Attachment 161754 Details for Bug 253264 – test.py script to do a simple query against the cam

test.py script to do a simple query against the cam

test.py (text/x-python), 2.07 KB, created by daryl herzmann on 2007-08-17 16:47:06 UTC

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Creator: daryl herzmann

Created: 2007-08-17 16:47:06 UTC

Size: 2.07 KB

patch

obsolete

>#!/usr/bin/env python
>
>from vbcam import vbcam, lapse
>from pyIEM import cameras, utils, mesonet
>from twisted.internet import reactor
>import mx.DateTime
>import math
>import time
>import sys
>
>id = sys.argv[1]
>
>class myLapse(lapse.lapse):
>    def run(self):
>        print "Calling Step()"
>        self.step()
>        reactor.callLater(self.delay, self.run)     
>
>cam = vbcam.vbcam( id, cameras.cams[id])
>
>lap = myLapse(cam, delay=5)
>lap.addDraw( lap.drawStamp )
>lap.addDraw( lap.drawTarget )
>lap.addControl( lap.trackTarget )
>now = mx.DateTime.now()
>cam.zoom(43.04)
>#lap.setTarget( 270, now + mx.DateTime.RelativeDateTime(minutes=5) )
>reactor.callLater(0, lap.run )
>
>camLat = cameras.cams[id]['lat']
>camLon = cameras.cams[id]['lon']
>
>def adjustTarget(sid, minutes =5):
>    print "Calling adjustTarget"
>    import pg
>    print "QUERY!"
>    mydb = pg.connect(host='mesonet-db1.agron.iastate.edu', dbname='postgis',user='nobody')
>    sql = "SELECT x(geom) as lon, y(geom) as lat, drct, sknt\
>     from nexrad_attributes WHERE nexrad = 'DMX' and storm_id = '%s'" % (sid,)
>    print sql
>    rs = mydb.query(sql).dictresult()
>    if (len(rs) == 0):
>        reactor.stop()
>        sys.exit()
>
>    lon0 = float(rs[0]['lon'])
>    lat0 = float(rs[0]['lat'])
>    drct = mesonet.drct2dirTxt(float(rs[0]['drct']))
>    sknt = float(rs[0]['sknt'])
>   
>    displacement = sknt * (minutes/60.0)
>    targetLon, targetLat = utils.go2lonlat(lon0,lat0,drct,displacement)
>    print "targetLon %s targetLat %s" % (targetLon, targetLat)
>    print "camLon %s camLat %s" % (camLon, camLat)
>    angle = utils.drct2point(camLon, camLat, targetLon, targetLat)
>    now = mx.DateTime.now()
>    lap.setTarget( angle, now + mx.DateTime.RelativeDateTime(minutes=minutes) )
>    print "Angle to target: %s" % (angle,)
>    reactor.callLater(minutes * 60, adjustTarget, sid, 5)
>
>n = 90
>def tester():
>    global n
>    n += 45
>    now = mx.DateTime.now()
>    lap.setTarget(n, now + mx.DateTime.RelativeDateTime(minutes=15) )
>    reactor.callLater(15 * 60, tester )
>
>reactor.callLater(0, adjustTarget, sys.argv[2], 1 )
>#reactor.callLater(30, tester )
>reactor.run()

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Attachments on bug 253264: 161754 | 161755 | 161756 | 161764 | 161769