def drawNodeList(self, nodes, colour):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for n in nodes:
pointX = (n.longitude - self.minlon) * self.imgScaling
pointY = y - (coordinate.lat2y(n.latitude) - y1) * self.imgScaling
self.draw.point((pointX, pointY), colour)
def drawNodeList(self, nodes, colour):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for n in nodes:
pointX = (n.longitude - self.minlon) * self.imgScaling
pointY = y - (coordinate.lat2y(n.latitude) - y1) * self.imgScaling
self.draw.point((pointX, pointY), colour)
def drawNodes(self, nodes, colour):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for id, n in nodes.items():
pointX = (n.longitude - self.minlon) * self.imgScaling
pointY = y - (coordinate.lat2y(n.latitude) - y1) * self.imgScaling
self.draw.point((pointX, pointY), colour)
#pointCX = (stop.longitude - self.minlon) * self.imgScaling
#pointCY = y - ((coordinate.lat2y(stop.latitude) - y1) * self.imgScaling)
self.draw.text((pointX, pointY), str(id).encode('utf-8'), fill=(0,0,0,255))
def drawPath(self, path, colour):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
fromNode = 0
for pid in path:
toNode = pid
if fromNode == 0:
fromNode = toNode
else:
self.drawLine(y, y1, fromNode[0], fromNode[1], toNode[0],
toNode[1], self.imgScaling, colour)
fromNode = toNode
def __init__(self, imageWidth, minlon, minlat, maxlon, maxlat):
self.minlon = minlon
self.maxlon = maxlon
self.minlat = minlat
self.maxlat = maxlat
self.lonLength = (self.maxlon - self.minlon)
self.imgScaling = (imageWidth / self.lonLength)
imageHight = ((coordinate.lat2y(self.maxlat) -
coordinate.lat2y(self.minlat)) *
self.imgScaling)
self.im = Image.new('RGBA', (imageWidth, int(imageHight)), 'white')
self.draw = ImageDraw.Draw(self.im)
def __init__(self, imageWidth, minlon, minlat, maxlon, maxlat):
self.minlon = minlon
self.maxlon = maxlon
self.minlat = minlat
self.maxlat = maxlat
self.lonLength = (self.maxlon - self.minlon)
self.imgScaling = (imageWidth / self.lonLength)
imageHight = (
(coordinate.lat2y(self.maxlat) - coordinate.lat2y(self.minlat)) *
self.imgScaling)
self.im = Image.new('RGBA', (imageWidth, int(imageHight)), 'white')
self.draw = ImageDraw.Draw(self.im)
def drawNodes(self, nodes, colour):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for id, n in nodes.items():
pointX = (n.longitude - self.minlon) * self.imgScaling
pointY = y - (coordinate.lat2y(n.latitude) - y1) * self.imgScaling
self.draw.point((pointX, pointY), colour)
#pointCX = (stop.longitude - self.minlon) * self.imgScaling
#pointCY = y - ((coordinate.lat2y(stop.latitude) - y1) * self.imgScaling)
self.draw.text((pointX, pointY),
str(id).encode('utf-8'),
fill=(0, 0, 0, 255))
def drawPath(self, path, colour):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
fromNode = 0
for pid in path:
toNode = pid
if fromNode == 0:
fromNode = toNode
else:
self.drawLine(y, y1, fromNode[0], fromNode[1], toNode[0],
toNode[1], self.imgScaling, colour)
fromNode = toNode
def drawRoads(self, edges):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for fromCoord, n in edges.items():
#a = nodes[fromCoord].coordinates
for toCoord, z, i, _ in n:
#b = nodes[toCoord].coordinates
colr = 255 - min(int(255 * (float(z) / 120)), 255)
if int(z) < 31:
colr = 220
self.drawLine(y, y1, fromCoord[0], fromCoord[1], toCoord[0],
toCoord[1], self.imgScaling,
(colr, colr, colr, 255))
def drawBusStops(self, busStops):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for stop in busStops:
radius = 2
if stop.name == '':
self.drawCircle(y, y1, stop.longitude, stop.latitude,
radius, self.imgScaling, (110, 50, 200))
else:
self.drawCircle(y, y1, stop.longitude, stop.latitude, radius,
self.imgScaling, (254, 122, 85))
pointCX = (stop.longitude - self.minlon) * self.imgScaling
pointCY = y - ((coordinate.lat2y(stop.latitude) - y1) * self.imgScaling)
self.draw.text((pointCX, pointCY), stop.name.encode('utf-8'), fill=(0,0,0,255))
def drawRoads(self, edges):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for fromCoord, n in edges.items():
#a = nodes[fromCoord].coordinates
for toCoord, z, i, _ in n:
#b = nodes[toCoord].coordinates
colr = 255 - min(int(255 * (float(z) / 120)), 255)
if int(z) < 31:
colr = 220
self.drawLine(y, y1,
fromCoord[0], fromCoord[1],
toCoord[0], toCoord[1],
self.imgScaling,
(colr, colr, colr, 255))
def drawBusStops(self, busStops):
y1 = coordinate.lat2y(self.minlat)
y2 = coordinate.lat2y(self.maxlat)
y = (y2 - y1) * self.imgScaling
for stop in busStops:
radius = 2
if stop.name == '':
self.drawCircle(y, y1, stop.longitude, stop.latitude, radius,
self.imgScaling, (110, 50, 200))
else:
self.drawCircle(y, y1, stop.longitude, stop.latitude, radius,
self.imgScaling, (254, 122, 85))
pointCX = (stop.longitude - self.minlon) * self.imgScaling
pointCY = y - (
(coordinate.lat2y(stop.latitude) - y1) * self.imgScaling)
self.draw.text((pointCX, pointCY),
stop.name.encode('utf-8'),
fill=(0, 0, 0, 255))
def drawPoint(self, y, y1, lon, lat, scale, colour):
pointPX = (lon - self.minlon) * scale
pointPY = y - ((coordinate.lat2y(lat) - y1) * scale)
self.draw.point((pointPX, int(pointPY)), colour)
def drawLine(self, y, y1, aLon, aLat, bLon, bLat, scale, colour):
pointAX = (aLon - self.minlon) * scale
pointAY = y - ((coordinate.lat2y(aLat) - y1) * scale)
pointBX = (bLon - self.minlon) * scale
pointBY = y - ((coordinate.lat2y(bLat) - y1) * scale)
self.draw.line((pointAX, pointAY, pointBX, pointBY), colour)
def drawCircle(self, y, y1, lon, lat, r, scale, colour):
pointCX = (lon - self.minlon) * scale
pointCY = y - ((coordinate.lat2y(lat) - y1) * scale)
self.draw.ellipse((pointCX - r, pointCY - r, pointCX + r, pointCY + r),
fill=colour)
def drawCircle(self, y, y1, lon, lat, r, scale, colour):
pointCX = (lon - self.minlon) * scale
pointCY = y - ((coordinate.lat2y(lat) - y1) * scale)
self.draw.ellipse((pointCX - r, pointCY - r, pointCX + r, pointCY + r),
fill=colour)
def drawLine(self, y, y1, aLon, aLat, bLon, bLat, scale, colour):
pointAX = (aLon - self.minlon) * scale
pointAY = y - ((coordinate.lat2y(aLat) - y1) * scale)
pointBX = (bLon - self.minlon) * scale
pointBY = y - ((coordinate.lat2y(bLat) - y1) * scale)
self.draw.line((pointAX, pointAY, pointBX, pointBY), colour)
def drawPoint(self, y, y1, lon, lat, scale, colour):
pointPX = (lon - self.minlon) * scale
pointPY = y - ((coordinate.lat2y(lat) - y1) * scale)
self.draw.point((pointPX, int(pointPY)), colour)