In order to understand how digital orthophotography can be useful you will first need to know about it and of course what it entails. By the time you have finished reading this article this is the information that you will have. Basically it is the technology of old used alongside new technology in order to create something that has many different uses.

Orthophotography is a picture that has been taken from up high, in the best possible weather conditions to give you a view of the ground below with distortion removed with digital technology, this kind of serial photograph can give a picture of what the ground below looks like without having to use representation.

The actual height from which an orthophotographic picture is taken from is 5′000 feet so as you can imagine it can cover a good area size, this will allow you to cover and look at a large area without having obstacles such as hills and tall buildings blocking your view.

It is also used for measurement purposes, and the best way that I can describe it is to compare it to fitting a carpet. If you wanted to fit a carpet into your house before you could purchase it you would need to know the exact size, this is something that you cannot do with guesswork otherwise you could end up with not enough or too much material, this is the same when you think of building structure. If you were to measure the room for the carpet you would not be dragging the tape measure over the furniture in the room, you would do so from the walls as you would be sure they are the clearest space, and if not you would move the obstacle in the way, of course a building would not be as easy to move as your television, neither would a hill or mountain which is why taking a clear photograph from up above is an easier way to do it.

Many organizations as well as businesses can make great use of orthophotography as well as saving money and time in the process. One such organization that uses it is the environmental heritage service which is located in Northern Ireland. What they do is conserve nature and they will be able to tell from a series of photographs taken how much certain things have changed and of course, whether this is an improvement or not so that they can make the necessary changes.

You can not always tell a change such as this one if you were to take photographs from the ground, plus it would take a lot more photographs to cover the area than one taken from up high.

You will find that the pictures are highly detailed which means that they are also able to scope out things such as an illegal dumping site, this kind of activity could go undiscovered of not for orthophotography and people who are ruining our environment would go unpunished.

As you can see there are many uses to orthophotography and it will continue to have its uses for many years to come.

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