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Development of component geographic information systems applying in forest resources management

机译：开发用于森林资源管理的组成地理信息系统

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摘要

The history, current situation, and development trend of GIS (Geographic Information System) applied in the forest resources management were discussed in this paper. On the basis of geographic spatial characteristics of forest resources data, a component geographic information system (ComGIS) was developed for forest resources management. The system embeds a GIS ActiveX control MapObjects (Inc. ESRI) on Visual C++ platform. System design, data organization and achieving way were studied and expatiated by taking Xigangzi Forestry Centre as study object. The system has many useful functions, such as adding and display of various map layers, zoom of map by wheeling mouse, attribute and spatial data querying, map auto roaming, features rendering based on the spatial trait of data, label controlling through attribute data band with vector graph, as well as output of 'Column chart' for showing the result of statistics. At the same time, parts of source codes are attached.
机译：论述了GIS技术在森林资源管理中的历史，现状和发展趋势。基于森林资源数据的地理空间特征，开发了用于森林资源管理的组件式地理信息系统（ComGIS）。该系统在Visual C ++平台上嵌入GIS ActiveX控件MapObjects（包括ESRI）。以西岗子林业中心为研究对象，研究和阐述了系统设计，数据组织和实现方式。该系统具有许多有用的功能，例如添加和显示各种地图图层，通过滚轮鼠标缩放地图，属性和空间数据查询，地图自动漫游，基于数据空间特征的特征渲染，通过属性数据带进行标签控制向量图，以及“柱形图”的输出以显示统计结果。同时，附加了部分源代码。

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