• mikeno

    You wrote * Another approach would be to have two views that are the same size, that both use draw() -- but only call set_needs_display on the view that needs update. *
    Could you please show an example?

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  • mikeno

    Hi, this is OK but the black circle is over the red one, how can we put the black circle behind as background?

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  • mikeno

    Hi everybody, thx for helping, I’ll buy Pyto and try.

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  • mikeno

    Thx for trying, I’ll wait!

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  • mikeno

    Thx, the question is now if Pyto can read the barometer sensor value, below a short code which runs fine under Pythonista:

    from objc_util import ObjCInstance, ObjCClass, ObjCBlock, c_void_p
    
    pressure = None
    
    def get_pressure():
      
      def handler(_cmd, _data, _error):
        global pressure
        pressure = ObjCInstance(_data).pressure()
    
      handler_block = ObjCBlock(handler, restype=None, argtypes=[c_void_p, c_void_p, c_void_p])
    
      CMAltimeter = ObjCClass('CMAltimeter')
      NSOperationQueue = ObjCClass('NSOperationQueue')
      if not CMAltimeter.isRelativeAltitudeAvailable():
        print('This device has no barometer.')
        return
      altimeter = CMAltimeter.new()
      main_q = NSOperationQueue.mainQueue()
      altimeter.startRelativeAltitudeUpdatesToQueue_withHandler_(main_q, handler_block)
      try:
        while pressure is None:
          pass
      finally:
        altimeter.stopRelativeAltitudeUpdates()
        #print('Updates stopped.')
        return pressure.floatValue()*10
    
    pressure = get_pressure()
    print(pressure)
    

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  • mikeno

    I just downloaded it but my trial period already expired because I probably already tried it some times ago and since I don’t know if it works, I don’t want to buy it. If you’ve it, could you try if it runs when iPad is asleep?

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  • mikeno

    I don’t know PyTo but I will try, thx in any case

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  • mikeno

    @cvp I’m not sure to understand what you mean, but calling a pythonista script from a shortcuts or an automation requires the iPad to be awake

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  • mikeno

    Yes, it works but only if the iPad is awake

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  • mikeno

    Yes but only everyday, I want to read the value of the barometer sensor every hour, I can get this value with Pythonista. I didn’t find a way to get this information in shortcuts nor in JS (scriptable).
    I found also a way to do some tasks every hour in shortcuts but I don’t find a way to get the barometer sensor value.

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  • mikeno

    Hi everybody, I could call a Pythonista script from shortcuts using url and safari but it works only if the iPad is awake, is there a way to let it work when the iPad is asleep?
    I also tried running a Pythonista script using scheduler but it works only if I stay in the Pythonista app.
    What I want to achieve is writing some info into a file every hour

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  • mikeno

    Super, thank you

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  • mikeno

    Thx cvp but I don’t know how to download a module into Pythonista

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  • mikeno

    Whao, I’m impressed, thank you!
    But I don’t understand why it doesn’t work in my last example

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  • mikeno

    My last issue is that the drawing doesn’t refresh even when I call explicitly drawTest() as you can see in the example below:

    
    import ui
    
    class my(ui.View):
        
        def __init__(self, *args, **kwargs):
            self.factor = .5
    
        def draw(self):
            print('draw()')
            self.drawTest()
    
        def drawTest(self):
            print('drawTest()')
            print('%.1f' % (self.factor))
            w,h = ui.get_screen_size()
            path1 = ui.Path()
            path1.line_width = 3
            ui.set_color('red')
            path1.move_to(100*self.factor,100*self.factor)
            path1.line_to(200*self.factor,100*self.factor)
            path1.line_to(100*self.factor,200*self.factor)
            path1.close()
            path1.fill()
            path2 = ui.Path()#.rect(0,0,w,h)
            path2.line_width = 3
            ui.set_color('blue')
            path2.move_to(300*self.factor,100*self.factor)
            path2.line_to(400*self.factor,100*self.factor)
            path2.line_to(300*self.factor,200*self.factor)
            path2.close()
            path2.fill()
            
        def touch_began(self, touch):
            print('touch_began()')
            self.factor += .5
            self.drawTest()
            
        def will_close(self):
            print('will_close()')
            
    v = my()
    v.present('fullscreen',hide_title_bar=True)
    
    

    It redraws only when I turn the iPad, could you please tell me how I can force the refresh with the right zoom factor?

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  • mikeno

    Thx to both of you, concerning the gestures, it seems to be a little bit complicated but I will try

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  • mikeno

    ... and then, I need to redraw in order to see the polygons in a different zoom factor. As I wrote, I already tried with ui but I stoped because I could not redraw, that’s why I tried with scene

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  • mikeno

    Yes thx it works but it doesn’t with several polygons

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  • mikeno

    I just want to draw a filled polygone following numerous coordinates, I already managed to do it with ui and canvas but only scene gives me the possibility to use full screen

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  • mikeno

    Hi Mikael, thx for replying but is there a way to avoid this?

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