Index: /issm/trunk-jpl/src/m/plot/applyoptions.js
===================================================================
--- /issm/trunk-jpl/src/m/plot/applyoptions.js	(revision 19855)
+++ /issm/trunk-jpl/src/m/plot/applyoptions.js	(revision 19856)
@@ -213,16 +213,17 @@
 			var caxisdelta = caxis[1] - caxis[0];
 			var clabelitem;
+			precision=options.getfieldvalue('colorbarprecision',3);
 			if (options.exist('log')) {
 				for (var i = cdivisions; i >= 0; i--) {
 					if (caxisdelta*i/cdivisions==min) {
-						labels[i] = (caxis[0]).toPrecision(3);
+						labels[i] = (caxis[0]).toPrecision(precision);
 					}
 					else {
-						labels[i] = (Math.exp(Math.log(caxisdelta)*i/cdivisions)+caxis[0]).toPrecision(3);
+						labels[i] = (Math.exp(Math.log(caxisdelta)*i/cdivisions)+caxis[0]).toPrecision(precision);
 					}	
 				}
 			} else {
 				for (var i = cdivisions; i >= 0; i--) {
-					labels[i] = (caxisdelta*(cdivisions-i)/cdivisions+caxis[0]).toPrecision(3);
+					labels[i] = (caxisdelta*(cdivisions-i)/cdivisions+caxis[0]).toPrecision(precision);
 				}
 			}