Solved! Go to Solution.
var mr = new esri.layers.MosaicRule(); mr.method = esri.layers.MosaicRule.METHOD_CENTER; mr.ascending = true; mr.operation = esri.layers.MosaicRule.OPERATION_FIRST; mr.where = "NAME = '" + rasterName + "'"; ArcGISImageServiceLayer.setMosaicRule(mr)
var mr = new esri.layers.MosaicRule(); mr.method = esri.layers.MosaicRule.METHOD_CENTER; mr.ascending = true; mr.operation = esri.layers.MosaicRule.OPERATION_FIRST; mr.where = "NAME = '" + rasterName + "'"; ArcGISImageServiceLayer.setMosaicRule(mr)