1 files changed, 11 insertions, 4 deletions

diff --git a/src/model/exp004state.h b/src/model/exp004state.h
index 669e4cb..e3106ec 100644
--- a/src/model/exp004state.h
+++ b/src/model/exp004state.h
@@ -14,13 +14,15 @@
  */
 #define ROWS 83905
 
-#define DEFAULT_COLOR_R 0.2
-#define DEFAULT_COLOR_G 0.2
-#define DEFAULT_COLOR_B 0.2
+#define DEFAULT_COLOR_R 0.5
+#define DEFAULT_COLOR_G 0.5
+#define DEFAULT_COLOR_B 0.5
+#define DEFAULT_COLOR_A 0.5
 
 #define SELECT_COLOR_R 1.0
 #define SELECT_COLOR_G 1.0
 #define SELECT_COLOR_B 1.0
+#define SELECT_COLOR_A 0.8
 
 /*
  * Maintain state of the model.
@@ -84,7 +86,7 @@ typedef struct
   /*
    * RGB color for each protein.
    */
-  float base_colors_data[ROWS][3];
+  float base_colors_data[ROWS][4];
 
   /*
    * Selection list.
@@ -106,6 +108,11 @@ typedef struct
    */
   int select_y;
 
+  /*
+   * Indicate if a selection should be used for a new set or a zoom region.
+   */
+  bool zoom;
+
 } EXP004STATE;
 
 #endif // EXP004STATE_H