What Is the File Extension HDR?
File extensions are used by computer operating systems to determine which program should open when a particular file extension is encountered. File extensions will tell you at a glance what type of file you are dealing with and many will alert you to the program that created the file.
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Significance
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The HDR file extension stands for "High Dynamic Range" and is a type of image.
Function
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HDR files are a type of image that can be created with certain software programs like Photomatix and Adobe Photoshop.
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Effects
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HDR files were designed to better show highlights and shadows, giving the effect of a 3-D image.
Considerations
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To create HDR images, you must have a digital camera that can photograph images in a RAW format.
Benefits
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The images that are produced are quite stunning but requires the merging of 2 to 3 separate images to produce the effect. There is a learning curve to be able to create these images.
Fun Fact
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The Computer Graphics Division of Lucasfilm was one of the first groups to standardize this technology.
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