Hi, Im Infowater´s User my versión is 8.5. Actually i work in a big model and i try to allocate a demand in the junctions. I created a shapefile with the billing information, almost 350.000 points. I need assign this informatio to the model but when i run the allocate demand the work take a few minutes and dont allocate any demand. I try build the thiessen Polygons but doesnt work too. Some recomendations about? Thanks.