OK, I understand now. It looks as nice trick.
As I remembered I spoke with Stacho about this problem with generation of xvi files some times ago. Thanks Martin > I do have a map defined in a .th-file like: > > map abc > survey-a at subsurvey-1 > survey-b at subsurvey-2 > endmap > > (survey-a and survey-b contain line data) > > Inside the config-file I use statements: > select abc > export map -fmt xvi ... > > This export does contain all surveydata a not only survey-a and survey-b. > > But if i use inside the config-file instead: > select survey-a at subsurvey-1 > select survey-b at subsurvey-2 > export map -fmt xvi ... > > This export does only contain survey-a and survey-b (as also expected when > select abc).