xadjust to snp_arrow

jeffhsu3 · Jul 29, 2015 · 01f6867 · 01f6867
1 parent b5c94c1
commit 01f6867
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/genda/plotting/annotation.py b/genda/plotting/annotation.py
@@ -1,6 +1,7 @@
 
 
-def snp_arrow(pos, height, snpid, ax, hadjust = 0.0,
+def snp_arrow(pos, height, snpid, ax, 
+        hadjust=0.0, xadjust=0.0)
         **kwargs):
     """ Draws an arrow pointing at a SNP in 
     a Manhattan plot
@@ -19,7 +20,7 @@ def snp_arrow(pos, height, snpid, ax, hadjust = 0.0,
     p_height = ax.get_ylim()
     spacer = (p_height[1] - p_height[0])/rel_width
     ax.annotate(snpid, xy=(pos, height),
-            xytext = (pos, p_height[1] - spacer + hadjust),
+            xytext = (pos + xadjust, p_height[1] - spacer + hadjust),
             arrowprops=dict(facecolor='black', shrink=0.05), 
             **kwargs)
     return ax