0f09add63f6f06980b54fe6b18881d38747db60b
kate
  Thu Nov 19 12:20:50 2015 -0800
Add difference graph feature to GTEx track. refs #15645

diff --git src/hg/inc/gtexUi.h src/hg/inc/gtexUi.h
index 73dc32d..14b287e 100644
--- src/hg/inc/gtexUi.h
+++ src/hg/inc/gtexUi.h
@@ -20,22 +20,27 @@
 /* Viewing limits */
 #define GTEX_MAX_LIMIT                  "maxLimit"
 #define GTEX_MAX_LIMIT_DEFAULT          300
 /* TODO: Get default from gtexInfo table */
 
 /* Sample selection and comparison */
 #define GTEX_SAMPLES                    "samples"
 #define GTEX_SAMPLES_ALL                "all"
 #define GTEX_SAMPLES_COMPARE_SEX        "sex"
 #define GTEX_SAMPLES_DEFAULT            GTEX_SAMPLES_ALL
 
 #define GTEX_SAMPLES_COMPARE_AGE        "age"
 #define GTEX_COMPARE_AGE_YEARS          "years"
 #define GTEX_COMPARE_AGE_DEFAULT        50
 
+#define GTEX_COMPARISON_DISPLAY         "comparison"
+#define GTEX_COMPARISON_MIRROR          "mirror"
+#define GTEX_COMPARISON_DIFF            "difference"
+#define GTEX_COMPARISON_DEFAULT         GTEX_COMPARISON_MIRROR
+
 /* Graph type */
 #define GTEX_GRAPH              "graphType"
 #define GTEX_GRAPH_RAW          "raw"
 #define GTEX_GRAPH_NORMAL       "normalized"
 #define GTEX_GRAPH_DEFAULT      GTEX_GRAPH_RAW
 
 #endif /* GTEXUI_H */