# Api for change survey waypoint generator

**URL:** <https://discuss.px4.io/t/api-for-change-survey-waypoint-generator/28503>\
**Category:** QGroundControl\
**Created:** [July 28, 2022, 2:28pm UTC](https://discuss.px4.io/t/api-for-change-survey-waypoint-generator/28503 "2022-07-28T14:28:10Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![xiewf2019](https://discuss.px4.io/user_avatar/discuss.px4.io/xiewf2019/32/11234_2.png) [@xiewf2019](https://discuss.px4.io/u/xiewf2019)\
**Post date:** [July 28, 2022, 2:28pm UTC](https://discuss.px4.io/t/api-for-change-survey-waypoint-generator/28503/1 "2022-07-28T14:28:10Z")

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Hi is there a an api to use my own algorithme to generate the waypoint of survey but with the gui of qgc?  
or i need change the party of code surveycomplexitem.cc?  
my algorithme allowed generate waypoint with input polygon