<div class="gmail_quote"><div>Jay, there should be more tables.</div><div>So something goes wrong with osm2pgrouitng. but from your output I can't guess what it is.</div><div><br></div><div>Can you give some details (maybe in a new thread)</div>
<div><br></div><div>Daniel</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex">
Well in the US anyway. Also if this is OSM data then you might get a better clue on classes by looking to that .... OH!, look what I found in google :)<br>
<br>
<a href="http://workshop.pgrouting.org/chapters/advanced.html" target="_blank">http://workshop.pgrouting.org/chapters/advanced.html</a><br></blockquote></div><div><br>Hi Steve,<br><br>Thanks for giving me the link. I somehow never tried doing advanced part of the workshop. <br>
<br>Well, it is using routing database which we generate during this step: <a href="http://workshop.pgrouting.org/chapters/osm2pgrouting.html" target="_blank">http://workshop.pgrouting.org/chapters/osm2pgrouting.html</a><br>
<br>I am doing exact steps outlined there but unfortunately, after I run osmtopgrouting command, get following output:<br>
.....<br><lots of mesages regarding different class name, and ids><br>.......<br>class name = roundabout<br>
class id = 401<br>
class id = 401 name = roundabout added to type name=junction<br>
Trying to load data<br>
Trying to parse data<br><br><br>I find only the following 3 tables generated in routing database:<br> List of relations<br> Schema | Name | Type | Owner <br>--------+-------------------+-------+----------<br>
public | geography_columns | view | postgres<br> public | geometry_columns | table | postgres<br> public | spatial_ref_sys | table | postgres<br>(3 rows)<br><br>The tutorial says a total of 8 tables should be generated. <br>
<br>I do not get any other warning or error messages. <br><br>On other hand, I am able to do all steps here: <a href="http://workshop.pgrouting.org/chapters/topology.html" target="_blank">http://workshop.pgrouting.org/chapters/topology.html</a> correctly, and hence till now I was working with pgrouting-workshop database.<br>
<br>I am sorry if this are very silly errors, but I have no previous experience working with such data. Any hint/link why I am not able to generate routing database? <br><br><br></div><div><div></div><div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex">
<br>
Looks like first digit is type and the three digits are from the classes table.<br>
<br>
-Steve<div><br>
<br>
On 6/12/2011 4:33 AM, Jay Mahadeokar wrote:<br>
</div><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex"><div>
<br>
<br>
On Sun, Jun 12, 2011 at 1:32 PM, Anton Patrushev<br></div>
<<a href="mailto:anton.patrushev@georepublic.de" target="_blank">anton.patrushev@georepublic.de</a> <mailto:<a href="mailto:anton.patrushev@georepublic.de" target="_blank">anton.patrushev@georepublic.de</a>>><div>
<br>
wrote:<br>
<br>
Hi Jay,<br>
<br>
No, there was no specific meaning, just king of cyphering - first<br>
digit for road class and then two last digits for road type.<br>
<br>
<br>
Hi Anton,<br>
<br>
So, as you said last 2 digits are for road type. I can see they are<br>
mainly 00, 01, 02, 06, 08, 09, 10, 11, 12 ,14, 17.<br>
<br>
Road class is just 1 or 4.<br>
<br>
Can I differentiate major highways, minor highways, streets etc using<br>
this info?<br>
<br>
Anton.<br>
<br>
On 6/12/11, Jay Mahadeokar <<a href="mailto:jai.mahadeokar@gmail.com" target="_blank">jai.mahadeokar@gmail.com</a><br></div><div><div></div><div>
<mailto:<a href="mailto:jai.mahadeokar@gmail.com" target="_blank">jai.mahadeokar@gmail.com</a>>> wrote:<br>
>> Hi Jay,<br>
>><br>
>> I think that instead of just random times, I would take a different<br>
>> approach to generate this data. If we think about "rush hour"<br>
around a<br>
>> major<br>
>> city, the highways (based on road class) flowing into the city<br>
in the<br>
>> morning would get reduced average speeds you could apply curve like<br>
>> average<br>
>> speed*percent based on 6am (90%), 7am(75%), 8am(45%), 9am(50%),<br>
10am(85%)<br>
>> and do something similar in the evening rush. It might be too<br>
hard to<br>
>> figure<br>
>> on direction of flow in/out bound so apply the curve to all<br>
traffic. The<br>
>> assumption is that the highways are congested which will force<br>
traffic<br>
>> onto<br>
>> side streets. You might want to also reduce the lower class<br>
speeds by say<br>
>> a<br>
>> constant 80% during rush hour.<br>
>><br>
>> If we can get OSM data then it should be easy to populate the<br>
table with<br>
>> that data.<br>
>><br>
>> -Steve<br>
>><br>
><br>
> I am trying to write plpgsql query to generate time-dependent data<br>
> corresponding to the ways table in pgrouting workshop. As<br>
suggested by Steve<br>
> above, instead of generating random data, I will follow patterns<br>
(see above<br>
> message) so that the data is nearer to the real worlds scenario.<br>
><br>
> So, now I need to make distinction between highways, streets etc.<br>
I saw the<br>
> attribute class_id in ways table. It has 14 distinct values:<br>
> class_id<br>
><br>
> ----------<br>
><br>
><br>
> 102<br>
><br>
><br>
> 122<br>
><br>
><br>
> 106<br>
><br>
><br>
> 111<br>
><br>
><br>
> 108<br>
><br>
><br>
> 100<br>
><br>
><br>
> 109<br>
><br>
><br>
> 112<br>
><br>
><br>
> 101<br>
><br>
><br>
> 110<br>
><br>
><br>
> 401<br>
><br>
><br>
> 119<br>
><br>
><br>
> 117<br>
><br>
> 114<br>
><br>
> Any specific meaning attached to these values? I did not find any<br>
> information on the pgRouting-workshop website [1].<br>
><br>
><br>
> Thanks in advance.<br>
><br>
> [1] <a href="http://workshop.pgrouting.org/chapters/topology.html" target="_blank">http://workshop.pgrouting.org/chapters/topology.html</a><br>
><br>
> --<br>
> Regards,<br>
> -Jay Mahadeokar<br>
><br>
<br>
<br>
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</div></div></blockquote></div></div></div><br><br clear="all"><br>-- <br>Regards,<br><font color="#888888">-Jay Mahadeokar<br><br>
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