def selec_localizacion(capa_entrada1, capa_entrada2, predicado):
    """"
    Seleccion por localizacion
    
    Argumentos:
    capa_entrada1: instancia capa sobre la que se selecciona
    capa_entrada2: intancia segundo capara que participa en la seleccion
    predicado: Condicion espacial de seleccion
        0 — intersecta
        1 — contiene
        2 — dividir
        3 — igual
        4 — toca
        5 — superpone
        6 — esta dentro
        7 — cruza
    """

    parameter = {
        "INPUT": capa_entrada1,
        "PREDICATE": predicado,
        "INTERSECT": capa_entrada2,
        "OUTPUT": "TEMPORARY_OUTPUT"
    }
    processing.run("qgis:selectbylocation", parameter)
Exemplo n.º 2
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    def extract_band(self, raster_layer, band_number, band_name, output_dir):
        # Create single band narrow channel mosaic from 2-channel mosaic(produced by pix4d)

        temp_out_path = os.path.join(output_dir, os.path.normpath(band_name + '_temp.tif'))
        input_path = raster_layer.dataProvider().dataSourceUri()

        # extract reflectance values from band 1
        '''
        Calc("A*(A>0) + -10000*(A<=0)", A=input_path, A_band=band_number, outfile=temp_out_path, NoDataValue=-10000)
        '''
        one_band_params = {
            'BAND_A': band_number,
            'EXTRA': '',
            'FORMULA': "A*(A>0) + -10000*(A<=0)",
            'INPUT_A': input_path,
            'NO_DATA': -10000,
            'OPTIONS': '',
            'RTYPE': 5,
            'OUTPUT': temp_out_path
        }
        processing.run('gdal:rastercalculator', one_band_params)

        band_one_raster = QgsRasterLayer(temp_out_path, raster_layer.name())

        return band_one_raster
Exemplo n.º 3
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 def _deleteLayer(self, layer_name):
     try:
         processing.run("native:spatialiteexecutesql",
                        {'DATABASE': '{0}|layername={1}'.format(self.gpkg_path, layer_name),
                         'SQL': 'drop table {0}'.format(layer_name)})
     except IndexError:
         layer_name = None
Exemplo n.º 4
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    def runCreateSpatialIndex(self, inputLyr):
        processing.run(
            "native:createspatialindex",
            {'INPUT':inputLyr}
        )

        return False
Exemplo n.º 5
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    def processAlgorithm(self, parameters, context, feedback):
        anni = [self.years[id_anno] for id_anno in parameters['anno']]
        prodotti = [
            self.products[id_prod] for id_prod in parameters['prodotto']
        ]
        estensione = parameters['estensione']
        tiles_selection = []
        if estensione:
            grid_params = {
                "TYPE": 2,
                "EXTENT": "-180,180,-80,80",
                "HSPACING": 20,
                "VSPACING": 20,
                "CRS": "EPSG:4326",
                "OUTPUT": QgsProcessing.TEMPORARY_OUTPUT
            }
            output1 = processing.run('native:creategrid',
                                     grid_params,
                                     context=context,
                                     feedback=None,
                                     is_child_algorithm=True)
            grid_layer = output1["OUTPUT"]
            select_params = {
                "INPUT": grid_layer,
                "EXTENT": estensione,
                "OUTPUT": QgsProcessing.TEMPORARY_OUTPUT
            }
            output2 = processing.run('native:extractbyextent',
                                     select_params,
                                     context=context,
                                     feedback=None,
                                     is_child_algorithm=True)
            grids_selected_layer = context.takeResultLayer(output2["OUTPUT"])
            print(grid_layer, grids_selected_layer)
            for feat in grids_selected_layer.getFeatures():
                lon = int(feat["left"])
                lat = int(feat["top"])
                lon_prefix = "E" if lon >= 0 else "W"
                lat_prefix = "N" if lat >= 0 else "S"
                tile_code = lon_prefix + str(
                    abs(lon)).zfill(3) + lat_prefix + str(abs(lat)).zfill(2)
                tiles_selection.append(tile_code)

        url_to_download_list = self.search_data(anni, tiles_selection,
                                                prodotti)

        print(url_to_download_list)

        for d in url_to_download_list:
            # output = self.parameterAsFile(parameters,'Download directory',context) + os.path.basename(d)
            output = parameters['Download directory'] + '/' + d["filename"]
            self.s3client.download_file(BUCKET, d["Key"], output)

            feedback.pushInfo(d["filename"])
            if feedback.isCanceled():
                feedback.pushInfo("Terminated by user")
                return {}

        return {}
Exemplo n.º 6
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    def _lang(self):
        '''
        Lang Simplification Algorithm
        '''

        '''
        Densify By Count >>> Delete holes >>> Smooth (QGIS) || Generalize (Grass)
        '''
        densify_by_count = processing.run('qgis:densifygeometries',
                                        {'INPUT': self.gpkg_path + '|layername=zones',
                                         'VERTICES': 3,
                                         'OUTPUT': 'ogr:dbname=\'' + self.gpkg_path + '\' table=\"densifyByCount\" ('
                                                                                      'geom)'})

        delete_holes = processing.run('qgis:deleteholes',
                                     {'INPUT': densify_by_count['OUTPUT'],
                                      'MIN_AREA': 30,
                                      'OUTPUT': 'ogr:dbname=\'' + self.gpkg_path + '\' table=\"deleteHoles\" (geom)'})

        # qgis

        # smooth = processing.run('qgis:smoothgeometry',
        #         { 'INPUT': deleteHoles['OUTPUT'],
        #           'ITERATIONS': 10,
        #           'OFFSET': 0.25,
        #           'MAX_ANGLE': 180,
        #           'OUTPUT': 'ogr:dbname=\''+ self.gpkg_path +'\' table=\"smooth\" (geom)'})

        # # extract vertices (polygon to nodes)
        # processing.run('qgis: extractvertices',
        #                { 'INPUT': self.gpkg_path + '|layername=zones',
        #                  'OUTPUT' : 'TEMPORARY_OUTPUT' })

        # grass
        grass_generalize = processing.run('grass7:v.generalize',
                                          {'input': delete_holes['OUTPUT'],
                                           'method': 2,
                                           'threshold': 1,
                                           'output': 'TEMPORARY_OUTPUT',
                                           'error': 'TEMPORARY_OUTPUT'})

        grass_generalize_converted = processing.run('gdal:convertformat', {
            'INPUT': grass_generalize['output'],
            'OPTIONS': '',
            'OUTPUT': 'grass_generalize_converted.shp'})

        grass_generalize_converted_toGpkg = QgsVectorLayer(grass_generalize_converted['OUTPUT'],
                                                           'grass_generalize_lang', "ogr")
        # self._saveIntoGpkg(grass_generalize_converted_toGpkg,'grass_generalize_lang')
        # grass_generalize_convertedd = QgsVectorLayer(grass_generalize_converted['OUTPUT'], 'grass_generalize_lang', "ogr")
        # grass_generalize_converted_toMap = QgsVectorLayer(self.gpkg_path + '|layername=grass_generalize_lang', 'grass_generalize_lang', "ogr")

        generalize_layer = QgsProject.instance().addMapLayer(grass_generalize_converted_toGpkg, False)

        root = QgsProject.instance().layerTreeRoot()
        group_gtfs = root.findGroup('zones')
        group_gtfs.insertChildNode(0, QgsLayerTreeLayer(generalize_layer))
Exemplo n.º 7
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def polyToLine(inputFile, outputFile):

    #Load and check polygon layer to environment
    Outline_PolyLayer = QgsVectorLayer(inputFile, "OutlinePolygon")
    checkLayer(Outline_PolyLayer)

    #Convert Polygon to Lines
    params = {'INPUT': Outline_PolyLayer, 'OUTPUT': outputFile}
    processing.run("native:polygonstolines", params)
Exemplo n.º 8
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def lineToVertex(inputFile, outputFile):

    #Load and check line layer to environment
    Outline_LineLayer = QgsVectorLayer(inputFile, "OutlineLine")
    checkLayer(Outline_LineLayer)

    ##Convert Lines to Vertices
    params = {'INPUT': Outline_LineLayer, 'OUTPUT': outputFile}
    processing.run("native:extractvertices", params)
def make_deso_centroids(input_url: str) -> QgsVectorLayer:
    processing.run(
        'native:centroids',
        {
            'INPUT': input_url,
            'ALL_PARTS': False,
            'OUTPUT': '/Users/laurentcazor/Documents/Trivector work/Work destination choice/Test_small/origins.shp',
        },
    )
Exemplo n.º 10
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 def setupMasks(productType, layers):
     pathJson = Path(__file__).parent / 'produtos' / productType / 'masks.json'
     if pathJson.exists():
         processing.run(
             'ferramentasedicao:loadmasks',
             {
                 'JSON_FILE': str(pathJson),
                 'INPUT_LAYERS': layers
             }
         )
Exemplo n.º 11
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 def highestSpot(lyr, moldura):
     '''Atualiza o atributo 'cota_mais_alta' se o ponto cotado é o mais alto do MI
     '''
     processing.run(
         'ferramentasedicao:highestspotontheframe', {
             'INPUT_LAYER_P': lyr,
             'INPUT_SPOT_FIELD': 'cota',
             'INPUT_HIGHEST_SPOT_FIELD': 'cota_mais_alta',
             'INPUT_FRAME': moldura
         })
Exemplo n.º 12
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    def test_load_structure(self):
        """Test load structure."""
        feedback = LoggerProcessingFeedBack()
        params = {
            'OVERRIDE': True,
            'ADD_AUDIT': True,
            'SRID': QgsCoordinateReferenceSystem('EPSG:32620'),
            'NOM': 'CC de Test',
            'SIREN': '123456789',
            'CODE': 'cat'
        }
        processing.run('raepa:create_database_structure', params, feedback=feedback)

        self.cursor.execute('SELECT table_name FROM information_schema.tables WHERE table_schema = \'raepa\'')
        records = self.cursor.fetchall()
        result = [r[0] for r in records]
        expected = [
            '_val_raepa_etat_canal_ass',
            '_val_raepa_forme_canal_ass',
            '_val_raepa_precision_annee',
            '_val_raepa_type_intervention_ass',
            'affleurant_pcrs',
            'commune',
            'raepa_apparaep_p',
            'raepa_apparass_p',
            'raepa_canalaep_l',
            'raepa_canalass_l',
            'raepa_ouvraep_p',
            'raepa_ouvrass_p',
            'raepa_reparaep_p',
            'raepa_reparass_p',
            'sys_liste_table',
            'sys_organisme_gestionnaire',
            'sys_structure_metadonnee',
            'v_canalisation_avec_z_manquant',
            'v_canalisation_avec_zaval_manquant',
            'v_canalisation_branchement',
            'v_canalisation_sans_ouvrage',
            'val_raepa_cat_canal_ae',
            'val_raepa_cat_canal_ass',
            'val_raepa_fonc_app_ae',
            'val_raepa_fonc_app_ass',
            'val_raepa_fonc_canal_ae',
            'val_raepa_fonc_canal_ass',
            'val_raepa_fonc_ouv_ae',
            'val_raepa_fonc_ouv_ass',
            'val_raepa_materiau',
            'val_raepa_mode_circulation',
            'val_raepa_qualite_anpose',
            'val_raepa_qualite_geoloc',
            'val_raepa_support_reparation',
            'val_raepa_typ_reseau_ass',
            'val_raepa_type_defaillance',
        ]
        self.assertCountEqual(expected, result)
Exemplo n.º 13
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def calcul_orientation_appareil(*args):
    id_appar = args[0]
    params = {
        'SOURCE_ID': id_appar
    }
    try:
        processing.run('raepa:get_orientation_appareil', params)
    except QgsProcessingException:
        QgsMessageLog.logMessage('Erreur dans les logs de Processing/PostGIS.', 'RAEPA', Qgis.Critical)
        iface.messageBar().pushMessage(
            'Erreur dans les logs de Processing/PostGIS.', level=Qgis.Critical, duration=2)
        return
def fixAndDissolveFeatures(input, context, feedback):
    # run the input throuhg the fix geometries algorithm first
    fixed = processing.run("qgis:fixgeometries", {
        'INPUT': input,
        'OUTPUT': 'memory:'
    })['OUTPUT']
    return processing.run("qgis:dissolve", {
        'INPUT': fixed,
        'OUTPUT': 'memory:'
    },
                          context=context,
                          feedback=feedback)['OUTPUT']
Exemplo n.º 15
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def buffer(capa_entrada, capa_salida, distancia):
    """
    Buffer de una capa vectorial
    Se exporta directamente como capa
    
    Argumentos:
    capa_entrada: instancia de la capa sobre la que se realiza el buffer
    capa_salida: nombre shp salida sin extension
    distancia: distancia en metros de buffer
    * Metros porque se ha proyectado a metros
    """

    output = capa_salida + ".shp"
    parameter = {"INPUT": capa_entrada,"DISTANCE": distancia,\
        "DISSOLVE": True, "OUTPUT": output}
    processing.run("qgis:buffer", parameter)
    def processAlgorithm(self, parameters, context, feedback):
        feedback = QgsProcessingMultiStepFeedback(1, feedback)
        timestamp = datetime.datetime.now().strftime('%Y%m%d%H%M%S')

        results = {}
        outputs = {}

        for raster in glob.glob(str(parameters[self.INPUT_Pfad]) + '/*.tif'):
            fileInfo = QFileInfo(raster)
            baseName = fileInfo.baseName()
            tiff = str(parameters[self.INPUT_Pfad]) + '/' + baseName + '.tif'
            tiff_tfw = str(
                parameters[self.OUTPUT_Pfad]) + '/' + baseName + '.tif'

            alg_params = {
                'COPY_SUBDATASETS': False,
                'DATA_TYPE': 0,
                'EXTRA': '',
                'INPUT': str(tiff),
                'NODATA': None,
                'OPTIONS': 'tfw=yes',
                'TARGET_CRS': None,
                'OUTPUT': str(tiff_tfw)
            }
            outputs['tiff_tfw'] = processing.run('gdal:translate',
                                                 alg_params,
                                                 context=context,
                                                 feedback=feedback,
                                                 is_child_algorithm=True)
            results['Berechnung der TFWs abgeschlossen!'] = outputs[
                'tiff_tfw']['OUTPUT']
        return results
Exemplo n.º 17
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 def add_habitat_info(input_layer, habitat_layer, context,
                      feedback) -> QgsVectorLayer:
     """ Add information from the habitat layer into the export. """
     feedback.pushInfo('\n')
     feedback.pushInfo(
         "Jointure spatiale avec la couche 'habitat' pour le champ 'facies'"
     )
     params = {
         'INPUT': input_layer,
         'JOIN': habitat_layer,
         'PREDICATE': [0],  # Intersects
         'JOIN_FIELDS': ['nom', 'facies'],
         'METHOD':
         1,  # Take attributes of the first located feature only (one-to-one)
         'DISCARD_NONMATCHING': False,
         'PREFIX': 'habitat_',
         'OUTPUT': 'TEMPORARY_OUTPUT'
     }
     results = run(
         'qgis:joinattributesbylocation',
         params,
         context=context,
         feedback=feedback,
         is_child_algorithm=True,
     )
     feedback.pushInfo('{} habitats ont été trouvés'.format(
         results['JOINED_COUNT']))
     layer = QgsProcessingUtils.mapLayerFromString(results['OUTPUT'],
                                                   context, True)
     return layer
    def processAlgorithm(self, parameters, context, feedback):
        anno = self.yearlist[parameters['anno']]
        # nome_tile = self.parameterAsString(parameters, 'nome_tile', context)
        nome_tile = parameters['nome_tile']
        prodotto = self.services[parameters['prodotto']]

        url_to_download_list = self.search_Data(anno=anno,
                                                nome_tile=nome_tile,
                                                prodotto=prodotto)

        for d in url_to_download_list:
            # output = self.parameterAsFile(parameters,'Download directory',context) + os.path.basename(d)
            output = parameters['Download directory'] + '/' + os.path.basename(
                d)
            alg_params = {"URL": d, "OUTPUT": output}
            output = processing.run('native:filedownloader',
                                    alg_params,
                                    context=context,
                                    feedback=feedback,
                                    is_child_algorithm=True)
            feedback.pushInfo(os.path.basename(d))
            if feedback.isCanceled():
                feedback.pushInfo("Terminated by user")
                return {}

        return {}
Exemplo n.º 19
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    def processAlgorithm(self, parameters, context, feedback):
        """
        Here is where the processing itself takes place.
        """

        # DO SOMETHING
        sql = ('WITH nodes AS '
               '(SELECT ST_StartPoint(geom) AS geom FROM '
               '{0} UNION ALL '
               'SELECT ST_EndPoint(geom) AS geom FROM {0}) '
               'SELECT geom FROM nodes '
               'GROUP BY geom HAVING count(*) = 1').format(
                   parameters[self.TABLE])

        feedback.pushInfo(sql)

        find_pseudo = processing.run("gdal:executesql", {
            'INPUT': parameters['INPUT'],
            'SQL': sql,
            'OUTPUT': parameters['OUTPUT']
        },
                                     context=context,
                                     feedback=feedback,
                                     is_child_algorithm=True)

        return {self.OUTPUT: find_pseudo['OUTPUT']}
Exemplo n.º 20
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 def mergeEnergyLines(self, lyr, limit):
     r = processing.run('ferramentasedicao:mergelinesbyangle', {
         'INPUT': lyr,
         'MAX_ITERATION': limit,
         'OUTPUT': 'TEMPORARY_OUTPUT'
     })
     return r['OUTPUT']
Exemplo n.º 21
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    def export_uniques(self):
        """
        Return the unique values in a raster using QGIS native processing
        algorithm.

        Algorithm: native:rasterlayeruniquevaluesreport
        ----Inputs: INPUT:              Input raster layer
                    BAND:               Raster Band
                    OUTPUT_HTML_FILE:   (optional) Defaults to temporary file
                    OUTPUT_TABLE:       (optional) Defaults to skip
        Returns:
        ----Result {Dict}:
            {
                'CRS_AUTHID': CRS as string,
                'EXTENT': Extent,
                'HEIGHT_IN_PIXELS': Height in Pix,
                'NODATA_PIXEL_COUNT': No Data Count,
                'OUTPUT_HTML_FILE': Path to HTML file with results,
                'TOTAL_PIXEL_COUNT': Total Pixels,
                'WIDTH_IN_PIXELS': 1891
            }
        """
        alg_string = "native:rasterlayeruniquevaluesreport"
        params = {
            "INPUT": self.raster,
            "BAND": 1,  # TODO add functionality to choose band
            "OUTPUT_TABLE": os.path.join(self.working_directory, "uniques.csv")
        }
        result = processing.run(alg_string, params)
        return result
Exemplo n.º 22
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def parcourir_reseau_jusquaux_vannes_fermees(*args):
    x = float(args[0])
    y = float(args[1])
    crs = iface.mapCanvas().mapSettings().destinationCrs()

    params = {
        'OUTPUT_LAYER_NAME': '',
        'POINT': QgsReferencedPointXY(QgsPointXY(x, y), crs)
    }

    network = {}
    try:
        network = processing.run('raepa:get_network_to_vanne_ferme_from_point', params)
    except QgsProcessingException:
        # If the object is at the end of the network, the SQL does not provide Geometry
        # so the layer is invalid but we have to continue to test upstream
        QgsMessageLog.logMessage('Erreur dans les logs de Processing/PostGIS.', 'RAEPA', Qgis.Critical)
        iface.messageBar().pushMessage(
            'Erreur dans les logs de Processing/PostGIS.', level=Qgis.Critical, duration=2)
        network['OUTPUT_STATUS'] = 0

    if network['OUTPUT_STATUS'] == 1:
        layer = network['OUTPUT_LAYER']
        layer.setName(network['OUTPUT_LAYER_RESULT_NAME'])
        symbol = QgsLineSymbol.createSimple(
            {
                'line_color': '255,50,50,255',
                'line_style': 'solid',
                'line_width': '1.8'
            }
        )
        layer.renderer().setSymbol(symbol)
        QgsProject.instance().addMapLayer(layer)
Exemplo n.º 23
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    def processAlgorithm(self, parameters, context, feedback):
        """
        Here is where the processing itself takes place.
        """

        # DO SOMETHING
        sql = (
            'SELECT aneis_uniao.geom FROM '
            '(SELECT (ST_DumpRings(geom)).* FROM '
            f'(SELECT (ST_Dump(ST_Union(geom))).geom AS geom FROM {parameters[self.TABLE]}) AS uniao '
            ') AS aneis_uniao LEFT JOIN '
            '(SELECT geom FROM '
            f'(SELECT (ST_DumpRings((ST_Dump(geom)).geom)).* FROM {parameters[self.TABLE]}) AS dump '
            'WHERE path[1] != 0) AS interior_rings ON ST_Equals(aneis_uniao.geom, interior_rings.geom) '
            'WHERE path[1] != 0 AND ST_Area(aneis_uniao.geom) > 0.0000001 AND interior_rings.geom IS NULL'
        )

        feedback.pushInfo(sql)

        find_pseudo = processing.run("gdal:executesql", {
            'INPUT': parameters['INPUT'],
            'SQL': sql,
            'OUTPUT': parameters['OUTPUT']
        },
                                     context=context,
                                     feedback=feedback,
                                     is_child_algorithm=True)

        return {self.OUTPUT: find_pseudo['OUTPUT']}
Exemplo n.º 24
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def network_to_vanne(*args):
    id_objet = args[0]

    # Use alg get_downstream_route and get_upstream_route
    params = {
        'OUTPUT_LAYER_NAME': '',
        'SOURCE_ID': id_objet
    }
    down = {}
    try:
        down = processing.run('raepa:get_network_to_vanne', params)
    except QgsProcessingException:
        # If the object is at the end of the network, the SQL does not provide Geometry
        # so the layer is invalid but we have to continue to test upstream
        QgsMessageLog.logMessage('Erreur dans les logs de Processing/PostGIS.', 'RAEPA', Qgis.Critical)
        iface.messageBar().pushMessage(
            'Erreur dans les logs de Processing/PostGIS.', level=Qgis.Critical, duration=2)
        down['OUTPUT_STATUS'] = 0

    if down['OUTPUT_STATUS'] == 1:
        layer = down['OUTPUT_LAYER']
        layer.setName(down['OUTPUT_LAYER_RESULT_NAME'])
        symbol = QgsLineSymbol.createSimple(
            {
                'line_color': '255,50,50,255',
                'line_style': 'solid',
                'line_width': '1.8'
            }
        )
        layer.renderer().setSymbol(symbol)
        QgsProject.instance().addMapLayer(layer)
Exemplo n.º 25
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    def processAlgorithm(self, parameters, context, feedback):
        """
        Here is where the processing itself takes place.
        """

        # DO SOMETHING
        sql = (
            'WITH extremos AS '
            f'(SELECT ST_StartPoint(geom) AS geom FROM {parameters[self.TABLE]} UNION ALL SELECT ST_EndPoint(geom) AS geom '
            f'FROM {parameters[self.TABLE]}), '
            'fronteira_massa AS '
            f'(SELECT ST_Boundary(geom) AS geom FROM {parameters[self.TABLE2]}) '
            'SELECT extremos.geom FROM extremos LEFT JOIN fronteira_massa ON ST_DWithin(extremos.geom, fronteira_massa.geom, 0.0000001) '
            'WHERE fronteira_massa.geom IS NULL ')

        feedback.pushInfo(sql)

        find_pseudo = processing.run("gdal:executesql", {
            'INPUT': parameters['INPUT'],
            'SQL': sql,
            'OUTPUT': parameters['OUTPUT']
        },
                                     context=context,
                                     feedback=feedback,
                                     is_child_algorithm=True)

        return {self.OUTPUT: find_pseudo['OUTPUT']}
Exemplo n.º 26
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    def snapping():

        for layer in self.layers:
            layer_type = self.layers[layer].wkbType()
            layer_name = self.layers[layer].name()

            output = {}

            if layer_type == 5:
                alg_params_snapgeometries = {
                    'BEHAVIOR': 0,
                    'INPUT': self.layers[layer],
                    'REFERENCE_LAYER': self.layer_sites_portee,
                    'TOLERANCE': self.buff_adj,
                    'OUTPUT': 'TEMPORARY_OUTPUT'
                }
                output['alg_params_snapgeometries'] = processing.run(
                    'qgis:snapgeometries', alg_params_snapgeometries)

                for feature in self.layers[layer].getFeatures():
                    for feat in output['alg_params_snapgeometries'][
                            'OUTPUT'].getFeatures():
                        if feature['code_id'] == feat['code_id']:
                            geom_wkt = feat.geometry().asWkt()
                            feature.setGeometry(QgsGeometry.fromWkt(geom_wkt))
                            self.layers[layer].updateFeature(feature)
    def processAlgorithm(self, parameters, context, feedback):
        raster =  self.parameterAsRasterLayer(parameters, self.PrmInput, context)
        out_path = self.parameterAsOutputLayer(parameters, self.PrmOutputRaster, context)
        north = self.parameterAsDouble(parameters, self.PrmNorthLatitude, context)
        south = self.parameterAsDouble(parameters, self.PrmSouthLatitude, context)
        east = self.parameterAsDouble(parameters, self.PrmEastLongitude, context)
        west = self.parameterAsDouble(parameters, self.PrmWestLongitude, context)
        rotation = self.parameterAsDouble(parameters, self.PrmRotation, context)

        if rotation == 0:
            status = processing.run("gdal:translate", {'INPUT': raster,
                    'EXTRA': '-a_srs EPSG:4326 -a_ullr {} {} {} {}'.format(west, north, east, south),
                    'DATA_TYPE': 0,
                    'OUTPUT': out_path})
        else:
            rwidth = raster.width()
            rheight = raster.height()
            center_x = (east + west) / 2.0
            center_y = (north + south)/ 2.0
            center_pt = QgsPointXY(center_x, center_y)
            ul_pt = QgsPointXY(west, north)
            ur_pt = QgsPointXY(east, north)
            lr_pt = QgsPointXY(east, south)
            ll_pt = QgsPointXY(west, south)
            distance = center_pt.distance(ul_pt)
            az = center_pt.azimuth(ul_pt) - rotation
            pt1 = center_pt.project(distance, az)
            az = center_pt.azimuth(ur_pt) - rotation
            pt2 = center_pt.project(distance, az)
            az = center_pt.azimuth(lr_pt) - rotation
            pt3 = center_pt.project(distance, az)
            az = center_pt.azimuth(ll_pt) - rotation
            pt4 = center_pt.project(distance, az)
            gcp1= '-gcp {} {} {} {}'.format(0,0, pt1.x(), pt1.y())
            gcp2= '-gcp {} {} {} {}'.format(rwidth,0, pt2.x(), pt2.y())
            gcp3= '-gcp {} {} {} {}'.format(rwidth, rheight, pt3.x(), pt3.y())
            gcp4= '-gcp {} {} {} {}'.format(0, rheight, pt4.x(), pt4.y())
            

            status = processing.run("gdal:translate", {'INPUT': raster,
                    'EXTRA': '-a_srs EPSG:4326 -a_nodata 0,0,0 {} {} {} {}'.format(gcp1, gcp2, gcp3, gcp4),
                    'DATA_TYPE': 0,
                    'OUTPUT': out_path})
        feedback.pushInfo('{}'.format(status))
        results = {}
        results[self.PrmOutputRaster] = out_path
        return (results)
Exemplo n.º 28
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    def processAlgorithm(self, parameters, context, feedback):
        inputraster = self.parameterAsRasterLayer(parameters,
                                                  self.INPUT_RASTER, context)

        params = {'INPUT': inputraster, 'OUTPUT': parameters['OUTPUT']}
        result = processing.run("gdal:translate", params, context=context)

        return {self.OUTPUT: result['OUTPUT']}
Exemplo n.º 29
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    def process_layer(self, layerpath):
        """
        Runs the GDAL algoritm to store layer in postgis
        """

        db = self.options['connection']
        params = {
            'DATABASE': db,
            'INPUT': layerpath,
            'SCHEMA': self.options['schema'],
            'TABLE': self.layer.lower(),
            'APPEND': not self.options['overwrite'],
            'OVERWRITE': self.options['overwrite']
        }
        processing.run(
            'gdal:importvectorintopostgisdatabaseavailableconnections', params)
        self.setProgress(100)
Exemplo n.º 30
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    def processAlgorithm(self, parameters, context, feedback):
        source = self.parameterAsVectorLayer(
            parameters,
            self.INPUT,
            context
        )

        if source is None:
            raise QgsProcessingException(self.invalidSourceError(parameters, self.INPUT))
        
        fields = source.fields()
        for field in fields.names():
            feedback.pushInfo('Indexing field {}'.format(field))
            params = {'INPUT': source,'FIELD': field}
            processing.run("native:createattributeindex", params)
        
        return {self.OUTPUT: source.id()}