raster data

The input and edition of background map for raster display are discussed in this paper. The edition of background map includes type definition, data integration, north correction, map put together, range match, coordinate conversion, and so on.

讨论光栅显示器背景地图的输入及地图数据的类型定义、数据合成、正北校正处理、地图拼接、距离匹配、坐标转换等编辑处理过程。

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Fast Dynamic Encoding of Raster Data Using Linear Bintree and Its Realization

基于二叉树的栅格数据快速编码及其实现

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When accessed to the whole raster data, the records remain in the stack are the re-quired bintree encoding results.

当对整个栅格数据遍历一次后，栈中剩下的记录便是所需的线性二又树编码结果。

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Create riverbed DEM from Soundings, arrange the other elements and raster display, construct the model in waterway and associate data with the underwater scene space. 3.

在ArcGlobe中利用水深点创建河床DEM，处理其他要素与栅格的显示，建设航道中模型并将其与水下场景空间数据关联。

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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.

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The basic problems in realizing Virtual City are how to store, load, query and update large-scale 3D models efficiently, and how to manage 3D Model with the vector-graph, text attribute and raster data.

实现虚拟城市应用的其中一个基本问题就是如何有效的存储、读取、检索和更新大规模的场景数据，以及把虚拟场景和矢量地图、文字属性以及栅格数据进行统一管理。

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Data and even raster are obtained through the experiment.

通过实验得到均匀的扫描光栅,测得一组实验数据.

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Study on High Distinguishability Raster Data Display Instrument of Phase Discrimination

高分辨率鉴相型光栅数显表的研究

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Vectorized data conversion of raster data for line feature

线状要素的栅格数据矢量化

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Study of Vector and Raster Data Symbolization in Computer Aided Cartography

计算机地图制图中矢量、栅格数据符号化研究

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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。

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This paper develops two waps of data structure based on raster data. One way is area-oriented data structure. another is object-oriented data structure.

本文提出了两种基于栅格的数据结构，一种是面向区域的数据结构，另一种是面向目标的数据结构，这两种方法都有效地达到了压缩数据的目的。

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For the sake of the convenience for overlay analysis, the vector data are always transferred to raster data.

由于栅格数据十分有利于空间分析中的叠置分析，因而通常需要将矢量数据转换成栅格数据。

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Then according to the CS modal, research was done on the multi-functional MT based on the city spatial information service platform, which enable the terminal to query vector and raster data.

其次根据项目的代理服务器/客户端模型，作了基于城市空间信息服务平台支撑的多功能移动终端的开发和研究，使终端具有矢量、栅格图形的查询能力；

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GDAL also enables programmers to project raster data onto worldwide geographical coordinates, known as georeferenced coordinates.

GDAL还可让编程人员在世界地理坐标（即地理参考坐标）上设计栅格数据。

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After that, the standardization and socioeconomic data spatialization processes and the sustainable land use evaluation in study area based on raster spatial data are accomplished.

然后对评价指标数据进行了标准化和空间化处理，对研究区域进行了基于栅格空间数据的土地可持续利用评价。

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