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rasmover.py
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rasmover.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
rasmover
A QGIS plugin
rasmover
-------------------
begin : 2014-03-24
copyright : (C) 2014 by geodrinx
email : [email protected]
Roberto (BobMaX) Angeletti 2014-03-24 idea and first version
Giovanni Manghi 2014-12-17 fix installation on Linux, fix bug on Windows when using some projections
***************************************************************************/
/***************************************************************************
* *
* 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 *
from qgis.utils import *
# Initialize Qt resources from file resources.py
import resources_rc
# Import the code for the dialog
from rasmoverdialog import rasmoverDialog
import os.path
import math
import sys, itertools, os, glob, subprocess, zipfile, zlib, tempfile
import platform
import string
import subprocess
try:
from osgeo import gdal
from sys import platform as _platform
except ImportError:
import gdal
rb=QgsRubberBand(iface.mapCanvas(),QGis.Point )
rl=QgsRubberBand(iface.mapCanvas(),QGis.Line )
premuto= False
linea=False
point0=iface.mapCanvas().getCoordinateTransform().toMapCoordinates(0, 0)
point1=iface.mapCanvas().getCoordinateTransform().toMapCoordinates(0, 0)
class rasmover:
def __init__(self, iface):
# Save reference to the QGIS interface
self.iface = iface
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value("locale/userLocale")[0:2]
localePath = os.path.join(self.plugin_dir, 'i18n', 'rasmover_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Create the dialog (after translation) and keep reference
self.dlg = rasmoverDialog()
def initGui(self):
# Create action that will start plugin configuration
self.action = QAction(
QIcon(":/plugins/rasmover/icon.png"),
u"rasmover", self.iface.mainWindow())
# connect the action to the run method
self.action.triggered.connect(self.run)
# Add toolbar button and menu item
self.iface.addToolBarIcon(self.action)
self.iface.addPluginToMenu(u"&rasmover", self.action)
def unload(self):
# Remove the plugin menu item and icon
self.iface.removePluginMenu(u"&rasmover", self.action)
self.iface.removeToolBarIcon(self.action)
# run method that performs all the real work
def run(self):
tool = PointTool(self.iface.mapCanvas())
self.iface.mapCanvas().setMapTool(tool)
class PointTool(QgsMapTool):
def __init__(self, canvas):
QgsMapTool.__init__(self, canvas)
self.canvas = canvas
def canvasPressEvent(self, event):
x = event.pos().x()
y = event.pos().y()
global rb ,premuto ,point0
if not premuto:
premuto=True
rb=QgsRubberBand(iface.mapCanvas(),QGis.Point )
rb.setColor ( Qt.red )
point0 = self.canvas.getCoordinateTransform().toMapCoordinates(x, y)
rb.addPoint(point0)
def canvasMoveEvent(self, event):
x = event.pos().x()
y = event.pos().y()
global premuto,point0,point1,linea,rl
if premuto:
if not linea:
rl.setColor ( Qt.red )
poin1 = self.canvas.getCoordinateTransform().toMapCoordinates(x, y)
rl.addPoint(point0)
rl.addPoint(point1)
linea=True
else:
if linea:
point1 = self.canvas.getCoordinateTransform().toMapCoordinates(x, y)
rl.reset(QGis.Line)
rl.addPoint(point0)
rl.addPoint(point1)
def canvasReleaseEvent(self, event):
global premuto,linea,rb,rl,point1,point0
angle = math.atan2(point1.x() - point0.x(), point1.y() - point0.y())
angle = math.degrees(angle)if angle>0 else (math.degrees(angle) + 180)+180
premuto=False
linea=False
actual_crs = self.canvas.mapRenderer().destinationCrs()
crsDest = QgsCoordinateReferenceSystem(4326) # WGS 84 / UTM zone 33N
xform = QgsCoordinateTransform(actual_crs, crsDest)
pt1 = xform.transform(point0)
dbName = os.getenv("HOME")+'/.qgis2/python/plugins/rasmover/temp/coords'
dx = point1.x() - point0.x()
dy = point1.y() - point0.y()
line = ""
f2 = open(dbName+'.csv', 'w')
f2.write("dx,dy\n")
line = ("%lf") %( dx )
line = ("%s,%lf\n") %( line, dy )
f2.write(line)
f2.close()
out_folder = os.getenv("HOME")+'/.qgis2/python/plugins/rasmover/temp'
if _platform == "win32":
out_folder = out_folder.replace("\\","/")
# print("%s\n") %(out_folder)
listaRaster = out_folder + '/lista.txt'
f5 = open( listaRaster, 'w' )
toglimi = 0
for iLayer in range(self.canvas.layerCount()):
layer = self.canvas.layer(iLayer)
if layer.type() == layer.RasterLayer:
if (layer.name() == "moved"):
toglimi = layer.id()
else:
fileIMAGE = str(layer.source())
scrivimi = ("%s\n") %(fileIMAGE)
f5.write( scrivimi )
if (toglimi != 0):
QgsMapLayerRegistry.instance().removeMapLayer(toglimi)
#print("HO TOLTO %s\n") %("moved")
f5.close()
fileVRT = ("%s") %(out_folder + '/original.vrt')
subprocess.call([ "gdalbuildvrt", fileVRT, "-input_file_list", listaRaster ])
if _platform == "win32":
fileVRT = fileVRT.replace("/","\\")
f1 = open(fileVRT, 'r')
f2 = open(out_folder + '/moved.vrt', 'w')
for line in f1:
stringa = line
if(string.find(stringa,"<GeoTransform>") <> -1):
words1 = stringa.replace(">-","> -");
words2 = words1.replace(",-",", -");
words3 = words2.split();
# print("%s") %( words[1].replace(",","") )
# print("%s") %( words[4].replace(",","") )
coordX = words3[1].replace(",","")
coordY = words3[4].replace(",","")
X = float( coordX ) + dx
Y = float( coordY ) + dy
stringazza = " <GeoTransform>"
stringazza = ("%s %lf, ") %( stringazza, X )
stringazza = ("%s %s") %( stringazza, words3[2] )
stringazza = ("%s %s") %( stringazza, words3[3] )
stringazza = ("%s %lf,") %( stringazza, Y )
stringazza = ("%s %s ") %( stringazza, words3[5] )
stringazza = ("%s %s ") %( stringazza, words3[6] )
f2.write(stringazza)
else:
f2.write(stringa)
f2.close()
f1.close()
rl.reset()
rb.reset()
fileName = out_folder + '/moved.vrt'
fileInfo = QFileInfo(fileName)
baseName = fileInfo.baseName()
rlayer = QgsRasterLayer(fileName, baseName)
if not rlayer.isValid():
print "Layer failed to load!"
QgsMapLayerRegistry.instance().addMapLayer(rlayer)
def activate(self):
pass
def deactivate(self):
pass
def isZoomTool(self):
return False
def isTransient(self):
return False
def isEditTool(self):
return True