Specifications

Crestron Isys

TPS-12/15/17 Tilt Touchpanels

create the truecolor picture. The reason this is called truecolor is that this is around

the maximum number of colors the human eye is able to detect.

Truecolor images are sometimes represented by a 32-bit value. The extra 8-bits do

not enhance the precision of the color representation, but act as an alpha channel that

represents pixel translucency. The 32-bit truecolor has become popular on the

computer desktop to provide effects such as translucent windows, fading menus, and

shadows.

In graphics intensive applications such as touchpanels, raising or lowering the color

depth of the displayed graphics can achieve a balance of performance and quality.

Lower color depths do not require as much frame buffer memory or display

bandwidth, allowing them to be generated and displayed more quickly. Increasing

color depth results in higher color quality at the expense of display speed and

responsiveness. By using a majority of 8-bit or 16-bit graphics, and holding the

32-bit graphics to a minimum (ex. for a family photo, etc.), you can create a

sophisticated project that will fit in the memory space provided, and have the

touchpanel remain very responsive.

Relationship of Bits to Colors

NUMBER OF BITS NUMBER OF COLORS

1 bit Black and White

2 bits 4 Colors

4 bits 16 Colors

8 bits 256 Colors

16 bits 65,536 Colors (Highcolor)

24 bits 16.7 million Colors (Truecolor)

32 bits 16.7 million Colors plus Transparency

When creating a VT Pro-e project, you can elect to compress and reduce the image

size in the “Page Properties” window for the entire page, and/or perform the same

function of reducing the image size using the “Image Properties” window. A

reduction in image size will save a considerable amount of memory space for your

project.

In VT Pro-e, the Compress checkbox permits the image to be compressed when

compiling. The 16 Bits checkbox converts a 24-bit or 32-bit image to 16 bits. This

conversion to a 16-bit image may cause the loss of some subtle shading. To

compensate for this, use the dithering to simulate the original shading. Various

dithering types are available. Refer to the following illustrations.

Operations Guide – DOC. 6375 Tilt Touchpanels: TPS-12/15/17 ¥