为开发人员准备的文档,涵盖QGIS的多种功能实现和代码。

onWindows:setPATH=C:\qgispath;%PATH%

Thesecommandscanbeputintoabootstrapscriptthatwilltakecareofthestartup.Whendeployingcustom

applicationsusingPyQGIS,thereareusuallytwopossibilities:

requireusertoinstallQGISonhisplatformpriortoinstallingyourapplication.Theapplicationinstaller

shouldlookfordefaultlocationsofQGISlibrariesandallowusertosetthepathifnotfound.Thisapproach

hastheadvantageofbeingsimpler,howeveritrequiresusertodomoresteps.

packageQGIStogetherwithyourapplication.Releasingtheapplicationmaybemorechallengingandthe

packagewillbelarger,buttheuserwillbesavedfromtheburdenofdownloadingandinstallingadditional

piecesofsoftware.

Thetwodeploymentmodelscanbemixed-deploystandaloneapplicationonWindowsandMacOSX,forLinux

leavetheinstallationofQGISuptouserandhispackagemanager.