PWA stands for Provincial Waterworks Authority in Thailand, it has a national coverage area by function. Based on its mission, PWA has to provide clean water for domestic use in the area beyond BMA and vicinity. Of course, mapping technologies have been operating over 20 years in GIS department.
Development can be shown in 2 generations.
1st Generation, PWA was adopted commercial software names Mapinfo Professional as mapping tools with additional programming language names Mapbasic to special purposes following PWA mapping functions.
2nd Generation, start on 2024. PWA has decided to shift from commercial software to pure open source software due to struggling with cost of licensing and maintenance (est. over 10million thb/year). This generation has QGIS Plugins for data editing that need high precision and accuracy while Web Application for data visualization and more compromise data creation module.
This talk will navigate you to evolution from 20 years to today.