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QGIS绘制演习区域示意图
2022-08-03 11:32:00 【走天涯徐小洋】
QGIS绘制一幅演习区域示意图
昨天晚上很多同学应该都看到了新华社发的公告,里面配了一张示意图,我们看一下如何使用QGIS绘制一张那样的范围示意图。
数据准备

根据截图里面的经纬度,复制到EXCEL中,存储为csv格式,编码UTF-8

QGIS加载数据
从QGIS菜单中,Layers-Add Layer-Add Delimited Text Layer,选取刚刚做好的csv文件导入进来,经纬度坐标DMS coordinates打上勾。

把数据导出存储为要素,存成gpkg格式。

绘制演习范围
在刚刚创建的gpkg数据库中创建一个新表,演习范围,面矢量。


加载刚刚创建的面矢量,开始编辑Toggle Editing,添加面要素Add Polygon Feature,打开捕捉,开启点捕捉,绘制演习范围面。

修改一下符号化效果

加载一下在线底图,就可以看到演习范围具体情况了,在这我加载的是智图在线地图服务,服务网址在下面,加载方法看视频号。
智图服务 http://map.geoq.cn/arcgis/rest/services

更多相关内容可以阅读QGIS专题
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