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Southern California Linux Expo 2011...
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Southern California Linux Expo 2011

=== Robot maker's webpages and pictures info ===

Robotics index.
General info (with links to many images).
Technical F.A.Q. (many images).
Robot maker's webpages and pictures info (this page).
Robot requirements.

Q & A related to robot makers web page and taking pictures.

This page is simply a help for making a web page and taking good enough quality pictures.

Let's start by the fine prints:

We are responsible for nothing. Absolutely nothing.

What my web page should include ?
- What you are trying to accomplish
- what you have already done.
- give credit to anybody who has helped you in any ways.
- A few images.
- A link to this page.
- A link to SCALE page.
Where should I post my web page ?
Your page can be hosted on any place of your choice (on the Internet), providing, it is a site publicly visible.
Meaning no login and password needed to view the page.

Your page can also be posted on the LinuxAstronomy web site.
How to take acceptable quality pictures ?

When taking pictures to show your accomplishment, please, try to follow these few steps :

- Do take most of your images horizontally.
- Go as close as you can of the object, so it show what you want. However...
- Magnifying glasses as macro-photo lens...
- Have enough light.

Do take most of your images horizontally.
It is just easier for computers, most of the screens are wider than their height.
This is purely for convenience, nothing is wrong to show a few images vertically.

Go as close as you can of the object, so it show what you want. However...
However, do not go closer than the point your camera can no more adjust its focus.
While your intention was correct, going to close, will result in blurry images.
Each camera has a minimum distance, including cell phone cameras.

It is better to backup a little to have a sharp picture, even if it means seeing part of a messy desk, some dirty socks, what ever.

Being to close will not show your messy desk or dirty sock, but the ending image may be so blurry that it become nearly useless.

If you have to backup a little to get a sharp image, the image can always be trimmed, so the messy desk or dirty sock, will not show up.
We can do the trimming for you (using the "gimp" application).

Magnifying glasses as macro-photo lens...
A trick, I used a few times for the telescope making images, was to put a magnifying lens in front of the camera lens.
That was more or less equivalent to have a "macro-lens", or more accurately a lens for "micro-photography".
The edges are still on the blurry side, but the center was clear. If the lens diameter is bigger than the lens of the camera, the edges look pretty good.

Have enough light.
Many time we take images by night, when ever we have time to work on the project. We "burn the midnight oil" just because we are fascinated, or simply have not much time in day time.
In this case, try to have some light on your project.
Even a flashlight is better than nothing, providing it light uniformly the object(s).
Cameras flashes are not always the best choice or may need help, especially close, sometimes, they flash off center, which light part of the image only.

By following these simple rules, you should have more chances to present better looking images on your web page.


The latest and original of this document is available at the following address: http://www.linuxastronomy.org/lias/lias/hp/show/hp_scale_2011/lias_robotic_03.html
SCALE 9, Los Angeles 2011.

This page as well as the whole site is Copyright© , 2001 - 2010 Eugene Clement