AW: [mapserver-users] JGW+JPG -> TIFF

[Carlo Pelliconi]

About new problems:

1) Have you defined the various characteristic of your PNG output?
You should try with this (for PNG):

OUTPUTFORMAT
    NAME png
    MIMETYPE image/png
    DRIVER GD/PNG
    EXTENSION png
    IMAGEMODE PC256
    TRANSPARENT FALSE
END*

*put this in the mapfile

2) For gdaltindex.exe I don't know: I've never used it, but try looking 
deeper in mapfile definition, maybe you must declare something different 
for using it.

Hope this helps.
Bye
Carlo


Janosch.Skrobek at trier.de ha scritto:
> Hi,
>
> thanks for your answer. I was able to implement one of the pictures into a new layer like you described. Two new problems turn up. 
>
> 1) The image quality is really bad, the picture gets all reddish and yellowish and seems to loose pixels. I use PNG as format for all my maps. All the other (polygon) look ok this way. I tried PNG24 but I'm loosing transparency there. Is there another recommendable image-format? or what can I do to improve the picture quality in mapserver?
>
> 2) I have 80 orthofotos. Since I don't want to add a layer for each one I created a tileindex with gdaltindex.exe ... the created dbf file contains one column called LOCATION and has all the name of my jpegs in it but when I use it in mapserver the screen stays white, no pictures show up. Anyone having ideas on this?
>
> Thank you
> Janosch 
>
> -----Ursprüngliche Nachricht-----
> Von: Carlo Pelliconi [mailto:c.pelliconi at sis-ter.it] 
> Gesendet: Donnerstag, 10. April 2008 15:49
> An: Skrobek, Janosch
> Cc: mapserver-users at lists.osgeo.org
> Betreff: Re: [mapserver-users] JGW+JPG -> TIFF
>
> Hi.
> If you create a layer in the mapfile, with DATA set to your-raster.jpg, 
> it automatically reads .jgw (it must have the same name of the jpg file) 
> and users its informations for georeferencing it. Specify also TYPE 
> raster and if you want MIN/MAXSCALE.
> If you prefer tiff file, you must convert jpg in tif by means of a 
> graphic editor and then translate .jgw in .tfw. It could request not 
> only renaming the file, but also modify some coefficients defined inside 
> the .jgw file (open it with notepad, it is simple text).
>
> Hope this helps.
> Bye
>
> Janosch.Skrobek at trier.de ha scritto:
>   
>> Hello,
>>
>> I have a set of orthophotos which are saved as JPG. Each picture has a
>> corresponding JGW file. Can I somehow implement these into a mapserver
>> layer? Or do I need to create georeferenced tiffs? If so, how can I
>> combine the JGW and JPGs into a tiff?
>>
>>
>> Thank you
>> Janosch
>>
>>     
>
>
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-- 
ing. Carlo Pelliconi
c.pelliconi at sis-ter.it
SIS.TER S.p.A.
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via Mentana, 10
40026 Imola (BO) Italy
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