Timeline for Using time to calculate service areas in ArcMap?
Current License: CC BY-SA 3.0
11 events
| when toggle format | what | by | license | comment | |
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| Aug 16, 2016 at 23:51 | history | edited | PolyGeo♦ | CC BY-SA 3.0 |
edited title
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| Jun 25, 2015 at 15:00 | vote | accept | greytape | ||
| Jun 24, 2015 at 14:17 | answer | added | Alex Tereshenkov | timeline score: 0 | |
| Jun 24, 2015 at 13:47 | comment | added | greytape | Many thanks for your help here Alex. Turns out I was being stupid and not all of the road lengths had values for 'Seconds' (seems there was a problem when I generated these values in QGIS). Following your advice made me realise this, and seems to be all sorted now. | |
| Jun 23, 2015 at 12:59 | comment | added | greytape | That was one of my thoughts too, but I'm pretty certain that I am using seconds. I have Layer properties -> Analysis Settings -> Impedance set as "Seconds (Seconds)" (Seconds is the name of the relevant column in my attribute table). In Network Dataset Properties -> Attributes I have Seconds listed as a cost attribute using the Unit 'seconds'. | |
| Jun 23, 2015 at 12:52 | comment | added | Alex Tereshenkov | That is correct. If this didn't help, then can you verify that you are actually using the seconds and not the minutes? Because you could cover the UK within 2000 minutes :) | |
| Jun 23, 2015 at 12:47 | comment | added | greytape | I'm not sure that helped. My longest road section is 1794 seconds, so I changed the default breaks in Service Area Layer Properties (analysis settings tab) to 2000 seconds (is this what you were suggesting?). This isn't that large a number, a little over half an hour, but the resulting polygon covered the whole of the UK. | |
| Jun 23, 2015 at 12:27 | comment | added | Alex Tereshenkov | There is a bug in ArcGIS 10.2 NA; try setting for default drive-time value in the NA layer settings to be larger than any value you have specified in the Attr_Impedance field. | |
| Jun 23, 2015 at 12:11 | history | edited | PolyGeo♦ | CC BY-SA 3.0 |
Removed unnecessary thanks etc
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| Jun 23, 2015 at 12:08 | review | First posts | |||
| Jun 23, 2015 at 12:56 | |||||
| Jun 23, 2015 at 12:05 | history | asked | greytape | CC BY-SA 3.0 |