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Why do you need to record the computer?

"What's wrong with my computer/this tool?" When you have problems of trying new applications or system, and have no idea of how to describe what happened on your computer, you may need a tool to mirror your operations, and then send it to a computer guru or technical support for help. It need to show exactly what you have done and how can this happen, so the technical staff can understand you clearly and give you the quick solution within minutes. It's efficient for you to get the quick response.

Do you really need a camera to record your computer screen?

A camera face to your computer is not the best way for these purposes. First, the camera can not record the screen exactly. Second, you can not edit the video by adding some instructions or narrations. Third, the video file is too big for web sharing and transmission.

Maybe you need an application to record your screen, not a camera!

Demo creator tool helps you to record the screen to mirror all of your operations without camera. You can add tips to highlight the important functions. Furthermore, you can add narration from microphone easily to enhance the demo. At last you can publish the flash movie and transmit to the technical guys. As you know, the flash format with smaller size and better for network transmission.

It's very popular that these demo creator tools work with three steps, record screen, enhance with annotations and publish to movie. A good one in this area I want to highlight is Wondershare DemoCreator, with the excellent functions of Auto-annotation and click zone. It's suitable for individual uses, no need of programming or media skills.

Especially, DemoCreator's build-in ready-for-use after capture, adds the annotation and click zone to recorded screens automatically when recording is being done. After recording is completed, you can just publish the movie immediately. The actions of mouse movements and application operations are recorded automatically already. Audiences can know how to use your products step by step when playing the demo. Furthermore, you can add some animations or interactions to enhance the software demo, thus making the demo more animated and interactive.

Learn more from: http://www.sameshow.com/demo-creator.html

View samples from: http://www.sameshow.com/democreator/create-software-demo-samples.html

Orientation Sensors in Digital Cameras

Cameras can be held in two positions: horizontal or vertical (also knows as landscape and portrait). Photos taken in the vertical position are later on rotated 90 degrees (either clockwise or counter clockwise). Rotating the photos can be automated if your camera sports an orientation sensor.

If you just take a few photos every now and then rotating them manually is not a big deal. Usually after downloading the photos to your computer you will browse through them and when viewing a photo that needs to be rotated you will fix it using your software rotate feature. However when taking hundreds or thousands of photos this process can become tedious and long. The good news is that this process can be automated if the camera you are using includes an orientation sensor.

An orientation sensor is an electronic device built into the camera that can sense if the camera is held horizontally or vertically and if the camera is flipped or not (there are two vertical positions also known as 90 degrees or 270 degrees relative to the horizontal position). We will not get into the details of how this sensor works (there are a few options utilizing some physical feature such as gravitation or magnetic fields).

When taking a photo the camera saves the orientation sensor reading as EXIT data included in the photo file. EXIF stands for Exchangeable Image File Format and it defines a set of tags and semantics that can be added to existing formats such as JPG and TIFF to provide more information about the photo. One such piece of information is the camera orientation.

Software can later on use the EXIF orientation data to automatically rotate photos as needed. There are some options for how you can utilize this orientation data for your benefits, here are a few:

Camera built-in rotation software: Some cameras include an automatic mode in which the camera rotates the photo based on the orientation reading immediately after the photo was taken using build-in rotation software. Using this mode the photos saved on the camera memory are already rotated in the right direction and no further processing is needed.

Photo download software rotation: Some software can automatically rotate photos as they are downloaded from the digital camera to the computer hard disk. Before saving a photo to the hard disk the software checks its orientation and rotates it as needed.

Batch photo processing: Software that perform batch operations on photos. Usually such software can do many common photo processing operations such as contrast enhancements, re-sampling, red eye removal and more. They can also rotate photos based on the EXIF orientation data.

Photo viewers: Some photo viewers can utilize the EXIF orientation data when displaying photos. As opposed to the other solutions in this case the photo file is never changed instead every time a photo is displayed on the computer screen the displayed image is rotated as needed based the photo EXIF orientation data. Some professionals prefer this method as it solves the need to rotate photos in order to view them while it does not change the original file. Rotating a photo can degrade its quality if not done properly and thus leaving the original file as-is and only rotating the viewed image is a good way to guarantee no quality loss.

Orientation sensors are a nice addition to the ease of digital photography. If you plan to take many photos and you want to save time by automatically fixing their orientation when downloading them to your computer check if your camera includes an orientation sensor and if it does not make sure that your next camera does include one. Today such sensors are usually included in more expensive cameras as orientation sensors have not become a standard feature in all digital cameras - at least not yet

About the Author

More information on digital photo printing and photography is available on printrates.com – a site about photo printing This article can be published as long as the resource box including the backlink is included. Mr. Haparnas writes about practical technology and science issues.

How to find out in Digital camera of sony it is original or not ?

"... it is..." What is it?

Are you talking about an image produced by a Sony camera? Usually the EXIF file will at least tell you what camera brand and model took the picture in addition to its shutter speed, f/stop and other data.

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