V2EX reproject

Reproject

释义 Definition

reproject(动词):把数据(尤其是地图、影像、坐标数据)重新投影到另一种坐标参考系/地图投影中,以便对齐、分析或显示。常见于 GIS、遥感、计算机图形与数据处理语境。(也可更宽泛地指“重新规划/重新呈现一个项目”,但最常用的是地理空间意义。)

发音 Pronunciation

/riprdekt/

例句 Examples

I need to reproject this map to WGS84.
我需要把这张地图重新投影到 WGS84 坐标系。

Before combining the satellite tiles, we reprojected every layer into the same coordinate system to avoid spatial misalignment.
在拼接卫星影像瓦片之前,我们把每一层都重新投影到同一坐标系,以避免空间错位。

词源 Etymology

由前缀 **re-**(“再次、重新”)+ project(源自拉丁语 proicere,意为“向前投掷/投射”)构成。在制图学里,“projection(投影)”指把地球曲面映射到平面的方法;因此 reproject 就是“改用另一种投影/坐标参考系再做一次映射”。

相关词 Related Words

文学作品 Literary Works

该词主要出现在技术类著作与文档中,在小说等传统文学作品里较少见。常见来源包括:

  • PostGIS in Action(介绍空间数据库处理,常讨论坐标系与重投影)
  • Geographic Information Systems and Science(GIS 教材,涉及地图投影与数据重投影)
  • The GDAL/OGR Cookbook(地理数据处理工具文档/教程,常用 “reproject” 描述操作)
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