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bb79d13e82
* Remove deprecated Qgis::WKBType and API cleanup Renames QgsWKBTypes to QgsWkbTypes Replaces usage of the enums: * Qgis::WKBType with QgsWkbTypes::Type * Qgis::GeometryType with QgsWkbTypes::GeometryType Their values should be forward compatible (a fact that was already explited up to now by casting between the types) Renames some SSLxxx to SslXxx and URIxxx to UriXxx * Fix build warnings and simplify type handling * Add a fixer to rewrite imports * The forgotten rebase conflictThe forgotten rebase conflicts * QgsDataSourcURI > QgsDataSourceUri * QgsWKBTypes > QgsWkbTypes * Qgis.WKBGeom > QgsWkbTypes.Geom * Further python fixes * Guess what... Qgis::wkbDimensions != QgsWkbTypes::wkbDimensions * Fix tests * Python 3 updates * [travis] pull request caching cannot be disabled so at least use it in r/w mode * Fix python3 print in plugins
94 lines
3.9 KiB
Python
94 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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PointsLayerFromTable.py
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---------------------
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Date : January 2013
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Copyright : (C) 2013 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'August 2013'
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__copyright__ = '(C) 2013, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from qgis.core import Qgis, QgsWkbTypes
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from qgis.core import QgsCoordinateReferenceSystem
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from qgis.core import QgsFeature
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from qgis.core import QgsGeometry
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from qgis.core import QgsPoint
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from processing.core.GeoAlgorithm import GeoAlgorithm
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from processing.core.parameters import ParameterTable
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from processing.core.parameters import ParameterTableField
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from processing.core.parameters import ParameterCrs
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from processing.core.outputs import OutputVector
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from processing.tools import dataobjects, vector
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class PointsLayerFromTable(GeoAlgorithm):
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INPUT = 'INPUT'
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XFIELD = 'XFIELD'
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YFIELD = 'YFIELD'
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OUTPUT = 'OUTPUT'
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TARGET_CRS = 'TARGET_CRS'
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def defineCharacteristics(self):
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self.name, self.i18n_name = self.trAlgorithm('Points layer from table')
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self.group, self.i18n_group = self.trAlgorithm('Vector creation tools')
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self.addParameter(ParameterTable(self.INPUT,
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self.tr('Input layer')))
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self.addParameter(ParameterTableField(self.XFIELD,
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self.tr('X field'), self.INPUT, ParameterTableField.DATA_TYPE_ANY))
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self.addParameter(ParameterTableField(self.YFIELD,
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self.tr('Y field'), self.INPUT, ParameterTableField.DATA_TYPE_ANY))
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self.addParameter(ParameterCrs(self.TARGET_CRS,
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self.tr('Target CRS'), 'EPSG:4326'))
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self.addOutput(OutputVector(self.OUTPUT, self.tr('Points from table')))
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def processAlgorithm(self, progress):
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source = self.getParameterValue(self.INPUT)
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vlayer = dataobjects.getObjectFromUri(source)
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output = self.getOutputFromName(self.OUTPUT)
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vprovider = vlayer.dataProvider()
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fields = vprovider.fields()
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writer = output.getVectorWriter(fields, QgsWkbTypes.Point, self.crs)
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xfieldindex = vlayer.fieldNameIndex(self.getParameterValue(self.XFIELD))
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yfieldindex = vlayer.fieldNameIndex(self.getParameterValue(self.YFIELD))
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crsId = self.getParameterValue(self.TARGET_CRS)
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targetCrs = QgsCoordinateReferenceSystem()
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targetCrs.createFromUserInput(crsId)
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self.crs = targetCrs
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outFeat = QgsFeature()
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features = vector.features(vlayer)
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total = 100.0 / len(features)
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for current, feature in enumerate(features):
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progress.setPercentage(int(current * total))
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attrs = feature.attributes()
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try:
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x = float(attrs[xfieldindex])
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y = float(attrs[yfieldindex])
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except:
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continue
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pt = QgsPoint(x, y)
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outFeat.setGeometry(QgsGeometry.fromPoint(pt))
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outFeat.setAttributes(attrs)
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writer.addFeature(outFeat)
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del writer
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