overlay analysis

Fourthly, it's the certain advantages for the grassland classification and the assessment of grassland health by utilizing GIS overlay analysis.

第四，利用GIS空间叠置技术进行草原分类和健康评价具有一定的优势。

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Finally, we get change category and change statistical results by overlay analysis.

最后通过类别叠加分析得到变化类别和变化统计结果。

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Post-classification process, i.e., modify classified thematic map with overlay analysis to generate a mineral resource potential map.

分类后处理，用叠置分析修正空间分类结果，生成区域矿产资源潜力分布图。

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Prediction of water inrush from coal seam floor confined based on geo-information composite overlay analysis

基于地学信息复合叠置分析对煤层底板突水的预测

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The analysis provides in the information analysis and buffer overlay analysis functions.

在信息分析方面提供了叠加分析和缓冲分析功能；

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A Fuzzy Overlay Analysis Model for Raster Map Layers

一种栅格图层的模糊叠置分析模型

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In this paper, an overlay analysis method was introduced to improve the detection probability compute model of radar-net, then validate the method by simulation.

引入空间叠置分析方法改进了雷达网发现概率计算模型，并进行了仿真验证。

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The final evaluation results will arrive from the overlay analysis on these two thematic maps of susceptibility levels.

二者得出的敏感性等级区划专题图再次根据等级进行叠加分析，从而得出最终的综合评价结果。

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Computer-aided map overlay analysis and its applications to the studies of natural resources

机助地图叠置分析及其在自然资源研究中的应用

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A Method of Graphic Overlay Analysis from Grid Data and its Application in the City and Town Planning

栅格图形数据叠置分析方法及其在城镇规划中应用

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Objective patterns: ( 2) spatial overlay analysis;

目标模式：空间叠加分析；

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Research on Comprehensive Application of DEM and GIS Spatial Overlay Analysis Technology in Land Quantitative Evaluation

DEM与空间叠加分析在土地定量评价中的研究

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The results based on decision-making tree and GIS overlay analysis show that the soil organic matter always holds the first place in all knowledge rules, P and N rank the second.

决策树和GIS图层叠置方法研究结果表明，土壤有机质始终占据决策树全部知识规则的第一次分支，起着重要的决定性作用，其次为速效磷和碱解氮；

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The spatial analysis, including topological analysis, overlay analysis, buffer analysis and so on, is achieved.

实现了图形对象的拓扑分析、叠置分析和缓冲区分析等空间分析功能。

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Study and Applications of divide and conquer algorithm in spatial overlay analysis

空间叠加分析中的分而治之算法研究与应用

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In this paper we use two important methods of the spatial analysis, the buffer analysis and the overlay analysis. We get the correct area by adding the resident data to the road data.

方法中主要运用了缓冲区分析和叠置分析，通过把居民地层数据叠置到道路层数据进行联合分析，为道路网的自动选取构建出了正确的空间拓扑关系。

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Based On the study of the theory and the method on the grassland classification, has discussed the approaches of the grassland classification by Using GIS' overlay analysis;

在对草原分类理论和方法研究的基础上，讨论了GIS叠置分析功能进行草原分类的方法；

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Preliminary study on algorithms of polygon's overlay analysis based on SVG

基于SVG的多边形叠置分析算法初探

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Take advantage of tools designed for overlay analysis, proximity analysis, surface analysis, and raster processing and conversion.

采取的叠加分析，接近分析，表面分析设计工具的优势，和光栅的加工转化。

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The paper introduces the characteristics of GIS spatial analysis and the methods of statistical analysis and overlay analysis applied in mineral exploration.

作者在本文中介绍了GIS空间的分析特征及应用于区域地质找矿的两种方法，即统计分析和叠加分析。

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Through overlay analysis between rules between the main species found mixed relationship, the choice of tree species has certain guiding significance.

通过规则之间的叠加分析发现主要树种之间的混交关系，对造林树种的选择具有一定的指导意义。

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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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At last, two collaboration and parallel samples ( spatial data navigation and overlay analysis) are given to illustrate the use of Geo-Agents.

最后，以空间数据导航和叠加分析作为实例验证了Geo-Agents系统对空间信息的合作和并行处理。

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⒊ Noise prediction model is integrated into the system to achieve calculation of forecast noise value and the results of expression; It achieves several spatial analysis functions such as visibility analysis, buffer analysis and overlay analysis.

将噪声预测模型集成入系统实现了预测点噪声值的预测计算与结果表达；实现了遮挡分析、缓冲区分析、叠置分析等空间分析功能。

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The research classifies geomorphology type and relief by means of the overlay analysis of two factors; it gets 50 kinds of comprehensive data of Mountains. It achieves a new method of Mountains digital classification.

采用两两组合叠加分析法，对地貌类型数据和地势起伏类型数据进行叠加分析，提取出50种不同类型的山地综合类型数据，实现了山地数字化分类新方法研究。

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The distribution and area change data of desert reclamation in Minqin Basin during last 40 years were obtained by overlay analysis and area statistic in GIS.

利用GIS软件进行迭加运算处理并进行面积统计，获得民勤盆地40年来荒漠垦殖位置变化图和面积变化数据。

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Using overlay analysis, buffer analysis and AHP method, forest fires impact factors were studied and their weight were divided.

利用叠置分析和缓冲区分析方法，对森林火灾的多个影响因子进行了分析，并利用层次分析模型，对这些影响因子进行了权重划分。

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( 2) spatial overlay analysis;

空间叠加分析；

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It is simple to realize the map overlay analysis utilizing the Map AnalysisPackage ( MAP) which was researched and produced by Ohio State University of U, S. A. and others.

利用美国俄亥俄大学等研制的地图分析软件包（MAP）能够比较容易地实现地图叠置分析，在城市土地利用空间结构演化等研究领域具有实用价值。

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Realization and Application of Map Overlay Analysis in Environment of MAP

MAP环境下地图叠置分析的实现和应用

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