SHP矢量数据-城市的建筑外轮廓-成都_shp城市数据资源-CSDN文库

共7个文件

xml：1个

shx：1个

shp：1个

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标题中的"SHP矢量数据-城市的建筑外轮廓-成都"是指一种特定的数据格式，即ESRI的Shapefile（SHP）格式，它被广泛用于地理信息系统（GIS）中存储地理空间数据。SHP文件通常包含几何对象，如点、线和多边形，这些对象可以代表地图上的各种要素，如本例中的“建筑外轮廓”。这里，数据集是关于成都市的，提供了该城市建筑物的外部边界信息。描述中的内容与标题相同，强调了这是成都市的建筑外轮廓数据，暗示我们可以用这些数据进行城市规划、环境分析、房地产研究等。标签"数据集"表明这是一个包含多个相关数据的集合，可能包括多个文件，如.shp、.dbf、.shx等，它们共同构成一个完整的SHP数据集。"建筑地产"标签则提示我们，这些数据在房地产开发、建筑规划、市场分析等领域具有重要价值。压缩包子文件的文件名称列表为"CD城市建筑外轮廓"，这可能是压缩文件的主文件名，可能包含了多个与成都市建筑外轮廓相关的SHP文件或相关支持文件。详细知识点如下： 1. **SHP文件格式**：SHP是ESRI公司开发的一种无编码的空间数据格式，它可以存储几何对象、属性数据和元数据。每个SHP文件通常会伴随.dbf（属性数据）、.shx（索引）和.prj（投影信息）等文件。 2. **几何对象**：在这个数据集中，建筑外轮廓可能以多边形的形式存在，每个多边形代表一个建筑的边界。这些多边形可以有属性数据，如建筑的名称、高度、用途等。 3. **GIS应用**：这种数据可以用于城市规划，比如分析建筑密度、计算建筑面积、评估日照条件、进行交通规划等。同时，也是房地产分析的基础，可以帮助预测房价、规划商业布局、评估开发潜力。 4. **投影信息**：.prj文件定义了数据的坐标系统，这对于正确显示和分析地理数据至关重要。成都位于中国的西部，可能会采用中国本地的投影系统，如西安80或CGCS2000坐标系。 5. **属性数据**：.dbf文件是基于Dbase格式的表格，包含与几何对象相关的属性信息。例如，每栋建筑可能有ID、地址、用途、建成年份等字段。 6. **数据处理**：使用GIS软件（如ArcGIS、QGIS等）可以加载、查看、编辑这些SHP数据，并与其他地图数据叠加，进行空间分析。 7. **数据共享与互操作性**：SHP是一种开放格式，可跨平台和跨软件使用，有利于数据的交换和合作。 8. **数据精度**：建筑外轮廓数据的精度取决于数据采集方法，可能通过卫星遥感、航空摄影测量或者地面测量获取，精度从米级到厘米级不等。 9. **更新与维护**：城市建筑数据随着时间推移需要定期更新，以反映新建建筑、拆除或改造等情况。 10. **法规与政策**：此类数据在使用时可能受到法律法规限制，如隐私保护、知识产权和公开数据政策等，使用者需确保合法合规使用。这个"SHP矢量数据-城市的建筑外轮廓-成都"数据集提供了丰富的城市地理信息，对于理解和分析成都市的建筑状况、进行城市规划和房地产研究具有重要价值。通过合适的GIS工具，可以深入挖掘这些数据的潜力，为决策提供科学依据。

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CD城市建筑外轮廓.rar （7个子文件）

CD城市建筑外轮廓

CD.shx 13.38MB

CD.shp 320.85MB

CD.dbf 122.09MB

CD.CPG 5B

CD.prj 425B

CD.xml 81KB

CD.lock 0B

<?xml version="1.0" encoding="UTF-8"?> <metadata xml:lang="zh"><Esri><CreaDate>20210716</CreaDate><CreaTime>20210000</CreaTime><ArcGISFormat>1.0</ArcGISFormat><SyncOnce>FALSE</SyncOnce><DataProperties><lineage><Process ToolSource="c:\program files (x86)\arcgis\desktop10.6\ArcToolbox\Toolboxes\Conversion Tools.tbx\RasterToPolygon" Date="20210716" Time="141430">RasterToPolygon H:/rooftop_2021/chengdu\0000.tif H:\rooftop_2021\shp_cd\0000.shp NO_SIMPLIFY Value SINGLE_OUTER_PART #</Process><Process ToolSource="c:\program files (x86)\arcgis\desktop10.6\ArcToolbox\Toolboxes\Data Management Tools.tbx\Merge" Date="20210716" Time="154141">Merge 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