You may create thermalling points from any igc flight log with this app.Its so simple to use. You will load igc file and set thermal factor.It will cretae gpx standart waypoint file in to waypoints folder in phone sdcard.You may use this file with garmin or flymaster etc.Because its a standart gpx wp file.Default thermal factor is 30. This means, sw will detect thermal if still rising after 30 gps points.you may increase or decrease this value.Higher factor value will give you less thermal point but strong thermal.