Python QgsRasterFileWriter.supportedFormatExtensions方法代码示例

# 需要导入模块: from qgis.core import QgsRasterFileWriter [as 别名]
# 或者: from qgis.core.QgsRasterFileWriter import supportedFormatExtensions [as 别名]
    def testSupportedFormatExtensions(self):
        formats = QgsRasterFileWriter.supportedFormatExtensions()
        self.assertTrue('tif' in formats)
        self.assertFalse('exe' in formats)
        self.assertEqual(formats[0], 'tif')
        self.assertTrue('nc' in formats)

        # alphabetical sorting
        formats2 = QgsRasterFileWriter.supportedFormatExtensions(QgsRasterFileWriter.RasterFormatOptions())
        self.assertTrue(formats2[1] < formats2[2])
        self.assertCountEqual(formats, formats2)
        self.assertNotEqual(formats2[0], 'tif')

# 需要导入模块: from qgis.core import QgsRasterFileWriter [as 别名]
# 或者: from qgis.core.QgsRasterFileWriter import supportedFormatExtensions [as 别名]
def getFileFilter(param):
    """
    Returns a suitable file filter pattern for the specified parameter definition
    :param param:
    :return:
    """
    if param.type() == 'layer':
        vectors = QgsProviderRegistry.instance().fileVectorFilters().split(';;')
        vectors.pop(0)
        rasters = QgsProviderRegistry.instance().fileRasterFilters().split(';;')
        rasters.pop(0)
        filters = set(vectors + rasters)
        filters = sorted(filters)
        return tr('All files (*.*)') + ';;' + ";;".join(filters)
    elif param.type() == 'multilayer':
        if param.layerType() == QgsProcessing.TypeRaster:
            exts = QgsRasterFileWriter.supportedFormatExtensions()
        elif param.layerType() == QgsProcessing.TypeFile:
            return tr('All files (*.*)', 'QgsProcessingParameterMultipleLayers')
        else:
            exts = QgsVectorFileWriter.supportedFormatExtensions()
        for i in range(len(exts)):
            exts[i] = tr('{0} files (*.{1})', 'QgsProcessingParameterMultipleLayers').format(exts[i].upper(), exts[i].lower())
        return tr('All files (*.*)') + ';;' + ';;'.join(exts)
    elif param.type() == 'raster':
        return QgsProviderRegistry.instance().fileRasterFilters()
    elif param.type() == 'rasterDestination':
        if param.provider() is not None:
            exts = param.provider().supportedOutputRasterLayerExtensions()
        else:
            exts = QgsRasterFileWriter.supportedFormatExtensions()
        for i in range(len(exts)):
            exts[i] = tr('{0} files (*.{1})', 'ParameterRaster').format(exts[i].upper(), exts[i].lower())
        return ';;'.join(exts) + ';;' + tr('All files (*.*)')
    elif param.type() in ('sink', 'vectorDestination'):
        if param.provider() is not None:
            exts = param.provider().supportedOutputVectorLayerExtensions()
        else:
            exts = QgsVectorFileWriter.supportedFormatExtensions()
        for i in range(len(exts)):
            exts[i] = tr('{0} files (*.{1})', 'ParameterVector').format(exts[i].upper(), exts[i].lower())
        return ';;'.join(exts) + ';;' + tr('All files (*.*)')
    elif param.type() == 'source':
        return QgsProviderRegistry.instance().fileVectorFilters()
    elif param.type() == 'vector':
        return QgsProviderRegistry.instance().fileVectorFilters()
    elif param.type() == 'fileDestination':
        return param.fileFilter() + ';;' + tr('All files (*.*)')

    if param.defaultFileExtension():
        return tr('Default extension') + ' (*.' + param.defaultFileExtension() + ')'
    else:
        return ''

# 需要导入模块: from qgis.core import QgsRasterFileWriter [as 别名]
# 或者: from qgis.core.QgsRasterFileWriter import supportedFormatExtensions [as 别名]
    def initialize():
        icon = QgsApplication.getThemeIcon("/processingAlgorithm.svg")
        ProcessingConfig.settingIcons['General'] = icon
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.SHOW_DEBUG_IN_DIALOG,
            ProcessingConfig.tr('Show extra info in Log panel'), True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.KEEP_DIALOG_OPEN,
            ProcessingConfig.tr('Keep dialog open after running an algorithm'), True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.USE_FILENAME_AS_LAYER_NAME,
            ProcessingConfig.tr('Use filename as layer name'), False))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.SHOW_RECENT_ALGORITHMS,
            ProcessingConfig.tr('Show recently executed algorithms'), True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.SHOW_PROVIDERS_TOOLTIP,
            ProcessingConfig.tr('Show tooltip when there are disabled providers'), True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.OUTPUT_FOLDER,
            ProcessingConfig.tr('Output folder'), defaultOutputFolder(),
            valuetype=Setting.FOLDER))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.SHOW_CRS_DEF,
            ProcessingConfig.tr('Show layer CRS definition in selection boxes'), True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.WARN_UNMATCHING_CRS,
            ProcessingConfig.tr("Warn before executing if layer CRS's do not match"), True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.WARN_UNMATCHING_EXTENT_CRS,
            ProcessingConfig.tr("Warn before executing if extent CRS might not match layers CRS"), True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.RASTER_STYLE,
            ProcessingConfig.tr('Style for raster layers'), '',
            valuetype=Setting.FILE))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.VECTOR_POINT_STYLE,
            ProcessingConfig.tr('Style for point layers'), '',
            valuetype=Setting.FILE))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.VECTOR_LINE_STYLE,
            ProcessingConfig.tr('Style for line layers'), '',
            valuetype=Setting.FILE))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.VECTOR_POLYGON_STYLE,
            ProcessingConfig.tr('Style for polygon layers'), '',
            valuetype=Setting.FILE))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.PRE_EXECUTION_SCRIPT,
            ProcessingConfig.tr('Pre-execution script'), '',
            valuetype=Setting.FILE))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.POST_EXECUTION_SCRIPT,
            ProcessingConfig.tr('Post-execution script'), '',
            valuetype=Setting.FILE))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.RECENT_ALGORITHMS,
            ProcessingConfig.tr('Recent algorithms'), '', hidden=True))
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.MODELS_SCRIPTS_REPO,
            ProcessingConfig.tr('Scripts and models repository'),
            'https://raw.githubusercontent.com/qgis/QGIS-Processing/master'))

        invalidFeaturesOptions = [ProcessingConfig.tr('Do not filter (better performance)'),
                                  ProcessingConfig.tr('Ignore features with invalid geometries'),
                                  ProcessingConfig.tr('Stop algorithm execution when a geometry is invalid')]
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.FILTER_INVALID_GEOMETRIES,
            ProcessingConfig.tr('Invalid features filtering'),
            invalidFeaturesOptions[2],
            valuetype=Setting.SELECTION,
            options=invalidFeaturesOptions))

        extensions = QgsVectorFileWriter.supportedFormatExtensions()
        ProcessingConfig.addSetting(Setting(
            ProcessingConfig.tr('General'),
            ProcessingConfig.DEFAULT_OUTPUT_VECTOR_LAYER_EXT,
            ProcessingConfig.tr('Default output vector layer extension'),
            extensions[0],
            valuetype=Setting.SELECTION,
            options=extensions))

#.........这里部分代码省略.........