Photoshop7- aligning photos

Does anyone have any tips on how to align to identical images in photoshop
(stacking) i have tried zooming in and aligning by eye, but it's all abit
hit and miss, not to mention quite labour intensive. Does PS7 have any sort
of intellingent 'snap to' feature i dont know about???

your helpful relpy is feverishly anticipated..
n.t.

 

If they are identical, simply open both, click on one and "select all"
(control-A) and "copy" (control-C).... then click on the other and "paste"
(control-V)

Russell

 

This is what I do:
Select a box around the middle two thirds of the next photo.
Feather the selection by 20 or so
Paste it next to the previous photo
Set the layer opacity to 50%
Match the photos up in the middle
Set opacity back to 100%

 

Hi nt,

I can help you out more easily if you tell me what you're doing it for.
Are the images exactly the same (i.e. shots all taken at the same time
for, say, long exposure shots created from many short exposures, or
increased dynamic range etc)? Do you know about the different blending
options?

If they're the same, then it's easy. Just paste them both over the top
of one another and they should be on seperate layers. Then you can set
the layer blending method to 'difference' so that everything will look
normal when they're perfectly aligned. When they're not aligned, then
the areas that are not aligned will be black, or at least the wrong
colour, depending on how it's set up. It will be obvious anyway.

If they're slightly different, then you're going to have a lot of
trouble, and it will be very fiddly.

Try this, if they're the same...

http://www.tawbaware.com/imgstack.htm

 

Hi Russell, this is exactly what i wanted to know, it works perfectly.
Before i was 'dragging' over the alternate frame onto the BG, hence the
mis-alignment.
thanks again,
n.t.

 

G'day n.t.

Sorry I didn't understand your original question. If you would prefer to
keep using the drag and drop method (I find it easier) hold down the shift
key when dropping. This will center the dropped layer. If the dropped
layer is the same size it will be perefectly alligned.

Hope that useful for you.

KC

 

the shift key.. of course! dont know why i didnt try this before....
thanks Ken

 

Copy the new layer, set opacity to 50%
then use arrow keys to move the image, instead of the mouse. I find it much
easier!
Cheers
JG

 

Hi,

you put each image on a layer, then link the layers, then go to align
layers.

Sandy