56 lines
2 KiB
Python
56 lines
2 KiB
Python
from kivy.app import App
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from kivy.clock import Clock
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from kivy_garden.mapview import MapView, MapSource
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from treemarker import TreeMarker
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class ForestMapView(MapView):
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get_trees_timer = None
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tree_names = []
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map_source = MapSource(url="http://forest.deflax.net/tile/{z}/{x}/{y}.png",
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cache_key="forest-map", tile_size=256,
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image_ext="png", attribution="@ afx")
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def print_current_zoom(self, *args):
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print("] Zoom level: " + str(self.zoom))
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#pqueue.put("] Zoom level: " + str(self.zoom))
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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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# Gebug gps position
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print("] Current map position lat: {} lon: {} ".format(self.lat, self.lon))
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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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for tree in trees:
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name = tree[0]
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#print("] Tree detected: " + str(tree))
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if name in self.tree_names:
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continue
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else:
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self.add_tree(tree)
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def add_tree(self, tree):
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# Create TreeMarker
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lat, lon = tree[20], tree[21]
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treemarker = TreeMarker(lat=lat, lon=lon)
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treemarker.tree_data = tree
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# Add TreeMarker to the map
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self.add_widget(treemarker)
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# Keep track of the TreeMarker's name
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name = tree[1]
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self.tree_names.append(name)
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