I created 2 locations at the warehouse, one for stock (name "stock") and one for samples (name "samples"). Obviously there is an overlap in products. Default location for stock and sales is "stock". If I receive or send samples, I manually change the destination cq. source location of the products, ensuring the correct location is updated.

In the products view (Warehouse > Products > Products) I see all entered products and the stock of the location "stock". Via Warehouse > Inventory Control > Location Structure I can select one of the locations and via windows Product by Location I can select Analyse Current Inventory or Analysa a Period.

In both cases I see again all the products I entered in OpenERP. However I want to see only a selected (sub)set of products, because for example of drums and ibc's I hardly will have samples. On the other hand, amples are mostly ca. 1kg packings, which I do not sell and do not have to show up in the stock view.

Question: How to filter products on location, keeping in mind there is an overlap of products/packings?

I thought why not add a tag, like you can do with "partners". In that way I can tag a product for "Sale" or "Sample" or both. How can this be done?