raster display

简明释义

光栅显示

英英释义

A raster display is a type of computer screen that creates images by illuminating individual pixels in a grid format, allowing for the representation of complex graphics and images.

光栅显示是一种计算机屏幕,通过在网格格式中照亮单个像素来创建图像,从而能够表示复杂的图形和图像。

例句

1.The clarity of images on a raster display can be affected by the resolution settings.

栅格显示器上,图像的清晰度可能会受到分辨率设置的影响。

2.When designing graphics, it's important to consider how they will appear on a raster display.

在设计图形时,考虑它们在栅格显示器上的显示效果是很重要的。

3.The new gaming console features a high-resolution raster display that enhances the visual experience.

这款新游戏机配备了高分辨率的栅格显示器,提升了视觉体验。

4.Many smartphones today use OLED technology for their raster displays.

如今许多智能手机使用OLED技术来实现其栅格显示器

5.For CAD applications, a high-quality raster display is essential for precision work.

对于CAD应用,高质量的栅格显示器对精确工作至关重要。

作文

In the world of computer graphics, the term raster display refers to a type of screen technology that represents images as a grid of pixels. Each pixel, which stands for 'picture element,' is the smallest unit of a digital image and can be manipulated to display different colors and brightness levels. The concept of raster display is crucial for understanding how images are rendered on devices such as monitors, televisions, and smartphones. Unlike vector displays, which use mathematical equations to create shapes, raster display relies on a fixed resolution and is inherently tied to the pixel density of the device.The history of raster display technology dates back to the early days of computer graphics when screens were primarily monochrome and had limited resolution. As technology advanced, color displays emerged, allowing for a richer visual experience. Today, most digital screens utilize some form of raster display, enabling users to view everything from simple text to high-definition videos.One of the key features of raster display is its ability to represent complex images with great detail. This is achieved by increasing the number of pixels in the grid, resulting in higher resolutions. For example, a Full HD screen has a resolution of 1920x1080 pixels, meaning it can display over two million individual pixels. This high pixel density allows for smooth gradients, intricate details, and vibrant colors, making raster display ideal for applications like gaming, graphic design, and video editing.However, there are limitations to raster display technology. One major drawback is that images can become pixelated when scaled beyond their original resolution. This occurs because the fixed number of pixels cannot accurately represent the finer details of a larger image. Additionally, raster display images may suffer from aliasing, where jagged edges appear on diagonal lines due to the square shape of pixels.To mitigate these issues, various techniques have been developed. Anti-aliasing algorithms help smooth out the edges of objects in raster display images, providing a more visually appealing result. Furthermore, modern graphics processing units (GPUs) are capable of rendering images at higher resolutions and applying these techniques in real-time, enhancing the overall viewing experience.In conclusion, raster display technology plays a vital role in our daily interaction with digital media. Its ability to display detailed images and vibrant colors makes it the backbone of modern visual experiences. As technology continues to evolve, we can expect further advancements in raster display quality and performance, allowing for even more immersive and engaging content. Understanding the principles behind raster display not only enriches our appreciation of digital art but also equips us with the knowledge to navigate the ever-changing landscape of computer graphics effectively.

在计算机图形学的世界中,术语光栅显示指的是一种通过像素网格来表示图像的屏幕技术。每个像素,代表“图像元素”,是数字图像中最小的单位,可以被操控以显示不同的颜色和亮度级别。光栅显示的概念对于理解图像如何在显示器、电视和智能手机等设备上呈现至关重要。与使用数学方程创建形状的矢量显示不同,光栅显示依赖于固定的分辨率,并与设备的像素密度密切相关。光栅显示技术的历史可以追溯到计算机图形学的早期,当时的屏幕主要是单色的,分辨率有限。随着技术的进步,彩色显示器出现,使得视觉体验更加丰富。如今,大多数数字屏幕都采用某种形式的光栅显示,使用户能够查看从简单文本到高清晰度视频的所有内容。光栅显示的一个关键特性是其能够以极高的细节表现复杂图像。这是通过增加网格中的像素数量来实现的,从而获得更高的分辨率。例如,Full HD屏幕的分辨率为1920x1080像素,这意味着它可以显示超过两百万个独立像素。这种高像素密度使得平滑的渐变、精致的细节和生动的颜色成为可能,使得光栅显示非常适合游戏、图形设计和视频编辑等应用。然而,光栅显示技术也存在一些局限性。一个主要缺点是当图像在超出其原始分辨率的情况下缩放时,可能会出现像素化现象。这是因为固定数量的像素无法准确表示更大图像的细微细节。此外,光栅显示图像可能会遭受锯齿状效应,即由于像素的方形形状,斜线的边缘出现锯齿状。为了减轻这些问题,已经开发出各种技术。抗锯齿算法帮助平滑光栅显示图像中物体的边缘,提供更具视觉吸引力的效果。此外,现代图形处理单元(GPU)能够以更高的分辨率渲染图像,并实时应用这些技术,从而增强整体观看体验。总之,光栅显示技术在我们与数字媒体的日常互动中发挥着至关重要的作用。其展示详细图像和生动颜色的能力使其成为现代视觉体验的基础。随着技术的不断发展,我们可以期待光栅显示质量和性能的进一步提升,从而实现更具沉浸感和吸引力的内容。理解光栅显示背后的原理不仅丰富了我们对数字艺术的欣赏,还使我们具备有效应对计算机图形学不断变化的知识。

相关单词

raster

raster详解:怎么读、什么意思、用法