mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-28 00:17:30 -05:00
91 lines
3.1 KiB
Python
91 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
ReprojectLayer.py
|
|
---------------------
|
|
Date : October 2012
|
|
Copyright : (C) 2012 by Alexander Bruy
|
|
Email : alexander dot bruy at gmail dot 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. *
|
|
* *
|
|
***************************************************************************
|
|
"""
|
|
|
|
__author__ = 'Alexander Bruy'
|
|
__date__ = 'October 2012'
|
|
__copyright__ = '(C) 2012, Alexander Bruy'
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
__revision__ = '$Format:%H$'
|
|
|
|
import os.path
|
|
|
|
from PyQt4 import QtGui
|
|
from PyQt4.QtCore import *
|
|
|
|
from qgis.core import *
|
|
|
|
from sextante.core.GeoAlgorithm import GeoAlgorithm
|
|
from sextante.core.QGisLayers import QGisLayers
|
|
from sextante.core.SextanteLog import SextanteLog
|
|
|
|
from sextante.parameters.ParameterVector import ParameterVector
|
|
from sextante.parameters.ParameterCrs import ParameterCrs
|
|
|
|
from sextante.outputs.OutputVector import OutputVector
|
|
|
|
class ReprojectLayer(GeoAlgorithm):
|
|
|
|
INPUT = "INPUT"
|
|
TARGET_CRS = "TARGET_CRS"
|
|
OUTPUT = "OUTPUT"
|
|
|
|
def getIcon(self):
|
|
return QtGui.QIcon(os.path.dirname(__file__) + "/icons/reproject.png")
|
|
|
|
def defineCharacteristics(self):
|
|
self.name = "Reproject layer"
|
|
self.group = "Data management tools"
|
|
|
|
self.addParameter(ParameterVector(self.INPUT, "Input layer", ParameterVector.VECTOR_TYPE_ANY))
|
|
self.addParameter(ParameterCrs(self.TARGET_CRS, "Target CRS", "4326"))
|
|
|
|
self.addOutput(OutputVector(self.OUTPUT, "Reprojected layer"))
|
|
|
|
def processAlgorithm(self, progress):
|
|
layer = QGisLayers.getObjectFromUri(self.getParameterValue(self.INPUT))
|
|
crsId = self.getParameterValue(self.TARGET_CRS)
|
|
targetCrs = QgsCoordinateReferenceSystem(int(crsId))
|
|
|
|
output = self.getOutputValue(self.OUTPUT)
|
|
|
|
writer = self.getOutputFromName(self.OUTPUT).getVectorWriter(layer.pendingFields(),
|
|
layer.wkbType(), targetCrs)
|
|
|
|
layer.select(layer.pendingAllAttributesList())
|
|
|
|
current = 0
|
|
total = 100.0 / float(layer.featureCount())
|
|
|
|
layerCrs = layer.crs()
|
|
crsTransform = QgsCoordinateTransform(layerCrs, targetCrs)
|
|
|
|
f = QgsFeature()
|
|
outFeat = QgsFeature()
|
|
while layer.nextFeature(f):
|
|
geom = f.geometry()
|
|
geom.transform(crsTransform)
|
|
outFeat.setGeometry(geom)
|
|
outFeat.setAttributeMap(f.attributeMap())
|
|
writer.addFeature(outFeat)
|
|
|
|
current += 1
|
|
progress.setPercentage(int(current * total))
|
|
|
|
del writer
|