i guess there are already some threads to my question,
but i did not find an answer at all.

so here we go:
in my gallery there are about 50 images.
some of them are landscape/horizontal - sized to 400x300px.
others are vertical/portrait - sized to 300x400px.

in that demo gallery on www.zenphoto.org everythings seems to work fine.
have you any suggestions why in my gallery ALL photos only shown up with
400x300 px???

thanks again ;-)

You mean your portrait images are distorted? Which theme and zp version are you using and maybe you could post a link to your site?

No - they arent distorted, allmy pics are rotated and shown as a landscape pic.
you'll see what i mean here: http://www.erlenschule.de/content/galerie_aktuell/index.php

i use that default theme, but i changed the css a little.

thanks again...

Ok, I see the problem, this has nothing to do with CSS, since that is not able to do such things. I guess it is caused by some probably wrong set exif metadata in your photos, so that the images are rotated without need (I actually thought that function is not fully implemented yet). I am not the expert for the exif stuff, so hopefully someone of my fellow developers has an idea.

Well... Most image viewing applications rotate by EXIF information. Afaik zenphoto don’t. To check, if the images are rotated by EXIF information, you need to open the image with a program, that is not able to parse EXIF information. Lika a web browser (Firefox can’t parse EXIF rotating information without an extension) or a simple image editing tool like MS Paint in Windows.

There are a lot of tools available (most better image editing tools like Gimp or even PhotShop and some good image viewing tools) to rotate the image and save it, and then remove the EXIF rotation information (so you get a portraited picture with no EXIF rotation information, resp. a “don’t rotate” information). GD, which is used by zemphoto is not able (by itself) to recognize if there are EXIF rotation informations in the image and dont rotate it. So you allways will get a landscaped picture, because this is, what the image is saved in if you don’t edit the image.

FYI: Digital photos are always in landscape format because of the sensor layout. If you rotate your camera the built-in position sensor sets the EXIF rotating data. but the camera still records a landscape picture, because the sensor itself is landscaped.

Recapitulation: if the editing/displaying program is not able to parse EXIF information, you will always get a ladscaped picture, because this is, what the digital camera creates. To view/edit the portrait image in a tool, that is not able to parse EXIF data, you’ll need to “postprocess” he image first (rotate it manually)

hth,
Dirk

Thanks for the explanation too, since I am not taking photos and even don't have a digital camera.

thanks for that explanation! i'll try it but it sounds good

As DirkSohler has said, zp does not do image rotation. There is a feature request in for this capability, so some day it might, but maybe also by then all the digital cameras will rotate the image automatically anyway (mine does.)

A more suscinct recap: Get a photo processing program and use it to orient the photos before you upload them.