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 <[email protected] <mailto:[email protected]>> 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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