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Issue converting csv files to point shapefiles using pyqgis - Qgis 3

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1

I have hit a snag using pyqgis in Qgis 3. I want to convert a set of csv's (20 total) into point shapefiles but I am struggling with just the single csv case. My code is based on this blogpost (https://www.geodose.com/2018/07/python-qgis-tutorial-adding-csv-data.html). I keep getting the same error but the "reason" section of the error message is always empty.

Any help is greatly appreciated.

My code:

This is the full code, I have not imported any additional packages.

path = "C:/Users/.../Weather/CSVs/precip_1992.csv"

uri = path + "?encoding=%s&delimiter=%s&xField=%s&yField=%s&crs=%s" % ("UTF-8",",", "longitude", "latitude","epsg:4326")

vlayer = QgsVectorLayer(uri,'Points', 'delimitedtext')

print(vlayer.isValid())



iface.addVectorLayer(uri,'Points','delimitedtext')

The error message in the "messages" log:

    2019-03-13T15:23:27     CRITICAL    Layer is not valid : The layer 

    C:/Users/.../CSVs/precip_1992.csv?encoding=UTF-8&delimiter=,&xField=longitude&yField=latitude&crs=epsg:4326 is not a valid

 layer and can not be added to the map. Reason:

The error message in the "delimited" log:

    2019-03-13T15:27:59     WARNING    

File cannot be opened or delimiter parameters are not valid

Sample of my csv file:

longitude,latitude,year,sum_precip,avg_precip

-179.75,71.25,1992,150.3,12.525001

-179.75,68.75,1992,189.5,15.791667

-179.75,68.25,1992,226.7,18.891666

-179.75,67.75,1992,287.10001,23.925001

pyqgis shapefile convert qgis-3 csv

share

asked 4 mins ago

Dante ZagoDante Zago

61

New contributor

Dante Zago is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

1

I have hit a snag using pyqgis in Qgis 3. I want to convert a set of csv's (20 total) into point shapefiles but I am struggling with just the single csv case. My code is based on this blogpost (https://www.geodose.com/2018/07/python-qgis-tutorial-adding-csv-data.html). I keep getting the same error but the "reason" section of the error message is always empty.

Any help is greatly appreciated.

My code:

This is the full code, I have not imported any additional packages.

path = "C:/Users/.../Weather/CSVs/precip_1992.csv"

uri = path + "?encoding=%s&delimiter=%s&xField=%s&yField=%s&crs=%s" % ("UTF-8",",", "longitude", "latitude","epsg:4326")

vlayer = QgsVectorLayer(uri,'Points', 'delimitedtext')

print(vlayer.isValid())



iface.addVectorLayer(uri,'Points','delimitedtext')

The error message in the "messages" log:

    2019-03-13T15:23:27     CRITICAL    Layer is not valid : The layer 

    C:/Users/.../CSVs/precip_1992.csv?encoding=UTF-8&delimiter=,&xField=longitude&yField=latitude&crs=epsg:4326 is not a valid

 layer and can not be added to the map. Reason:

The error message in the "delimited" log:

    2019-03-13T15:27:59     WARNING    

File cannot be opened or delimiter parameters are not valid

Sample of my csv file:

longitude,latitude,year,sum_precip,avg_precip

-179.75,71.25,1992,150.3,12.525001

-179.75,68.75,1992,189.5,15.791667

-179.75,68.25,1992,226.7,18.891666

-179.75,67.75,1992,287.10001,23.925001

pyqgis shapefile convert qgis-3 csv

share

asked 4 mins ago

Dante ZagoDante Zago

61

New contributor

Dante Zago is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I have hit a snag using pyqgis in Qgis 3. I want to convert a set of csv's (20 total) into point shapefiles but I am struggling with just the single csv case. My code is based on this blogpost (https://www.geodose.com/2018/07/python-qgis-tutorial-adding-csv-data.html). I keep getting the same error but the "reason" section of the error message is always empty.

Any help is greatly appreciated.

My code:

This is the full code, I have not imported any additional packages.

path = "C:/Users/.../Weather/CSVs/precip_1992.csv"

uri = path + "?encoding=%s&delimiter=%s&xField=%s&yField=%s&crs=%s" % ("UTF-8",",", "longitude", "latitude","epsg:4326")

vlayer = QgsVectorLayer(uri,'Points', 'delimitedtext')

print(vlayer.isValid())



iface.addVectorLayer(uri,'Points','delimitedtext')

The error message in the "messages" log:

    2019-03-13T15:23:27     CRITICAL    Layer is not valid : The layer 

    C:/Users/.../CSVs/precip_1992.csv?encoding=UTF-8&delimiter=,&xField=longitude&yField=latitude&crs=epsg:4326 is not a valid

 layer and can not be added to the map. Reason:

The error message in the "delimited" log:

    2019-03-13T15:27:59     WARNING    

File cannot be opened or delimiter parameters are not valid

Sample of my csv file:

longitude,latitude,year,sum_precip,avg_precip

-179.75,71.25,1992,150.3,12.525001

-179.75,68.75,1992,189.5,15.791667

-179.75,68.25,1992,226.7,18.891666

-179.75,67.75,1992,287.10001,23.925001

pyqgis shapefile convert qgis-3 csv

share

asked 4 mins ago

Dante ZagoDante Zago

61

New contributor

Dante Zago is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

path = "C:/Users/.../Weather/CSVs/precip_1992.csv"

uri = path + "?encoding=%s&delimiter=%s&xField=%s&yField=%s&crs=%s" % ("UTF-8",",", "longitude", "latitude","epsg:4326")

vlayer = QgsVectorLayer(uri,'Points', 'delimitedtext')

print(vlayer.isValid())



iface.addVectorLayer(uri,'Points','delimitedtext')

    2019-03-13T15:23:27     CRITICAL    Layer is not valid : The layer 

    C:/Users/.../CSVs/precip_1992.csv?encoding=UTF-8&delimiter=,&xField=longitude&yField=latitude&crs=epsg:4326 is not a valid

 layer and can not be added to the map. Reason:

    2019-03-13T15:27:59     WARNING    

File cannot be opened or delimiter parameters are not valid

longitude,latitude,year,sum_precip,avg_precip

-179.75,71.25,1992,150.3,12.525001

-179.75,68.75,1992,189.5,15.791667

-179.75,68.25,1992,226.7,18.891666

-179.75,67.75,1992,287.10001,23.925001

share

asked 4 mins ago

Dante ZagoDante Zago

61

New contributor

Dante Zago is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 4 mins ago

Dante ZagoDante Zago

61

New contributor

Dante Zago is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 4 mins ago

Dante ZagoDante Zago

61

New contributor

Dante Zago is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 4 mins ago

Dante ZagoDante Zago

61