英汉例句

• the algorithm of transferring vector polygon to raster data is one of the basic algorithms of gis.

  矢量多边形的栅格化算法是地理信息系统的基础算法之一。

• applications store gis data using two distinct data structures: raster data and vector data.

  应用程序使用两种不同的数据结构存储gis数据：栅格数据和矢量数据。

• map projection transformation of vector data is becoming mature presently, but research and application of raster data projection transformation in gis needs further efforts.

  当前gis中矢量数据的投影变换已日趋成熟，而栅格数据的投影变换的研究与应用还需要进一步的深入。

• second, the paper has also studied depiction of marine fishery based raster data model.

  研究了栅格模型下海洋渔业数据的表达。

• it is essential to the spatial raster data structure of gis; in fact, all spatial analysis about raster data is based on the digital topology.

  数字拓扑主要研究栅格空间中离散几何对象的拓扑性质，这些性质在gis空间分析和栅格数据处理中非常重要。

• the subdivision and identifying direction problem of raster data display instrument is proposed by studying the principle of raster measuring.

  通过研究光栅检测的工作原理，提出了光栅数显表的细分和辨向问题。

• the library gives programmers a common data model covering all raster data formats and -- through ogr -- vector data formats.

  该库为编程人员提供了通用的数据模型，包括所有栅格数据格式和矢量数据格式（通过ogr）。

• with the development of computer software and hardware, raster data will run a more important role in gis project.

  伴随计算机软硬件水平的不断提升，栅格数据在gis应用项目中必将起到越来越重要的作用。

• utilizing the extended library provided by erdas imagine, and by using the self-defined spheroid iag75 the projection transform of raster data is achieved successfully.

  此方法利用erdasimagine的扩展库自定义新的投影椭球，用自定义的投影椭球对栅格数据成功地进行了投影变换。

• focus on the principles of raster data storage and applications.

  重点讨论存储栅格数据的原理及应用。

• the parameters of groundwater flow simulation can be automatically acquired by transforming vector data into raster data mutually.

  经过矢量数据与栅格数据互相转换，实现地下水流有限差数值模拟有关参数的自动提取。

• layers of raster data are more often called bands, although the term layer still applies to raster as well as vector data.

  光栅数据的层通常称为段，而术语层仍然用于光栅和矢量数据。

• then, a new table structure to store the raster data is put forward, so that the methods for the erosion-deposition prediction are discussed initially to improve the work efficiency.

  然后提出一种新的存储栅格数据的表结构，对河道的沖淤预测方法进行了初步地探讨，为快速有效地分析河道沖淤规律奠定了基础。

• see the link to the gdal raster format information page in resources for more information on other raster data formats.

  见 参考资料中gdal光栅格式信息页，了解更多关于其他光栅数据格式的信息。

• raster data is non-geometric data defined by a grid of values covering a spatial area.

  光栅数据是由覆盖空间区域的网格值所定义的非几何数据。

• an index model of soil erosion estimation was put forward based on raster data after analyzing the main influence factors in weifenhe watershed.

  在分析土壤侵蚀形成的主要影响因子基础上，提出了基于栅格数据的流域土壤侵蚀量估算的指标模型。

• by analyzing the raster data to do the calculation of the spread of the signal.

  通过分析栅格数据对信号的传播进行计算。

• vector data require far less storage than raster data because arc node lists simplify and reduce the data required to make sense of the features contained in the map.

  矢量数据要求的存储要比栅格数据少得多，因为弧节点列表简化并减少了表示地图中包含的特征所需的数据。

• the development of gis is closely related to the optimization of spatial data structure. the efficient mutual conversion between vector and raster data is one of the key technologies in gis.

  地理信息系统的发展与空间数据结构的优化密不可分，栅格数据与矢量数据之间的高效转换是gis的关键技术之一。

• with the different view of traditional methods, in the light of the topological theory, this paper studies a new method for converting raster data to vector data.

  从与传统方法不同的角度着手，以拓扑关系为指导，研究了一种新的由栅格数据转换为矢量数据的方法。