ATI RADEONX1900 User Guide - Page 28

Dot pitch, Flat Shading, Frame Buffer, color value

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24 Dot pitch Dot pitch specifies the sharpness of a monitor's display. It is measured in millimeters (mm) and is the distance between the individual phosphor subpixels in a CRT display or cells of the same color within an LCD display. The smaller the number, the sharper the image. The most common dot pitches for monitors range from .24 mm to .31 mm. Also, if a monitor with a .24 mm dot pitch is set to its highest possible resolution, the pixel size will equal the dot pitch. If the monitor is set to lower resolutions, the pixels will be comprised of multiple dots. DVI Acronym for "Digital Video Interface," a standard video connection used on many current computer displays. There are three types of DVI connections: DVI-A (analog), DVI-D (digital), and DVI-I (integrated, capable of either analog or digital). It supports high-bandwidth video signals over 160 Hz, so it is most often used for high-resolution displays. Flat Shading A lighting technique that shades each polygon of a 3D object based on where the source of the light is and the angle of the polygon in relation to it. It enables relatively fast rendering of 3D objects, although it can make those objects appear "faceted" as each visible polygon is set to a particular color value, and consequently does not produce as realistic an effect as obtained when using Gouraud shading. Fog Term used to describe the blending of an object using a fixed color as objects are made to appear more distant from the viewer. Frame Buffer The portion of the memory buffer on the graphics card used to store the image being displayed. All rendering processes have been accomplished by this stage and this buffer contains only a one-to-one relationship of the data to be relayed to the display.

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24
Dot pitch
Dot pitch specifies the sharpness of a monitor’s display. It is measured in
millimeters (mm) and is the distance between the individual phosphor sub-
pixels in a CRT display or cells of the same color within an LCD display.
The smaller the number, the sharper the image. The most common dot
pitches for monitors range from .24 mm to .31 mm. Also, if a monitor with
a .24 mm dot pitch is set to its highest possible resolution, the pixel size will
equal the dot pitch. If the monitor is set to lower resolutions, the pixels will
be comprised of multiple dots.
DVI
Acronym for “Digital Video Interface,” a standard video connection used
on many current computer displays. There are three types of DVI
connections: DVI-A (analog), DVI-D (digital), and DVI-I (integrated,
capable of either analog or digital). It supports high-bandwidth video
signals over 160 Hz, so it is most often used for high-resolution displays.
Flat Shading
A lighting technique that shades each polygon of a 3D object based on
where the source of the light is and the angle of the polygon in relation to
it. It enables relatively fast rendering of 3D objects, although it can make
those objects appear “faceted” as each visible polygon is set to a particular
color value, and consequently does not produce as realistic an effect as
obtained when using Gouraud shading.
Fog
Term used to describe the blending of an object using a fixed color as
objects are made to appear more distant from the viewer.
Frame Buffer
The portion of the memory buffer on the graphics card used to store the
image being displayed. All rendering processes have been accomplished by
this stage and this buffer contains only a one-to-one relationship of the data
to be relayed to the display.