QGIS/python/plugins/processing/saga/SagaAlgorithmProvider.py

142 lines
6.3 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
SagaAlgorithmProvider.py
---------------------
Date : August 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__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from processing.core.AlgorithmProvider import AlgorithmProvider
from processing.core.ProcessingConfig import ProcessingConfig, Setting
from processing.core.ProcessingLog import ProcessingLog
from processing.saga.SagaAlgorithm import SagaAlgorithm
from processing.saga.SplitRGBBands import SplitRGBBands
from processing.saga.SagaUtils import SagaUtils
from processing.tools.system import *
class SagaAlgorithmProvider(AlgorithmProvider):
def __init__(self):
AlgorithmProvider.__init__(self)
self.activate = True
def initializeSettings(self):
AlgorithmProvider.initializeSettings(self)
if isWindows():
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_FOLDER, 'SAGA folder',
SagaUtils.sagaPath()))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_208,
'Enable SAGA 2.0.8 compatibility', True))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_IMPORT_EXPORT_OPTIMIZATION,
'Enable SAGA Import/Export optimizations',
False))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_AUTO_RESAMPLING,
'Use min covering grid system for resampling', True))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_LOG_COMMANDS,
'Log execution commands', True))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_LOG_CONSOLE,
'Log console output', True))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_RESAMPLING_REGION_XMIN,
'Resampling region min x', 0))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_RESAMPLING_REGION_YMIN,
'Resampling region min y', 0))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_RESAMPLING_REGION_XMAX,
'Resampling region max x', 1000))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_RESAMPLING_REGION_YMAX,
'Resampling region max y', 1000))
ProcessingConfig.addSetting(Setting(self.getDescription(),
SagaUtils.SAGA_RESAMPLING_REGION_CELLSIZE,
'Resampling region cellsize', 1))
def unload(self):
AlgorithmProvider.unload(self)
if isWindows():
ProcessingConfig.removeSetting(SagaUtils.SAGA_FOLDER)
ProcessingConfig.removeSetting(SagaUtils.SAGA_AUTO_RESAMPLING)
ProcessingConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_XMIN)
ProcessingConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_YMIN)
ProcessingConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_XMAX)
ProcessingConfig.removeSetting(SagaUtils.SAGA_RESAMPLING_REGION_YMAX)
ProcessingConfig.removeSetting(
SagaUtils.SAGA_RESAMPLING_REGION_CELLSIZE)
ProcessingConfig.removeSetting(SagaUtils.SAGA_LOG_CONSOLE)
ProcessingConfig.removeSetting(SagaUtils.SAGA_LOG_COMMANDS)
def _loadAlgorithms(self):
self.algs = []
saga208 = ProcessingConfig.getSetting(SagaUtils.SAGA_208)
folder = SagaUtils.sagaDescriptionPath()
for descriptionFile in os.listdir(folder):
if descriptionFile.endswith('txt'):
if not saga208:
if descriptionFile.startswith('2.0.8'):
continue
else:
if descriptionFile.startswith('2.1'):
continue
try:
alg = SagaAlgorithm(os.path.join(folder, descriptionFile))
if alg.name.strip() != '':
self.algs.append(alg)
else:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
'Could not open SAGA algorithm: '
+ descriptionFile)
except Exception, e:
ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
'Could not open SAGA algorithm: '
+ descriptionFile + '\n' + str(e))
self.algs.append(SplitRGBBands())
def getDescription(self):
return 'SAGA'
def getName(self):
return 'saga'
def getSupportedOutputVectorLayerExtensions(self):
return ['shp']
def getSupportedOutputRasterLayerExtensions(self):
return ['tif']
def getSupportedOutputTableLayerExtensions(self):
return ['dbf']
def getIcon(self):
return QIcon(os.path.dirname(__file__) + '/../images/saga.png')