[Qgis-user] How to set lat/long boundaries for a map

Carlos Cerdán sig.upagu at gmail.com
Tue Oct 1 07:32:27 PDT 2013


... Or maybe you can use "clipper", but first you have to "merge" the tiles
in a virtual raster, so you can do:

1. Build a virtual raster (Raster --> Miscel.. --> Virtual Raster )
2. Crop this virtual raster with boundaries that you want (Raster -->
Extract --> Clipper). It produces a TIFF layer

Good luck

Carlos


2013/10/1 Jonathan Moules <jonathanmoules at warwickshire.gov.uk>

> Hi Joe,
> In QGIS 2.0 I think this is possible with the "Export" tool.
>
> Open the Processing toolbar.
> Type in "export" into the search box at the top.
>
> One of the results is "Export raster layer". Double click this.
>
> It doesn't appear to have any help, however it looks fairly
> self-descriptive. If you want to use a bounding box, enter it into the
> "subset based on georeferenced coordinates" field. If you click on the
> ellipses (...) you'll see some options to help do it manually.
>
> Export it to wherever you want it to go.
>
> It seemed to work OK when I did it for a quick test just now.
>
> Regards,
>
> Jonathan
>
>
>
>
> On 1 October 2013 13:53, Joe Lertola <joe at joelertola.com> wrote:
>
>> Hello,
>>
>> I am very new to Qgis so I apologize if this is information I should have
>> gotten from the documentation. But I have been looking for a while and have
>> not found the answer.
>>
>> I downloaded a couple of tiles of elevation data from
>> http://nationalmap.gov/viewer.html. I am able to bring them into Qgis
>> and display them on screen. What I want to do is crop the map to specific
>> lat/long boundaries and export it as an image file. So far it seems like
>> what you see on screen is what you get when you export the map. I have not
>> found a way so set specific boundaries. Is this possible and if so how?
>>
>> Thanks for any help.
>>
>> -Joe
>>
>>
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>>
>
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