forked from geosim/QAD
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qad_joindisjoin_cmd.py
614 lines (485 loc) · 24.4 KB
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qad_joindisjoin_cmd.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
QAD Quantum Aided Design plugin
comando JOIN e DISJOIN per aggregare e disgregare le geometrie
(multipoint, multilinestring, poligon e multipoligon)
-------------------
begin : 2016-04-06
copyright : iiiii
email : hhhhh
developers : bbbbb aaaaa ggggg
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
"""
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
from qad_generic_cmd import QadCommandClass
from qad_snapper import *
from qad_getpoint import *
from qad_ssget_cmd import QadSSGetClass
from qad_msg import QadMsg
from qad_textwindow import *
import qad_utils
import qad_layer
from qad_variables import *
from qad_entsel_cmd import QadEntSelClass
# Classe che gestisce il comando JOIN
class QadJOINCommandClass(QadCommandClass):
def instantiateNewCmd(self):
""" istanzia un nuovo comando dello stesso tipo """
return QadJOINCommandClass(self.plugIn)
def getName(self):
return QadMsg.translate("Command_list", "JOIN")
def getEnglishName(self):
return "JOIN"
def connectQAction(self, action):
QObject.connect(action, SIGNAL("triggered()"), self.plugIn.runJOINCommand)
def getIcon(self):
return QIcon(":/plugins/qad/icons/join.png")
def getNote(self):
# impostare le note esplicative del comando
return QadMsg.translate("Command_JOIN", "Join existing geometries.")
def __init__(self, plugIn):
QadCommandClass.__init__(self, plugIn)
self.entity = QadEntity()
self.SSGetClass = None
self.entSelClass = None
def __del__(self):
QadCommandClass.__del__(self)
if self.SSGetClass is not None: del self.SSGetClass
def getPointMapTool(self, drawMode = QadGetPointDrawModeEnum.NONE):
if self.step == 1: # quando si é in fase di selezione entità
return self.entSelClass.getPointMapTool(drawMode)
elif self.step == 2: # quando si é in fase di selezione gruppo entità
return self.SSGetClass.getPointMapTool()
else:
return QadCommandClass.getPointMapTool(self, drawMode)
def getCurrentContextualMenu(self):
if self.step == 1: # quando si é in fase di selezione entità
return self.entSelClass.getCurrentContextualMenu()
elif self.step == 2: # quando si é in fase di selezione gruppo entità
return self.SSGetClass.getCurrentContextualMenu()()
else:
return self.contextualMenu
def reinitSSGetClass(self):
if self.SSGetClass is not None: del self.SSGetClass
self.SSGetClass = QadSSGetClass(self.plugIn)
self.SSGetClass.onlyEditableLayers = True
self.SSGetClass.checkDimLayers = False # scarto le quote
geometryType = self.entity.layer.geometryType()
if geometryType == QGis.Point:
self.SSGetClass.checkPointLayer = True
self.SSGetClass.checkLineLayer = False
self.SSGetClass.checkPolygonLayer = False
elif geometryType == QGis.Line:
self.SSGetClass.checkPointLayer = False
self.SSGetClass.checkLineLayer = True
self.SSGetClass.checkPolygonLayer = True
elif geometryType == QGis.Polygon:
self.SSGetClass.checkPointLayer = False
self.SSGetClass.checkLineLayer = True
self.SSGetClass.checkPolygonLayer = True
#============================================================================
# addEntitySetToPoint
#============================================================================
def addEntitySetToPoint(self, entitySet, removeOriginals = True):
"""
Aggiunge il set di entità al punto da modificare
"""
geom = self.entity.getGeometry()
layerList = []
layerList.append(self.entity.layer)
for layerEntitySet in entitySet.layerEntitySetList:
layer = layerEntitySet.layer
if layer.geometryType() != QGis.Point:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
if removeOriginals: layerList.append(layer)
coordTransform = QgsCoordinateTransform(layer.crs(), self.entity.layer.crs())
for featureId in layerEntitySet.featureIds:
# se la feature è quella di entity è errore
if layer.id() == self.entity.layerId() and featureId == self.entity.featureId:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = layerEntitySet.getFeature(featureId)
# trasformo la geometria nel crs del layer dell'entità da modificare
geomToAdd = f.geometry()
geomToAdd.transform(coordTransform)
simplifiedGeoms = qad_utils.asPointOrPolyline(geomToAdd)
for simplifiedGeom in simplifiedGeoms:
point = simplifiedGeom.asPoint()
# aggiungo una parte
if geom.addPart([point]) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = self.entity.getFeature()
f.setGeometry(geom)
layerList = entitySet.getLayerList()
layerList.append(self.entity.layer)
self.plugIn.beginEditCommand("Feature edited", layerList)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn, self.entity.layer, f, False, False) == False:
self.plugIn.destroyEditCommand()
return False
if removeOriginals:
for layerEntitySet in entitySet.layerEntitySetList:
if qad_layer.deleteFeaturesToLayer(self.plugIn, layerEntitySet.layer, layerEntitySet.featureIds, False) == False:
self.plugIn.destroyEditCommand()
return
self.plugIn.endEditCommand()
return True
#============================================================================
# addEntitySetToPolyline
#============================================================================
def addEntitySetToPolyline(self, entitySet, removeOriginals = True):
"""
Aggiunge il set di entità alla polilinea da modificare
"""
geom = self.entity.getGeometry()
layerList = []
layerList.append(self.entity.layer)
for layerEntitySet in entitySet.layerEntitySetList:
layer = layerEntitySet.layer
if layer.geometryType() != QGis.Polygon and layer.geometryType() != QGis.Line:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
if removeOriginals: layerList.append(layer)
coordTransform = QgsCoordinateTransform(layer.crs(), self.entity.layer.crs())
for featureId in layerEntitySet.featureIds:
# se la feature è quella di entity è errore
if layer.id() == self.entity.layerId() and featureId == self.entity.featureId:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = layerEntitySet.getFeature(featureId)
# trasformo la geometria nel crs del layer dell'entità da modificare
geomToAdd = f.geometry()
geomToAdd.transform(coordTransform)
# Riduco la geometria in point o polyline
simplifiedGeoms = qad_utils.asPointOrPolyline(geomToAdd)
for simplifiedGeom in simplifiedGeoms:
points = simplifiedGeom.asPolyline() # vettore di punti
# aggiungo una parte
if geom.addPart(points) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = self.entity.getFeature()
f.setGeometry(geom)
layerList = entitySet.getLayerList()
layerList.append(self.entity.layer)
self.plugIn.beginEditCommand("Feature edited", layerList)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn, self.entity.layer, f, False, False) == False:
self.plugIn.destroyEditCommand()
return False
if removeOriginals:
for layerEntitySet in entitySet.layerEntitySetList:
if qad_layer.deleteFeaturesToLayer(self.plugIn, layerEntitySet.layer, layerEntitySet.featureIds, False) == False:
self.plugIn.destroyEditCommand()
return
self.plugIn.endEditCommand()
return True
#============================================================================
# addEntitySetToPolygon
#============================================================================
def addEntitySetToPolygon(self, entitySet, removeOriginals = True):
"""
Aggiunge il set di entità al poligono da modificare
"""
geom = self.entity.getGeometry()
layerList = []
layerList.append(self.entity.layer)
for layerEntitySet in entitySet.layerEntitySetList:
layer = layerEntitySet.layer
if layer.geometryType() != QGis.Polygon and layer.geometryType() != QGis.Line:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
if removeOriginals: layerList.append(layer)
coordTransform = QgsCoordinateTransform(layer.crs(), self.entity.layer.crs())
for featureId in layerEntitySet.featureIds:
# se la feature è quella di entity è errore
if layer.id() == self.entity.layerId() and featureId == self.entity.featureId:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = layerEntitySet.getFeature(featureId)
# trasformo la geometria nel crs del layer del poligono da modificare
geomToAdd = f.geometry()
geomToAdd.transform(coordTransform)
# se il poligono è contenuto nella geometria da aggiungere
if geomToAdd.contains(geom):
# Riduco la geometria in point o polyline
simplifiedGeoms = qad_utils.asPointOrPolyline(geom)
# deve essere un poligono senza ring
if len(simplifiedGeoms) != 1 or simplifiedGeoms[0].wkbType() != QGis.WKBLineString:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
points = simplifiedGeoms[0].asPolyline() # vettore di punti
# aggiungo un'isola
if geomToAdd.addRing(points) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
del geom
geom = QgsGeometry.fromPolygon(geomToAdd.asPolygon())
else: # se il poligono non è contenuto nella geometria da aggiungere
# Riduco la geometria in point o polyline
simplifiedGeoms = qad_utils.asPointOrPolyline(geomToAdd)
for simplifiedGeom in simplifiedGeoms:
points = simplifiedGeom.asPolyline() # vettore di punti
# se la geometria da aggiungere è contenuta nel poligono
if geom.contains(QgsGeometry.fromPolyline(points)):
# aggiungo un'isola
if geom.addRing(points) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
else:
# aggiungo una parte
if geom.addPart(points) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = self.entity.getFeature()
f.setGeometry(geom)
layerList = entitySet.getLayerList()
layerList.append(self.entity.layer)
self.plugIn.beginEditCommand("Feature edited", layerList)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn, self.entity.layer, f, False, False) == False:
self.plugIn.destroyEditCommand()
return False
if removeOriginals:
for layerEntitySet in entitySet.layerEntitySetList:
if qad_layer.deleteFeaturesToLayer(self.plugIn, layerEntitySet.layer, layerEntitySet.featureIds, False) == False:
self.plugIn.destroyEditCommand()
return
self.plugIn.endEditCommand()
return True
#============================================================================
# waitForEntsel
#============================================================================
def waitForEntsel(self, msgMapTool, msg):
if self.entSelClass is not None:
del self.entSelClass
self.step = 1
self.entSelClass = QadEntSelClass(self.plugIn)
self.entSelClass.msg = QadMsg.translate("Command_JOIN", "Select object to join to: ")
# scarto la selezione di quote
self.entSelClass.checkDimLayers = False
self.entSelClass.onlyEditableLayers = True
self.entSelClass.deselectOnFinish = True
self.entSelClass.run(msgMapTool, msg)
#============================================================================
# waitForSSsel
#============================================================================
def waitForSSsel(self, msgMapTool, msg):
self.reinitSSGetClass()
self.step = 2
self.showMsg(QadMsg.translate("Command_JOIN", "\nSelect objects to join: "))
self.SSGetClass.run(msgMapTool, msg)
def run(self, msgMapTool = False, msg = None):
if self.plugIn.canvas.mapSettings().destinationCrs().geographicFlag():
self.showMsg(QadMsg.translate("QAD", "\nThe coordinate reference system of the project must be a projected coordinate system.\n"))
return True # fine comando
if self.step == 0:
self.waitForEntsel(msgMapTool, msg) # seleziona l'oggetto a cui aggregarsi
return False # continua
#=========================================================================
# RISPOSTA ALLA SELEZIONE ENTITA' DA MODIFICARE
elif self.step == 1:
if self.entSelClass.run(msgMapTool, msg) == True:
if self.entSelClass.entity.isInitialized():
self.entity.set(self.entSelClass.entity)
self.waitForSSsel(msgMapTool, msg)
else:
if self.entSelClass.canceledByUsr == True: # fine comando
return True
self.showMsg(QadMsg.translate("QAD", "No geometries in this position."))
self.waitForEntsel(msgMapTool, msg)
return False # continua
#=========================================================================
# RISPOSTA ALLA RICHIESTA DEL GRUPPO DI SELEZIONE (da step = 1)
elif self.step == 2:
if self.SSGetClass.run(msgMapTool, msg) == True:
if self.SSGetClass.entitySet.count() > 0:
geometryType = self.entity.layer.geometryType()
if geometryType == QGis.Point:
self.addEntitySetToPoint(self.SSGetClass.entitySet)
elif geometryType == QGis.Line:
self.addEntitySetToPolyline(self.SSGetClass.entitySet)
elif geometryType == QGis.Polygon:
self.addEntitySetToPolygon(self.SSGetClass.entitySet)
return True
self.waitForSSsel(msgMapTool, msg)
return False
# Classe che gestisce il comando DISJOIN
class QadDISJOINCommandClass(QadCommandClass):
def instantiateNewCmd(self):
""" istanzia un nuovo comando dello stesso tipo """
return QadDISJOINCommandClass(self.plugIn)
def getName(self):
return QadMsg.translate("Command_list", "DISJOIN")
def getEnglishName(self):
return "DISJOIN"
def connectQAction(self, action):
QObject.connect(action, SIGNAL("triggered()"), self.plugIn.runDISJOINCommand)
def getIcon(self):
return QIcon(":/plugins/qad/icons/disjoin.png")
def getNote(self):
# impostare le note esplicative del comando
return QadMsg.translate("Command_DISJOIN", "Disjoin existing geometries.")
def __init__(self, plugIn):
QadCommandClass.__init__(self, plugIn)
self.entity = QadEntity()
self.SSGetClass = QadSSGetClass(plugIn)
self.SSGetClass.onlyEditableLayers = False
self.SSGetClass.checkDimLayers = False # scarto le quote
self.entSelClass = None
self.currSubGeom = None
self.currAtSubGeom = None
def __del__(self):
QadCommandClass.__del__(self)
del self.SSGetClass
def getPointMapTool(self, drawMode = QadGetPointDrawModeEnum.NONE):
if self.step == 1: # quando si é in fase di selezione entità
return self.entSelClass.getPointMapTool(drawMode)
else:
return QadCommandClass.getPointMapTool(self, drawMode)
def getCurrentContextualMenu(self):
if self.step == 1: # quando si é in fase di selezione entità
return self.entSelClass.getCurrentContextualMenu()
else:
return self.contextualMenu
#============================================================================
# setCurrentSubGeom
#============================================================================
def setCurrentSubGeom(self, entSelClass):
"""
Setta la sottogeometria corrente
"""
self.currSubGeom = None
self.currAtSubGeom = None
# verifico che sia stata selezionata un'entità
if entSelClass.entity.isInitialized() == False:
self.showMsg(QadMsg.translate("QAD", "No geometries in this position."))
return False
# verifico che sia stata selezionata attraverso un punto
# (per capire quale sottogeometria è stata selezionata)
if entSelClass.point is None: return False
self.entity.set(entSelClass.entity)
geom = self.layerToMapCoordinates(entSelClass.entity.layer, entSelClass.entity.getGeometry())
# ritorna una tupla (<The squared cartesian distance>,
# <minDistPoint>
# <afterVertex>
# <leftOf>)
dummy = qad_utils.closestSegmentWithContext(entSelClass.point, geom)
if dummy[2] is None:
return False
# ritorna la sotto-geometria al vertice <atVertex> e la sua posizione nella geometria (0-based)
self.currSubGeom, self.currAtSubGeom = qad_utils.getSubGeomAtVertex(geom, dummy[2])
if self.currSubGeom is None or self.currAtSubGeom is None:
self.currSubGeom = None
self.currAtSubGeom = None
return False
return True
#============================================================================
# disjoinCurrentSubGeomToPolygon
#============================================================================
def disjoinCurrentSubGeomToPolygon(self):
"""
Sconnette la sotto-geometria corrente del poligono da modificare creando una nuova entità
"""
layer = self.entity.layer
# la posizione é espressa con una lista (<index ogg. princ> [<index ogg. sec.>])
part = self.currAtSubGeom[0]
ring = self.currAtSubGeom[1] if len(self.currAtSubGeom) == 2 else None
geom = self.entity.getGeometry()
wkbType = geom.wkbType()
if wkbType == QGis.WKBMultiPoint or wkbType == QGis.WKBMultiLineString:
if geom.deletePart(part) == False: # disgrego una parte
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = self.mapToLayerCoordinates(layer, self.currSubGeom)
elif wkbType == QGis.WKBPolygon or wkbType == QGis.WKBMultiPolygon:
if ring is not None: # disgrego un'isola
if geom.deleteRing(ring + 1, part) == False: # cancello una isola (Ring 0 is outer ring and can't be deleted)
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = QgsGeometry.fromPolygon([self.mapToLayerCoordinates(layer, self.currSubGeom).asPolyline()])
else: # disgrego una parte
if wkbType == QGis.WKBPolygon:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
newGeom = QgsGeometry.fromPolygon([self.mapToLayerCoordinates(layer, self.currSubGeom).asPolyline()])
ring = 0
ringGeom = qad_utils.getSubGeomAt(geom, [part, ring])
# se la parte ha delle isole
while ringGeom is not None:
# aggiungo un'isola
points = ringGeom.asPolyline() # vettore di punti
if newGeom.addRing(points) != 0: # 0 in case of success
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
ring = ring + 1
ringGeom = qad_utils.getSubGeomAt(geom, [part, ring])
if geom.deletePart(part) == False: # cancello una parte
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
else:
self.showMsg(QadMsg.translate("QAD", "Invalid object."))
return False
f = self.entity.getFeature()
f.setGeometry(geom)
self.plugIn.beginEditCommand("Feature edited", self.entity.layer)
# plugIn, layer, feature, refresh, check_validity
if qad_layer.updateFeatureToLayer(self.plugIn, self.entity.layer, f, False, False) == False:
self.plugIn.destroyEditCommand()
return False
# Aggiungo nuova feature
newF = QgsFeature(f)
newF.setGeometry(newGeom)
if qad_layer.addFeatureToLayer(self.plugIn, self.entity.layer, newF, None, False, False) == False:
self.plugIn.destroyEditCommand()
return False
self.plugIn.endEditCommand()
return True
#============================================================================
# waitForEntsel
#============================================================================
def waitForEntsel(self, msgMapTool, msg):
if self.entSelClass is not None:
del self.entSelClass
self.step = 1
self.entSelClass = QadEntSelClass(self.plugIn)
self.entSelClass.msg = QadMsg.translate("Command_DISJOIN", "Select object to disjoin: ")
# scarto la selezione di quote
self.entSelClass.checkDimLayers = False
self.entSelClass.onlyEditableLayers = True
self.entSelClass.deselectOnFinish = True
self.entSelClass.run(msgMapTool, msg)
def run(self, msgMapTool = False, msg = None):
if self.plugIn.canvas.mapSettings().destinationCrs().geographicFlag():
self.showMsg(QadMsg.translate("QAD", "\nThe coordinate reference system of the project must be a projected coordinate system.\n"))
return True # fine comando
if self.step == 0:
self.waitForEntsel(msgMapTool, msg) # seleziona l'oggetto da disgregare
return False # continua
#=========================================================================
# RISPOSTA ALLA SELEZIONE ENTITA' DA MODIFICARE
elif self.step == 1:
if self.entSelClass.run(msgMapTool, msg) == True:
if self.setCurrentSubGeom(self.entSelClass) == True:
if self.disjoinCurrentSubGeomToPolygon() == True:
return True
else:
if self.entSelClass.canceledByUsr == True: # fine comando
return True
self.showMsg(QadMsg.translate("QAD", "No geometries in this position."))
self.waitForEntsel(msgMapTool, msg)
return False # continua