if { [vreadpixel 300 200 rgb name] != "GRAY63" } { puts "Error: wrong color in 3D Viewer" }
# Write file
-SaveAs D_First ${imagedir}/bug28521.xbf
+set aTmpFile ${imagedir}/${casename}.xbf
+SaveAs D_First $aTmpFile
Close D_First
# Read document
-XOpen ${imagedir}/bug28521.xbf D_Second
+XOpen $aTmpFile D_Second
+file delete -force $aTmpFile
# Results validation
set isOK 1