1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
# -*- coding: utf-8 -*-
"""
***************************************************************************
DensifyGeometriesInterval.py by Anita Graser, Dec 2012
based on DensifyGeometries.py
---------------------
Date : October 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf 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__ = 'Anita Graser'
__date__ = 'Dec 2012'
__copyright__ = '(C) 2012, Anita Graser'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.core import (QgsProcessingParameterDistance,
QgsProcessing)
from processing.algs.qgis.QgisAlgorithm import QgisFeatureBasedAlgorithm
class DensifyGeometriesInterval(QgisFeatureBasedAlgorithm):
INTERVAL = 'INTERVAL'
def tags(self):
return self.tr('add,vertex,vertices,points,nodes').split(',')
def group(self):
return self.tr('Vector geometry')
def groupId(self):
return 'vectorgeometry'
def __init__(self):
super().__init__()
self.interval = None
def initParameters(self, config=None):
self.addParameter(QgsProcessingParameterDistance(self.INTERVAL,
self.tr('Interval between vertices to add'),
1, 'INPUT', False, 0, 10000000))
def name(self):
return 'densifygeometriesgivenaninterval'
def displayName(self):
return self.tr('Densify by interval')
def outputName(self):
return self.tr('Densified')
def inputLayerTypes(self):
return [QgsProcessing.TypeVectorLine, QgsProcessing.TypeVectorPolygon]
def prepareAlgorithm(self, parameters, context, feedback):
self.interval = self.parameterAsDouble(parameters, self.INTERVAL, context)
return True
def processFeature(self, feature, context, feedback):
if feature.hasGeometry():
new_geometry = feature.geometry().densifyByDistance(float(self.interval))
feature.setGeometry(new_geometry)
return [feature]