Python QgsStringStatisticalSummary.addValue方法代码示例

本文整理汇总了Python中qgis.core.QgsStringStatisticalSummary.addValue方法的典型用法代码示例。如果您正苦于以下问题：Python QgsStringStatisticalSummary.addValue方法的具体用法？Python QgsStringStatisticalSummary.addValue怎么用？Python QgsStringStatisticalSummary.addValue使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.core.QgsStringStatisticalSummary的用法示例。

在下文中一共展示了QgsStringStatisticalSummary.addValue方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: calcStringStats

# 需要导入模块: from qgis.core import QgsStringStatisticalSummary [as 别名]
# 或者: from qgis.core.QgsStringStatisticalSummary import addValue [as 别名]
    def calcStringStats(self, features, feedback, field, count):
        total = 100.0 / count if count else 1
        stat = QgsStringStatisticalSummary()
        for current, ft in enumerate(features):
            if feedback.isCanceled():
                break
            stat.addValue(ft[field.name()])
            feedback.setProgress(int(current * total))
        stat.finalize()

        results = {self.COUNT: stat.count(),
                   self.UNIQUE: stat.countDistinct(),
                   self.EMPTY: stat.countMissing(),
                   self.FILLED: stat.count() - stat.countMissing(),
                   self.MIN: stat.min(),
                   self.MAX: stat.max(),
                   self.MIN_LENGTH: stat.minLength(),
                   self.MAX_LENGTH: stat.maxLength(),
                   self.MEAN_LENGTH: stat.meanLength()}

        data = []
        data.append(self.tr('Count: {}').format(count))
        data.append(self.tr('Unique values: {}').format(stat.countDistinct()))
        data.append(self.tr('NULL (missing) values: {}').format(stat.countMissing()))
        data.append(self.tr('Minimum value: {}').format(stat.min()))
        data.append(self.tr('Maximum value: {}').format(stat.max()))
        data.append(self.tr('Minimum length: {}').format(stat.minLength()))
        data.append(self.tr('Maximum length: {}').format(stat.maxLength()))
        data.append(self.tr('Mean length: {}').format(stat.meanLength()))

        return data, results

开发者ID:aaime，项目名称:QGIS，代码行数:33，代码来源:BasicStatistics.py

示例2: calcStringStats

# 需要导入模块: from qgis.core import QgsStringStatisticalSummary [as 别名]
# 或者: from qgis.core.QgsStringStatisticalSummary import addValue [as 别名]
    def calcStringStats(self, features, progress, field):
        count = len(features)
        total = 100.0 / float(count)
        stat = QgsStringStatisticalSummary()
        for current, ft in enumerate(features):
            stat.addValue(ft[field.name()])
            progress.setPercentage(int(current * total))
        stat.finalize()

        self.setOutputValue(self.COUNT, stat.count())
        self.setOutputValue(self.UNIQUE, stat.countDistinct())
        self.setOutputValue(self.EMPTY, stat.countMissing())
        self.setOutputValue(self.FILLED, stat.count() - stat.countMissing())
        self.setOutputValue(self.MIN, stat.min())
        self.setOutputValue(self.MAX, stat.max())
        self.setOutputValue(self.MIN_LENGTH, stat.minLength())
        self.setOutputValue(self.MAX_LENGTH, stat.maxLength())
        self.setOutputValue(self.MEAN_LENGTH, stat.meanLength())

        data = []
        data.append(self.tr('Count: {}').format(count))
        data.append(self.tr('Unique values: {}').format(stat.countDistinct()))
        data.append(self.tr('NULL (missing) values: {}').format(stat.countMissing()))
        data.append(self.tr('Minimum value: {}').format(stat.min()))
        data.append(self.tr('Maximum value: {}').format(stat.max()))
        data.append(self.tr('Minimum length: {}').format(stat.minLength()))
        data.append(self.tr('Maximum length: {}').format(stat.maxLength()))
        data.append(self.tr('Mean length: {}').format(stat.meanLength()))

        return data

开发者ID:medspx，项目名称:QGIS，代码行数:32，代码来源:BasicStatistics.py

示例3: processAlgorithm

# 需要导入模块: from qgis.core import QgsStringStatisticalSummary [as 别名]
# 或者: from qgis.core.QgsStringStatisticalSummary import addValue [as 别名]
    def processAlgorithm(self, progress):
        layer = dataobjects.getObjectFromUri(self.getParameterValue(self.INPUT_LAYER))
        fieldName = self.getParameterValue(self.FIELD_NAME)

        outputFile = self.getOutputValue(self.OUTPUT_HTML_FILE)

        request = (
            QgsFeatureRequest()
            .setFlags(QgsFeatureRequest.NoGeometry)
            .setSubsetOfAttributes([fieldName], layer.fields())
        )
        stat = QgsStringStatisticalSummary()
        features = vector.features(layer, request)
        count = len(features)
        total = 100.0 / float(count)
        for current, ft in enumerate(features):
            stat.addValue(ft[fieldName])
            progress.setPercentage(int(current * total))

        stat.finalize()

        data = []
        data.append(self.tr("Analyzed layer: {}").format(layer.name()))
        data.append(self.tr("Analyzed field: {}").format(fieldName))
        data.append(self.tr("Minimum length: {}").format(stat.minLength()))
        data.append(self.tr("Maximum length: {}").format(stat.maxLength()))
        data.append(self.tr("Mean length: {}").format(stat.meanLength()))
        data.append(self.tr("Filled values: {}").format(stat.count() - stat.countMissing()))
        data.append(self.tr("NULL (missing) values: {}").format(stat.countMissing()))
        data.append(self.tr("Count: {}").format(stat.count()))
        data.append(self.tr("Unique: {}").format(stat.countDistinct()))
        data.append(self.tr("Minimum string value: {}").format(stat.min()))
        data.append(self.tr("Maximum string value: {}").format(stat.max()))

        self.createHTML(outputFile, data)

        self.setOutputValue(self.MIN_LEN, stat.minLength())
        self.setOutputValue(self.MAX_LEN, stat.maxLength())
        self.setOutputValue(self.MEAN_LEN, stat.meanLength())
        self.setOutputValue(self.FILLED, stat.count() - stat.countMissing())
        self.setOutputValue(self.EMPTY, stat.countMissing())
        self.setOutputValue(self.COUNT, stat.count())
        self.setOutputValue(self.UNIQUE, stat.countDistinct())
        self.setOutputValue(self.MIN_VALUE, stat.min())
        self.setOutputValue(self.MAX_VALUE, stat.max())

开发者ID:medspx，项目名称:QGIS，代码行数:47，代码来源:BasicStatisticsStrings.py

示例4: processAlgorithm

# 需要导入模块: from qgis.core import QgsStringStatisticalSummary [as 别名]
# 或者: from qgis.core.QgsStringStatisticalSummary import addValue [as 别名]
    def processAlgorithm(self, parameters, context, feedback):
        layer = QgsProcessingUtils.mapLayerFromString(self.getParameterValue(self.INPUT_LAYER), context)
        fieldName = self.getParameterValue(self.FIELD_NAME)

        outputFile = self.getOutputValue(self.OUTPUT_HTML_FILE)

        request = QgsFeatureRequest().setFlags(QgsFeatureRequest.NoGeometry).setSubsetOfAttributes([fieldName],
                                                                                                   layer.fields())
        stat = QgsStringStatisticalSummary()
        features = QgsProcessingUtils.getFeatures(layer, context, request)
        count = QgsProcessingUtils.featureCount(layer, context)
        total = 100.0 / float(count)
        for current, ft in enumerate(features):
            stat.addValue(ft[fieldName])
            feedback.setProgress(int(current * total))

        stat.finalize()

        data = []
        data.append(self.tr('Analyzed layer: {}').format(layer.name()))
        data.append(self.tr('Analyzed field: {}').format(fieldName))
        data.append(self.tr('Minimum length: {}').format(stat.minLength()))
        data.append(self.tr('Maximum length: {}').format(stat.maxLength()))
        data.append(self.tr('Mean length: {}').format(stat.meanLength()))
        data.append(self.tr('Filled values: {}').format(stat.count() - stat.countMissing()))
        data.append(self.tr('NULL (missing) values: {}').format(stat.countMissing()))
        data.append(self.tr('Count: {}').format(stat.count()))
        data.append(self.tr('Unique: {}').format(stat.countDistinct()))
        data.append(self.tr('Minimum string value: {}').format(stat.min()))
        data.append(self.tr('Maximum string value: {}').format(stat.max()))

        self.createHTML(outputFile, data)

        self.setOutputValue(self.MIN_LEN, stat.minLength())
        self.setOutputValue(self.MAX_LEN, stat.maxLength())
        self.setOutputValue(self.MEAN_LEN, stat.meanLength())
        self.setOutputValue(self.FILLED, stat.count() - stat.countMissing())
        self.setOutputValue(self.EMPTY, stat.countMissing())
        self.setOutputValue(self.COUNT, stat.count())
        self.setOutputValue(self.UNIQUE, stat.countDistinct())
        self.setOutputValue(self.MIN_VALUE, stat.min())
        self.setOutputValue(self.MAX_VALUE, stat.max())

开发者ID:rskelly，项目名称:QGIS，代码行数:44，代码来源:BasicStatisticsStrings.py

注：本文中的qgis.core.QgsStringStatisticalSummary.addValue方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。