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gearthview.py
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gearthview.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
gearthview
A QGIS plugin
GEarth View
-------------------
begin : 2013-06-22
public version : 2014-09-18
copyright : (C) 2013 2014 2015 by geodrinx
email : [email protected]
history :
Plugin Creation Roberto Angeletti
menu and icons Aldo Scorza
QgsRemoteControl Matthias Ludwig
import ext-libs Enrico Ferreguti
Victor Olaya
***************************************************************************/
http://localhost:5558/gaeta
http://localhost:5558/cesium/Apps/CesiumViewer
/***************************************************************************
* *
* This program 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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
# Import the PyQt and QGIS libraries
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
import qgis
import sys, itertools, os, glob, subprocess, zipfile, zlib, tempfile
import platform
from math import *
import datetime
import time
import codecs
#from http.server import HTTPServer, CGIHTTPRequestHandler
#import BaseHTTPServer, CGIHTTPServer
# https://pypi.python.org/pypi/qrcode
#import qrcode
# Initialize Qt resources from file resources.py
import resources_rc
# Import the code for the dialog
from gearthviewdialog import gearthviewDialog
if QGis.QGIS_VERSION_INT < 10900:
from osgeo import gdal
from osgeo import gdalnumeric
from osgeo import gdalconst
### important
import qtreactor.qt4reactor as qt4reactor
try:
qt4reactor.install()
except qt4reactor.ReactorAlreadyInstalledError:
print "still installed, doing nothing"
except AttributeError:
pass
except:
raise
## INSTALL qt4reactor before importing the twisted stuff
from twisted.internet import reactor
from twisted.web import server
from twisted.web.static import File
from osgeo import gdal, ogr, osr
###
#----------------------------------------------------------------------------
def P3dPoints_Write(self, adesso):
iface = qgis.utils.iface
layer = iface.mapCanvas().currentLayer()
if(layer == None):
return(-1)
crs = layer.crs()
nomeLayer = str(layer.name())
filePath = str(layer.source())
direct = os.path.dirname(filePath)
out_folder = direct + '/_3dPointsExport'
if not os.path.exists(out_folder):
os.mkdir( out_folder )
nomeGML = ("/GEKml_3dPoints.csv")
# Apro il file WKT in scrittura
kml=open(out_folder + nomeGML, 'w')
kml.write ("X,Y,Z,ID,Name,Istr\n")
# kml.write ("X,Y,Z,ID\n")
layer = self.iface.mapCanvas().currentLayer()
if layer:
if layer.type() == layer.VectorLayer:
name = layer.source();
nomeLayer = layer.name()
nomeLay = nomeLayer.replace(" ","_")
#--------------------------------------------------------
if (adesso == "GEKml_Polygons"):
# print "CREO UN MEMORY LAYER DI POLIGONI"
geomType = ("Polygon" + '?crs=%s') %(crs.authid())
DronePlan = "GEKml_Extrusions"
memLay_Tin = QgsVectorLayer(geomType, DronePlan, 'memory')
memprovider_Tin = memLay_Tin.dataProvider()
memLay_Tin.updateExtents()
memLay_Tin.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(memLay_Tin)
res = memprovider_Tin.addAttributes( [ QgsField("ID", QVariant.Int), QgsField("height", QVariant.Double), QgsField("baseZ", QVariant.Double), QgsField("Name", QVariant.String) ] )
idx = layer.fieldNameIndex('Name')
height = 0
baseZ = 0
num = 0
iter = layer.getFeatures()
for feat in iter:
num = num + 1
# fetch geometry
geom = feat.geometry()
Name = feat.attributes()[idx]
# print Name
testoWKT = geom.exportToWkt() + "\n"
# print testoWKT
istr = testoWKT.split(' ')
Z = str(istr[3])
Z = Z.replace(',','')
istruz = str(num) + "," + Name + "," + str(istr[0])
# print istruz
if (str(istr[0]) == "PolygonZ" and adesso == "GEKml_Polygons"):
# print "---scrivo un elemento poligono"
feature = QgsFeature()
feature.setGeometry( geom )
feature.initAttributes(4)
ID = num
# RoofType; // 0 = flat, 1 = shed, 2 = gable, 3 = hip
# h ttp://wiki.openstreetmap.org/wiki/OSM-4D/Roof_table
# RoofType = Name
# if (height == 0 and Z > 0):
if (float(Z) > 0):
# print Z
height = float(Z)
values = [(ID), (height), (baseZ), (Name)]
feature.setAttributes(values)
memprovider_Tin.addFeatures([feature])
testoWKT = testoWKT.replace("PointZ (", "")
testoWKT = testoWKT.replace("LineStringZ (", "")
testoWKT = testoWKT.replace("PolygonZ ((", "")
testoWKT = testoWKT.replace("Polygon ((", "")
testoWKT = testoWKT.replace(", ", ",istruzione\n")
testoWKT = testoWKT.replace("))", ",istruzione")
testoWKT = testoWKT.replace(")", ",istruzione")
testoWKT = testoWKT.replace(" ", ",")
testoWKT = testoWKT.replace("istruzione", istruz)
kml.write (testoWKT)
if (str(istr[0]) == "PointZ" and adesso == "GEKml_Polygons"):
splitta = testoWKT.split(',')
baseZ = splitta[2]
if (str(istr[0]) == "LineStringZ" and adesso == "GEKml_Polygons"):
splitta = testoWKT.split(',')
height = splitta[7]
kml.close()
if (adesso == "GEKml_Polygons"):
memLay_Tin.updateFields()
tumpdir = unicode(QFileInfo(QgsApplication.qgisUserDbFilePath()).path()) + "/python/plugins/gearthview/_WebServer"
nomeqml = tumpdir + "/GEKml_Extrusions.qml"
nomeqml.replace("\\", "/")
result = memLay_Tin.loadNamedStyle(nomeqml)
return(0)
"""
-----------------------------------------------------
LISTA DEI FILE DA SALVARE con un suffisso DATA_time
-----------------------------------------------------
gearthview/_WebServer/_3dPointsExport/GEKml_3dPoints.csv
gearthview/_WebServer/_3dPointsExport/GEKml_3dPoints.qml
gearthview/_WebServer/GEKml_Polygons.kml
memory/GEKml_Extrusions.shp
gearthview/_WebServer/GEKml_Extrusions.qml
from PyQt4.QtGui import QMessageBox
from qgis.core import QgsProject
path_absolute = QgsProject.instance().readPath("./")
QMessageBox.information(None, "Title", "AP: " + unicode(path_absolute))
error = QgsVectorFileWriter.writeAsVectorFormat(_vlayer, "GEKml_Extrusions.shp","utf-8",None,"ESRI Shapefile")
if error == QgsVectorFileWriter.NoError:
print "success!"
"""
# ----------------------------------------------------
def startGeoDrink_Server(self):
global serverStarted
webServerDir = unicode(QFileInfo(QgsApplication.qgisUserDbFilePath()).path()) + "/python/plugins/gearthview/_WebServer/"
port = 5558
from twisted.web.resource import Resource
# from twisted.web.twcgi import CGIScript
# resource = CGIScript(webServerDir)
# if platform.system() == "Windows":
# os.startfile(webServerDir + 'QGIS_link.kmz')
# if platform.system() == "Darwin":
# os.system("open " + str(webServerDir + 'QGIS_link.kmz'))
# if platform.system() == "Linux":
# os.system("xdg-open " + str(webServerDir + 'QGIS_link.kmz'))
GDX_Publisher(self)
if ( serverStarted == 0) :
serverStarted = 1
print ("Start GDX_Server Start --------!!!\n")
# ---------------------------------------------
class FormPage(Resource):
def __init__(self, iface, pluginDir):
self.iface = iface
self.pluginDir = pluginDir
# site.addsitedir(os.path.abspath(os.path.dirname(pluginDir) + '/ext-libs'))
# print os.path.abspath(os.path.dirname(pluginDir))
def render_GET(self, request):
global lat,lon
global Zeta
global description
#------ newdata = request.content.getvalue()
print request
#<GET /form?BBOX=16.3013171267662,38.63325421913416,16.62443680433362,38.86443091553171 HTTP/1.1>
#<GET /form?p=1&BBOX=-0.02411607307235109,-0.08678435516867355,0.149613182683106,0.06773426441872454 HTTP/1.1>
#<GET /form?p=0&bboxWest=12.13495518195707&%0A%09%09%09&bboxSouth=42.72418498839377&%0A%09%09%09&bboxEast=12.13932970664519&%0A%09%09%09&bboxNorth=42.72713741547008&%09%0A%09%09%09&lookatTerrainLon=12.13714248521776&%0A%09%09%09&lookatTerrainLat=42.7256612227012&%0A%09%09%09&lookatTerrainAlt=112.88& HTTP/1.1>
#<GET /form?p=0&BBOX=12.1356167437372,42.7264889613262,12.13701876665762,42.72743519322518&LookAt=12.13631776054357,42.72696207941286,205.39&LookatHeading=-0.002&LookatTilt=0&LookatTerrain=12.13631776055484,42.72696207945101,117.08&terrain=1 HTTP/1.1>
#<GET /form?p=0&BBOX=12.13560526927239,42.72643977188249,12.13703061697471,42.72740174642745&LookatTerrain=12.13631794864158,42.72692076136277,116.9&terrain=1 HTTP/1.1>
#<GET /form?p=1&BBOX=10.20045469843596,43.66302191930933,10.66672168693798,43.8667284090175&LookatTerrain=10.43397243010223,43.76510664670415,13.83&terrain=1&CAMERA=10.43397248408143,43.76510665598479,29287.22,0,-0.556&VIEW=60,38.141,1306,782 HTTP/1.1>
#<viewFormat>
# BBOX=[bboxWest],[bboxSouth],[bboxEast],[bboxNorth];
# LookatTerrain=[lookatTerrainLon],[lookatTerrainLat],[lookatTerrainAlt];
# terrain=[terrainEnabled];
# CAMERA=[lookatLon],[lookatLat],[lookatRange],[lookatTilt],[lookatHeading];
# VIEW=[horizFov],[vertFov],[horizPixels],[vertPixels]
#</viewFormat>
stringa = str(request)
stringa = stringa.replace('<GET /form?','')
stringa = stringa.replace(' HTTP/1.1>','')
params = stringa.split('&')
param0 = params[0].replace('p=','')
pony = param0
param1 = params[1].replace('BBOX=','')
bbox = param1.split(',')
kml = (
'<?xml version="1.0" encoding="UTF-8"?>\n'
'<kml xmlns="http://www.opengis.net/kml/2.2">\n')
if(pony == '3'):
kml = GDX_Publisher2(self, kml)
# print kml
return str(kml)
param2 = params[2].replace('LookatTerrain=','')
LookatTerrain = param2.split(',')
param3 = params[3].replace('terrain=','')
param4 = params[4].replace('CAMERA=','')
param5 = params[5].replace('VIEW=','')
CAMERA = param4.split(',')
lookatLon = float(CAMERA[0])
lookatLat = float(CAMERA[1])
lookatRange = float(CAMERA[2])
lookatTilt = float(CAMERA[3])
lookatHeading = float(CAMERA[4])
# print("lookatLon %f") %(lookatLon)
# print("lookatLat %f") %(lookatLat)
# print("lookatRange %f") %(lookatRange)
# print("lookatTilt %f") %(lookatTilt)
# print("lookatHeading %f") %(lookatHeading)
west = float(bbox[0])
south = float(bbox[1])
east = float(bbox[2])
north = float(bbox[3])
lon = float(LookatTerrain[0])
lat = float(LookatTerrain[1])
Zeta = float(LookatTerrain[2])
# print ("Zeta = %f") %(Zeta)
# msg = ("LonLatH = %s, %s elev = %s m alt = %s m") %(lon,lat,Zeta, lookatRange)
msg = ("LonLatH = %.7lf, %.7lf elev = %s m alt = %s m") %(float(lon),float(lat),Zeta, lookatRange)
self.iface.mainWindow().statusBar().showMessage(msg)
# lon = ((east - west) / 2) + west
# lat = ((north - south) / 2) + south
if(pony != '0'):
kml = kml + (
' <Placemark>\n'
' <name>Z=%s</name>\n') %(Zeta)
kml = kml + (
' <Snippet maxLines="0"></Snippet>\n'
' <description>\n')
qrCodeUrl = ("http://qrcode.kaywa.com/img.php?s=8&d=%.7f,%.7f,%.2f") %(lat,lon,Zeta)
# http://w3w.co/ corrisponde a https://map.what3words.com/
w3wUrl = ('<a href="https://map.what3words.com/%.7f,%.7f">w3w</a><br>') %(lat,lon)
# w3wUrl = ('<a href="http://w3w.co/%.7f,%.7f" target="_blank"><img width="300" height="100" alt="what3words" src="http://developer.what3words.com/wp-content/uploads/2014/12/w3w_logo_final.png" style="max-height: 44px;"></a><br>') %(lat,lon)
# h ttp://map.project-osrm.org/?z=17¢er=41.210709%2C13.569338&loc=41.210602%2C13.568467&hl=en&alt=0
# osrmUrl = ('<a href="http://map.project-osrm.org/?z=17¢er=%.7f%2C%.7f">W3W</a><br>') %(lat,lon)
# descript = ('<html>lat long H<br><br>%.7f,%.7f,%.2f<br><br><table border=1 style="border-collapse:collapse; border-color:#000000;"cellpadding=0 cellspacing=0 width=250 style="FONT-SIZE: 11px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif;"><tr><td bgcolor="#E3E1CA" align="right"><font COLOR="#FF0000"><b>CODE</b></font></td><td bgcolor="#E4E6CA"> <font COLOR="#008000">') %(lat,lon,Zeta)
# h ttps://citymapper.com/roma/?start=41.901082099999996,12.501135900000008&saddr=Start%20Location&end=41.21271077541033,13.567997962236404&eaddr=End%20Location
# h ttps://www.google.co.uk/maps/dir/%2841.901082099999996,+12.501135900000008%29/%2841.21271077541033,+13.567997962236404%29/@41.5671699,12.555604,9z/data=!3m1!4b1!4m9!4m8!1m3!2m2!1d12.5011359!2d41.9010821!1m3!2m2!1d13.567998!2d41.2127108
descript = ('<html>lat long H<br><br>%.7f,%.7f,%.2f<br><br>%s<table border=1 style="border-collapse:collapse; border-color:#000000;"cellpadding=0 cellspacing=0 width=250 style="FONT-SIZE: 11px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif;"><tr><td bgcolor="#E3E1CA" align="right"><font COLOR="#FF0000"><b>CODE</b></font></td><td bgcolor="#E4E6CA"> <font COLOR="#008000">') %(lat,lon,Zeta,w3wUrl)
qrCodeImg = ('<img alt="" src="%s" /></html>') %(qrCodeUrl)
description = descript + qrCodeImg
kml = kml + ('<![CDATA[%s') %(description)
kml = kml + (']]></description>\n')
kml = kml + (' <Style>\n'
' <Icon>\n'
' <href>http://maps.google.com/mapfiles/kml/shapes/placemark_circle_highlight.png</href>\n'
' </Icon>\n'
' </Style>\n')
kml = kml + (
' <Point>\n'
' <coordinates>%.7f,%.7f,%.2f</coordinates>\n'
' </Point>\n'
' </Placemark>\n') %( lon, lat, Zeta )
# Tag close KML ----
# kml = kml + ('</kml>')
canvas = self.iface.mapCanvas()
mapRenderer = canvas.mapRenderer()
srs = mapRenderer.destinationCrs()
crsSrc = QgsCoordinateReferenceSystem(4326)
crsDest = QgsCoordinateReferenceSystem(srs)
xform = QgsCoordinateTransform(crsSrc, crsDest)
GEraggio = (lookatRange - Zeta) / 2.
raggio = GEraggio
# Calculate QgisViewBox from 3D geoCoords
# print ("raggio = %f") %(raggio)
ilMetroGeo = 0.000011922282515
raggioGeo = raggio * ilMetroGeo
x1Geo = lon - float(raggioGeo)
y1Geo = lat - float(raggioGeo)
x2Geo = lon + float(raggioGeo)
y2Geo = lat + float(raggioGeo)
pt1 = xform.transform(QgsPoint(x1Geo, y1Geo))
pt2 = xform.transform(QgsPoint(x2Geo, y2Geo))
x1 = pt1.x()
y1 = pt1.y()
x2 = pt2.x()
y2 = pt2.y()
box = QgsRectangle(x1, y1, x2, y2)
canvas = self.iface.mapCanvas()
canvas.setExtent(box)
if QGis.QGIS_VERSION_INT >= 20801:
canvas.setRotation(-lookatHeading)
canvas.refresh()
if(pony == '2'):
QGEarth_addPoint(self)
# print 'Content-Type: application/vnd.google-earth.kml+xml\n'
# kml_2 = GDX_Publisher2(self, kml)
# kml = kml + kml_2
kml = kml + ('</kml>')
return str(kml)
def render_POST(self, request):
global lat,lon
global Zeta
global description
stringa = str(request)
stringa = stringa.replace('<GET /form?','')
stringa = stringa.replace(' HTTP/1.1>','')
params = stringa.split('&')
param0 = params[0].replace('p=','')
pony = param0
param1 = params[1].replace('BBOX=','')
bbox = param1.split(',')
west = float(bbox[0])
south = float(bbox[1])
east = float(bbox[2])
north = float(bbox[3])
param2 = params[2].replace('LookatTerrain=','')
LookatTerrain = param2.split(',')
param3 = params[3].replace('terrain=','')
param4 = params[4].replace('CAMERA=','')
param5 = params[5].replace('VIEW=','')
CAMERA = param4.split(',')
lookatLon = float(CAMERA[0])
lookatLat = float(CAMERA[1])
lookatRange = float(CAMERA[2])
lookatTilt = float(CAMERA[3])
lookatHeading = float(CAMERA[4])
lon = float(LookatTerrain[0])
lat = float(LookatTerrain[1])
Zeta = float(LookatTerrain[2])
canvas = self.iface.mapCanvas()
mapRenderer = canvas.mapRenderer()
srs = mapRenderer.destinationCrs()
crsSrc = QgsCoordinateReferenceSystem(4326)
crsDest = QgsCoordinateReferenceSystem(srs)
xform = QgsCoordinateTransform(crsSrc, crsDest)
GEraggio = (lookatRange - Zeta) / 2.
raggio = GEraggio
# Calculate QgisViewBox from 3D geoCoords
# print ("raggio = %f") %(raggio)
ilMetroGeo = 0.000011922282515
raggioGeo = raggio * ilMetroGeo
x1Geo = lon - float(raggioGeo)
y1Geo = lat - float(raggioGeo)
x2Geo = lon + float(raggioGeo)
y2Geo = lat + float(raggioGeo)
pt1 = xform.transform(QgsPoint(x1Geo, y1Geo))
pt2 = xform.transform(QgsPoint(x2Geo, y2Geo))
x1 = pt1.x()
y1 = pt1.y()
x2 = pt2.x()
y2 = pt2.y()
box = QgsRectangle(x1, y1, x2, y2)
canvas = self.iface.mapCanvas()
canvas.setExtent(box)
canvas.refresh()
return ''
root = Resource()
root.putChild("form", FormPage(self.iface, self.plugin_dir))
root.putChild("gaeta", File(webServerDir))
cesiumDir = webServerDir + "cesium/"
root.putChild("cesium", File(cesiumDir))
reactor.listenTCP(5558, server.Site(root))
reactor.run()
#------------------------------------------------------------------------------
# Add the current GEarth point in QGis current drawing function ------------------------------------------
def QGEarth_addPoint(self):
if ( serverStarted == 0) :
# QMessageBox.critical(self.iface.mainWindow(), "You need to startQrCoding, before !!!", "")
self.iface.messageBar().pushMessage("WARNING", "You need to startQrCoding, before !!!", level=QgsMessageBar.WARNING, duration=3)
print ("You need to startQrCoding, before !!!\n")
return
global lat, lon
global Zeta
global description
# print ("QGEarth %f %f") %(lat, lon)
canvas = self.iface.mapCanvas()
layer = canvas.currentLayer()
if layer:
if layer.type() == layer.VectorLayer:
provider = layer.dataProvider()
Edit = layer.isEditable()
if ( Edit == 0 ):
# QMessageBox.critical(self.iface.mainWindow(), "WARNING: Layer not editable", str(layer.name()))
self.iface.messageBar().pushMessage("WARNING", "Layer not editable", level=QgsMessageBar.WARNING, duration=3)
return
srs = layer.crs();
crsSrc = QgsCoordinateReferenceSystem(4326)
crsDest = QgsCoordinateReferenceSystem(srs)
xform = QgsCoordinateTransform(crsSrc, crsDest)
pt = xform.transform(QgsPoint(lon, lat))
gPnt = QgsGeometry.fromPoint(QgsPoint(pt.x(),pt.y()))
# print ("QGEarth %f %f %f %f") %(lat, lon, pt.x(), pt.y())
feature = QgsFeature()
feature.setGeometry( gPnt )
# print ("description = <%s>") %(description)
feature.initAttributes(5)
adesso = str(datetime.datetime.now())
adesso = adesso.replace(" ","_")
adesso = adesso.replace(":","_")
adesso = adesso.replace(".","_")
res = provider.addAttributes( [ QgsField("name", QVariant.String), QgsField("description", QVariant.String), QgsField("DateTime", QVariant.String),QgsField("lat", QVariant.Double), QgsField("lon", QVariant.Double), QgsField("Z", QVariant.String)] )
lat_ = float(lat)
lon_ = float(lon)
# print feature.id()
name = ("%.7f,%.7f,%s") %(lat_, lon_, Zeta)
values = [(name), (description), adesso, lat_, lon_, Zeta]
feature.setAttributes(values)
provider.addFeatures([feature])
layer.updateFields()
layer.updateExtents()
# layer.commitChanges()
canvas.refresh()
else:
self.iface.messageBar().pushMessage("WARNING", "Creating a Point Layer...", level=QgsMessageBar.WARNING, duration=3)
geomType = "Point" + '?crs=proj4:' + QgsProject.instance().readEntry("SpatialRefSys","/ProjectCRSProj4String")[0]
DronePlan = "GEarthView_Points"
memLay = QgsVectorLayer(geomType, DronePlan, 'memory')
provider = memLay.dataProvider()
memLay.updateExtents()
memLay.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(memLay)
# GDX_Publisher --------------------------------------
def GDX_Publisher(self):
# print "GDX_Publisher -------------------------------\n"
mapCanvas = self.iface.mapCanvas()
tumpdir = unicode(QFileInfo(QgsApplication.qgisUserDbFilePath()).path()) + "/python/plugins/gearthview/_WebServer"
adesso = str(datetime.datetime.now())
adesso = adesso.replace(" ","_")
adesso = adesso.replace(":","_")
adesso = adesso.replace(".","_")
# print "adesso: <%s>\n" %(adesso)
# Prendo le coordinate della finestra attuale---------------------------------------
# 13.5702225179249876,41.2134192420407501 : 13.5768356834183166,41.2182110366311107
text = mapCanvas.extent().toString()
text1 = text.replace("," , " ")
text2 = text1.replace(" : ", ",")
# the_filter = "bbox($geometry, geomFromWKT ( 'LINESTRING(" + text2 + ")'))"
# self.doPaste(the_filter)
# HERE IT DELETES THE OLD IMAGE ------------------------------------
# (if you comment these, images still remain ... :)
for filename in glob.glob(str(tumpdir + '/*.png')) :
os.remove( str(filename) )
for filename in glob.glob(str(tumpdir + '/*.pngw')) :
os.remove( str(filename) )
# ------------------------------------------------------------------
tname = 'ZIPPA'
out_folder = tumpdir
kml = codecs.open(out_folder + '/doc.kml', 'w', encoding='utf-8')
# kml=open(out_folder + '/doc.kml', 'w')
#
iface = qgis.utils.iface
if QGis.QGIS_VERSION_INT <= 120200:
mapRenderer = mapCanvas.mapRenderer()
mapRect = mapRenderer.extent()
width = mapRenderer.width()
height = mapRenderer.height()
srs = mapRenderer.destinationCrs()
# OLD version ----------------------------------------------------------
# create output image and initialize it
image = QImage(QSize(width, height), QImage.Format_ARGB32)
image.fill(0)
#adjust map canvas (renderer) to the image size and render
imagePainter = QPainter(image)
zoom = 1
target_dpi = int(round(zoom * mapRenderer.outputDpi()))
mapRenderer.setOutputSize(QSize(width, height), target_dpi)
mapRenderer.render(imagePainter)
imagePainter.end()
# OLD version ----------------------------------------------------------
# NEW version (not working) --------------------------------------------
# image = QImage(QPixmap.grabWidget(self.iface.mapCanvas()))
# NEW version (not working) --------------------------------------------
xN = mapRect.xMinimum()
yN = mapRect.yMinimum()
nomePNG = ("QGisView_%lf_%lf_%s") % (xN, yN, adesso)
input_file = out_folder + "/" + nomePNG + ".png"
#Save the image
image.save(input_file, "png")
else: # ovvero QGis.QGIS_VERSION_INT > 120200
mapRenderer = mapCanvas.mapRenderer()
mapRect = mapRenderer.extent()
width = mapRenderer.width()
height = mapRenderer.height()
srs = mapRenderer.destinationCrs()
xN = mapRect.xMinimum()
yN = mapRect.yMinimum()
mapSettings = QgsMapSettings()
mapSettings.setMapUnits(0)
mapSettings.setExtent(mapRect)
DPI = 300
mapSettings.setOutputDpi(DPI)
mapSettings.setOutputSize(QSize(width, height))
lst = []
layerTreeRoot = QgsProject.instance().layerTreeRoot()
for id in layerTreeRoot.findLayerIds():
node = layerTreeRoot.findLayer(id)
lst.append(id)
mapSettings.setLayers(lst)
mapSettings.setFlags(QgsMapSettings.Antialiasing | QgsMapSettings.UseAdvancedEffects | QgsMapSettings.ForceVectorOutput | QgsMapSettings.DrawLabeling)
image = QImage(QSize(width, height), QImage.Format_RGB32)
image.fill(0)
image.setDotsPerMeterX(DPI / 25.4 * 1000)
image.setDotsPerMeterY(DPI / 25.4 * 1000)
p = QPainter()
p.begin(image)
mapRenderer = QgsMapRendererCustomPainterJob(mapSettings, p)
mapRenderer.start()
mapRenderer.waitForFinished()
p.end()
nomePNG = ("QGisView_%lf_%lf_%s") % (xN, yN, adesso)
input_file = out_folder + "/" + nomePNG + ".png"
#Save the image
image.save(input_file, "png")
# EndIf # QGis.QGIS_VERSION_INT > 120200
layer = mapCanvas.currentLayer()
crsSrc = srs # QgsCoordinateReferenceSystem(layer.crs()) # prendere quello attuale
crsDest = QgsCoordinateReferenceSystem(4326) # Wgs84LLH
xform = QgsCoordinateTransform(crsSrc, crsDest)
x1 = mapRect.xMinimum()
y1 = mapRect.yMinimum()
x2 = mapRect.xMaximum()
y2 = mapRect.yMinimum()
x3 = mapRect.xMaximum()
y3 = mapRect.yMaximum()
x4 = mapRect.xMinimum()
y4 = mapRect.yMaximum()
xc = (x1 + x3) / 2.
yc = (y1 + y3) / 2.
pt1 = xform.transform(QgsPoint(x1, y1))
pt2 = xform.transform(QgsPoint(x2, y2))
pt3 = xform.transform(QgsPoint(x3, y3))
pt4 = xform.transform(QgsPoint(x4, y4))
pt5 = xform.transform(QgsPoint(xc, yc))
xc = pt5.x()
yc = pt5.y()
x1 = pt1.x()
y1 = pt1.y()
x2 = pt2.x()
y2 = pt2.y()
x3 = pt3.x()
y3 = pt3.y()
x4 = pt4.x()
y4 = pt4.y()
#Write kml header
kml.write('<?xml version="1.0" encoding="UTF-8"?>\n')
kml.write('<kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2" xmlns:kml="http://www.opengis.net/kml/2.2" xmlns:atom="http://www.w3.org/2005/Atom">\n')
kml.write(' <Document>\n')
kml.write(' <name>QGisView</name>\n')
kml.write(' <Snippet maxLines="0"></Snippet>\n')
# loc = (" <description><![CDATA[http://map.project-osrm.org/?loc=%.7lf,%.7lf&ly=1784084387]]></description>\n") %(yc, xc)
# loc = (" <description><![CDATA[http://map.project-osrm.org/?z=16¢er=%.7lf,%.7lf&loc=&loc=&hl=en&ly=&alt=&df=&srv=]]></description>\n") %(yc, xc)
loc = (" <description><![CDATA[https://map.what3words.com/%.7lf,%.7lf]]></description>\n") %(yc, xc)
kml.write(loc)
#
# kml.write(' <description>http://map.project-osrm.org/?hl=it&loc=45.989486,12.778154&loc=45.985624,12.781076&z=16¢er=45.984058,12.774417&alt=0&df=0&re=0&ly=-940622518</description>\n')
kml.write(' <open>1</open>\n')
kml.write(' <Style id="sh_style">\n')
kml.write(' <PolyStyle>\n')
kml.write(' <color>7fff8080</color>\n')
kml.write(' </PolyStyle>\n')
kml.write(' </Style>\n')
kml.write(' <StyleMap id="msn_style">\n')
kml.write(' <Pair>\n')
kml.write(' <key>normal</key>\n')
kml.write(' <styleUrl>#sn_style</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' <Pair>\n')
kml.write(' <key>highlight</key>\n')
kml.write(' <styleUrl>#sh_style</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' </StyleMap>\n')
kml.write(' <Style id="sn_style">\n')
kml.write(' <PolyStyle>\n')
kml.write(' <color>00ff8080</color>\n')
kml.write(' <fill>0</fill>\n')
kml.write(' </PolyStyle>\n')
kml.write(' </Style>\n')
kml.write('NEL MEZZO DEL CAMMIN DI NOSTRA VITA 1\n')
kml.write(' <Style id="sh_ylw-pushpin">\n')
kml.write(' <IconStyle>\n')
kml.write(' <scale>1.2</scale>\n')
kml.write(' </IconStyle>\n')
kml.write(' <PolyStyle>\n')
kml.write(' <fill>0</fill>\n')
kml.write(' </PolyStyle>\n')
kml.write(' </Style>\n')
kml.write(' <Style id="sn_ylw-pushpin">\n')
kml.write(' <PolyStyle>\n')
kml.write(' <fill>0</fill>\n')
kml.write(' </PolyStyle>\n')
kml.write(' </Style>\n')
kml.write(' <StyleMap id="msn_ylw-pushpin">\n')
kml.write(' <Pair>\n')
kml.write(' <key>normal</key>\n')
kml.write(' <styleUrl>#sn_ylw-pushpin</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' <Pair>\n')
kml.write(' <key>highlight</key>\n')
kml.write(' <styleUrl>#sh_ylw-pushpin</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' </StyleMap>\n')
kml.write('NEL MEZZO DEL CAMMIN DI NOSTRA VITA 2\n')
kml.write(' <StyleMap id="msn_style">\n')
kml.write(' <Pair>\n')
kml.write(' <key>normal</key>\n')
kml.write(' <styleUrl>#sn_style</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' <Pair>\n')
kml.write(' <key>highlight</key>\n')
kml.write(' <styleUrl>#sh_style</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' </StyleMap>\n')
kml.write('NEL MEZZO DEL CAMMIN DI NOSTRA VITA 3\n')
kml.write(' <Style id="hl">\n')
kml.write(' <IconStyle>\n')
kml.write(' <scale>0.7</scale>\n')
kml.write(' <Icon>\n')
kml.write(' <href>http://maps.google.com/mapfiles/kml/shapes/placemark_circle_highlight.png</href>\n')
kml.write(' </Icon>\n')
kml.write(' </IconStyle>\n')
kml.write(' <LabelStyle>\n')
kml.write(' <scale>0.7</scale>\n')
kml.write(' </LabelStyle>\n')
kml.write(' <ListStyle>\n')
kml.write(' </ListStyle>\n')
kml.write(' </Style>\n')
kml.write(' <Style id="default">\n')
kml.write(' <IconStyle>\n')
kml.write(' <scale>0.7</scale>\n')
kml.write(' <Icon>\n')
kml.write(' <href>http://maps.google.com/mapfiles/kml/shapes/placemark_circle.png</href>\n')
kml.write(' </Icon>\n')
kml.write(' </IconStyle>\n')
kml.write(' <LabelStyle>\n')
kml.write(' <scale>0.7</scale>\n')
kml.write(' </LabelStyle>\n')
kml.write(' <ListStyle>\n')
kml.write(' </ListStyle>\n')
kml.write(' </Style>\n')
kml.write(' <StyleMap id="default0">\n')
kml.write(' <Pair>\n')
kml.write(' <key>normal</key>\n')
kml.write(' <styleUrl>#default</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' <Pair>\n')
kml.write(' <key>highlight</key>\n')
kml.write(' <styleUrl>#hl</styleUrl>\n')
kml.write(' </Pair>\n')
kml.write(' </StyleMap>\n')
kml.write('NEL MEZZO DEL CAMMIN DI NOSTRA VITA 4\n')
rotazio = 0.0
if QGis.QGIS_VERSION_INT >= 20801:
rotazio = -(mapCanvas.rotation())
kml.write(' <Folder>\n')
xc = (x1 + x3) / 2.
yc = (y1 + y3) / 2.