[Qgis-user] Simple Georeference a .png chart

[Andre Joost]

Am 10.10.2014 22:27, schrieb Atanvarno:
> Hi All!
>
> I am new to the GIS topic and also new to QGIS. My problems seemed to be
> very easy, but with my last try I was then running completely wrong and I
> hope you can help me since I thought I have done everything correctly.
>
> I have added 2 pictures as example (KEWR_AFC.png, KEWR_AGC.png)(originally
> its a .tiff, but does not matter for this test). On the KEWR_AGC I have
> drawn the grid lines to make it easier to set some coordinates. Be aware
> that I made an error on the right side and one gridline is wrong. But for
> this example and the test it should not matter if its known. Also there is a
> Reference point in the middle of the chart as confirmation that everything
> is ok after georeferencing.
>
> On the KEWR_AFC there are a lot of Points already defined with coordinates
> which can be used to georeference the .png.

Have you respected that coordinates are given in degrees - minutes, 
while QGIS usually expects decimal degrees? And have you taken Western 
coordinates as negative?

HTH,
André Joost