栅格数据结构
- 网络raster data structure
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从数据结构上来说,栅格数据结构是描述空间地理信息的最简单的结构,又称为网格结构(raster或gridcell)或象元结构(pixel)。
From the opinion of data structure , the raster data structure is a description of spatial geographic information , the simplest structure , also known as the grid structure ( raster or grid cell ) or the pixel structure ( pixel ) .
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栅格数据结构及数据获取方法
Raster Data Structure and Data Acquisition Method
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基于栅格数据结构分析的土壤侵蚀强度判别方法研究及应用
Methods of Differentiating Soil Erosion Intensity Raster Spatial Data Structure
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浅谈栅格数据结构及其压缩编码方法栅格编码新方法在机器人路径规划中的应用
Application of path encoding novel mechanism based on grids in path planning for mobile robot
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栅格数据结构实际就是像元阵列,每个像元由行列确定它的位置。
In fact , the raster data structure is a pixel array , each pixel fix its position with its rank .
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第二部分综合分析了矢量数据结构与栅格数据结构转换领域已有的转换算法。
In the second part , many approaches for mutual transferring between vector structure and raster structure have been analyzed synthetically .
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结合和尚桥铁矿实际,对应用三维栅格数据结构研究矿床的三维建模和储量计算中涉及的若干技术和方法进行了评述。
On the basis of state of Heshangqiao Iron Mine , the3D modeling researching ore body by3D grid data structure and some technologies and methods used in ore reserves calculation were reviewed .
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与矢量数据结构相比,用栅格数据结构表达地理要素比较直观,容易实现多层数据的叠合操作,便于与遥感图像及扫描入数据匹配使用等。
Compare to using vector data , using raster data to express geographic elements is straighter and easy to achieve the composition of multi-layer data , which is also convenient to matching remote sensing images data and scanning data .
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一种适合掌上电脑GIS矢量的栅格存储数据结构的研究
The Study on Vector Based Raster Data Structure for PDA
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矢栅一体化的三维地形可视化研究一种适合掌上电脑GIS矢量的栅格存储数据结构的研究
A Research on the Displaying of Vector Data and Raster Data Contemporarily above the Three-Dimension Terrain The Study on Vector Based Raster Data Structure for PDA
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在RS与GIS集成环境下,实现基于独立变量的矢量栅格一体化数据结构,并建立了基于B+树与四叉树的联合索引结构;
Later on , the unified data structure of the vector and the grid based on independent variate was achieved in the integrated environment of RS and GIS , also a combined index about the B + tree and the Quadtree was constructed .
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面向对象矢量的栅格存储数据结构研究
Study on Object-Oriented Vector Based Raster Data Structure
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基于栅格的数据结构探讨
The communication procedures between gateways based on the recommendation T. Discussion of Data Structure Based on Raster Data
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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。
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 .
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在利用RS&GIS(RemoteSensingandGeographicInformationSystem,遥感和地理信息系统)技术,进行区域土壤侵蚀调查和编制土壤侵蚀图时,可以采用矢量和栅格两种数据结构。
The both special data structures , vector and raster , are used in surveying the regional soil erosion survey and mapping soil erosion intensity atlas based on the RS & GIS ( Remote Sensing and Geographic Information System ) .
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然后提出一种新的存储栅格数据的表结构,对河道的冲淤预测方法进行了初步地探讨,为快速有效地分析河道冲淤规律奠定了基础。
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 .
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应用基于矢量网格的空间叠加分析方法解决栅格和常规矢量数据结构在处方生成中的局限,生成了基于土壤养分和目标产量为主要因素的施肥处方;
Using vector-grid spatial-overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription , it made fertilizer prescription founded on the main factor of soil nutrient and yield-target .
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对融合了栅格数据和矢量数据优点的栅格矢量一体化数据结构进行了改进,设计了适用于管网数据的栅格矢量一体化数据结构;
The unification data structure of vector and raster is improved .