cylindrical equal-space projection

简明释义

等距圆柱投影

英英释义

A map projection in which the surface of the Earth is projected onto a cylinder, maintaining equal spacing between points on the map, thus preserving distances along certain lines.

一种地图投影方法,其中地球表面被投影到一个圆柱体上,保持地图上点之间的等间距,从而在某些线上保持距离的准确性。

例句

1.Cartographers prefer the cylindrical equal-space projection for world maps because it maintains equal spacing across the globe.

制图师更喜欢在世界地图上使用圆柱等距投影,因为它在全球范围内保持了均匀的间距。

2.In geographic information systems, the cylindrical equal-space projection is often used for its simplicity in representing large areas.

在地理信息系统中,圆柱等距投影因其在表示大面积时的简单性而常被使用。

3.The map features a cylindrical equal-space projection, which allows for accurate distance measurements between points.

这张地图采用了圆柱等距投影,可以准确测量各点之间的距离。

4.For navigation purposes, the cylindrical equal-space projection provides a useful way to visualize routes on a flat surface.

为了导航目的,圆柱等距投影提供了一种在平面上可视化路线的有用方式。

5.One limitation of the cylindrical equal-space projection is that it can distort shapes, especially near the poles.

使用圆柱等距投影的一个局限性是,它可能会扭曲形状,尤其是在极地区域。

作文

The world we live in is a complex three-dimensional space, and representing this space accurately on a two-dimensional surface has always been a challenge for cartographers and geographers. One of the methods developed to tackle this issue is known as cylindrical equal-space projection. This technique allows for the representation of geographical areas while maintaining proportionality in distances across the map, making it a valuable tool for various applications.To understand the significance of cylindrical equal-space projection, we need to first explore what it entails. In simple terms, this projection method involves wrapping a cylinder around the globe, where the cylinder touches the Earth at the equator. When the cylinder is unwrapped, it creates a flat map that preserves the areas of geographical features, ensuring that they are represented in the correct proportions relative to one another. This characteristic makes cylindrical equal-space projection particularly useful for creating maps that require accurate area representation, such as thematic maps showing population density or land use.One of the most well-known examples of a cylindrical equal-space projection is the Peters Projection, which gained popularity in the 1970s for its emphasis on equal-area representation. Unlike the more commonly used Mercator projection, which distorts the size of landmasses near the poles, the Peters Projection provides a more realistic view of the world by accurately depicting the size of countries and continents in relation to each other. This has sparked discussions about the importance of perspective in map-making and how different projections can influence our understanding of global geography.However, while the cylindrical equal-space projection offers advantages in terms of area accuracy, it does come with its own set of challenges. For instance, while distances may be preserved along the equator, distortion occurs as one moves towards the poles. This can lead to inaccuracies in navigation and travel planning, which are critical for various industries, including aviation and shipping. Therefore, it is essential to choose the right projection based on the specific needs of the map user, whether they prioritize area accuracy, distance fidelity, or shape preservation.In conclusion, the cylindrical equal-space projection represents a significant advancement in the field of cartography, allowing for a more equitable representation of geographical areas. Its ability to maintain proportionality in size makes it an essential tool for thematic mapping and educational purposes. However, users must remain aware of its limitations, especially concerning distance distortion. As we continue to explore and innovate in the realm of map-making, understanding the implications of different projection methods, including cylindrical equal-space projection, will be crucial for accurately conveying information about our world.In summary, the cylindrical equal-space projection is not just a technical term but a vital concept that shapes how we perceive and interact with geographical data. By grasping its principles and applications, we can better appreciate the intricacies of our planet and the maps that represent it.

我们生活的世界是一个复杂的三维空间,而在二维表面上准确地表示这个空间一直是制图师和地理学家的挑战之一。为了解决这个问题,开发出了一种方法,被称为圆柱等面积投影。这种技术允许在保持地图上距离比例的同时表示地理区域,使其成为各种应用中的一种有价值的工具。要理解圆柱等面积投影的重要性,我们需要首先探讨它的含义。简单来说,这种投影方法涉及将一个圆柱包裹在地球周围,其中圆柱在赤道处接触地球。当圆柱被展开时,它创建了一张平面地图,保持地理特征的面积,从而确保它们相对彼此以正确的比例表示。这一特性使得圆柱等面积投影在创建需要准确面积表示的地图时特别有用,例如显示人口密度或土地利用的专题地图。圆柱等面积投影最著名的例子之一是彼得斯投影(Peters Projection),它因强调等面积表示而在1970年代获得了广泛关注。与更常用的墨卡托投影(Mercator projection)不同,后者在极地附近扭曲了陆地的大小,彼得斯投影通过准确描绘国家和大陆之间的相对大小提供了一个更真实的世界视图。这引发了关于制图过程中视角重要性的讨论,以及不同投影如何影响我们对全球地理的理解。然而,虽然圆柱等面积投影在面积准确性方面提供了优势,但它也带来了一系列挑战。例如,尽管赤道上的距离可能得到保持,但随着向极地移动而发生的扭曲会导致导航和旅行规划中的不准确,这对于航空和航运等多个行业至关重要。因此,根据地图用户的具体需求选择合适的投影是至关重要的,无论他们优先考虑面积准确性、距离保真度还是形状保留。总之,圆柱等面积投影代表了制图领域的一项重大进展,使地理区域的表现更加公平。它保持大小比例的能力使其成为专题制图和教育目的的重要工具。然而,用户必须意识到它的局限性,尤其是在距离扭曲方面。随着我们继续探索和创新制图领域,理解不同投影方法的影响,包括圆柱等面积投影,对于准确传达有关我们世界的信息至关重要。总之,圆柱等面积投影不仅仅是一个技术术语,而是一个重要的概念,塑造了我们如何感知和与地理数据互动。通过掌握它的原理和应用,我们可以更好地欣赏我们星球的复杂性以及表示它的地图。

相关单词

projection

projection详解:怎么读、什么意思、用法