[Qgis-user] Merging Shapefiles on Top of Each Other

Mon Jun 22 03:19:47 PDT 2015

Hi,
Tom, so you have both roads and sectors in same shapefile.
To show all of them, unless you use rule-based renderer style, in
categorized style, they should have a common field filled.
Once you have set the colors for all, at the right bottom of the dialog,
you have an "Advanced" button. Use "symbol level" option to set which color
will be on top of which one...

Regards,

2015-06-22 10:33 GMT+02:00 Paulo van Breugel <p.vanbreugel at gmail.com>:

> If you want one shapefile only, you might want a topologically correct
> file, i.e., no overlapping polygons / boundaries. These could be created
> using the v.clean function (a GRASS function available in the QGIS toolbox).
>
>
> On Mon, Jun 22, 2015 at 9:55 AM, Tom Faro <Tom.Faro at zenith-insurance.co.uk
> > wrote:
>
>>  Hi David,
>>
>> My apologies to both you and Matt as I should have been clearer. My aim
>> is to merge them both so that I can use this shapefile in another piece of
>> software (which will only accept one shapefile to be viewed at a time).
>> However, what you are both suggesting does work perfectly if I want to stay
>> in QGIS, so thanks very much for your help!
>>
>> Regards,
>> Tom
>>
>>
>>
>>    Tom Faro
>>
>> Pricing Analyst
>>
>> Zenith Insurance Management UK Ltd
>>
>>
>>
>> E-Mail :
>>
>> Tom.Faro at zenith-insurance.co.uk
>>
>> Web :
>>
>> www.zenith-insurance.co.uk
>>
>> Address :
>>
>> Chester House, Harlands Road, Haywards Heath, West Sussex, RH16 1LR
>>
>>
>>
>> Zenith Insurance Management UK Limited, a part of the Markerstudy Group
>> of Companies
>>
>>  *From:* David Fawcett [mailto:david.fawcett at gmail.com]
>> *Sent:* 19 June 2015 15:06
>> *To:* Matt Boyd
>> *Cc:* Tom Faro; qgis-user at lists.osgeo.org
>> *Subject:* Re: [Qgis-user] Merging Shapefiles on Top of Each Other
>>
>>
>>
>> Tom,
>>
>> As Matt says, you don't need to combine the roads and sectors into the
>> same dataset to display them together in QGIS.  You can add both separate
>> datasets to a map and you can order the layers so that the roads are drawn
>> after the polygons.
>>
>> David.
>>
>>
>>
>> On Thu, Jun 18, 2015 at 11:02 PM, Matt Boyd <mattslists at gmail.com> wrote:
>>
>> Hi Tom,
>>
>> Have a look at some of the QGIS tutorials (google or the QGIS website
>> shoudl have some). It sounds like you just need to overlay the layers in
>> the correct order, merge generally means something else.
>>
>> You can drag / move the layers around / up / down in the layers window.
>> Generally from top to bottom, points, lines, polygons. There is also an
>> option to give each layer a level of transparency.
>>
>>
>>
>> On Thu, Jun 18, 2015 at 8:59 PM, Tom Faro <
>> Tom.Faro at zenith-insurance.co.uk> wrote:
>>
>>
>>
>> I have been having some trouble with merging two shapefiles – one is a
>> map of all sectors in the UK and one is a map of all motorways in the UK. I
>> have successfully merged them by putting them both as polygons. However,
>> when I fill in the sectors with different colours the road map disappears.
>> The same happens when I use the same shapefile in other software.
>>
>>
>>
>> Is it possible to merge them so that the roads are always on top? Any
>> Help with this matter would be greatly appreciated.
>>
>> Many Thanks,
>> Tom
>>
>>
>>
>>
>>
>> [image: Environment]
>>    ------------------------------
>>
>> Zenith Insurance Management UK Limited is an appointed service provider
>> to Zenith Insurance plc and is not an Agent of Zenith Insurance plc. Zenith
>> and Link are the European brands of the Markerstudy Group of Companies.
>>
>> Zenith Insurance Management UK Limited (Registered No. 5309111). Link
>> Underwriting Agency Limited (Registered No. 4227586). Both companies are
>> registered in England & Wales at Chester House, Harlands Road, Haywards
>> Heath, West Sussex, RH16 1LR. Zenith Insurance Management UK Limited is
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