2017-08-22 23:36:42 +10:00

76 lines
2.3 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
BoundingBox.py
--------------
Date : July 2016
Copyright : (C) 2016 by Nyall Dawson
Email : nyall dot dawson 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__ = 'Nyall Dawson'
__date__ = 'July 2016'
__copyright__ = '(C) 2016, Nyall Dawson'
# This will get replaced with a git SHA1 when you do a git archive323
__revision__ = '$Format:%H$'
import os
from qgis.core import (QgsGeometry,
QgsWkbTypes,
QgsProcessingException)
from qgis.PyQt.QtGui import QIcon
from processing.algs.qgis.QgisAlgorithm import QgisFeatureBasedAlgorithm
pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
class BoundingBox(QgisFeatureBasedAlgorithm):
def icon(self):
return QIcon(os.path.join(pluginPath, 'images', 'ftools', 'matrix.png'))
def group(self):
return self.tr('Vector geometry')
def __init__(self):
super().__init__()
def name(self):
return 'boundingboxes'
def displayName(self):
return self.tr('Bounding boxes')
def outputName(self):
return self.tr('Bounds')
def outputWkbType(self, inputWkb):
return QgsWkbTypes.Polygon
def processFeature(self, feature, feedback):
input_geometry = feature.geometry()
if input_geometry:
output_geometry = QgsGeometry.fromRect(input_geometry.boundingBox())
if not output_geometry:
raise QgsProcessingException(
self.tr('Error calculating bounding box'))
feature.setGeometry(output_geometry)
return feature