# qgis_py_api_apps **Repository Path**: richie12/qgis_py_api_apps ## Basic Information - **Project Name**: qgis_py_api_apps - **Description**: QGis PyQGis二次开发示例大全 - **Primary Language**: Python - **License**: Apache-2.0 - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 9 - **Forks**: 6 - **Created**: 2024-03-06 - **Last Updated**: 2025-04-21 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README # PyQGIS二次开发示例大全 | 名称 | 描述 | |--|--| | sample_qgs_vector_raster | qgs、矢量图层、栅格图层的加载示例 | | sample_mapcanvas_maptool_layertree | mapcanvas、maptools、layertree、右键菜单等示例 | | using_raster_layers | 栅格图层的使用示例 | | using_vector_layers | 矢量图层的使用示例 | | sample_diagrams | 地图图表示例 | | sample_processing | native,qgis,gdal算法使用示例 | | hellopyqgis | 基于pyqt5Widget调用QGis库，获取QGis的发行名称示例 | | basepyqgis | 基础程序，以上示例程序都基于此程序修改 | # 项目特性 - 基于QGis3.28 - Apache 协议开源 - [QGIS Python API documentation](https://qgis.org/pyqgis/master/index.html) - [pyqgis_developer_cookbook](https://docs.qgis.org/3.28/en/docs/pyqgis_developer_cookbook/index.html) # 社群 ## 公众号 ![输入图片说明](https://foruda.gitee.com/images/1697077286578350399/c111e1c7_1547275.jpeg "qrcode_for_gh_5fe62453ec05_258.jpg") - 请关注微信公众号获取最新消息推送 ## QQ群 ![输入图片说明](https://foruda.gitee.com/images/1699751451905542002/42412fe3_1547275.png "屏幕截图") - 加入qq群 ## 知识星球 ![输入图片说明](https://foruda.gitee.com/images/1697160230025579811/496ec4a9_1547275.png "屏幕截图") - 加入知识星球有偿咨询 - 知识星球文章列表 - QGis二次开发项目一 1. QGis二次开发项目实践一之功能介绍 2. QGis二次开发项目实践一之技术实现 3. QGis二次开发项目实践一之解决“无法定位程序输入点“ # 源码说明 ## sample_qgs_vector_raster ### 功能截图 - [x] 加载各种格式数据 - [x] qgis项目文件 - [x] shapefile - [x] gpx - [x] gpkg - [x] geojson - [x] gml - [x] kml - [x] dxf - [x] coverage目录 - [x] csv - [x] spalialite数据库 - [x] memory - [x] wfs - [x] raster栅格 - [x] wms - 加载qgs(qgis项目文件) ![输入图片说明](https://foruda.gitee.com/images/1716798528404642956/1b8d887e_1547275.png "屏幕截图") - 加载矢量图层(按照Data Provider分类：Ogr,Gpx,Delimitedtext,Spatialite,Memory) ![输入图片说明](https://foruda.gitee.com/images/1716799103538354990/ebd0554b_1547275.png "屏幕截图") - shapefile ![输入图片说明](https://foruda.gitee.com/images/1716799139522917348/21388b75_1547275.png "屏幕截图") - gpx ![输入图片说明](https://foruda.gitee.com/images/1716799187481445852/d36af863_1547275.png "屏幕截图") - csv ![输入图片说明](https://foruda.gitee.com/images/1716859294147911386/fbfac846_1547275.png "屏幕截图") - Spatialite ![输入图片说明](https://foruda.gitee.com/images/1716859412080284053/e0b28343_1547275.png "屏幕截图") - Memory ![输入图片说明](https://foruda.gitee.com/images/1716859473405484194/85c031fe_1547275.png "屏幕截图") - Wfs ![输入图片说明](https://foruda.gitee.com/images/1716859542571317785/6ad7ea6c_1547275.png "屏幕截图") - 加载栅格图层(按照Data Provider分类：Gdal,Wms) ![输入图片说明](https://foruda.gitee.com/images/1716859648562875414/03701d25_1547275.png "屏幕截图") - Gdal ![输入图片说明](https://foruda.gitee.com/images/1716859701161849546/e9b8aad7_1547275.png "屏幕截图") - Wms ![输入图片说明](https://foruda.gitee.com/images/1716859757502377427/85d4d902_1547275.png "屏幕截图") ## sample_mapcanvas_maptool_layertree ### 功能截图 - [x] mapcanvas - [x] maptool - [x] layertree - [x] layertree右键菜单 - [x] mapcanvas右键菜单 ![输入图片说明](https://foruda.gitee.com/images/1716860053922322717/47e9a9fc_1547275.png "屏幕截图") ![输入图片说明](https://foruda.gitee.com/images/1716944627713788445/da543c99_1547275.gif "maptool.gif") ## using_raster_layers ### 功能截图 - [x] 栅格图层属性显示 - [x] 栅格图层属性自定义显示 - [x] 栅格图层符号系统 ![输入图片说明](https://foruda.gitee.com/images/1716862894695413383/d1bbb9e5_1547275.png "屏幕截图") - QGis栅格图层属性框 ![输入图片说明](https://foruda.gitee.com/images/1716944864077672171/32b6784a_1547275.gif "rasterqgisproperty.gif") - 栅格图层自定义属性框 ![输入图片说明](https://foruda.gitee.com/images/1716944904009711546/45855420_1547275.gif "rastercustomproperty.gif") - 代码设置符号系统 ![输入图片说明](https://foruda.gitee.com/images/1716944944631402762/099a14a7_1547275.gif "rastersinglegray.gif") ![输入图片说明](https://foruda.gitee.com/images/1716946233834224530/da03512b_1547275.gif "rastersinglePseudo.gif") ![输入图片说明](https://foruda.gitee.com/images/1716945079913198979/ca62255b_1547275.gif "rastersinglemulti.gif") ![输入图片说明](https://foruda.gitee.com/images/1716945032755943982/de9e68b7_1547275.gif "hillshade.gif") ![输入图片说明](https://foruda.gitee.com/images/1716945057021565954/cdb7c8bf_1547275.gif "courd.gif") - gui设置符号系统 ![输入图片说明](https://foruda.gitee.com/images/1716863698103137896/1be44c6f_1547275.png "屏幕截图") ## using_vector_layers ### 功能截图 - [x] 显示图层所有字段 - [x] 显示图层属性表 - [x] 选择feature - [x] 图层属性、设置符号系统等 - [x] 代码设置图层符号：点符号、线符号和面符号 - `QgsFieldComboBox`显示图层字段Fields ![输入图片说明](https://foruda.gitee.com/images/1716945893836059738/3f639010_1547275.gif "vectorshowfields.gif") - 使用`QgsAttributeTableModel,QgsAttributeTableView`显示属性表 ![输入图片说明](https://foruda.gitee.com/images/1716945911471790958/487a6353_1547275.gif "vectorshowattribute.gif") - 图层属性 ![输入图片说明](https://foruda.gitee.com/images/1716892465795361062/1cc2705f_1547275.png "屏幕截图") - 单一符号-简单点符号 ![输入图片说明](https://foruda.gitee.com/images/1716945979515771384/2b65cfaa_1547275.gif "vectorsymbolsimplemarker.gif") - 单一符号-svg点符号 ![输入图片说明](https://foruda.gitee.com/images/1716945993774522985/997f2f62_1547275.gif "vectorsymbolsvgmarker.gif") - 分类符号 ![输入图片说明](https://foruda.gitee.com/images/1716946010850094180/98fd8952_1547275.gif "vectorsymbolcatotry.gif") - 分级符号 ![输入图片说明](https://foruda.gitee.com/images/1716946023336028520/01bf40fc_1547275.gif "vectorsymbolgradute.gif") - 单一符号-插值线符号 ![输入图片说明](https://foruda.gitee.com/images/1716946039141671027/88d1a91a_1547275.gif "vectorsymbolline.gif") - 单一符号-svg面填充符号 ![输入图片说明](https://foruda.gitee.com/images/1716946050959929571/9f280ff8_1547275.gif "vectorsymbolpolygon.gif") - feature全选取消 ![输入图片说明](https://foruda.gitee.com/images/1716946172217442153/ca8939ed_1547275.gif "vectorselectall.gif") - select by value ![输入图片说明](https://foruda.gitee.com/images/1716946189954097816/759a53e2_1547275.gif "vectorselectbyvalue.gif") - select by expression ![输入图片说明](https://foruda.gitee.com/images/1716946215307849464/9fba1b58_1547275.gif "vectorselectbyexpression.gif") ## sample_diagrams ### 功能截图 - [x] 饼图(Pie Diagram) - [x] 文本图(Text Diagram) - [x] 直方图(Histogram) - [x] 分段条形图(StackedBar Diagram) ![输入图片说明](https://foruda.gitee.com/images/1716892945098854624/03025491_1547275.png "屏幕截图") ![输入图片说明](https://foruda.gitee.com/images/1716892879909004470/62ba8b6b_1547275.png "屏幕截图") ![输入图片说明](https://foruda.gitee.com/images/1716892892247028335/01ba89c4_1547275.png "屏幕截图") ![输入图片说明](https://foruda.gitee.com/images/1716892904158196463/87fa500e_1547275.png "屏幕截图") ![输入图片说明](https://foruda.gitee.com/images/1716892914758183357/3c5203e8_1547275.png "屏幕截图") ## sample_processing ### 功能截图 - [x] native:randompointsinextents算法使用示例 - [x] qgis:randompointsinsidepolygons算法使用示例 - [x] gdal:cliprasterbyextent算法使用示例 - 在extent中生成随机点 ![输入图片说明](https://foruda.gitee.com/images/1716893153774439791/3565daa1_1547275.png "屏幕截图") - 在polygons生成随机点 ![输入图片说明](https://foruda.gitee.com/images/1716893247555728292/ab9bca60_1547275.png "屏幕截图") - 栅格图层裁剪 ![输入图片说明](https://foruda.gitee.com/images/1716893378757029904/85bd12a5_1547275.png "屏幕截图") ## hellopyqgis ### 功能截图 - [x] hello pyqgis ![输入图片说明](https://foruda.gitee.com/images/1716893457142151737/8a7e4934_1547275.png "屏幕截图") # 参考资料 - [pyqgis_developer_cookbook](https://docs.qgis.org/3.28/en/docs/pyqgis_developer_cookbook) - [QGIS Python API](https://qgis.org/pyqgis/master/index.html) - [pyqgis-samples](https://github.com/webgeodatavore/pyqgis-samples/) - [pyqgis二次开发专栏](https://www.zhihu.com/column/c_1641448508350812161)