topic How to solve a problem in model builder that uses shortest route problem ? in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/how-to-solve-a-problem-in-model-builder-that-uses/m-p/343386#M3235 <HTML><HEAD></HEAD><BODY><TABLE><TBODY><TR><TD class="votecell"><P class="vote"> <SPAN class="vote-count-post">0</SPAN> <A class="vote-down-off" title="This question does not show any research effort; it is unclear or not useful">down vote</A>&nbsp; <A class="star-off" href="http://gis.stackexchange.com/questions/148682/why-the-modelbuilder-doesnt-give-the-actual-result" title="This is a favorite question (click again to undo)">favorite</A>&nbsp;&nbsp; </P></TD><TD class="postcell"><P class="post-text"></P><P>I have 20 pairs of origin and destination. And, also I have 20 different line barriers for those pairs, as I want to determine the shortest path between them. If the name of the origin and destination is 100 then the name of the corresponding barrier is also 100. So, I build the model based upon the algorithm in previous study. The model have a iterator that will select the pair of O-D and corresponding barrier one at a time, to find the shortest path between Origin and Destination.</P><P></P><P>The problem is: although there is a route between them, final output doesn't have shortest path for some of the O-D pairs. When I try to do it one by one using the same model, it works (i.e. shortest path for all of them is obtained easily). But, when I try to do it using whole data at once, only 6 out of 20 shortest path is obtained. The error I get is " No route from location 1 to location 2". I have tried every possible way to solve this, at least I think so. Is there any solution to solve this ?</P></TD></TR></TBODY></TABLE></BODY></HTML> Wed, 27 May 2015 01:30:56 GMT RanjitKhatri 2015-05-27T01:30:56Z How to solve a problem in model builder that uses shortest route problem ? https://community.esri.com/t5/arcgis-network-analyst-questions/how-to-solve-a-problem-in-model-builder-that-uses/m-p/343386#M3235 <HTML><HEAD></HEAD><BODY><TABLE><TBODY><TR><TD class="votecell"><P class="vote"> <SPAN class="vote-count-post">0</SPAN> <A class="vote-down-off" title="This question does not show any research effort; it is unclear or not useful">down vote</A>&nbsp; <A class="star-off" href="http://gis.stackexchange.com/questions/148682/why-the-modelbuilder-doesnt-give-the-actual-result" title="This is a favorite question (click again to undo)">favorite</A>&nbsp;&nbsp; </P></TD><TD class="postcell"><P class="post-text"></P><P>I have 20 pairs of origin and destination. And, also I have 20 different line barriers for those pairs, as I want to determine the shortest path between them. If the name of the origin and destination is 100 then the name of the corresponding barrier is also 100. So, I build the model based upon the algorithm in previous study. The model have a iterator that will select the pair of O-D and corresponding barrier one at a time, to find the shortest path between Origin and Destination.</P><P></P><P>The problem is: although there is a route between them, final output doesn't have shortest path for some of the O-D pairs. When I try to do it one by one using the same model, it works (i.e. shortest path for all of them is obtained easily). But, when I try to do it using whole data at once, only 6 out of 20 shortest path is obtained. The error I get is " No route from location 1 to location 2". I have tried every possible way to solve this, at least I think so. Is there any solution to solve this ?</P></TD></TR></TBODY></TABLE></BODY></HTML> Wed, 27 May 2015 01:30:56 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/how-to-solve-a-problem-in-model-builder-that-uses/m-p/343386#M3235 RanjitKhatri 2015-05-27T01:30:56Z