For ArcMAP : After calculating cvalues , select all features of the layer and then run "feature to Raster" toolFor VBA Code : Create a queryfilter having whereclause that select all features of the layer. Pass this queryfilter to featureClassDescriptor: Set pQFilter = New QueryFilter pQFilter.WhereClause = "FID >= 0" Set pFCDes = New FeatureClassDescriptor pFCDes.Create pFeatureClass, pQFilter, "TempVal"