I think you are asking what to fill in for those files so your image shows up
in the correct location?
Do you know the correct location already?
The file format is already defined on that page; you may wish to click the
"related" links near the top of the page for more information.
1 0.0359281435 Horizontal scale for a pixel
2 0.0000000000 Rotation for row, usually zero
3 0.0000000000 Rotation for column, usually zero
4 -0.0359281437 Vertical scale for pixel, usually negative as rasters
count down from the upper left corner
5 -179.9820349282 Translation, usually "easting" location of the upper
left pixel (ie column 0)
6 89.9820359281 Translation, usually "northing" location of the upper
left pixel (ie row 0)
If you don't know the location of the image you will have to:
- ask whoever gave it to you
- make a program to position the image and calculate the above values; usually
people do this by lining up key points to a background map. The process is
called "georeferencing an image"
Jody
On 26/06/2010, at 6:33 AM, arnauld ndefo wrote:
> excuse me, i have bad formulated my problem in the last mail,
> thank you for the link. I have readed the JPEG example of the link:
>
> http://docs.codehaus.org/display/GEOTDOC/Image+Plugin
>
> I want to know how a can get the .prj and .pgw of the area of my map which
> have the extension .png.
> I have tried to create the bloc note file and modify the extension which are
> .txt in .prj and .pgw. But i don't know what i will put into the file .pgw.
>
> Thank you for your help
>
> Ndefo Kamgne Arnauld
> Cité Ettayour,Immeuble Bolbol 1,Appartement A2,Ariana
> 0021624249357 begin_of_the_skype_highlighting 0021624249357
>
> Ndefo Kamgne Arnauld
> Cité Ettayour,Immeuble Bolbol 1,Appartement A2,Ariana
> 0021624249357
>
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