SPAN8.
SPAN4.
Data retrieval in FME is primarily done in the FME Data Inspector. In this tutorial, you will focus on retrieving data using the FME Data Inspector. For a more detailed tutorial on the FME Data Inspector, see the桌面基本课程手册。或者,如果您有兴趣使用FME数据检查器进行栅格数据,请参阅查看和检查栅格文章。
在此方案中,您将使用FME数据检制器选择功能。首先,您将通过在屏幕上选择个别功能来检索数据,然后您将学习如何通过查询属性选择,最后,您将学习如何使用搜索信封选择功能。选择数据后,您将将功能导出到CSV文件;但是,您可以轻松地导出到另一种格式(例如shapefile,文件地理数据库等)。
You will also notice that the selected feature is also highlighted in the Table View. Another method for selecting features is by clicking on them in the Table View. Here you can sort the columns by ascending/descending for both alphabetical and numerical data.
这将使您的选择缩小到2个功能,市中心和西端
Another option is to use the Filter Features function to only display features that pass a test clause.
This selection method allows you to select multiple features which can be previewed using the arrows below the feature information window.
本教程中使用的数据源自可提供的开放数据温哥华市, 不列颠哥伦比亚省。它包含根据开放政府许可证的信息 - 温哥华。
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