[Qgis-user] Road network download

[Xristos Xristoou]

Different arrow for yes and different for no ? And 1,-1?

Στις Παρ, 4 Μαΐ 2018 - 22:27 ο χρήστης Etienne Trimaille <
etienne.trimaille at gmail.com> έγραψε:

> For instance, you can use the field calculator to clean some values in the
> 'oneway' column.
> You can also display an arrow on the line if the field oneway=yes
>
> 2018-05-04 15:22 GMT-04:00 Xristos Xristoou <saxri89 at gmail.com>:
>
>> Thank you!  How to do that ? Pre processing?
>>
>>
>> Στις Παρ, 4 Μαΐ 2018 - 22:19 ο χρήστης Etienne Trimaille <
>> etienne.trimaille at gmail.com> έγραψε:
>>
>>> Values are written in the link I put about -1, 1, yes. Often, with OSM
>>> data, you need some pre-processing to clean all these values. It's based on
>>> the direction of the line.
>>>
>>> Maybe shapefiles from geofabrik are cleaner?
>>>
>>> 2018-05-04 13:24 GMT-04:00 Xristos Xristoou <saxri89 at gmail.com>:
>>>
>>>> I have oneway field with value -1,1,yes and no .but that values is in
>>>> lines and i cant understand connections for oneways
>>>>
>>>>
>>>> Στις Παρ, 4 Μαΐ 2018 - 20:19 ο χρήστης Etienne Trimaille <
>>>> etienne.trimaille at gmail.com> έγραψε:
>>>>
>>>>> Sorry, I fail to understand. With OSM data in QGIS, you have the
>>>>> 'oneway' column in the attribute table. If the field is empty, it means
>>>>> either OSM doesn't have data for that road or by default it's not oneway.
>>>>>
>>>>> https://wiki.openstreetmap.org/wiki/Key:oneway oneway=no is the
>>>>> default so OSM contributors let this field empty. (only to avoid a
>>>>> confusion in some areas).
>>>>>
>>>>> 2018-05-04 13:10 GMT-04:00 Xristos Xristoou <saxri89 at gmail.com>:
>>>>>
>>>>>> Hello
>>>>>>
>>>>>>
>>>>>> I need to download road network to used for travel problems.
>>>>>>
>>>>>> In that road i need to have details for oneways connections.
>>>>>>
>>>>>>
>>>>>> I try to use OSM download QGIS plugin to take the roads but that data
>>>>>> dont have direction details for oneway road connections.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Any idea ?
>>>>>>
>>>>>> Thank you
>>>>>>
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>>>>>
>>>>>
>>>
>
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