Tuesday, 16 May 2017

A panoramic view of Hugin

High resolution panoramic image: move it & zoom it with the mouse!

Let me write about panoramas. Above these lines you have an interactive high resolution panoramic image. It is Valmayor reservoir (you also can view it below in a non-interactive image).

Panoramic pictures are interesting: an unusual aspect ratio, the possibility of obtain very high resolution images (joining smaller images)... Human view is a panorama built with two horizontal merged images!

I've tried to make panoramas before. For example, I've tried to merge several layers with transparent parts to make a larger image with Gimp.

Published in "A Walk by Los Cerros de Alcalá" (merging layers in Gimp)

It's possible, but it take a lot of time and the result could be not good enough.

I know there are several choices for this problem, but I've found one I like very much. It's fast, it's easy, it has a lot of advanced settings and it works on Linux! Its name is Hugin.

If you use Ubuntu, you'll find the package in the repositories (if you have problems, visit its download section).

How It works? It's a photo stitcher software. It has a wizard mode where you load your images and it find control points to merge them correctly. It works very very well!

Wizard mode with 3 steps: load, align & make

When you merge images taken with a fixed tripod, rotating the point of view (for example), you are taking the image of a sphere inside. To represent it as a plane image, you must use a projection kind. Hugin let you to chose several projections kinds.

Choosing projections

Hugin works with master points. It can find them automatically, but you also can edit them manually.

Master points (automatically detected)

Finally, when all the settings are correct, the software saves the project and open automatically a shell to execute the needed actions.

The result is a great panorama in a easy way!


Note: I've used CLOSR to show the first image. It seem an interesting option to show large images. It let zoom, navigation, and bookmark of points of interest.

Sunday, 14 May 2017


Valmayor is a reservoir in Madrid (Spain). It's a natural area with a lot of photographic possibilities about waterscapes and connected with the capital by train (line C8A) and bus (line 661A).

I had been looking for nice waterscapes close to train stations and finally I decided that Valmayor could be a good choice. Pictures like these (by Amparo Hervella) influenced to me to take this choice.

I went to "Las Zorreras" train station, and I walk for 3 Km to the reservoir. My gear: the Nikon D810 with the SAMYANG 14mm and my tripod. I visited the Navalquejigo's old church in my way, where a Squatter movement settlement was been established since 1997 (Spanish press post about it).

The picture of the old church is not very good, but I have not any better. It's a HDR image made with three pictures with different exposition. It was taken with a strong backlighting and it's over-processed. There was orchards close to the church, so I didn't find a good angle to take the picture. A bad picture of a beautiful place.

Close to there, in "Los Arroyos", I found the new church.

A while after, I arrived to the reservoir and I could take my first pictures of Valmayor.

The dam is an interesting place to take pictures. You can walk over there and watch the water very close to you You also have an elevated point of view of the landscape there.

Downstairs we have the reservoir. Waves in the water, thin sand, it remembered me to the beach. A lot of birds fly over its waters. It's a beautiful place.

After view the result, I'm sure about I chose badly the time window. I took pictures during the central hours of the day. Next time I'll try to make a evening-night photo session.

Tuesday, 2 May 2017

The Hills of Alcalá

'Los Cerros' Park is one of my favourite places. It is a large extension of natural landscapes (more than 800 hectares) close to the city where I'm living (Alcalá de Henares) with several hills. The most charismatic of them is called 'Ecce Homo' (elevation: 870 m).

Views from 'Ecce Homo'

Above I show some pictures I took yesterday of this nice place and the close fields.


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