topic No option for string-type descriptor in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/no-option-for-string-type-descriptor/m-p/197241#M1995 <HTML><HEAD></HEAD><BODY><SPAN>Hello everyone</SPAN><BR /><SPAN>I can't see any possibility to add string descriptor to my network dataset. As it seams, only numeric types of descriptor are available.</SPAN><BR /><SPAN>What I want to do is create a parameterized restriction using road identificator (which is of string type) as input parameter to avoid specified road in tracing.</SPAN><BR /><SPAN>The restriction evaluator script should be something like: </SPAN><BR /><BR /><SPAN>Dim restrict,param</SPAN><BR /><SPAN>restrict = False</SPAN><BR /><SPAN>param = ParameterValueByName("roadIdStringParam") </SPAN><BR /><SPAN>If (Edge.AttributeValueByName( "roadIdStringDescriptor" ) = param) Then</SPAN><BR /><SPAN>restrict = True</SPAN><BR /><SPAN>End If</SPAN><BR /><BR /><SPAN>of course, it doesn't work because roadIdStringDescriptor cannot be defined as string.</SPAN><BR /><BR /><SPAN>Does anybody have any suggestion for a workaround? Or am I getting it all wrong? </SPAN><BR /><SPAN>I am using ArcGis 10.1.</SPAN><BR /><SPAN>Thanks in advance</SPAN><BR /><BR /><SPAN>Daniel</SPAN></BODY></HTML> Wed, 24 Apr 2013 12:09:17 GMT DanielForgac 2013-04-24T12:09:17Z No option for string-type descriptor https://community.esri.com/t5/arcgis-network-analyst-questions/no-option-for-string-type-descriptor/m-p/197241#M1995 <HTML><HEAD></HEAD><BODY><SPAN>Hello everyone</SPAN><BR /><SPAN>I can't see any possibility to add string descriptor to my network dataset. As it seams, only numeric types of descriptor are available.</SPAN><BR /><SPAN>What I want to do is create a parameterized restriction using road identificator (which is of string type) as input parameter to avoid specified road in tracing.</SPAN><BR /><SPAN>The restriction evaluator script should be something like: </SPAN><BR /><BR /><SPAN>Dim restrict,param</SPAN><BR /><SPAN>restrict = False</SPAN><BR /><SPAN>param = ParameterValueByName("roadIdStringParam") </SPAN><BR /><SPAN>If (Edge.AttributeValueByName( "roadIdStringDescriptor" ) = param) Then</SPAN><BR /><SPAN>restrict = True</SPAN><BR /><SPAN>End If</SPAN><BR /><BR /><SPAN>of course, it doesn't work because roadIdStringDescriptor cannot be defined as string.</SPAN><BR /><BR /><SPAN>Does anybody have any suggestion for a workaround? Or am I getting it all wrong? </SPAN><BR /><SPAN>I am using ArcGis 10.1.</SPAN><BR /><SPAN>Thanks in advance</SPAN><BR /><BR /><SPAN>Daniel</SPAN></BODY></HTML> Wed, 24 Apr 2013 12:09:17 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/no-option-for-string-type-descriptor/m-p/197241#M1995 DanielForgac 2013-04-24T12:09:17Z