3 shot trick

What do these two pictures have in Common?







Well. They are in fact the same picture. I tried to take a three shot panorama of St Nic's church in Newbury as an experiment. I used my ultrawide angle lens but I was still far too close really.

I passed the three files to Photoshop and started the autoalignment routine. I cannot imagine the maths involved to make these transformations. I can report that my attempts to do it at 16 bit resolution brought the PC to its knees and I had to abort the process. Photoshop creates various new layers and the image quickly grows to 570Mb. Task manager showed that 2.5Gb of memory was commited at one point.

I guess the attempt to carry out these transformations on that much data proved too much.So, I started again at 8 bit resolution and eventually those two different projections came out.





Here is my attempt at joining the three shots without maths. As you see it is less than optimum...


Comments

Post a Comment

Popular posts from this blog

Casting a shadow

Image
Dismal dark depressing dull damp disappointing December. Hmm. Lets remind ourselves of summer when there were shadows in pictures. Lets concentrate on where the light isn't: Sometimes its the shadows that define a picture. Here are some of hard light examples from the Mediterranean, and each one will have needed some exposure compensation. The first images hints at a sunny day. This one gives you the evidence: A clear blue sky glimpsed between shadows. This third image, also from the much rebuilt and restored fort at Paphos , allows us to see more of the building. A pleasing succession of arches and the reward is the sunshine at the end And finally one last shadow picture: One for Arthur C Clark: The Monolith in Newbury Kennet Centre car park. Its been there for 4.2 Billion years. No one knows what it does.
Read more

The white stuff

Image
Here's a high key picture.  This splendid bloom is presented against a white background to captivate and impress.  This is not a studio picture, I found the subject in a garden we visited. In fact the method I used was to photograph the flower from below and I used the grey sky as a backdrop.  Suitable application of exposure compensation pushes the entire image towards white and gives it the high key look.
Read more