info_p)
   memset ((void *) &request,
 	  (int) 0, (size_t) sizeof(PROCMAP_request_t));
   
-  strncpy(request.name, Glob->name, PROCMAP_NAME_MAX);
+  strncpy(request.name, Glob->name, PROCMAP_NAME_MAX - 1);
   strncpy(request.instance, Glob->instance,
-	  PROCMAP_INSTANCE_MAX);
+	  PROCMAP_INSTANCE_MAX - 1);
   
   nprocs = 0;
   
diff --git a/codebase/apps/procmap/src/test_procmap/test_procmap.hh b/codebase/apps/procmap/src/test_procmap/test_procmap.hh
index 49d52f05a8..d69abdd331 100644
--- a/codebase/apps/procmap/src/test_procmap/test_procmap.hh
+++ b/codebase/apps/procmap/src/test_procmap/test_procmap.hh
@@ -48,11 +48,11 @@
 
 typedef struct {
 
-  char *prog_name;            /* program name */
-  char *param_path_name;      /* parameters file path */
-  char *procmap_host;         /* name of server mapper host */
-  char *name;
-  char *instance;
+  const char *prog_name;            /* program name */
+  const char *param_path_name;      /* parameters file path */
+  const char *procmap_host;         /* name of server mapper host */
+  const char *name;
+  const char *instance;
   int do_repeat;
   int do_register;
   int do_unregister;
diff --git a/codebase/apps/radar/src/Lucid/cidd.h b/codebase/apps/radar/src/Lucid/cidd.h
index ee297b31d1..70914fd238 100644
--- a/codebase/apps/radar/src/Lucid/cidd.h
+++ b/codebase/apps/radar/src/Lucid/cidd.h
@@ -192,6 +192,16 @@ class Global_data {
 
   bool redraw_horiz;
   bool redraw_vert;
+  bool time_has_changed;
+  bool field_has_changed;
+  bool zoom_has_changed;
+  bool vsect_has_changed;
+  double ht_has_changed;
+
+  time_t prev_time;
+  int prev_field;
+  double prev_min_x, prev_min_y, prev_max_x, prev_max_y;
+  double prev_ht;
 
   // projections
   
diff --git a/codebase/apps/radar/src/Lucid/cidd_init.cc b/codebase/apps/radar/src/Lucid/cidd_init.cc
index b34cab64a3..068fb26746 100644
--- a/codebase/apps/radar/src/Lucid/cidd_init.cc
+++ b/codebase/apps/radar/src/Lucid/cidd_init.cc
@@ -369,8 +369,22 @@ int init_data_space()
 
   // global redraw flags
 
-  gd.redraw_horiz = false;
-  gd.redraw_vert = false;
+  gd.redraw_horiz = true;
+  gd.redraw_vert = true;
+
+  gd.time_has_changed = true;
+  gd.field_has_changed = true;
+  gd.zoom_has_changed = true;
+  gd.vsect_has_changed = true;
+  gd.ht_has_changed = true;
+
+  gd.prev_time = -1;
+  gd.prev_field = -1;
+  gd.prev_min_x = -9999.0;
+  gd.prev_min_y = -9999.0;
+  gd.prev_max_x = -9999.0;
+  gd.prev_max_y = -9999.0;
+  gd.prev_ht = -9999.0;
   
   // movies
 
diff --git a/codebase/apps/titan/src/verify_grid/get_truth_path.cc b/codebase/apps/titan/src/verify_grid/get_truth_path.cc
index a1767c964e..2ae130b29a 100644
--- a/codebase/apps/titan/src/verify_grid/get_truth_path.cc
+++ b/codebase/apps/titan/src/verify_grid/get_truth_path.cc
@@ -50,7 +50,7 @@ char *get_truth_path (char *detect_file_path)
 
 {
 
-  static char truth_file_path[MAX_PATH_LEN];
+  static char truth_file_path[MAX_PATH_LEN * 2];
 
   char dir_path[MAX_PATH_LEN];
   char *name, file_ext[16];
@@ -121,9 +121,9 @@ char *get_truth_path (char *detect_file_path)
      * the correct subdirectory
      */
     
-    sprintf(dir_path, "%s/%.4d%.2d%.2d",
-	    Glob->params.truth_data_dir,
-	    this_dt->year, this_dt->month, this_dt->day);
+    snprintf(dir_path, MAX_PATH_LEN - 1, "%s/%.4d%.2d%.2d",
+             Glob->params.truth_data_dir,
+             this_dt->year, this_dt->month, this_dt->day);
 	
     /*
      * load file name of the closest scan to the requested time
@@ -224,11 +224,10 @@ static int find_best_file (char *dir_path,
       time_diff = abs ((int) (file_dt.unix_time - search_time));
 	  
       if (time_diff < *time_error) {
-	    
+        
 	*time_error = time_diff;
-	sprintf(file_path, "%s%s%s",
-		dir_path, PATH_DELIM,
-		dp->d_name);
+	snprintf(file_path, MAX_PATH_LEN * 2 - 1, "%s%s%s",
+                 dir_path, PATH_DELIM, dp->d_name);
 	f_count++;
 	    
       } /*if (time_diff < *time_error) */
diff --git a/codebase/apps/titan/src/verify_grid/update_cont.cc b/codebase/apps/titan/src/verify_grid/update_cont.cc
index c7eca4fb9d..17a217dc18 100644
--- a/codebase/apps/titan/src/verify_grid/update_cont.cc
+++ b/codebase/apps/titan/src/verify_grid/update_cont.cc
@@ -243,7 +243,7 @@ static void cont_specified_grid(contingency_t *cont,
 				FILE* scan_cont_file)
 
 {
-  static char *routine_name = "cont_specified_grid";
+  static const char *routine_name = "cont_specified_grid";
   
   static int first_call = TRUE;
   static ui08 *truth_grid, *detect_grid;
diff --git a/codebase/apps/titan/src/verify_tracks/debug_print.cc b/codebase/apps/titan/src/verify_tracks/debug_print.cc
index 69e50d85ee..be301f96c8 100644
--- a/codebase/apps/titan/src/verify_tracks/debug_print.cc
+++ b/codebase/apps/titan/src/verify_tracks/debug_print.cc
@@ -37,7 +37,7 @@
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
 #define MAX(a, b) ((a) > (b) ? (a) : (b))
 
-static void print_grid(char *label,
+static void print_grid(const char *label,
 		       ui08 **forecast_grid,
 		       ui08 **verify_grid);
 
@@ -88,7 +88,7 @@ void debug_print(track_file_handle_t *t_handle,
  * print_grid()
  */
 
-static void print_grid(char *label,
+static void print_grid(const char *label,
 		       ui08 **forecast_grid,
 		       ui08 **verify_grid)
 
diff --git a/codebase/apps/titan/src/verify_tracks/parse_args.cc b/codebase/apps/titan/src/verify_tracks/parse_args.cc
index cb150033b6..3fd452ef30 100644
--- a/codebase/apps/titan/src/verify_tracks/parse_args.cc
+++ b/codebase/apps/titan/src/verify_tracks/parse_args.cc
@@ -51,7 +51,7 @@ void parse_args(int argc,
   char *end_pt;
   char usage[BUFSIZ];
   char *malloc_debug_str;
-  char *debug_str;
+  const char *debug_str;
 
   /*
    * set usage string
diff --git a/codebase/apps/titan/src/verify_tracks/print_contingency_table.cc b/codebase/apps/titan/src/verify_tracks/print_contingency_table.cc
index c06113ff62..3c112cb67e 100644
--- a/codebase/apps/titan/src/verify_tracks/print_contingency_table.cc
+++ b/codebase/apps/titan/src/verify_tracks/print_contingency_table.cc
@@ -35,7 +35,7 @@
 #include "verify_tracks.h"
 
 void print_contingency_table(FILE *fout,
-			     char *label,
+			     const char *label,
 			     vt_count_t *count)
 
 {
diff --git a/codebase/apps/titan/src/verify_tracks/print_stats.cc b/codebase/apps/titan/src/verify_tracks/print_stats.cc
index 6102554cd0..ba64882e33 100644
--- a/codebase/apps/titan/src/verify_tracks/print_stats.cc
+++ b/codebase/apps/titan/src/verify_tracks/print_stats.cc
@@ -36,12 +36,13 @@
 
 static vt_stats_t *Stats;
 static void print_stat(FILE *fout,
-		       char *label,
+		       const char *label,
 		       fl32 *bias_p,
 		       int print_norm);
 
 void print_stats(FILE *fout,
-		 char *heading, vt_stats_t *stats)
+		 const char *heading,
+                 vt_stats_t *stats)
 
 {
 
@@ -103,7 +104,7 @@ void print_stats(FILE *fout,
  */
 
 static void print_stat(FILE *fout,
-		       char *label,
+		       const char *label,
 		       fl32 *bias_p,
 		       int print_norm)
 
diff --git a/codebase/apps/titan/src/verify_tracks/verify_tracks.h b/codebase/apps/titan/src/verify_tracks/verify_tracks.h
index 80d88fa01f..8634f6919c 100644
--- a/codebase/apps/titan/src/verify_tracks/verify_tracks.h
+++ b/codebase/apps/titan/src/verify_tracks/verify_tracks.h
@@ -359,11 +359,11 @@ extern void perform_verification(storm_file_handle_t *s_handle,
 				 vt_stats_t *total_stats);
 
 extern void print_contingency_table(FILE *fout,
-				    char *label,
+				    const char *label,
 				    vt_count_t *count);
 
 extern void print_stats(FILE *fout,
-			char *label,
+			const char *label,
 			vt_stats_t *stats);
 
 extern void read_params(void);
diff --git a/codebase/libs/Mdv/src/include/Mdv/mdv/mdv_dataset.h b/codebase/libs/Mdv/src/include/Mdv/mdv/mdv_dataset.h
index adf25bd8f7..1679a70fcf 100644
--- a/codebase/libs/Mdv/src/include/Mdv/mdv/mdv_dataset.h
+++ b/codebase/libs/Mdv/src/include/Mdv/mdv/mdv_dataset.h
@@ -147,10 +147,10 @@ extern int MDV_write_dataset(FILE *outfile, MDV_dataset_t *dataset,
 extern int MDV_write_dataset_remote(MDV_dataset_t *dataset,
 				    int output_encoding_type,
 				    int swap_chunk_data,
-				    char *output_host,
-				    char *output_dir,
-				    char *output_filename,
-				    char *local_tmp_dir);
+				    const char *output_host,
+				    const char *output_dir,
+				    const char *output_filename,
+				    const char *local_tmp_dir);
 
 /******************************************************************************
  * MDV_SET_CHUNK_HDR_OFFSETS: Set the chunk data offsets in all of the chunk
diff --git a/codebase/libs/Mdv/src/oldMdv/mdv_dataset.c b/codebase/libs/Mdv/src/oldMdv/mdv_dataset.c
index aa3daf80e9..0183028b9c 100644
--- a/codebase/libs/Mdv/src/oldMdv/mdv_dataset.c
+++ b/codebase/libs/Mdv/src/oldMdv/mdv_dataset.c
@@ -688,10 +688,10 @@ int MDV_write_dataset(FILE *outfile, MDV_dataset_t *dataset,
 int MDV_write_dataset_remote(MDV_dataset_t *dataset,
                              int output_encoding_type,
                              int swap_chunk_data,
-                             char *output_host,
-                             char *output_dir,
-                             char *output_filename,
-                             char *local_tmp_dir)
+                             const char *output_host,
+                             const char *output_dir,
+                             const char *output_filename,
+                             const char *local_tmp_dir)
 {
   static char *routine_name = "MDV_write_dataset_remote";