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Hi Jun, It is really hard to tell what is going on. Why don't you try to just do the bundle loading to simplify things. Remove the explicit datasource and display creation and just do the following to see if that works. Then do an isl with just the explicit datasource creation to see if that works. Also - the property setting is not working: <datasource id="${pid}_${hr}hr" url="${dir}/${aqfile}.nc"> <property name="${pid}_${hr}hr" value="${aqfile}.nc"/> Did you mean: <property name="name" value="${aqfile}.nc"/> That should set the name of the datasource. -Jeff <isl debug="true" loop="26" offscreen="false"> <property name="hr" value="24"/> <property name="pid" value="PM25"/> <if expr="${loopindex}>10"> <property name="dir" value="/t1/CMAQ4.6_SAPRC99_AE3_aq/2000-01_winter/basecase/MM5"/> <property name="aqfile" value="M01-IB01-J02-E02.${hr}hr.200101${loopindex}"/> <property name="metfile" value="met/METDOT3D_200101${loopindex}"/> <bundle clear="true" file="${islpath}/WindVectors.xidv" height="600" width="600"> <setfiles datasource=".f*" file="${dir}/${metfile}.nc"/> </bundle> <pause seconds="20"/> </if> </isl> Ticket Details =================== Ticket ID: HSY-189050 Department: Support IDV Priority: Normal Status: Closed