[Qgis-user] Beginner: scanned and georeferenced map looks stretched

[Magnus Ekhall]

I'm using 1.7 with the "on the fly" box ticked.

I did not know of the GDALTools plugin.

Did you mean the Warp tool? (I can't find any transformation...)

Regards,
Magnus

On 29 July 2011 19:53, Alex Mandel <tech_dev at wildintellect.com> wrote:
> Oh and you have to check the Project on the Fly box (1.7+) in addition
> to selecting the projection.
>
> Enjoy,
> Alex
>
> On 07/29/2011 10:45 AM, Alex Mandel wrote:
>> That depends, if you're using 1.7 that should work anything older and it
>> won't. But I actually meant you should use the GDALTools plugin to
>> reproject the file (Transformation).
>>
>> Enjoy,
>> Alex
>>
>> On 07/29/2011 10:32 AM, Magnus Ekhall wrote:
>>> I've tried that by going to Settings -> Project Settings and switching
>>> to SWEREF99 there (immediate coordinate transformation box is ticked).
>>>
>>> But nothing happens at all which is surprising.
>>>
>>> When I look at the paper map I can see that indeed the SWEREF99
>>> coordinates are square, but the WGS84 are stretched vertically.
>>>
>>> Am I doing something wrong with the reprojection?
>>>
>>> Regards,
>>> Magnus
>>>
>>> On 29 July 2011 19:27, Alex Mandel <tech_dev at wildintellect.com> wrote:
>>>> On 07/29/2011 09:49 AM, Magnus Ekhall wrote:
>>>>> I'm a beginner with qgis and need some help.
>>>>>
>>>>> I've scanned a map and georeferenced it using the plugin.
>>>>>
>>>>> When it appears in qgis it looks stretched: about double as wide as on paper.
>>>>> However, the coordinates are correct. I can load a gpx-file into a
>>>>> vector layer, and it gets overlaid on the correct parts of the raster
>>>>> map.
>>>>>
>>>>> Is there a way to change horizontal and/or vertical scale on the screen?
>>>>>
>>>>> I think the reason might be (please correct me if I'm wrong) that the
>>>>> paper map is originally in SWEREF99, but I georeferenced in using
>>>>> points of WGS84...
>>>>>
>>>>> I tried to georeference it in SWEREF99 directly, but then the gpx
>>>>> tracks would load to completely different areas.
>>>>>
>>>>> Regards,
>>>>> Magnus
>>>>
>>>> Try reprojecting it to the SWEREF99 and it will likely look more like
>>>> the paper map.
>>>>
>>>> Enjoy,
>>>> Alex
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