コード例 #1
0
def handleAlgorithmResults(alg, progress=None, showResults=True):
    wrongLayers = []
    htmlResults = False
    if progress is None:
        progress = SilentProgress()
    progress.setText(QCoreApplication.translate('Postprocessing', 'Loading resulting layers'))
    i = 0
    for out in alg.outputs:
        progress.setPercentage(100 * i / float(len(alg.outputs)))
        if out.hidden or not out.open:
            continue
        if isinstance(out, (OutputRaster, OutputVector, OutputTable)):
            try:
                if hasattr(out, "layer") and out.layer is not None:
                    out.layer.setLayerName(out.description)
                    QgsMapLayerRegistry.instance().addMapLayers([out.layer])
                else:
                    if ProcessingConfig.getSetting(
                            ProcessingConfig.USE_FILENAME_AS_LAYER_NAME):
                        name = os.path.basename(out.value)
                    else:
                        name = out.description

                    isRaster = True if isinstance(out, OutputRaster) else False
                    dataobjects.load(out.value, name, alg.crs,
                                     RenderingStyles.getStyle(alg.commandLineName(), out.name),
                                     isRaster)
            except Exception:
                ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
                                       "Error loading result layer:\n" + traceback.format_exc())
                wrongLayers.append(out.description)
        elif isinstance(out, OutputFile) and out.ext == 'csv':
            try:
                dataobjects.load(out.value, name, alg.crs,
                                 RenderingStyles.getStyle(alg.commandLineName(),
                                                          out.name))
            except Exception:
                ProcessingLog.addToLog(ProcessingLog.LOG_ERROR,
                                       "Error loading result layer:\n" + traceback.format_exc())
                wrongLayers.append(out.description)
        elif isinstance(out, OutputHTML):
            ProcessingResults.addResult(out.description, out.value)
            htmlResults = True
        i += 1

    QApplication.restoreOverrideCursor()
    if wrongLayers:
        msg = "The following layers were not correctly generated.<ul>"
        msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>"
        msg += "You can check the log messages to find more information about the execution of the algorithm"
        progress.error(msg)

    if showResults and htmlResults and not wrongLayers:
        dlg = ResultsDialog()
        dlg.exec_()

    return len(wrongLayers) == 0
コード例 #2
0
ファイル: Postprocessing.py プロジェクト: ltbam/QGIS
def handleAlgorithmResults(alg, progress=None, showResults=True):
    wrongLayers = []
    htmlResults = False
    if progress is None:
        progress = SilentProgress()
    progress.setText(
        QCoreApplication.translate('Postprocessing',
                                   'Loading resulting layers'))
    i = 0
    for out in alg.outputs:
        progress.setPercentage(100 * i / float(len(alg.outputs)))
        if out.hidden or not out.open:
            continue
        if isinstance(out, (OutputRaster, OutputVector, OutputTable)):
            try:
                if out.value.startswith('memory:'):
                    layer = out.memoryLayer
                    QgsMapLayerRegistry.instance().addMapLayers([layer])
                else:
                    if ProcessingConfig.getSetting(
                            ProcessingConfig.USE_FILENAME_AS_LAYER_NAME):
                        name = os.path.basename(out.value)
                    else:
                        name = out.description
                    dataobjects.load(
                        out.value, name, alg.crs,
                        RenderingStyles.getStyle(alg.commandLineName(),
                                                 out.name))
            except Exception as e:
                wrongLayers.append(out.description)
        elif isinstance(out, OutputHTML):
            ProcessingResults.addResult(out.description, out.value)
            htmlResults = True
        i += 1
    if wrongLayers:
        QApplication.restoreOverrideCursor()
        dlg = MessageDialog()
        dlg.setTitle(
            QCoreApplication.translate('Postprocessing',
                                       'Problem loading output layers'))
        msg = "The following layers were not correctly generated.<ul>"
        msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>"
        msg += "You can check the <a href='log'>log messages</a> to find more information about the execution of the algorithm"
        dlg.setMessage(msg)
        dlg.exec_()

    if showResults and htmlResults and not wrongLayers:
        QApplication.restoreOverrideCursor()
        dlg = ResultsDialog()
        dlg.exec_()

    return len(wrongLayers) == 0
コード例 #3
0
 def openResults(self):
     dlg = ResultsDialog()
     dlg.show()
     dlg.exec_()
コード例 #4
0
                    else:
                        name = out.description
                    dataobjects.load(
                        out.value, name, alg.crs,
                        RenderingStyles.getStyle(alg.commandLineName(),
                                                 out.name))
            except Exception, e:
                wrongLayers.append(out.description)
        elif isinstance(out, OutputHTML):
            ProcessingResults.addResult(out.description, out.value)
            htmlResults = True
        i += 1
    if wrongLayers:
        QApplication.restoreOverrideCursor()
        dlg = MessageDialog()
        dlg.setTitle(
            QCoreApplication.translate('Postprocessing',
                                       'Problem loading output layers'))
        msg = "The following layers were not correctly generated.<ul>"
        msg += "".join(["<li>%s</li>" % lay for lay in wrongLayers]) + "</ul>"
        msg += "You can check the <a href='log'>log messages</a> to find more information about the execution of the algorithm"
        dlg.setMessage(msg)
        dlg.exec_()

    if showResults and htmlResults and not wrongLayers:
        QApplication.restoreOverrideCursor()
        dlg = ResultsDialog()
        dlg.exec_()

    return len(wrongLayers) == 0