[talk-au] Brisbane river

[Ross]

Ok.

So looking at this:

http://www.openstreetmap.org/relation/1693549

The riverbank multipolygon is closed otherwise this would not render.  
It is a relation made up of 5 ways.

Are you sure you are loading all the data?

There are also limits on how many nodes you can have in a way, that's 
why larger lakes rivers etc are made up of numerous ways in a 
multipolygon relation.

I'd suggest rather than changing the osm data you modify the data in 
QGIS and then generate the map.

Cheers
Ross




On 20/07/15 13:52, Phillip and Kerrie wrote:
> yes I would just be closing the river bank ways.
>
> And yes I am tagging for the renderer. I am making maps for my 
> employer, in QGIS and mapinfo, and wanted to use the OMS data imported 
> as lines and polygons as part of my background.
>
> For this to work with the QGIS importer the river banks need to be 
> closed so as to become polygons.
>
> Phillip Shelton
>
> On 20 July 2015 at 13:40, Ross <info at 4x4falcon.com 
> <mailto:info at 4x4falcon.com>> wrote:
>
>     Guess it depends on how you go about this.
>
>     I'm guessing that you intend to create waterway=riverbank[1]
>     multipolygons for the rivers and leave the waterway=river[2] in
>     place marking the centerline of the river.
>
>     If so  should not be a problem.
>
>     Be careful that you are not tagging for the renderer though.  As this:
>
>     "Having the wide rivers as closed objects means that waterways
>     import as polygons and that makes making good looking maps easier."
>
>     sounds very much like manipulating the data to create the output
>     you want.
>
>     Cheers
>     Ross
>
>
>     [1]http://wiki.openstreetmap.org/wiki/Tag:waterway%3Driverbank
>     [2]http://wiki.openstreetmap.org/wiki/Tag:waterway%3Driver
>
>
>     On 20/07/15 13:17, Phillip and Kerrie wrote:
>>     HI,
>>
>>     I recently downloaded the openstreetmap data for parts of South
>>     East Queensland.  When I imported this data into GIS, I found
>>     that the waterways were not always closed objects. Having the
>>     wide rivers as closed objects means that waterways import as
>>     polygons and that makes making good looking maps easier.
>>
>>     Would I be stepping on anyone's toes if I closed the waterway
>>     ways on the wider rivers in SEQ?
>>
>>     Phillip Shelton
>>
>>
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