31 lines
1 KiB
Python
31 lines
1 KiB
Python
from kivy_garden.mapview import MapView
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from kivy.clock import Clock
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from kivy.app import App
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class ForestMapView(MapView):
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get_trees_timer = None
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def start_get_fov_trees(self):
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# After one second get the trees in field of view
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try:
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self.get_trees_timer.cancel()
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except:
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pass
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self.get_trees_timer = Clock.schedule_once(self.get_fov_trees, 1)
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def get_fov_trees(self, *args):
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# Get reference to main app and the db cursor
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app = App.get_running_app()
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print(self.get_bbox()) # debug gps position
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min_lat, min_lon, max_lat, max_lon = self.get_bbox()
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sql_statement = "SELECT * FROM locations WHERE x > %s AND x < %s AND y > %s AND y < %s" % (min_lat, max_lat, min_lon, max_lon) #sql_statement = "SELECT * FROM locations"
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app.cursor.execute(sql_statement)
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trees = app.cursor.fetchall()
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print(trees)
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for tree in trees:
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self.add_tree(tree)
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def add_tree(self, tree):
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pass
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