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application.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of wxpymaps.
#
# wxpymaps is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# wxpymaps is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with wxpymaps. If not, see <http://www.gnu.org/licenses/>.
"""google maps client, with the possibility to use maps images offline"""
import os
import math
import thread
import Queue
import urllib
import logging
import wx
import wx.lib.newevent
#from wx.lib.buttons import GenBitmapButton, GenBitmapToggleButton
from PIL import Image
from threading import Timer
from xml.dom.minidom import Document
import globalmaptiles
import marker_dialog
import path_dialog
logging.basicConfig(filename='debug.log',
format='%(levelname)s:%(threadName)s:%(funcName)s: %(message)s',
level=logging.DEBUG)
baseurlmap = {0: "http://mt1.google.com/vt/lyrs=m@132&hl=en", # default
1: "http://mt1.google.com/vt/lyrs=t",
2: "http://mt1.google.com/vt/lyrs=p",
# mappe satellitari
3: "http://mt1.google.com/vt/lyrs=s",
# mappe satellitari con strade
4: "http://mt1.google.com/vt/lyrs=y",
# overlay:
5: "http://mt1.google.com/vt/lyrs=h",
6: "http://mt1.google.com/vt/lyrs=r"
}
APP_NAME = "Application"
MAP_TYPE = 0 # numero tra 0 e 6
DIR_CACHE = os.getcwd() + "/cache/" + str(MAP_TYPE) + "/"
DOWNLOAD_THREAD_NUM = 3
QUEUE_WAIT = 0.5
#coda di tipo LIFO: se cambio livello di zoom vengono inseriti nella coda tile
#relativi al nuovo livello di zoom, voglio che vengano mostrati prima questi
tile_to_download = Queue.LifoQueue(maxsize=0)
class Tile:
"""
A tile is a 255*255 pixels png image
"""
def __init__(self, x, y, zoom):
"""
Tile constructior.
Args:
x (int): x coordinate for this tile
y (int): y coordinate for this tile
zoom (int): zoom for this tile
"""
self.tile = x, y, zoom
self.id = wx.NewId()
def loadtile(self):
"""
loads the image representing this tile (if already downloaded)
Returns:
str. image path
"""
x, y, zoom = self.tile
filename = DIR_CACHE + "/" + str(x) + "-" + str(y) + "-" + \
str(zoom) + ".png"
if (os.path.exists(filename)):
try:
img = Image.open(filename)
cond = img.verify()
return [filename, ]
except IOError as detail:
logging.error("error: %s", detail)
return None
else:
return None
def drawlocaltile(self, frame, dc):
"""
metodo che disegna un tile, può essere chiamato anche appena un tile
viene scaricato, quindi bisogna controllare che il livello di zoom sia
conforme
"""
x, y, _ = self.tile
zoom = frame.zoom
id = self.id
dc.RemoveId(id)
dc.ClearId(id)
dc.SetId(id)
img = self.loadtile()
"""dc.SetBrush(wx.GREY_BRUSH)
dc.DrawRectangle(x*256,y*256,256,256)
dc.DrawText(str(x)+","+str(y), x*256,y*256)"""
if(img is not None):
self.image = wx.Image(img[0], wx.BITMAP_TYPE_ANY).ConvertToBitmap()
a = dc.DrawBitmap(self.image, x * 256, y * 256, False)
dc.SetIdBounds(id, wx.Rect(x * 256, y * 256, 256, 256))
frame.objids.append(id)
return True
else:
return False
class MyMercator(globalmaptiles.GlobalMercator):
"""
Estendo la classe GlobalMercator, creando i due metodi che userò
nell'applicazione
"""
def __init__(object):
globalmaptiles.GlobalMercator.__init__(object)
def pixels_to_lat_lon(self, x, y, zoom):
"""
converte le coordinate da pixel a (lat, lon) per un certo zoom
"""
mx, my = mercator.PixelsToMeters(x, y, zoom)
lat, lon = mercator.MetersToLatLon(mx, my)
#lat corretto
return -lat, lon
def lat_lon_to_pixels(self, lat, lon, zoom):
"""
converte le coordinate da (lat, lon) a pixel per un certo zoom
"""
mx, my = mercator.LatLonToMeters(lat, lon)
x, y = mercator.MetersToPixels(mx, my, zoom)
#correzione coordinata y (globalmaptiles ha l'origine sull'orizzonte, \
#python in alto a sinistra)
y = ((2 ** zoom) * 256) - y
return x, y
mercator = MyMercator()
class Marker:
img = wx.Image("images/marker.png", wx.BITMAP_TYPE_ANY)
def __init__(self, lat, lon, name="", description=""):
self.lat = float(lat)
self.lon = float(lon)
self.name = name
self.description = description
self.id = wx.NewId()
def __str__(self):
return str(self.lon) + "," + str(self.lat) + ",0"
def getpixels(self, zoom):
x, y = mercator.lat_lon_to_pixels(self.lat, self.lon, zoom)
return x, y
def draw(self, frame, dc):
id = self.id
dc.RemoveId(id)
dc.ClearId(id)
dc.SetId(id)
zoom = frame.zoom
x, y = self.getpixels(zoom)
# sposto il marker (largo 20 e alto 34 pixel) a sinistra di 10 e
# in alto di 34
x -= 10
y -= 34
dc.SetIdBounds(id, wx.Rect(x, y, 20, 34))
# Crea il DC e lo prepara per il disegno.
#frame.dc.BeginDrawing()
frame.marker_img = self.img.ConvertToBitmap()
# Disegna un'immagine senza la maschera trasparente.
img = dc.DrawBitmap(frame.marker_img, int(x), int(y), False)
dc.SetBrush(wx.WHITE_BRUSH)
dc.DrawText(self.name, x + 20, y)
dc.SetBrush(wx.BLACK_BRUSH)
dc.DrawText(self.name, x + 21, y + 1)
# Finisce le operazioni di disegno.
#frame.dc.EndDrawing()
frame.objids.append(id)
class LineString:
"""
Percorso a linee spezzate
"""
def __init__(self, name="", description="", path=""):
self.name = name
self.description = description
self.path = path
self.id = wx.NewId()
def __str__(self):
return str(self.path)
def draw(self, frame, dc):
"""
disegna la linestring
"""
id = self.id
dc.RemoveId(id)
dc.ClearId(id)
dc.SetId(id)
coords = []
lat, lon = self.path[0]
minx, miny = mercator.lat_lon_to_pixels(
float(lat), float(lon), frame.zoom)
maxx, maxy = minx, miny
for p in self.path:
lat, lon = p
p_pixel = mercator.lat_lon_to_pixels(lat, lon, frame.zoom)
coords.append(p_pixel)
x, y = p_pixel
if minx > x:
minx = x
if miny > y:
miny = y
if maxx < x:
maxx = x
if maxy < y:
maxy = y
logging.debug("quadrato %d, %d, %d, %d", minx, miny, maxx, maxy)
dc.SetIdBounds(self.id, wx.Rect(minx, miny, maxx, maxy))
dc.SetBrush(wx.GREY_BRUSH)
#dc.DrawRectangle(min,min,max,max)
dc.SetBrush(wx.BLACK_BRUSH)
dc.DrawLines(coords, xoffset=0, yoffset=0)
logging.debug("path drawn")
# This creates a new Event class and a EVT binder function
(DownloadImageEvent, EVT_DOWNLOAD_IMAGE) = wx.lib.newevent.NewEvent()
class DownloadThread:
def __init__(self, frame):
self.frame = frame
def Start(self):
#self.keepGoing = self.running = True
thread.start_new_thread(self.Run, ())
def Stop(self):
self.keepGoing = False
def IsRunning(self):
return self.running
def downloadtile(self, tile):
# if(x>=0 & y>=0 & zoom>=0):
x, y, zoom = map(str, tile.tile)
param = "&x=" + x + "&y=" + y + "&z=" + zoom
url = baseurlmap[MAP_TYPE] + param
filename = DIR_CACHE + "/" + x + "-" + y + "-" + zoom + ".png"
#if (os.path.exists(filename)==False):
#print url
try:
url = urllib.urlretrieve(url, filename)
return url
except IOError as e:
#offline
logging.debug("image %s offline. %s", url, e)
def Run(self):
#for tile in tiles:
while True:
logging.debug("t%s: begins loop", self.name)
tile = tile_to_download.get()
logging.debug("t%s: tile %s taken from queue",
self.name, str(tile.tile))
self.img = self.downloadtile(tile)
logging.debug("t%s: downloading tile %s",
self.name, str(tile.tile))
if(self.img is not False):
evt = DownloadImageEvent(downloaded_tile=tile)
wx.PostEvent(self.frame, evt)
logging.debug("t%s: tile %s downloaded",
self.name, str(tile.tile))
tile_to_download.task_done()
logging.debug("t%s: ends loop", self.name)
#self.running = False
class PyMapFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, -1, APP_NAME, pos=(0, 0),
size=wx.DisplaySize())
self.sw = wx.ScrolledWindow(self, style=wx.SUNKEN_BORDER)
#self.sw.lines = []
self.zoom = 0
self.canvasSize = 256
self.mode = "select"
self.dragid = -1
#self.sw.curLine = []
#self.sw.drawing = False
wx.EVT_PAINT(self.sw, self.OnPaint)
#self.sw.Bind(wx.EVT_CONTEXT_MENU, self.OnContextMenuMarker)
self.sw.Bind(wx.EVT_MOUSE_EVENTS, self.OnMouse)
self.sw.Bind(wx.EVT_SCROLLWIN_THUMBRELEASE, self.OnScroll)
# Id utilizzato dallo slider
# inseriti nella toolbar.
ID_SLIDER = wx.NewId()
tb = self.CreateToolBar(wx.TB_HORIZONTAL | wx.NO_BORDER | wx.TB_FLAT)
self.slider = wx.Slider(tb, wx.ID_ANY, size=[300, 50],
style=wx.SL_HORIZONTAL | wx.SL_AUTOTICKS |
wx.SL_LABELS | wx.SL_BOTH)
self.slider.SetTickFreq(1)
self.slider.SetRange(0, 22)
self.slider.SetValue(0)
self.slider.Bind(wx.EVT_SCROLL_CHANGED, self.OnSlide, self.slider)
#self.Bind(wx.EVT_SCROLL_CHANGED, self.DoDrawingBtn, self.sw)
tb.AddControl(self.slider)
new_bmp = wx.ArtProvider.GetBitmap(wx.ART_NEW,
wx.ART_TOOLBAR, (30, 30))
# tb.AddLabelTool(10, "New", new_bmp, shortHelp="New",
# longHelp="Long help for 'New'")
self.Bind(wx.EVT_TOOL, self.ViewMarker, id=10)
# Create the menubar
menuBar = wx.MenuBar()
# and a menu
filemenu = wx.Menu()
insertmenu = wx.Menu()
# add an item to the menu, using \tKeyName automatically
# creates an accelerator, the third param is some help text
# that will show up in the statusbar
ID_NEW = wx.NewId()
ID_SAVE = wx.NewId()
ID_ADD = wx.NewId()
ID_ADD_PATH = wx.NewId()
ID_EXIT = wx.NewId()
idimport = wx.NewId()
filemenu.Append(wx.ID_NEW)
filemenu.Append(wx.ID_OPEN)
filemenu.Append(idimport, "Import\tAlt-I", "Import")
filemenu.Append(wx.ID_SAVE)
insertmenu.Append(wx.ID_ADD, "New Point", "New Point")
insertmenu.Append(ID_ADD_PATH, "New Path", "New Path")
filemenu.Append(wx.ID_EXIT)
# bind the menu event to an event handler
#self.Bind(wx.EVT_MENU, self.OnOpen, id=wx.id_import)
self.Bind(wx.EVT_MENU, self.OnNew, id=wx.ID_NEW)
self.Bind(wx.EVT_MENU, self.OnOpen, id=wx.ID_OPEN)
self.Bind(wx.EVT_MENU, self.OnImport, id=idimport)
self.Bind(wx.EVT_MENU, self.OnSave, id=wx.ID_SAVE)
self.Bind(wx.EVT_MENU, self.OnNewPoint, id=wx.ID_ADD)
self.Bind(wx.EVT_MENU, self.OnNewPath, id=ID_ADD_PATH)
self.Bind(wx.EVT_MENU, self.OnExit, id=wx.ID_EXIT)
self.Bind(EVT_DOWNLOAD_IMAGE, self.OnDownload)
# and put the menu on the menubar
menuBar.Append(filemenu, "&File")
menuBar.Append(insertmenu, "&Insert")
self.SetMenuBar(menuBar)
#array in cui vengono salvati tiles, markers e percorsi
self.tiles = []
self.layers = []
self.markers = []
self.LineStrings = []
sizeX, sizeY = self.sw.GetSize()
#self.sw.Scroll(sizeX/2, sizeY/2)
self.buffer = wx.EmptyBitmap(sizeX * 10, sizeY * 10)
self.pdc = wx.PseudoDC()
self.DoDrawing(self.pdc)
self.CreateStatusBar()
#creo e faccio partire il thread che scarica le tile non presenti
for i in range(DOWNLOAD_THREAD_NUM):
DT = DownloadThread(self)
DT.name = str(i)
DT.Start()
#self.buffer = wx.EmptyBitmap(self.canvasSize,self.canvasSize)
#self.dc = wx.BufferedDC(None, self.buffer)
#self.dc.SetBackground(wx.Brush(self.GetBackgroundColour()))
#self.dc.Clear()
#self.DoDrawing()
"""def getTiles(self,zoom,event):
#print "thread" + str(zoom)
for x in range(0,2 ** zoom):
for y in range(0,2**zoom):
if(x<5 and y<4):
img=downloader.downloadtile(x,y,zoom)
#print img
wx.InitAllImageHandlers()
# Carica "mappa.png" in memoria.
#png = wx.Image(imageFile, wx.BITMAP_TYPE_ANY).ConvertToBitmap()
#self.png = wx.Image("mappa.png", wx.BITMAP_TYPE_ANY).ConvertToBitmap()
"""
def ConvertEventCoords(self, event):
xView, yView = self.sw.GetViewStart()
xDelta, yDelta = self.sw.GetScrollPixelsPerUnit()
return (event.GetX() + xView * xDelta,
event.GetY() + yView * yDelta)
def OffsetRect(self, r):
xView, yView = self.sw.GetViewStart()
xDelta, yDelta = self.sw.GetScrollPixelsPerUnit()
r.OffsetXY(-(xView * xDelta), -(yView * yDelta))
def LookAt(self, lat, lon, zoom):
#visualizza il punto alle coordinate (lat,lon), allo zoom attuale
x, y = mercator.lat_lon_to_pixels(lat, lon, zoom)
xFrame, yFrame = self.sw.GetSize()
#print "sw",x,y
x = x - xFrame / 2
y = y - yFrame / 2
self.sw.Scroll(x / 20, y / 20)
self.DoDrawing(self.pdc)
def ViewMarker(self, event):
lat, lon = self.markers[0].lat, self.markers[0].lon
self.LookAt(lat, lon, self.zoom)
def OnPaint(self, event):
#print "(" + str(minX) + "," + str(minY) + ") \
# (" + str(maxX) + "," + str(maxY) + ")"
#print self.sw.GetViewStart()
#print self.sw.CalcUnscrolledPosition((0,0))
#print self.sw.GetSize()
#print self.sw.GetScrollPixelsPerUnit()
#dc = wx.BufferedPaintDC(self.sw, self.buffer, wx.BUFFER_VIRTUAL_AREA)
#if(minX > 0 and minY > 0):
#dc1=wx.PaintDC(self.sw)
#self.sw.DoPrepareDC(dc1)
#self.DoDrawing(dc1)
#self.DoDrawing(self.pdc)
dc = wx.BufferedPaintDC(self.sw)
self.sw.PrepareDC(dc)
dc.Clear()
xv, yv = self.sw.GetViewStart()
dx, dy = self.sw.GetScrollPixelsPerUnit()
x, y = (xv * dx, yv * dy)
#print "xy",x,y
rgn = self.sw.GetUpdateRegion()
#print "region",rgn
rgn.Offset(x, y)
sx, sy = self.sw.GetSize()
r = (x, y, sx, sy)
r = rgn.GetBox()
#self.DoDrawing(self.pdc)
self.pdc.DrawToDCClipped(dc, r)
self.pdc.DrawToDC(dc)
#print "linee",self.LineStrings
"""for l in self.LineStrings:
print l.path"""
def OnDownload(self, evt):
"""
when a tile is downloaded, it will be drown (if the zoom is correct)
"""
if (evt.downloaded_tile is not None and
(evt.downloaded_tile.tile[2] == self.zoom)):
newTile = evt.downloaded_tile
#print "onDownload " + str(newTile.tile)
dc = self.pdc
dc.BeginDrawing()
newTile.drawlocaltile(self, dc)
for m in self.markers:
m.draw(self, dc)
for p in self.LineStrings:
p.draw(self, dc)
#points.append(m.getpixels(zoom))
#dc.DrawLines(points, xoffset=0, yoffset=0)
dc.EndDrawing()
self.OnPaint(evt)
def OnScroll(self, evt):
"""if(evt.GetPosition()==wx.HORIZONTAL):
print "orizzontale"
if(evt.GetPosition()==wx.VERTICAL):
print "verticale"""
self.DoDrawing(self.pdc)
self.OnPaint(evt)
def put_tile_in_queue(self, tile):
"""
if the tile belongs to this zoom, it is put in the queue to be download
by the downloadthread
"""
if(tile.tile[2] == self.zoom):
tile_to_download.put(tile)
#print "messo",tile.tile
#disegna la mappa e gli oggetti all'interno dell'area attualmente visibile
def DoDrawing(self, dc):
self.objids = []
self.boundsdict = {}
zoom = self.zoom
# Crea il DC e lo prepara per il disegno.
#self.dc = wx.PaintDC(self.sw)
dc.BeginDrawing()
# dalla dimensione della finestra e posizione attuale, calcolo quali
# tile devono essere disegnate
xv, yv = self.sw.GetViewStart()
dx, dy = self.sw.GetScrollPixelsPerUnit()
minX, minY = (xv * dx, yv * dy)
maxX, maxY = self.sw.GetSize()
minX = int(math.floor(minX / 256)) # floor: approssimazione p difetto
minY = int(math.floor(minY / 256))
maxX = int(math.ceil(minX + maxX / 256 + 2)) # ceil: appr. p eccesso
maxY = int(math.ceil(minY + maxY / 256 + 2))
# dc.Clear()
# dc.BeginDrawing()
if(maxX > 2 ** zoom):
maxX = 2 ** zoom
if(maxY > 2 ** zoom):
maxY = 2 ** zoom
found = False
for x in range(minX, maxX):
for y in range(minY, maxY):
# controllo se il tile e' gia' stato disegnato
for t in self.tiles:
if t.tile == (x, y, zoom):
found = True
# se non e' gia' stato disegnato, creo l'oggetto
if not found:
newTile = Tile(x, y, zoom)
#print "creato",newTile.tile
#se riesco a disegnarlo, lo metto nel vettore
if newTile.drawlocaltile(self, dc):
self.tiles.append(newTile)
else:
# aggiungo alla coda il tile da scaricare aspettando
# QUEUE_WAIT secondi
if(not tile_to_download.full()):
t = Timer(QUEUE_WAIT, self.put_tile_in_queue,
args=[newTile, ])
t.start()
#tile_to_download.put(newTile)
#print "messo",newTile.tile
#print x,y
found = False
#disegno i markers
for m in self.markers:
m.draw(self, dc)
#disegno i path
for p in self.LineStrings:
p.draw(self, dc)
# Finisce le operazioni di disegno.
dc.EndDrawing()
logging.debug("tile in memoria: %d", len(self.tiles))
def Zoom(self, lat, lon, zoom, event=None):
#svuoto la coda tile_to_download
"""for i in range(tile_to_download.qsize()):
if tile_to_download.qsize()>0:
tile_to_download.get_nowait()"""
#print "dim", tile_to_download.qsize()
#elimino tutti gli id
self.pdc.RemoveAll()
"""for t in self.tiles:
self.pdc.RemoveId(t.id)
self.pdc.ClearId(t.id)
for m in self.markers:
self.pdc.RemoveId(m.id)
self.pdc.ClearId(m.id)"""
self.tiles = []
if zoom <= 3:
self.pdc.Clear()
self.zoom = zoom
#impostazioni barre di scorrimento
self.canvasSize = (2 ** zoom) * 256
self.sw.SetVirtualSize((self.canvasSize, self.canvasSize))
self.sw.SetScrollRate(20, 20)
#self.DoDrawing(self.pdc)
self.LookAt(lat, lon, self.zoom)
#self.DoDrawing(self.pdc)
self.OnPaint(event)
def OnSlide(self, event):
"""
metodo chiamato quando si muove lo slider: cambia il livello dello
zoom centrando mantenendo lo stesso centro dell'immagine
"""
self.tiles = []
xFrame, yFrame = self.sw.GetSize()
xCenter = xFrame / 2
yCenter = yFrame / 2
xView, yView = self.sw.GetViewStart()
xDelta, yDelta = self.sw.GetScrollPixelsPerUnit()
x, y = (xCenter + xView * xDelta, yCenter + yView * yDelta)
logging.debug("x=%d, y=%d", x, y)
lat, lon = mercator.pixels_to_lat_lon(x, y, self.zoom)
logging.debug("lat=%s, lon=%s", str(lat), str(lon))
#self.slider.SetValue(self.zoom)
#self.DoDrawing(self.pdc)
self.zoom = self.slider.GetValue()
#self.slider.SetValue(self.zoom)
self.Zoom(lat, lon, self.zoom, event)
def OnNewPoint(self, event):
self.NewPointDialog(coords="38.132329,15.158815")
"""def NewPointDialog(self,coords):
dlg = wx.TextEntryDialog(self, 'Inserisci le coordinate',
'Nuovo punto', 'Python')
dlg.SetValue(coords)
if dlg.ShowModal() == wx.ID_OK:
coordinate=dlg.GetValue()
lat,lon=coordinate.split(",")
newMarker=Marker(lat,lon)
self.markers.append(newMarker)
dlg.Destroy()
self.DoDrawing(self.pdc)"""
def NewPointDialog(self, coords):
dialog = marker_dialog.MarkerDialog(None, -1, "")
dialog.coordinates.SetValue(coords)
dialog.SetTitle("New Point")
val = dialog.ShowModal()
logging.debug("val=%s", str(val))
if val == wx.ID_OK:
coordinate = dialog.coordinates.GetValue()
lat, lon = coordinate.split(",")
name = dialog.name.GetValue()
description = dialog.description.GetValue()
newMarker = Marker(lat, lon, name, description)
self.markers.append(newMarker)
newMarker.draw(self, self.pdc)
dialog.Destroy()
def OnNewPath(self, event):
self.tempPath = []
self.mode = "path"
self.NewPathDialog(event)
def NewPathDialog(self, event):
self.PathDialog = path_dialog.PathDialog(None, -1, "")
self.PathDialog.SetTitle("New Path")
self.PathDialog.Bind(wx.EVT_BUTTON, self.OnNewPathOk,
id=self.PathDialog.ID_NEWPATH)
val = self.PathDialog.Show()
def OnNewPathOk(self, event):
name = self.PathDialog.name.GetValue()
description = self.PathDialog.description.GetValue()
#creo il nuovo oggetto linestring e lo aggiungo al vettore dei
# linestring
newLineString = LineString(name, description, self.tempPath)
self.LineStrings.append(newLineString)
#ripristino la modalita' select e chiudo la finestra newpath
self.mode = "select"
self.PathDialog.Destroy()
def load_kml(self, namefile):
#carica i markers da file kml e restituisce la lista di markers
markers = []
import xml.dom.minidom
from xml.dom.minidom import Node
doc = xml.dom.minidom.parse(namefile)
p_name = ""
p_description = ""
for node in doc.getElementsByTagName("Placemark"):
name = node.getElementsByTagName("name")
for node1 in name:
for n in node1.childNodes:
p_name = n.data.encode('utf8')
logging.debug("p_name=%s", str(p_name))
description = node.getElementsByTagName("description")
for desc in description:
for des in desc.childNodes:
p_description = (des.data).encode('utf8')
logging.debug("p_description=%s", str(p_description))
point = node.getElementsByTagName("Point")
if len(point) > 0:
for node2 in point:
coordinates = node2.getElementsByTagName("coordinates")
for node3 in coordinates:
for node4 in node3.childNodes:
p_coordinates = node4.data.encode('utf8')
#print p_coordinates
lon, lat, hi = p_coordinates.split(",")
newMarker = Marker(lat, lon, p_name, p_description)
self.markers.append(newMarker)
newMarker.draw(self, self. pdc)
linestring = node.getElementsByTagName("LineString")
if len(linestring) > 0:
for node2 in linestring:
newpath = []
coordinates = node2.getElementsByTagName("coordinates")
for node3 in coordinates:
for node4 in node3.childNodes:
p_coordinates = node4.data.encode('utf8')
co = p_coordinates.split("\n")
#print "righe",co
for p in co:
if(p.strip() != ""):
#print "riga",p
lon, lat, hi = p.split(",")
newpath.append((float(lat), float(lon)))
#print newpath
newLineString = LineString(path=newpath)
self.LineStrings.append(newLineString)
return markers
def OnContextMenuMarker(self, marker):
if not hasattr(self, "popupID1"):
self.popupID1 = wx.NewId()
self.popupID2 = wx.NewId()
def UpdateMarkerDialog(self, marker=marker):
dialog = marker_dialog.MarkerDialog(None, -1, "")
dialog.coordinates.SetValue(str(marker.lat) + "," +
str(marker.lon))
dialog.name.SetValue(marker.name)
dialog.description.SetValue(marker.description)
dialog.SetTitle("Edit Marker properties")
val = dialog.ShowModal()
if val == wx.ID_OK:
coordinate = dialog.coordinates.GetValue()
lat, lon = coordinate.split(",")
marker.lat = float(lat)
marker.lon = float(lon)
marker.name = dialog.name.GetValue()
marker.description = dialog.description.GetValue()
#newMarker=Marker(lat,lon,name,description)
#self.markers.append(newMarker)
#marker.draw(self,self.pdc)
dialog.Destroy()
def Ondelete(event, marker=marker):
id = marker.id
self.pdc.RemoveId(id)
self.pdc.ClearId(id)
self.markers.remove(marker)
menu.Destroy
self.OnPaint(event)
#self.Bind(wx.EVT_MENU, self.Ondelete, id=self.popupID1)
self.Bind(wx.EVT_MENU, UpdateMarkerDialog, id=self.popupID1)
self.Bind(wx.EVT_MENU, Ondelete, id=self.popupID2)
# make a menu
menu = wx.Menu()
# Show how to put an icon in the menu
# add some other items
menu.Append(self.popupID1, "Properties " + marker.name)
menu.Append(self.popupID2, "Delete")
# Popup the menu. If an item is selected then its handler
# will be called before PopupMenu returns.
self.PopupMenu(menu)
menu.Destroy()
def OnContextMenuLineString(self, LineString):
if not hasattr(self, "popupID1"):
self.popupID1 = wx.NewId()
self.popupID2 = wx.NewId()
def UpdateLineStringDialog(self, linestring=LineString):
dialog = path_dialog.PathDialog(None, -1, "")
#dialog.coordinates.SetValue(str(marker.lat) +"," +str(marker.lon))
dialog.name.SetValue(linestring.name)
dialog.description.SetValue(linestring.description)
dialog.SetTitle("Edit LineString properties")
val = dialog.ShowModal()
logging.debug("val=%d", str(val))
if val == dialog.ID_NEWPATH:
#coordinate=dialog.coordinates.GetValue()
#lat,lon = coordinate.split(",")
linestring.name = dialog.name.GetValue()
linestring.description = dialog.description.GetValue()
#newMarker=Marker(lat,lon,name,description)
#self.markers.append(newMarker)
#marker.draw(self,self.pdc)
dialog.Destroy()
def Ondelete(event, linestring=LineString):
id = linestring.id
self.pdc.RemoveId(id)
self.pdc.ClearId(id)
self.LineStrings.remove(linestring)
menu.Destroy
self.OnPaint(event)
#self.Bind(wx.EVT_MENU, self.Ondelete, id=self.popupID1)
self.Bind(wx.EVT_MENU, UpdateLineStringDialog, id=self.popupID1)
self.Bind(wx.EVT_MENU, Ondelete, id=self.popupID2)
# make a menu
menu = wx.Menu()
# Show how to put an icon in the menu
# add some other items
menu.Append(self.popupID1, "Properties path " + LineString.name)
menu.Append(self.popupID2, "Delete path")
# Popup the menu. If an item is selected then its handler
# will be called before PopupMenu returns.
self.PopupMenu(menu)
menu.Destroy()
def OnContextMenuMap(self, coord):
if not hasattr(self, "popupIDnew"):
self.popupIDnew = wx.NewId()
def OnNewPoint(event, coord=coord):
self.NewPointDialog(coord)
menu.Destroy
self.OnPaint(event)
self.Bind(wx.EVT_MENU, OnNewPoint, id=self.popupIDnew)
# make a menu
menu = wx.Menu()
# Show how to put an icon in the menu
# add some other items
menu.Append(self.popupIDnew, "New Point")
# Popup the menu. If an item is selected then its handler
# will be called before PopupMenu returns.
self.PopupMenu(menu)
menu.Destroy()
def OnMouse(self, event):
x, y = self.ConvertEventCoords(event)
lat, lon = mercator.pixels_to_lat_lon(x, y, self.zoom)
self.SetStatusText(str(lat) + "," + str(lon))
if event.LeftDown():
#se sono in modalità "disegna percorso":
if self.mode == "path":
dc = wx.PaintDC(self.sw)
#newmarker=Marker(lat,lon)
#self.markers.append(newmarker)
#newmarker.draw(self,dc)
point = (lat, lon)
self.tempPath.append(point)
coords = []
ls = LineString(path=self.tempPath)
ls.draw(self, self.pdc)
#print self.tempPath
else:
#self.slider.SetValue(self.zoom)
#self.zoom + =1
#self.DoDrawing(self.pdc)
#self.slider.SetValue(self.zoom)
#print "x,y",x,y
#print "lat,lon",lat,lon
self.LookAt(lat, lon, self.zoom)
#self.Zoom(self.zoom,lat,lon)
l = self.pdc.FindObjects(x, y, 5)
self.DoDrawing(self.pdc)
self.OnPaint(event)
elif event.RightDown():
x, y = self.ConvertEventCoords(event)
l = self.pdc.FindObjects(x, y, 1) # lista di id oggetti disegnati
#print l
found = False
for id in l:
for m in self.markers:
if m.id == id:
"""self.pdc.RemoveId(id)
self.pdc.ClearId(id)
self.lastpos = (event.GetX(),event.GetY())"""
self.OnContextMenuMarker(m)
found = True
for line in self.LineStrings:
if line.id == id:
self.OnContextMenuLineString(line)
found = True
if found:
break
if not found:
lat, lon = mercator.pixels_to_lat_lon(x, y, self.zoom)
#new point
coord = str(lat) + "," + str(lon)
self.OnContextMenuMap(coord)
elif event.GetWheelRotation() > 0:
x, y = self.ConvertEventCoords(event)
lat, lon = mercator.pixels_to_lat_lon(x, y, self.zoom)
#self.slider.SetValue(self.zoom)
if (self.zoom != 22):
self.zoom += 1
#self.DoDrawing(self.pdc)
self.slider.SetValue(self.zoom)
self.Zoom(lat, lon, self.zoom, event)
elif event.GetWheelRotation() < 0:
x, y = self.ConvertEventCoords(event)
lat, lon = mercator.pixels_to_lat_lon(x, y, self.zoom)
#self.slider.SetValue(self.zoom)
if (self.zoom != 0):
self.zoom -= 1
#self.DoDrawing(self.pdc)
self.slider.SetValue(self.zoom)
self.Zoom(lat, lon, self.zoom, event)
def OnImport(self, event, action="import"):
wildcard = "KML file (*.kml)|*.kml|" \
"All files (*.*)|*.*"
dlg = wx.FileDialog(
self, message="Choose a file",
#defaultDir = os.getcwd(),
defaultFile="",
wildcard=wildcard,
style=wx.OPEN | wx.MULTIPLE | wx.CHANGE_DIR
)
if dlg.ShowModal() == wx.ID_OK:
# This returns a Python list of files that were selected.
if action == "new":
self.OnNew(event)
paths = dlg.GetPaths()
for pat in paths:
self.load_kml(pat)
dlg.Destroy()
self.DoDrawing(self.pdc)
self.OnPaint(event)
def OnOpen(self, event):
#self.OnNew(event)
self.OnImport(event, action="new")
#self.DoDrawing(self.pdc)
def OnNew(self, event):
for m in self.markers:
self.pdc.RemoveId(m.id)
self.pdc.ClearId(m.id)
self.markers = []
self.OnPaint(event)