Hi: The network bands tool accurately calculates distance based on use of the road/street network. If a location is beyond the maximum driving distance chosen, then it cannot be reached within that band from the origin location. Maptitude Mapping Software <http://www.caliper.com> Group Moderator
--- In [email protected], Juan Marín wrote: > > Hi, > > Ok, thank you very much. > > Is there any way to avoid what you said about the differences between > the both sides of the motorways or not take account the direction of the > links, at least for both sides of a motorway? > > I mean, I need to calculate the Network bands for a distance of 25km to > a selection set of nodes which are schools. When I calculate them, If > in the edge of 25km I have a motorway the band at the right side (in the > direction away from the source node) is correct but the left side of the > motorway it's not included in the band, as you explained to me in the > last e-mail. > > But I would like that the band were in the left side too, because this > is the side of the motorway to access to the school by car. > > Thank you very much > > Bye > > El 13/06/2013 21:55, [email protected] escribió: > > > > Hi: > > > > > > The two distance should be the same. > > > > When you click with the routing toolbox along a motorway for example, > > there may be a difference if your starting and ending locations are on > > different sides of the road. This is because the routing toolbox will > > have to use ramps and backtrack to reach the destination. > > > > Maptitude Mapping Software Group Moderator > > > > > > --- In [email protected], Juan Marín wrote: > > > > > > Hi everyone! > > > > > > I'm a new Maptitude's user from Madrid, Spain. I'm taking my first > > steps > > > with Maptitude and I want to ask you about the network bands. > > > > > > I'm working with the Spain Country Package and the streets layer. After > > > doing the network bands (With the Lenght field as the cost to minimize) > > > I analyzed them with the Shortest Path tool and I just realized that > > the > > > results are not exactly the same. > > > > > > I mean, If I have a band of 30 km and I do the Shortest Path between > > the > > > origin node to the end of the band in some cases I do not get exactly > > > the 30 km. I've tried switching the parametres of the Shortest Path > > > Routing between use local streets, highways or let Maptitude choose > > for me. > > > > > > Is this normal? > > > > > > Do the networks bands calculation have any diferent parameters to the > > > Shortest path tool? > > > > > > I must say that in urban areas I get better results that in rural areas. > > > > > > Thank you very much > > > > > > Bye > > > > > >
