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GeoAnimation.py
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GeoAnimation.py
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import os
import re
import wx
from html import escape
from math import radians, degrees, sin, cos, asin, sqrt, atan2, modf, pi, floor
import random
import bisect
import datetime
import socket
from Version import AppVerName
from Animation import GetLapRatio
import Utils
from Utils import fld
from Utils import floatFormatLocale as ff
import xml.etree.ElementTree
import xml.etree.cElementTree
import xml.dom
import xml.dom.minidom
import collections
from getuser import lookup_username
import zipfile
from GpxParse import GpxParse
def LineNormal( x1, y1, x2, y2, normLen ):
''' Returns the coords of a normal line passing through x1, y1 of length normLen. '''
dx, dy = x2 - x1, y2 - y1
scale = (normLen / 2.0) / sqrt( dx**2 + dy**2 )
dx *= scale
dy *= scale
return x1 + dy, y1 - dx, x1 - dy, y1 + dx
def GreatCircleDistance( lat1, lon1, lat2, lon2 ):
"""
Calculate the great circle distance between two points
on the earth (specified in decimal degrees) in meters.
"""
# convert decimal degrees to radians
lon1, lat1, lon2, lat2 = map(radians, (lon1, lat1, lon2, lat2))
# haversine formula
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat/2)**2 + cos(lat1) * cos(lat2) * sin(dlon/2)**2
c = 2.0 * asin(sqrt(max(a, 0.0)))
m = 6371000.0 * c
return m
def GreatCircleDistance3D( lat1, lon1, ele1, lat2, lon2, ele2 ):
d = GreatCircleDistance( lat1, lon1, lat2, lon2 )
return sqrt( d ** 2 + (ele2 - ele1) ** 2 )
grad_speed = (
2.217527336052238,
2.202853110275395,
2.188053909555161,
2.1731282463704,
2.158074603708304,
2.142891434526821,
2.1275771612501315,
2.1121301753048813,
2.096548836705969,
2.0808314737019544,
2.06497638249156,
2.0489818270244,
2.032846038900783,
2.016567217387692,
2.000143529570188,
1.9835731106603496,
1.966854064488727,
1.9499844642068176,
1.93296235323291,
1.915785746478052,
1.8984526318939003,
1.880960972389858,
1.8633087081732884,
1.8454937595738268,
1.8275140304210298,
1.8093674120537766,
1.7910517880503405,
1.772565039779714,
1.7539050528880413,
1.7350697248488745,
1.7160569737225158,
1.6968647482884063,
1.6774910397351455,
1.6579338951157376,
1.6381914328010398,
1.6182618601922334,
1.598143493983527,
1.5778347832992043,
1.5573343360641365,
1.5366409490040733,
1.5157536417102468,
1.4946716952416133,
1.4733946957759005,
1.4519225838553647,
1.430255709802776,
1.4083948959035018,
1.3863415059564836,
1.3640975227843928,
1.3416656342536257,
1.3190493282790055,
1.2962529971645702,
1.2732820514472172,
1.250143043148757,
1.2268437979867222,
1.2033935556271051,
1.179803116464806,
1.1560849926753485,
1.132253560384181,
1.1083252087489648,
1.0843184805615627,
1.0602541976891038,
1.036155563355384,
1.0120482320197688,
0.9879603365842997,
0.9639224620353721,
0.9399675546183934,
0.9161307564793237,
0.8924491575934091,
0.868961459883586,
0.8457075527404815,
0.8227280045610927,
0.8000634810946754,
0.7777541077897695,
0.755838799278375,
0.7343545838357127,
0.7133359533865637,
0.6928142698501474,
0.6728172560960906,
0.6533685946811283,
0.6344876503870627,
0.6161893242166845,
0.598484037903228,
0.581377840100501,
0.5648726190130284,
0.548966401780926,
0.5336537186160659,
0.518926009368216,
0.5047720515425184,
0.49117839133466934,
0.4781297625120825,
0.4656094815064962,
0.45359981054187487,
0.44208228375211506,
0.43103799389939434,
0.42044783942572794,
0.410292733162104,
0.400553775128795,
0.3912123925580405,
0.3822504506358954,
0.37365033757169774,
0.3653950275316242,
0.35746812477661477,
0.34985389207223583,
0.34253726612546037,
0.3355038624776109,
0.3287399719624444,
0.3222325505357491,
0.31596920400500406,
0.3099381689382677,
0.30412829081150256,
0.29852900026236706,
0.2931302881543721,
0.2879226800158578,
0.28289721030091614,
0.27804539682146806,
0.27335921561865145,
0.2688310764750952,
0.2644537992153579,
0.26022059089788563,
0.2561250239665933,
0.25216101540213737,
0.24832280689087236,
0.2446049460123153,
0.24100226843277156,
0.2375098810828684,
0.23412314628945793
)
def GradeAdjustedDistance( lat1, lon1, ele1, lat2, lon2, ele2 ):
# More realistic effect of grade on speed based on power formula.
# Approximately, 25% grade hill is about 0.25 speed, 25% grade descent is about 2.0 speed.
distance = GreatCircleDistance( lat1, lon1, lat2, lon2 )
if not distance:
return 0.0
gradient = (ele2 - ele1) / distance
i = int( ((gradient + 0.25) / 0.5) * len(grad_speed) )
return distance / grad_speed[max( 0, min(i, len(grad_speed)-1) )]
LatLonEle = collections.namedtuple('LatLonEle', ['lat','lon','ele', 't'] )
GpsPoint = collections.namedtuple('GpsPoint', ['lat','lon','ele','x','y','d','dCum'] )
def triangle( t, a ):
a = float(a)
return (2 / a) * (t - a * int(t / a + 0.5)) * (-1 ** int(t / a + 0.5))
def CompassBearing(lat1, lon1, lat2, lon2):
"""
Calculates the bearing between two points.
"""
lat1 = radians(lat1)
lat2 = radians(lat2)
diffLong = radians(lon2 - lon1)
x = sin(diffLong) * cos(lat2)
y = cos(lat1) * sin(lat2) - (sin(lat1) * cos(lat2) * cos(diffLong))
initial_bearing = atan2(x, y)
# Now we have the initial bearing but math.atan2 return values
# from -180 to + 180 which is not what we want for a compass bearing
# The solution is to normalize the initial bearing as shown below
initial_bearing = degrees(initial_bearing)
compass_bearing = (initial_bearing + 360) % 360
return compass_bearing
reGpxTime = re.compile( '[^0-9+]' )
def GpxHasTimes( fname ):
''' Check that the gpx file contains valid times. '''
points = GpxParse( fname )
tLast = None
for p in points:
try:
t = p['time']
except KeyError:
return False
if tLast is not None and tLast > t:
return False
tLast = t
return True
def LatLonElesToGpsPoints( latLonEles, useTimes = False, isPointToPoint = False ):
hasTimes = useTimes
latMin, lonMin = 1000.0, 1000.0
for latLonEle in latLonEles:
if latLonEle.t is None:
hasTimes = False
if latLonEle.lat < latMin:
latMin = latLonEle.lat
if latLonEle.lon < lonMin:
lonMin = latLonEle.lon
gpsPoints = []
dCum = 0.0
for i in range(len(latLonEles) - (1 if isPointToPoint else 0)):
p, pNext = latLonEles[i], latLonEles[(i+1) % len(latLonEles)]
if hasTimes:
if pNext.t > p.t:
gad = (pNext.t - p.t).total_seconds()
else:
# Estimate the last time difference based on the speed of the last segment.
pPrev = latLonEles[(i+len(latLonEles)-1)%len(latLonEles)]
d = GreatCircleDistance( pPrev.lat, pPrev.lon, p.lat, p.lon )
t = (p.t - pPrev.t).total_seconds()
if t > 0:
s = d / t
gad = GreatCircleDistance( p.lat, p.lon, pNext.lat, pNext.lon ) / s
else:
gad = 0.0
else:
gad = GradeAdjustedDistance( p.lat, p.lon, p.ele, pNext.lat, pNext.lon, pNext.ele )
x = GreatCircleDistance( latMin, lonMin, latMin, p.lon )
y = GreatCircleDistance( latMin, lonMin, p.lat, lonMin )
if gad > 0.0:
gpsPoints.append( GpsPoint(p.lat, p.lon, p.ele, x, y, gad, dCum) )
dCum += gad
return gpsPoints
def ParseGpxFile( fname, useTimes = False, isPointToPoint = False ):
points = GpxParse( fname )
latLonEles = []
for p in points:
lat, lon, ele, t = p['lat'], p['lon'], p.get('ele',0.0), p.get('time', None)
# Skip consecutive duplicate points.
try:
if latLonEles[-1].lat == lat and latLonEles[-1].lon == lon:
continue
except IndexError:
pass
latLonEles.append( LatLonEle(lat, lon, ele, t) )
return latLonEles
def createAppendChild( doc, parent, name, textAttr={} ):
child = doc.createElement( name )
parent.appendChild( child )
for k, v in textAttr.items():
attr = doc.createElement( k )
if isinstance(v, float) and modf(v)[0] == 0.0:
v = int(v)
attr.appendChild( doc.createTextNode( '{:.6f}'.format(v) if isinstance(v, float) else '{}'.format(v) ) )
child.appendChild( attr )
return child
def createAppendTextChild( doc, parent, text ):
child = doc.createTextNode( text )
parent.appendChild( child )
return child
def CreateGPX( courseName, gpsPoints ):
''' Create a GPX file from the gpsPoints list. '''
doc = xml.dom.minidom.Document()
gpx = createAppendChild( doc, doc, 'gpx' )
gpx.attributes['creator'] = AppVerName + ' http://sites.google.com/site/crossmgrsoftware/'
gpx.attributes['xmlns'] ="http://www.topografix.com/GPX/1/0"
gpx.attributes['xmlns:xsi'] = "http://www.w3.org/2001/XMLSchema-instance"
gpx.attributes['xsi:schemaLocation'] = "http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd"
gpx.appendChild( doc.createComment( '\n'.join( [
'',
'DO NOT EDIT!',
'',
'This file was created automatically by {}.'.format(AppVerName),
'',
'For more information, see http://sites.google.com/site/crossmgrsoftware',
'',
'Created: {}'.format(datetime.datetime.now().strftime( '%Y-%m-%d %H:%M:%S' )),
'User: {}'.format(escape(lookup_username())),
'Computer: {}'.format(escape(socket.gethostname())),
'', ] )
) )
trk = createAppendChild( doc, gpx, 'trk', {
'name': courseName,
} )
trkseg = createAppendChild( doc, trk, 'trkseg' )
def fmt( v ):
return '{:.7f}'.format(v).rstrip('0').rstrip('.')
for p in gpsPoints:
trkpt = createAppendChild( doc, trkseg, 'trkpt' )
trkpt.attributes['lat'] = fmt(p.lat)
trkpt.attributes['lon'] = fmt(p.lon)
if p.ele:
ele = createAppendChild( doc, trkpt, 'ele' )
createAppendTextChild( doc, ele, fmt(p.ele) )
return doc
class GeoTrack:
def __init__( self ):
self.gpsPoints = []
self.distanceTotal = 0.0
self.cumDistance = []
self.x = 0
self.xMax = self.yMax = 0.0
self.yBottom = 0
self.mult = 1.0
self.length = 0.0
self.totalElevationGain = 0.0
self.isPointToPoint = False
self.cache = {}
def computeSummary( self ):
lenGpsPoints = len(self.gpsPoints)
length = 0.0
totalElevationGain = 0.0
self.isPointToPoint = getattr( self, 'isPointToPoint', False )
for i in range(lenGpsPoints - (1 if self.isPointToPoint else 0)):
pCur, pNext = self.gpsPoints[i], self.gpsPoints[(i + 1) % lenGpsPoints]
length += GreatCircleDistance3D( pCur.lat, pCur.lon, pCur.ele, pNext.lat, pNext.lon, pNext.ele )
totalElevationGain += max(0.0, pNext.ele - pCur.ele)
self.length = length
self.totalElevationGain = totalElevationGain
def setPoints( self, gpsPoints, isPointToPoint = False ):
self.gpsPoints = gpsPoints
self.isPointToPoint = isPointToPoint
# Default max to 1 to avoid divisivion by zero errors.
self.xMax = max( (p.x for p in self.gpsPoints), default=1 )
self.yMax = max( (p.y for p in self.gpsPoints), default=1 )
dCum = 0.0
self.cumDistance = []
for p in self.gpsPoints:
self.cumDistance.append( dCum )
dCum += p.d
self.distanceTotal = dCum
self.computeSummary()
def read( self, fname, useTimes = False, isPointToPoint = False ):
self.isPointToPoint = isPointToPoint
latLonEles = ParseGpxFile( fname, useTimes=useTimes, isPointToPoint=isPointToPoint )
gpsPoints = LatLonElesToGpsPoints( latLonEles, useTimes=useTimes, isPointToPoint=isPointToPoint )
self.setPoints( gpsPoints, isPointToPoint=isPointToPoint )
def getGPX( self, courseName ):
return CreateGPX( courseName, self.gpsPoints )
def writeGPXFile( self, fname ):
with open( fname, 'w', encoding='utf8') as fp:
self.getGPX( os.path.splitext(os.path.basename(fname))[0] ).writexml(fp, indent="", addindent=" ", newl="\n", encoding='utf8')
def readElevation( self, fname ):
header = None
distance, elevation = [], []
iDistance, iElevation = None, None
with open(fname, 'r', encoding='utf8') as fp:
for line in fp:
fields = [f.strip() for f in line.split(',')]
if not header:
header = fields
for i, h in enumerate(header):
h = h.lower()
if h.startswith('distance'):
iDistance = i
elif h.startswith('elevation'):
iElevation = i
assert iDistance is not None and iElevation is not None, 'Invalid header in file.'
else:
distance.append( float(fields[iDistance]) )
elevation.append( float(fields[iElevation]) )
if len(elevation) < 2:
return
lenGpsPoints = len(self.gpsPoints)
length = 0.0
for i in range(lenGpsPoints-1):
pCur, pNext = self.gpsPoints[i], self.gpsPoints[(i + 1) % lenGpsPoints]
length += GreatCircleDistance( pCur.lat, pCur.lon, pNext.lat, pNext.lon )
distanceMult = distance[-1] / length
# Update the known GPS points with the proportional elevation.
length = 0.0
iSearch = 0
for i in range(lenGpsPoints):
pCur, pNext = self.gpsPoints[i], self.gpsPoints[(i + 1) % lenGpsPoints]
d = min( length * distanceMult, distance[-1] )
for iSearch in range(iSearch, len(elevation) - 2):
if distance[iSearch] <= d < distance[iSearch+1]:
break
deltaDistance = max( distance[iSearch+1] - distance[iSearch], 0.000001 )
ele = elevation[iSearch] + (elevation[iSearch+1] - elevation[iSearch]) * \
(d - distance[iSearch]) / deltaDistance
self.gpsPoints[i] = pCur._replace( ele = ele )
length += GreatCircleDistance( pCur.lat, pCur.lon, pNext.lat, pNext.lon )
self.computeSummary()
def getXYTrack( self ):
x, yBottom, mult = self.x, self.yBottom, self.mult
return [(p.x * mult + x, yBottom - p.y * mult) for p in self.gpsPoints]
def asExportJson( self ):
return [ [int(getattr(p, a)*10.0) for a in ('x', 'y', 'd')] for p in self.gpsPoints ]
def getAltigraph( self ):
if not self.gpsPoints or all( p.ele == 0.0 for p in self.gpsPoints ):
return []
altigraph = [(0.0, self.gpsPoints[0].ele)]
p = self.gpsPoints
for i in range(1, len(p)):
altigraph.append( (altigraph[-1][0] + GreatCircleDistance(p[i-1].lat, p[i-1].lon, p[i].lat, p[i].lon), p[i].ele) )
altigraph.append( (altigraph[-1][0] + GreatCircleDistance(p[-1].lat, p[-1].lon, p[0].lat, p[0].lon), p[0].ele) )
return altigraph
def isClockwise( self ):
if not self.gpsPoints:
return False
p = self.gpsPoints
return sum( (p[j].x - p[j-1].x) * (p[j].y + p[j-1].y) for j in range(len(self.gpsPoints)) ) > 0.0
def reverse( self ):
''' Reverse the points in the track. Make sure the distance to the next point and cumDistance is correct. '''
self.cumDistance = []
gpsPointsReversed = []
dCum = 0.0
for i in range(len(self.gpsPoints)-1, -1, -1):
p = self.gpsPoints[i]
pPrev = self.gpsPoints[i-1 if i > 0 else len(self.gpsPoints)-1]
gpsPointsReversed.append( GpsPoint(p.lat, p.lon, p.ele, p.x, p.y, pPrev.d, dCum) )
self.cumDistance.append( dCum )
dCum += pPrev.d
self.gpsPoints = gpsPointsReversed
def setClockwise( self, clockwise = True ):
if self.isClockwise() != clockwise:
self.reverse()
def asCoordinates( self ):
coordinates = []
for p in self.gpsPoints:
coordinates.append( p.lon )
coordinates.append( p.lat )
return coordinates
def asKmlTour( self, raceName=None, speedKMH=None ):
race = raceName or 'Race'
speed = (speedKMH or 35.0) * (1000.0 / (60.0*60.0))
doc = xml.dom.minidom.Document()
kml = createAppendChild( doc, doc, 'kml' )
kml.attributes['xmlns'] = "http://www.opengis.net/kml/2.2"
kml.attributes['xmlns:gx'] = "http://www.google.com/kml/ext/2.2"
kml.appendChild( doc.createComment( '\n'.join( [
'',
'DO NOT EDIT!',
'',
'This file was created automatically by CrossMgr.',
'',
'Is shows a fly-through of the actual bicycle race course.',
'For more information, see http://sites.google.com/site/crossmgrsoftware',
'',
'Created: {}'.format(datetime.datetime.now().strftime( '%Y/%m/%d %H:%M:%S' )),
'User: {}'.format(escape(lookup_username())),
'Computer: {}'.format(escape(socket.gethostname())),
'', ] )
) )
Document = createAppendChild( doc, kml, 'Document', {
'open': 1,
'name': raceName,
} )
# Define some styles.
Style = createAppendChild( doc, Document, 'Style' )
Style.attributes['id'] = 'thickBlueLine'
LineStyle = createAppendChild( doc, Style, 'LineStyle', {
'width': 5,
'color': '#7fff0000', # aabbggrr
} )
# Define an flying tour around the course.
Tour = createAppendChild( doc, Document, 'gx:Tour', {
'name': '{}: Tour'.format(race),
} )
Playlist = createAppendChild( doc, Tour, 'gx:Playlist' )
def fly( doc, PlayList, p, mode, duration, heading ):
FlyTo = createAppendChild( doc, Playlist, 'gx:FlyTo', {
'gx:duration': duration,
'gx:flyToMode': mode,
} )
Camera = createAppendChild( doc, FlyTo, 'Camera', {
'latitude': p.lat,
'longitude': p.lon,
'altitude': 2,
'altitudeMode': 'relativeToGround',
'heading': heading,
'tilt': 80,
} )
# Fly to the starting point.
p, pNext = self.gpsPoints[:2]
fly( doc, Playlist, p, 'bounce', 3, CompassBearing(p.lat, p.lon, pNext.lat, pNext.lon) )
# Follow the path through all the points.
lenGpsPoints = len(self.gpsPoints)
for i in range(1, lenGpsPoints + (0 if self.isPointToPoint else 1)):
pPrev, p = self.gpsPoints[i-1], self.gpsPoints[i%lenGpsPoints]
fly(doc, Playlist, p, 'smooth',
GreatCircleDistance(pPrev.lat, pPrev.lon, p.lat, p.lon) / speed,
CompassBearing(pPrev.lat, pPrev.lon, p.lat, p.lon)
)
if self.isPointToPoint:
# Marker for the start line.
Placemark = createAppendChild( doc, Document, 'Placemark', {'name': '{}: Start Line'.format(race)} )
createAppendChild( doc, Placemark, 'Point', {
'coordinates': '{},{}'.format(self.gpsPoints[0].lon, self.gpsPoints[0].lat)
} )
pFinish = self.gpsPoints[-1]
else:
pFinish = self.gpsPoints[0]
# Marker for the finish line.
Placemark = createAppendChild( doc, Document, 'Placemark', {'name': '{}: Finish Line'.format(race)} )
createAppendChild( doc, Placemark, 'Point', {'coordinates': '{},{}'.format(pFinish.lon, pFinish.lat)} )
# Path for the course.
Placemark = createAppendChild( doc, Document, 'Placemark', {
'name': '{}: Course'.format(race),
'styleUrl': '#thickBlueLine',
} )
coords = ['']
for i in range(lenGpsPoints + (0 if self.isPointToPoint else 1)):
p = self.gpsPoints[i % lenGpsPoints]
coords.append( '{},{}'.format(p.lon, p.lat) )
coords.append('')
LineString = createAppendChild( doc, Placemark, 'LineString', {
'tessellate': 1,
'altitudeMode': 'clampToGround',
'coordinates': '\n'.join(coords),
} )
ret = doc.toprettyxml( indent=' ' )
doc.unlink()
return ret
def getXY( self, lap, id = None ):
# Find the segment at this distance in the lap.
lap = modf(lap)[0] # Get fraction of lap.
lapDistance = lap * self.distanceTotal # Get distance traveled in the lap.
# Avoid the cost of the binary search by checking if the id request is still on the last segment.
lenGpsPoints = len(self.gpsPoints)
try:
i = self.cache[id]
pCur = self.gpsPoints[i]
if not (pCur.dCum <= lapDistance <= pCur.dCum + pCur.d):
i = (i + 1) % lenGpsPoints
pCur = self.gpsPoints[i]
if not (pCur.dCum <= lapDistance <= pCur.dCum + pCur.d):
i = None
except (IndexError, KeyError):
i = None
if i is None:
# Find the closest point LT the lap distance.
i = bisect.bisect_right( self.cumDistance, lapDistance )
i %= lenGpsPoints
if self.cumDistance[i] > lapDistance:
i -= 1
self.cache[id] = i
pCur, pNext = self.gpsPoints[i], self.gpsPoints[(i + 1) % lenGpsPoints]
segDistance = lapDistance - self.cumDistance[i]
segRatio = 0.0 if pCur.d <= 0.0 else segDistance / pCur.d
x, y = pCur.x + (pNext.x - pCur.x) * segRatio, pCur.y + (pNext.y - pCur.y) * segRatio
return x * self.mult + self.x, self.yBottom - y * self.mult
@property
def lengthKm( self ):
return self.length / 1000.0
@property
def lengthMiles( self ):
return self.length * 0.621371/1000.0
@property
def totalElevationGainM( self ):
try:
return self.totalElevationGain
except AttributeError:
self.totalElevationGain = sum( max(0.0, self.gpsPoints[i].ele - self.gpsPoints[i-1].ele) for i in range(len(self.gpsPoints)) )
return self.totalElevationGain
@property
def totalElevationGainFt( self ):
return self.totalElevationGainM * 3.28084
@property
def numPoints( self ):
return len(self.gpsPoints)
def setDisplayRect( self, x, y, width, height ):
if width <= 0 or height <= 0:
self.mult = 1.0
self.x = x
self.yBottom = y + height
return
mult = min( width / self.xMax, height / self.yMax )
w, h = self.xMax * mult, self.yMax * mult
xBorder = (width - w) / 2.0
#yBorder = (height - h) / 2.0
self.mult = mult
self.x = xBorder + x
self.yBottom = y + height
shapes = [ [(cos(a), -sin(a))
for a in (q*(2.0*pi/i)+pi/2.0+(2.0*pi/(i*2.0) if i % 2 == 0 else 0)
for q in range(i))] for i in range(3,9)]
def DrawShape( dc, num, x, y, radius ):
dc.DrawPolygon( [ wx.Point(int(p*radius+x), int(q*radius+y)) for p,q in shapes[num % len(shapes)] ] )
class GeoAnimation(wx.Control):
topFewCount = 5
infoLines = 1
def __init__(self, parent, id=wx.ID_ANY, pos=wx.DefaultPosition,
size=wx.DefaultSize, style=wx.NO_BORDER, validator=wx.DefaultValidator,
name="GeoAnimation"):
super().__init__(parent, id, pos, size, style, validator, name)
self.SetBackgroundColour('white')
self.data = {}
self.categoryDetails = {}
self.t = 0
self.tMax = None
self.tDelta = 1
self.r = 100 # Radius of the turns of the fictional track.
self.laneMax = 8
self.geoTrack = None
self.compassLocation = ''
self.widthLast = -1
self.heightLast = -1
self.xBanner = 300
self.tBannerLast = None
self.course = 'geo'
self.units = 'km'
self.framesPerSecond = 32
self.lapCur = 0
self.iLapDistance = 0
self.tLast = datetime.datetime.now()
self.speedup = 1.0
self.suspendGeoAnimation = False
self.numsToWatch = set()
self.checkeredFlag = wx.Bitmap(os.path.join(Utils.getImageFolder(), 'CheckeredFlag.png'), wx.BITMAP_TYPE_PNG)
trackRGB = [int('7FE57F'[i:i+2],16) for i in range(0, 6, 2)]
self.trackColour = wx.Colour( *trackRGB )
self.colours = []
k = [0,32,64,128,128+32,128+64,255]
for r in k:
for g in k:
for b in k:
if sum( abs(c - t) for c, t in zip([r,g,b],trackRGB) ) > 80 and \
sum( c for c in [r,g,b] ) > 64:
self.colours.append( wx.Colour(r, g, b) )
random.seed( 1234 )
random.shuffle( self.colours )
self.topFewColours = [
wx.Colour(255,215,0),
wx.Colour(230,230,230),
wx.Colour(205,133,63)
]
while len(self.topFewColours) < self.topFewCount:
self.topFewColours.append( wx.Colour(200,200,200) )
self.trackColour = wx.Colour( *[int('7FE57F'[i:i+2],16) for i in range(0, 6, 2)] )
# Cache the fonts if the size does not change.
self.numberFont = None
self.timeFont = None
self.highlightFont = None
self.rLast = -1
self.timer = wx.Timer( self, id=wx.ID_ANY )
self.Bind( wx.EVT_TIMER, self.NextFrame, self.timer )
# Bind the events related to our control: first of all, we use a
# combination of wx.BufferedPaintDC and an empty handler for
# wx.EVT_ERASE_BACKGROUND (see later) to reduce flicker
self.Bind(wx.EVT_PAINT, self.OnPaint)
self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
self.Bind(wx.EVT_SIZE, self.OnSize)
def SetGeoTrack( self, geoTrack ):
if self.geoTrack != geoTrack:
self.geoTrack = geoTrack
def SetOptions( self, *argc, **kwargs ):
pass
def DoGetBestSize(self):
return wx.Size(400, 200)
def _initGeoAnimation( self ):
self.tLast = datetime.datetime.now()
self.suspendGeoAnimation = False
def Animate( self, tRunning, tMax = None, tCur = 0.001 ):
self.StopAnimate()
self._initGeoAnimation()
self.t = tCur
if not self.data:
return
if tMax is None:
tMax = 0
for num, info in self.data.items():
try:
tMax = max(tMax, info['raceTimes'][-1])
except IndexError:
pass
self.speedup = float(tMax) / float(tRunning)
self.tMax = tMax
self.timer.Start( int(1000.0/self.framesPerSecond), False )
def StartAnimateRealtime( self ):
self.StopAnimate()
self._initGeoAnimation()
self.speedup = 1.0
self.tMax = 999999
self.timer.Start( int(1000.0/self.framesPerSecond), False )
def StopAnimate( self ):
if self.timer.IsRunning():
self.timer.Stop()
self.tBannerLast = None
def SetNumsToWatch( self, numsToWatch ):
self.numsToWatch = numsToWatch
self.Refresh()
def SuspendAnimate( self ):
self.suspendGeoAnimation = True
def IsAnimating( self ):
return not self.suspendGeoAnimation and self.timer.IsRunning()
def SetTime( self, t ):
self.t = t
self.Refresh()
def NextFrame( self, event ):
if event.GetId() == self.timer.GetId():
tNow = datetime.datetime.now()
tDelta = tNow - self.tLast
self.tLast = tNow
secsDelta = tDelta.seconds + tDelta.microseconds / 1000000.0
self.SetTime( self.t + secsDelta * self.speedup )
if self.suspendGeoAnimation or self.t >= self.tMax:
self.StopAnimate()
def SetForegroundColour(self, colour):
wx.Control.SetForegroundColour(self, colour)
self.Refresh()
def SetBackgroundColour(self, colour):
wx.Control.SetBackgroundColour(self, colour)
self.Refresh()
def GetDefaultAttributes(self):
"""
Overridden base class virtual. By default we should use
the same font/colour attributes as the native wx.StaticText.
"""
return wx.StaticText.GetClassDefaultAttributes()
def ShouldInheritColours(self):
"""
Overridden base class virtual. If the parent has non-default
colours then we want this control to inherit them.
"""
return True
def SetData( self, data, tCur = None, categoryDetails = None ):
"""
* data is a rider information indexed by number. Info includes lap times and lastTime times.
* lap times should include the start offset.
Example:
data = { 101: { raceTimes: [xx, yy, zz], lastTime: None }, 102 { raceTimes: [aa, bb], lastTime: cc} }
"""
self.data = data if data else {}
self.categoryDetails = categoryDetails if categoryDetails else {}
for num, info in self.data.items():
info['iLast'] = 1
if info['status'] == 'Finisher' and info['raceTimes']:
info['finishTime'] = info['raceTimes'][-1]
else:
info['finishTime'] = info['lastTime']
# Get the units.
for num, info in self.data.items():
if info['status'] == 'Finisher':
try:
self.units = 'miles' if 'mph' in info['speed'] else 'km'
except KeyError:
self.units = 'km'
break
if tCur is not None:
self.t = tCur
self.tBannerLast = None
self.Refresh()
def getShortName( self, num ):
try:
info = self.data[num]
except KeyError:
return ''
lastName = info.get('LastName','')
firstName = info.get('FirstName','')
if lastName:
if firstName:
return '%s, %s.' % (lastName, firstName[:1])
else:
return lastName
return firstName
def OnPaint(self, event):
dc = wx.BufferedPaintDC(self)
self.Draw(dc)
def OnSize(self, event):
self.Refresh()
event.Skip()
def getRiderPositionTime( self, num ):
""" Returns the fraction of the lap covered by the rider and the time. """
if num not in self.data:
return (None, None)
info = self.data[num]
raceTimes = info['raceTimes']
if not raceTimes or self.t < raceTimes[0] or len(raceTimes) < 2:
return (None, None)
tSearch = self.t
finishTime = info['finishTime']
if finishTime is not None and finishTime < self.t:
if finishTime == raceTimes[-1]:
return (len(raceTimes), finishTime)
tSearch = finishTime
if tSearch >= raceTimes[-1]:
p = len(raceTimes) + float(tSearch - raceTimes[-1]) / float(raceTimes[-1] - raceTimes[-2])
else:
i = info['iLast']
if not (raceTimes[i-1] < tSearch <= raceTimes[i]):
i += 1
if not (raceTimes[i-1] < tSearch <= raceTimes[i]):
i = bisect.bisect_left( raceTimes, tSearch )
info['iLast'] = i
if i == 1:
firstLapRatio = info['flr']
p = float(tSearch - raceTimes[i-1]) / float(raceTimes[i] - raceTimes[i-1])
p = 1.0 - firstLapRatio + p * firstLapRatio
p -= floor(p) - 1.0
else:
p = i + float(tSearch - raceTimes[i-1]) / float(raceTimes[i] - raceTimes[i-1])
return (p, tSearch)
def getRiderXYPT( self, num ):
positionTime = self.getRiderPositionTime( num )
if positionTime[0] is None:
return None, None, None, None
if self.data[num]['finishTime'] is not None and self.t >= self.data[num]['finishTime']:
self.lapCur = max(self.lapCur, len(self.data[num]['raceTimes']))
return (None, None, positionTime[0], positionTime[1])
self.lapCur = max(self.lapCur, int(positionTime[0]))
xy = self.geoTrack.getXY( positionTime[0], num )
return xy[0], xy[1], positionTime[0], positionTime[1]
def drawBanner( self, dc, width, height, tHeight, bannerItems ):
blue = wx.Colour(0, 0, 200)
dc.SetPen( wx.Pen(blue) )
dc.SetBrush( wx.Brush(blue, wx.SOLID) )
dc.DrawRectangle( 0, 0, int(width), int(tHeight*1.1) )
if not bannerItems:
return
y = tHeight * 0.1
tHeight *= 0.85
x = self.xBanner
while x < width:
for bi in bannerItems:
if x >= width:
break
position, num, name = '{}'.format(bi[1]), '{}'.format(bi[0]), self.getShortName(bi[0])
if position == '1':
x += tHeight / 2
tWidth = self.checkeredFlag.Width
if x + tWidth > 0 and x < width:
dc.DrawBitmap( self.checkeredFlag, int(x), int(y), False )
x += tWidth + tHeight / 2
dc.SetFont( self.positionFont )
tWidth = dc.GetTextExtent( position )[0]
if x + tWidth > 0 and x < width:
dc.SetTextForeground( wx.WHITE )
dc.DrawText( position, int(x), int(y) )
x += tWidth + tHeight / 4
dc.SetFont( self.bibFont )
tWidth = dc.GetTextExtent(num)[0]
if x + tWidth > 0 and x < width:
dc.SetTextForeground( 'YELLOW' )
dc.DrawText(num, int(x), int(y) )
x += tWidth + tHeight / 3
dc.SetFont( self.nameFont )
tWidth = dc.GetTextExtent(name)[0]
if x + tWidth > 0 and x < width:
dc.SetTextForeground( wx.WHITE )
dc.DrawText(name, int(x), int(y) )
x += tWidth + tHeight
if x < 0:
self.xBanner = x
tBanner = datetime.datetime.now()