[Qgis-developer] how can i use my own map tiles in qgis?

leena S qgis.dev0001 at gmail.com
Mon Oct 1 04:20:32 PDT 2012


okey this is really confusing i dont know if am in the right track i just
need a direction where to start with;
all what am trying to do is loading my own offline tiles into qgis to be
able to zoom in and out pan ..etc instead of implementing everything from
scratch;

so this is all what i have been doing:
1) i converted my geotiff to tiles through gdal2tiles and i got my tiles
which is a set of files, and as i mentioned in my last email this is how my
folder looks like:

= 5 (zoom level 5)
==> 20 (x)
===> 18.png (y)
.
.
.
= 13 (zoom level 13)
==> 5253 (x)
===> 4618.png (y)

now i wanna know if i can load my tiles without using tilecache or
mapserver coz as i said i dont need to view my map as a web based
application;

can u tell me how did you manage to make it work with the following xml
file ?

<GDAL_WMS>
     <Service name="TMS">
         <ServerUrl>file:///mytiles/${z}/${x}/${y}.png</ServerUrl>
     </Service>
     <DataWindow>
         <UpperLeftX>-20037508.34</UpperLeftX>
         <UpperLeftY>20037508.34</UpperLeftY>
         <LowerRightX>20037508.34</LowerRightX>
         <LowerRightY>-20037508.34</LowerRightY>

         <TileLevel>18</TileLevel>
         <TileCountX>1</TileCountX>
         <TileCountY>1</TileCountY>
         <YOrigin>top</YOrigin>
     </DataWindow>

     <Projection>EPSG:900913</Projection>
     <BlockSizeX>256</BlockSizeX>
     <BlockSizeY>256</BlockSizeY>
     <BandsCount>3</BandsCount>
     <Cache />
  </GDAL_WMS>

what configuration did u use to make it work ?


On Mon, Sep 24, 2012 at 5:14 PM, leena S <qgis.dev0001 at gmail.com> wrote:

> ok now i am using Quantum gis 1.8.0 with gdal1.7.0
>
> when i load my xml file with quantum gis using "add raster layer" icon, i
> get nothin;
>
> am still confused about gdal and wms server .. i dont know how does it
> work exactly;
>
>
> <ServerUrl>file:///mytiles/${z}/${x}/${y}.png</ServerUrl>
>
> this is how myTiles folder looks like starting from zoom lvl 5 to 13:
>
> = 5 (zoom level 5)
> ==> 20 (x)
> ===> 18.png (y)
> .
> .
> .
> = 13 (zoom level 13)
> ==> 5253 (x)
> ===> 4618.png (y)
>
> am i missin any configuration for my tiles ? i dont really know if wms is
> able to get the tiles this way;
>
>
> On Sun, Sep 23, 2012 at 1:38 PM, Nathan Woodrow <madmanwoo at gmail.com>wrote:
>
>> On Sun, Sep 23, 2012 at 7:26 PM, leena S <qgis.dev0001 at gmail.com> wrote:
>> > thanks for your reply, i updated my xml file but all what i get is a
>> black
>> > screen when i load my xml file as a raster layer in qgis;
>> > am usin qgis version 1.4.0 with gdal 1.7.0;
>> >
>> > my OS is ubuntu 11.04
>>
>> For a start I would suggest updating to a newer version of QGIS. 1.4
>> is very very old.
>>
>> - Nathan
>>
>
>
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