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fxcc2qgis.py
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fxcc2qgis.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
"""
/***************************************************************************
fxcc2Qgis
A QGIS plugin
prueba
-------------------
begin : 2014-02-25
copyright : (C) 2014 by Francisco Pérez Sampayo
email : fpsampayo@gmail.com
***************************************************************************/
/***************************************************************************
* *
* 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 QgsVectorLayer
from qgis.core import *
# Initialize Qt resources from file resources.py
import resources_rc
# Import the code for the dialog
from gui.fxcc2qgisdialog import fxcc2QgisDialog
import os.path
import re
try:
from shapely.wkt import dumps, loads
from shapely.ops import polygonize
except:
print "Este plugin necesita el módulo Shapely para poder funcionar."
try:
from osgeo import ogr
except:
import ogr
class fxcc2Qgis:
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', 'fxcc2qgis_{}.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 = fxcc2QgisDialog()
def initGui(self):
# Create action that will start plugin configuration
self.action = QAction(
QIcon(":/plugins/fxcc2qgis/icon.png"),
u"fxcc2Qgis", 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"&fxcc2Qgis", self.action)
QObject.connect(self.dlg.btnSeleccionarRuta, SIGNAL("clicked()"), self.dlg.seleccionaDirectorio)
QObject.connect(self.dlg.btnSeleccionarCrs, SIGNAL("clicked()"), self.dlg.seleccionaCrs)
QObject.connect(self.dlg.buttonBox, SIGNAL("accepted()"), self.dlg.validateFields)
def unload(self):
# Remove the plugin menu item and icon
self.iface.removePluginMenu(u"&fxcc2Qgis", self.action)
self.iface.removeToolBarIcon(self.action)
def generaCapaParcela(self, dxfs_parcela):
#Creamos la capa en memoria
ml = QgsVectorLayer("Polygon", "PARCELA", "memory")
pr = ml.dataProvider()
#Creamos los campos de la capa
pr.addAttributes( [ QgsField("refcat", QVariant.String) ] )
pr.addAttributes( [ QgsField("cod_via", QVariant.String) ] )
pr.addAttributes( [ QgsField("sg_via", QVariant.String) ] )
pr.addAttributes( [ QgsField("nombre_via", QVariant.String) ] )
pr.addAttributes( [ QgsField("num", QVariant.String) ] )
pr.addAttributes( [ QgsField("dup", QVariant.String) ] )
pr.addAttributes( [ QgsField("anio_exp", QVariant.String) ] )
pr.addAttributes( [ QgsField("num_exp", QVariant.String) ] )
pr.addAttributes( [ QgsField("entidad_exp", QVariant.String) ] )
ml.updateFields()
for parcela in dxfs_parcela:
try:
#print "Generando la capa parcela de la referencia: " + parcela
featuresExternas = dxfs_parcela[parcela][0]
datos_asc = dxfs_parcela[parcela][1]
#Procesamos las features del dxf (lineas) y las unimos en una única geometría
geometry_out = None
for feature in featuresExternas:
geometry_in = feature.GetGeometryRef()
if geometry_out is None:
geometry_out = geometry_in
geometry_out = ogr.ForceToMultiLineString(geometry_out)
else:
geometry_out = geometry_out.Union(geometry_in)
#Convertimos la geometría de tipo linea en polígono
geometryPoly = ogr.BuildPolygonFromEdges(geometry_out, dfTolerance = 0)
geometryPolyWkt = geometryPoly.ExportToWkt()
#Generamos la lista que contendrá los atributos de la feature
atributos = []
atributos.append(parcela)
atributos.extend(datos_asc)
#Creamos la feature y le seteamos la geometría y sus atributos
fet = QgsFeature()
fet.setGeometry(QgsGeometry.fromWkt(geometryPolyWkt))
fet.setAttributes(atributos)
#Añadimos la feature al data provider
pr.addFeatures([fet])
except:
pass
#print u"Se encontró algún error generando la parcela " + parcela
ml.loadNamedStyle(self.plugin_dir + '/styles/parcela.qml')
ml.setCrs(QgsCoordinateReferenceSystem(self.dlg.cmpCrs.text()))
QgsMapLayerRegistry.instance().addMapLayer(ml)
ml.updateExtents()
def generaCapaConstru(self, dxfs_constru):
#Creamos la capa de memoria
ml = QgsVectorLayer("Polygon", "CONTRUCCION", "memory")
pr = ml.dataProvider()
#Creamos los campos de la capa
pr.addAttributes( [ QgsField("refcat", QVariant.String) ] )
pr.addAttributes( [ QgsField("rotulo", QVariant.String) ] )
pr.addAttributes( [ QgsField("cod_via", QVariant.String) ] )
pr.addAttributes( [ QgsField("sg_via", QVariant.String) ] )
pr.addAttributes( [ QgsField("nombre_via", QVariant.String) ] )
pr.addAttributes( [ QgsField("num", QVariant.String) ] )
pr.addAttributes( [ QgsField("dup", QVariant.String) ] )
pr.addAttributes( [ QgsField("anio_exp", QVariant.String) ] )
pr.addAttributes( [ QgsField("num_exp", QVariant.String) ] )
pr.addAttributes( [ QgsField("entidad_exp", QVariant.String) ] )
ml.updateFields()
for parcela in dxfs_constru:
featuresExternas = dxfs_constru[parcela][0]
featuresInternas = dxfs_constru[parcela][1]
featuresCentroide = dxfs_constru[parcela][2]
datos_asc = dxfs_constru[parcela][3]
atributos = []
centroides = []
for centroide in featuresCentroide:
punto = ogr.Geometry(type = 1)
rotulo = centroide[0]
x = centroide[1]
y = centroide[2]
punto.SetPoint(point = 0, x = float(x), y = float(y))
centroides.append((rotulo, punto))
featuresProceso = featuresExternas + featuresInternas
features = []
if len(featuresProceso) > 1:
geometry_out = None
for inFeature in featuresProceso:
geometry_in = inFeature.GetGeometryRef()
if geometry_out is None:
geometry_out = geometry_in
geometry_out = ogr.ForceToMultiLineString(geometry_out)
else:
geometry_out = geometry_out.Union(geometry_in)
lineasInternasShapely = loads(geometry_out.ExportToWkt())
polygonsShapely = polygonize(lineasInternasShapely)
polygonGeom = []
for polygon in polygonsShapely:
polygonGeom.append(ogr.CreateGeometryFromWkt(dumps(polygon)))
for pol in polygonGeom:
for cen in centroides:
if pol.Contains(cen[1]):
geometryPolyWkt = pol.ExportToWkt()
fet = QgsFeature()
fet.setGeometry(QgsGeometry.fromWkt(geometryPolyWkt))
atributos = []
atributos.append(parcela)
atributos.append(cen[0])
atributos.extend(datos_asc)
fet.setAttributes(atributos)
features.append(fet)
else:
geometryPoly = ogr.BuildPolygonFromEdges(ogr.ForceToMultiLineString(featuresProceso[0].GetGeometryRef()), dfTolerance = 0)
geometryPolyWkt = geometryPoly.ExportToWkt()
fet = QgsFeature()
fet.setGeometry(QgsGeometry.fromWkt(geometryPolyWkt))
atributos.append(parcela)
atributos.append(centroides[0][0])
atributos.extend(datos_asc)
fet.setAttributes(atributos)
features.append(fet)
pr.addFeatures(features)
ml.loadNamedStyle(self.plugin_dir + '/styles/constru.qml')
ml.setCrs(QgsCoordinateReferenceSystem(self.dlg.cmpCrs.text()))
QgsMapLayerRegistry.instance().addMapLayer(ml)
ml.updateExtents()
def procesaAsc(self, fichero):
try:
inFile = open(fichero, 'r')
lineas = inFile.read().splitlines()
inFile.close()
except:
print "Error abriendo el fichero ASC"
pass
cod_via = lineas[4]
sg_via = lineas[5]
nombre_via = lineas[6]
num = lineas[7]
dup = lineas[8]
try:
linea_exp = lineas.index("EXPEDIENTE")
anoExp = lineas[linea_exp + 1]
numExp = lineas[linea_exp + 2]
entExp = lineas[linea_exp + 3]
except:
#print "El FXCC no tiene expediente asociado."
anoExp = "0"
numExp = "0"
entExp = "0"
return [cod_via, sg_via, nombre_via, num, dup, anoExp, numExp, entExp]
def procesaDxf(self, ficheros):
#probando la carga de fxcc
dxfs_parcela = {}
dxfs_constru = {}
#Pasamos a procesar los dxf uno a uno
for dxf in ficheros:
nombreDxf = os.path.splitext(os.path.basename(dxf))[0]
#print "Se selecciona el fichero: " + unicode(dxf)
#print "Referencia catastral: " + nombreDxf
driverIn = ogr.GetDriverByName('DXF')
dataSource = driverIn.Open(dxf, 0)
dataSource.ExecuteSQL("SELECT * FROM entities WHERE Layer = 'PG-LP' OR Layer = 'PG-LI'")
layerIn = dataSource.GetLayer()
totalRegistros = layerIn.GetFeatureCount()
#print "Total registros: " + unicode(totalRegistros)
layerIn.ResetReading()
inFeature = layerIn.GetNextFeature()
#Recolectamos las features del dxf para poder procesarlas más adelante
featuresExternas = []
featuresInternas = []
outFeature = []
cnt = 0
while inFeature:
nombreCapa = inFeature.GetFieldAsString('Layer')
if nombreCapa == 'PG-LP':
featuresExternas.append(inFeature)
elif nombreCapa == 'PG-LI':
featuresInternas.append(inFeature)
cnt = cnt + 1
if cnt < totalRegistros:
inFeature = layerIn.GetNextFeature()
else:
break
#Hacemos segunda pasada para recuperar los textos de rotulo del dxf a pelo
inFile = open(dxf)
lineas = inFile.read().splitlines()
inFile.close()
centroides = []
index = 0
for line in lineas:
line = line
if line == 'TEXT':
if lineas[index + 2] == 'PG-AA':
rotulo = None
for l in range(30):
linea = lineas[index + l]
p_rot = re.compile('\s*\s1$')
p_cox = re.compile('\s*\s11$')
p_coy = re.compile('\s*\s21$')
#if linea == ' 1':
if p_rot.match(linea):
if not rotulo:
rotulo = lineas[index + l + 1]
#if linea == ' 11':
if p_cox.match(linea):
coordx = lineas[index + l + 1]
#if linea == ' 21':
if p_coy.match(linea):
coordy = lineas[index + l + 1]
break
centroides.append([rotulo, coordx, coordy])
#print rotulo + "[" + coordx + ", " + coordy + "]"
index += 1
#Procesamos el fichero alfanumérico
asc = dxf.replace(".dxf", ".asc").replace(".DXF", ".ASC")
try:
datos_asc = self.procesaAsc(asc)
#Almacenamos las features de cada dxf
dxfs_parcela[nombreDxf] = (featuresExternas, datos_asc)
dxfs_constru[nombreDxf] = (featuresExternas, featuresInternas, centroides, datos_asc)
except:
print "FXCC " + nombreDxf + "Incompleto"
pass
#Pasamos todas las features recolectadas a las funciones encargadas de generar las capas
self.generaCapaConstru(dxfs_constru)
self.generaCapaParcela(dxfs_parcela)
def buscaDxf(self, baseDir):
matches = []
for root, dirnames, filenames in os.walk(baseDir):
for filename in filenames:
if os.path.splitext(filename)[1] == '.dxf' or \
os.path.splitext(filename)[1] == '.DXF':
matches.append(os.path.join(root, filename))
return matches
# run method that performs all the real work
def run(self):
# show the dialog
self.dlg.show()
# Run the dialog event loop
result = self.dlg.exec_()
#self.prueba()
# See if OK was pressed
if result == 1:
file = self.dlg.cmpRuta.text()
if file != "":
#print "Se selecciona el directorio: " + unicode(file)
ficheros = self.buscaDxf(file)
self.procesaDxf(ficheros)
self.iface.zoomFull()