Tuesday, October 16, 2007
What is an alpha channel? How can this be useful in your coursework project?
4) What is an alpha channel?
In graphics, a portion of each pixel's data is reserved for transparency information. The alpha channel is really a mask; it specifies how the pixel's colors should be merged with another pixel when the two are overlaid, one on top of the other.
How can this be useful in your coursework project?
This is especially important for animation, where the background changes from one frame to the next. This may prove useful when we eventually incorporate all data togethre ina persentation and this will ineviatble enhance its apperance. (Rendering overlapping objects that include an alpha value is called alpha blending.)
Currently Alpha channels are useful because they allow us to incorporate two images together and succesfully design a realistic composite image. I have to use a program like GIMP or Photoshop in order to alter the transparency and design a composite image of our selected transport system within Derry, as if currently in use.
Reference:http://www.webopedia.com/TERM/A/alpha_channel.html
In graphics, a portion of each pixel's data is reserved for transparency information. The alpha channel is really a mask; it specifies how the pixel's colors should be merged with another pixel when the two are overlaid, one on top of the other.
How can this be useful in your coursework project?
This is especially important for animation, where the background changes from one frame to the next. This may prove useful when we eventually incorporate all data togethre ina persentation and this will ineviatble enhance its apperance. (Rendering overlapping objects that include an alpha value is called alpha blending.)
Currently Alpha channels are useful because they allow us to incorporate two images together and succesfully design a realistic composite image. I have to use a program like GIMP or Photoshop in order to alter the transparency and design a composite image of our selected transport system within Derry, as if currently in use.
Reference:http://www.webopedia.com/TERM/A/alpha_channel.html
# posted by celliott438 : 3:37 PM
