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ScreenERWS.py
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from FileActions import *
from TimeHelper import *
from helperTwistedTcp import *
import sys,os,platform
from kivy.core.image import Image
from MyCalculate import MyCalculate, SPoint
from pygeodesy.sphericalTrigonometry import LatLon
from kivymd.app import MDApp
from kivymd.uix.boxlayout import MDBoxLayout
from kivy.uix.widget import Widget
from kivy.graphics import Color, Rectangle
from _functools import partial
from kivy.clock import Clock
from shapely.geometry.multipolygon import MultiPolygon
from shapely.geometry.point import Point
import numpy as np
from shapely.geometry.multipoint import MultiPoint
from DataSaveRestore import DataSR_save, DataSR_restore
from shapely.geometry import polygon
from shapely.geometry.polygon import Polygon
import _thread
class WeatherHelpers:
def __init__(self,
weatherIterEveryMin,
weatherFullPath,
weatherAdress
):
self.th = TimeHelper()
self.fa = FileActions()
self.weatherIterEveryMin = weatherIterEveryMin
self.weatherFullPath = weatherFullPath
self.weatherAdress = weatherAdress
self.eMin = []
for m in range (0,60*61, weatherIterEveryMin*60):
self.eMin.append(m)
print("every:",self.eMin)
self.iterClock = None
def getSleepTimeToNext(self):
tNow = self.th.getDate(resAsDic=True)
sNow = (tNow['M']*60)+(tNow['S'])
nextIn = -1
for m in self.eMin:
if sNow < m:
nextIn = m - sNow
break
if nextIn == -1:
nextIn = 0
print("next is in: [",nextIn,"] sec. in:",self.th.getNiceHowMuchTimeItsTaking(nextIn))
print(" it will be at:",self.th.getNiceDateFromTimestamp(self.th.getTimestamp()+nextIn))
return nextIn
def getFilesInWorkDir(self):
f = {}
for file in self.fa.getFileList(self.weatherFullPath):
#print("file",file)
if file[-4:] == '.gif':
tmp = file.split('_')
dateStr = '{}/{}/{} {}{}{}'.format(
tmp[1],tmp[2],tmp[3],
tmp[4],tmp[5],tmp[6][0:-4]
)
ts = self.th.getTimestampFromStr(dateStr)
f[ts] = {
'file': file
}
pathCasch = self.fa.join(
self.weatherFullPath,
("%s_casch__meshs"%file)
)
if self.fa.isFile(pathCasch):
f[ts]['cascheFile'] = pathCasch
f[ts]['casche'] = 1
else:
f[ts]['casche'] = 0
#print("------------------")
#print(f)
return f
def runDownloadThread(self, callbackOnDownloadDone = None):
print("runDownloadThread")
self.callbackOnDownloadDone = callbackOnDownloadDone
_thread.start_new(self.downloadIter, ())
def downloadIter(self,a=0,b=0,c=0):
while True:
fileName = "%s/wRadar_%s.gif" % (
self.weatherFullPath,
self.th.getNiceFileNameFromTimestamp()
)
DownloadFile( self.weatherAdress, fileName )
fSize = self.fa.getSizeNice( fileName )
print("service Download done !")
print("service file [",fileName,"]")
print("service file size is:",fSize)
print("service is done going to sleep")
if self.callbackOnDownloadDone:
self.callbackOnDownloadDone(fileName)
sleep = self.getSleepTimeToNext()
time.sleep(sleep)
class ScreenERWS:
wImgUrl = 'http://www.pancanal.com/eng/eie/radar/current_image.gif'
wDirName = 'ykWeather'
wIter = 5 # min
wLegend = [
[40,460], #min
[40,6], #max
]
wScale = {
'xy0': [209,168],
'll0': ["09° 21.5461' N", "079° 53.3004' W"],
'xy1': [408,228],
'll1': ["09° 33.3800' N", "078° 56.8303' W"],
}
wMy = ["09° 36.7351' N", "079° 35.1304' W"]
wFrame = [ 48,1, #top left
509,496 #bottom right
]
def __init__(self,gui):
self.gui = gui
self.th = TimeHelper()
self.fa = FileActions()
self.mc = MyCalculate()
if platform.release() == "4.15.0-126-generic":
print("platform my laptop?")
self.wPath = "/home/yoyo"
else:
self.wPath = "/storage/emulated/0"
self.wPath = self.fa.join(self.wPath, self.wDirName)
self.recomputeScaleInfo()
def recomputeScaleInfo(self):
print("recomputeScaleInfo")
pixDist = self.mc.distance(
SPoint( self.wScale['xy0'][0],self.wScale['xy0'][1] ),
SPoint( self.wScale['xy1'][0],self.wScale['xy1'][1] )
)
self.wScale['xyDist'] = pixDist
print("xyDist:",pixDist,'[pixels]')
LL0 = LatLon( self.wScale['ll0'][0], self.wScale['ll0'][1] )
LL1 = LatLon( self.wScale['ll1'][0], self.wScale['ll1'][1] )
llDist = LL0.distanceTo(LL1)
self.wScale['llDist'] = llDist
print("llDist:",llDist,'[meters]')
LLMy = LatLon( self.wMy[0], self.wMy[1] )
self.xyMy = [
self.mc.remap( self.wScale['xy0'][0], self.wScale['xy1'][0], LL0.lon, LL1.lon, LLMy.lon ),
self.mc.remap( self.wScale['xy0'][1], self.wScale['xy1'][1], LL0.lat, LL1.lat, LLMy.lat )
]
print("xyMy",self.xyMy)
def analiseImg(self, imgPath):
print("analiseImg [%s]"%imgPath)
img = Image.load(imgPath,keep_data=True)
size = img.size
self.wSize = size
print("image size:",size)
self.steps = self.analiseSteps(img)
print("found legend steps",len(self.steps))
cPath = "%s_casch_"%imgPath
cCover = "%s_cover"%cPath
cPolis = "%s_polis"%cPath
cMeshs = "%s_meshs"%cPath
if self.fa.isFile(cMeshs):
print("pickle meshs :) ?")
m = DataSR_restore(cMeshs)
self.polis = {}
print("got from cashe file steps",len(m))
for si,k in enumerate(m.keys()):
print("restoring step",k)
print("meshes",len(m[k]))
m0 = Polygon()
meshs = m[k]
for me in meshs:
print("points:",len(me))
#print("->",me)
m1 = Polygon(me).simplify(0.1,preserve_topology=True)
m0 = m0.union( m1 ).simplify(0.1,preserve_topology=True)
self.polis[int(k)] = m0
print("poli DONE area",self.polis[int(k)].area)
else:
self.cover,self.polis,self.meshs = self.analiseCover(img)
DataSR_save(self.meshs, cMeshs)
def analiseCover(self, img):
cover = {}
polis = {}
meshs = {}
for r in range(len(self.steps)):
cover[ r ] = []
polis[ r ] = None
meshs[ str(r) ] = []
for x in range(self.wFrame[0], self.wFrame[2],1):
for y in range(self.wFrame[1], self.wFrame[3],1):
c = img.read_pixel(x,y)
try:
ci = self.steps.index(c)
except:
ci = -1
if ci >= 0:
#print("c",c,' ci',ci)
p = (x,y)
for cc in range(0,ci+1, 1):
cover[cc].append(p)
for r in range(len(self.steps)):
if r >= 0:
print("cover at ",r,' pixels',len(cover[r]))
polis[r] = MultiPoint(cover[r])
polis[r] = polis[r].buffer(1.0).buffer(-3.0).buffer(2.0)
polis[r] = polis[r].simplify(0.75,preserve_topology=True)
print("is valid multipoly",polis[r].is_valid)
print("area",polis[r].area)
try:
print("geoms",len(polis[r].geoms))
haveGeoms = True
except:
haveGeoms = False
print("no geoms but have exterior?")
print(len(polis[r].exterior.coords))
if len(polis[r].exterior.coords):
ta = []
for mp in list(polis[r].exterior.coords[:]):
ta.append( [int(mp[0]), int(mp[1])] )
meshs[str(r)].append( ta )
if haveGeoms:
for g in polis[r].geoms:
ta = []
for mp in list(g.exterior.coords[:]):
ta.append( [int(mp[0]), int(mp[1])] )
meshs[str(r)].append( ta )
#except:
# print("no geoms so one poly ?")
return cover,polis,meshs
def analiseSteps(self, img):
#return legend from max rain to min colors
s = []
x = self.wLegend[0][0]
cLast = None
for y in range(self.wLegend[1][1],self.wLegend[0][1],1):
c = img.read_pixel(x,y)
#print("y:",y," - color",c)
if cLast == None or cLast != c:
cLast = c
s.append(c)
s.reverse()
return s
class ScreenERWSWid(Widget):
pass
class ScreenERWSWidget:
def build(self):
bl = MDBoxLayout(orientation="vertical")
i = ScreenERWSWid(
size_hint = [None,None],
size = [512,512]
)
self.can = i.canvas
bl.add_widget(i)
return bl
def drawSomeStuff(self, ana,a=0,b=0):
self.ana = ana
a = self.ana
with self.can:
Color(0,0,0)
Rectangle(
size=[512,512],
pos=[0,0]
)
#legend
y = 0
for l in a.steps:
Color(l[0],l[1],l[2])
Rectangle(
size=[10,10],
pos=[0,y]
)
y+=10
#cloudCover
for li, l in enumerate(a.steps):
if li in [3,4,7,8]:
Color(l[0],l[1],l[2])
poli = a.polis[li]
for x in range(a.wFrame[0], a.wFrame[2],1):
for y in range(a.wFrame[1], a.wFrame[3],1):
if poli.contains(Point(x,y)):
Rectangle(
size=[1,1],
pos=[x,a.wSize[1]-y]
)
class ScreenERWSAlone(ScreenERWSWidget,MDApp):
pass
if __name__ == "__main__":
print("stand alone")
print("Early Rain Warning System")
args = sys.argv[1:]
argsCount = len( args )
print("args: {0}".format(args))
if len(args) == 1:
file = args[0]
doGui = False
else:
file = '/home/yoyo/ykWeather/wRadar_2020_08_16_08_59_44.gif'
doGui = True
print("file ",file)
#sys.exit(9)
if doGui:
sa = ScreenERWSAlone()
else:
sa = 0
s = ScreenERWS(sa)
s.analiseImg(file)
if doGui:
Clock.schedule_once( partial(sa.drawSomeStuff,(s)), 1 )
sa.run()