Questions tagged [attributeerror]

an AttributeError is one of the built-in exceptions for Python. It is raised when an attribute reference or assignment fails.

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5
votes
1answer
112 views

"AttributeError: 'str' object has no attribute 'crs'" when referring to vector line layer object

I need to test if a vector layer, chosen by the user, is in geographic coordinates, according to the code below: class RoadSlopeCalculatorAlgorithm(QgsProcessingAlgorithm): def initAlgorithm(self, ...
2
votes
1answer
60 views

Crayfish plugin doesn't work in QGIS 3.20 [closed]

I have installed QGIS 3.20 in my computer and wanted to use crayfish plugin for Mesh analysis. When I install the plugin it shows the following error and the plugin does not appearing in the toolbox ...
0
votes
1answer
86 views

Python attribute error class has no attribute dlg

I am trying to create a plugin for QGIS, when I initialize the start of the plugin build and create the GUI without coding any of the buttons associated with the GUI the plugin works, but as soon as I ...
3
votes
2answers
90 views

Exporting selected layouts in ArcGIS Pro

I would like to export selected layouts from an ArcGIS project. The error I keep receiving is AttributeError: ValueObject: Get attribute exportToPDF does not exist Is there something different about ...
1
vote
1answer
47 views

"AttributeError: 'QgsZonalStatistics' object has no attribute 'getFeatures'" when filtering ZonalStatistics result in PyQGIS

I want to calculate zonal stats of a raster using a polygon layer and the filter the ouput as another layer. This is the code I tried: zoneStat = QgsZonalStatistics (tempVectorLyr, rasterLyr, '-', 1) ...
3
votes
2answers
109 views

Converting CRS from EPSG:4326 to EPSG:32635 using PyQGIS

How in QGIS 3.16 to convert from CRS EPSG:4326 to CRS EPSG:32635 using Python? I got this error: exec(open('C:/Users/aaa/AppData/Local/Temp/tmpovpzt0d0.py'.encode('utf-8')).read()) Traceback (most ...
5
votes
2answers
321 views

"AttributeError: 'str' object has no attribute 'dataProvider'" when persisting layer from memory into project

I'm writing some scripts in QGIS 3 to automate processing using a number of the inbuilt algorithms. I'm using memory layers to store the intermediate results of the algorithms. I'm looking for a ...
0
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0answers
40 views

Several attributes of polygon and linestring in a shapefile

I exported a shapefile from a web application and it has several polygon and attribute fields. I would like to have a check the fields by making use of QGIS. However, seeing the polygon fields, it has ...
5
votes
2answers
128 views

AttributeError when counting entity number using PyQGIS

I'm trying to count the number of entities but each time I have this error: `AttributeError: 'dict' object has no attribute 'featureCount' while I have only one selected layer uri = r"C:\...
0
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0answers
54 views

Error when installing QAD plugin: Plugin 'qad' could not be loaded due to an error calling its method classFactory()

I am trying to install the QAD plugin and it appears this error: No se pudo cargar el complemento 'qad' debido a un error al llamar a su método classFactory() AttributeError: 'QVariant' object has ...
1
vote
1answer
36 views

Python: Cannot construct empty GeoDataFrame with columns

My script import geopandas as gp test = gp.GeoDataFrame(columns=['geometry', 'costs']) the error: File "/usr/local/lib/python3.7/dist-packages/geopandas/geodataframe.py", line 89, ...
0
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0answers
57 views

Symbology Not Updating via Arcpy

I'm trying to update or change the symbology for two files that were created in a different part of a script. My understanding is that I can't change the symbology directly, but that I can update it ...
0
votes
1answer
66 views

Using ArcGIS API for Python and Windows Authentication?

I've been trying to follow the ESRI recommended workflow to log on to Enterprise (using authentication), but it just doesn't want to work. I'm able to get the account credentials registered in ...
0
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0answers
57 views

AttributeError: Object: Tool or environment <TrainSupportVectorMachineClassifier> not found

I am new to coding and do not know what I am getting the error message: AttributeError: Object: Tool or environment not found. My first line of code is the typical "import arcpy....." I ...
4
votes
2answers
369 views

AttributeError: 'Layer' object has no attribute 'metadata' from ArcPy with ArcGIS Pro

I am trying to get the metadata for each layer within each map within a ArcGIS Pro project (.aprx file), but get this error message: AttributeError: 'Layer' object has no attribute 'metadata'. The ...
2
votes
1answer
118 views

AttributeError: 'SpatialReference' object has no attribute 'ImportfromWkt'

I just started using gdal. I'm trying to get longitude and latitudes from pictures. This is what I have so far. This gives me an attribute error. Anyone know how to fix the attribute error? from ...
2
votes
1answer
64 views

Shapefile type description showing attribute error

import arcpy esc = arcpy.Describe("C:\Users\Drona_Maps\Desktop\lecture16\shapefiles\world_continents.shp") print esc.ShapeType Shape file type description showing attribute error like this: ...
1
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0answers
199 views

AttributeError: 'NoneType' object has no attribute 'GetLayer'

Using: QGIS 2.18 with a plugin: ECOPLAN Scenario evaluator, inserting self-made shapefiles made in Arcmap. Received this error: Traceback (most recent call last): File "C:/Users/PAU-...
0
votes
1answer
427 views

RQGIS3 : AttributeError: module '__main__' has no attribute 'RQGIS3'

I am trying to use the RQGIS3 package to access QGIS3 functions from R, and although briefly I had things working (mostly), running the following code: library(RQGIS3) qgis_env <- set_env("C:/...
2
votes
0answers
53 views

Using QGIS plugin default code produces attribute error

Using Windows 10/QGIS 2.18 and QT Designer, I am creating a plugin that will create several random point selections and to place the results by appending several point layers. So I created a "...
1
vote
1answer
118 views

AttributeError from PDF Export from ArcMap Bookmark Loop [closed]

import arcpy, os, datetime folderPath = r"C:\path" dateTimeStamp = time.strftime('%Y%m%d') basename = "Flows" mxd = arcpy.mapping.MapDocument(r"C:\path\file.mxd") df = arcpy.mapping.ListDataFrames(...
2
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0answers
402 views

QGIS Python AttributeError: 'NoneType' object has no attribute 'processingRegistry' [closed]

I am executing a QGIS Desktop 3.8.3 Python 3 script. from osgeo import ogr, gdal from gdalconst import * from qgis.core import * import qgis.utils, sys from qgis.gui import * from PyQt5.QtGui ...
1
vote
1answer
186 views

GDAL module in python error

I have some troubles with GDAL module on Python. When I try to import gdal, console displays this: Файл "c:/rstp/Lib/site-packages/osgeo/__init__.py", строка 48, из <module> __version__ = ...
0
votes
1answer
268 views

GetRasterBand()Method for GDAL in Python

I'm working on getting the NDVI value of Landsat imagery 2018 using band 4 and 5 but I have encountered a slight problem. import osgeo from osgeo import gdal#gdal, data conversion tool from ...
0
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1answer
2k views

AttributeError: 'Series' object has no attribute 'has_z'

I got the following GeoDataFrame taken from a CSV file and after some slincing and CRS and geometry asignment ctf_nom geometry id 0 Prunus ...
1
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0answers
1k views

Python - Issue to create choropleth map based on GeoJSON file: AttributeError

I'm trying to build a choropleth map, I cannot figure out why I get this error: AttributeError: 'NoneType' object has no attribute 'get' Here is my code: station_nb is a dataframe with values ...
1
vote
1answer
154 views

Getting AttributeError when exporting Heatmap using qgis2web? [closed]

I want to make a heatmap layer on my webgis. using these options but when i'm trying to export it using qgis2web i always get this error. 2019-06-21T10:15:53 WARNING Traceback (most recent ...
2
votes
1answer
422 views

Exporting attributes from QGIS to TXTF file using Python

I have used this method outlined in: https://howtoinqgis.wordpress.com/2016/10/31/how-to-export-attributes-from-qgis-to-a-txt-file/ ##input_file=vector from qgis.core import * import processing # ...
3
votes
0answers
63 views

Lines length plugin - QgsVectorLayer error

Several similar questions have already been made, but none of the is helping me. I have a layer of polygons and I want to known the length of each line of each polygon. And based on the length I ...
1
vote
0answers
253 views

Getting AttributeError: 'NoneType' object has no attribute 'sourceCrs' from TIN Interpolation in QGIS?

I am trying to use the TIN interpolation to interpolate conductivities between a vector layer in QGIS 3.4. and I always get this error: Traceback (most recent call last): File "C:/PROGRA~1/QGIS3~...
1
vote
1answer
342 views

'NoneType' object has no attribute 'identify'

I'm trying to run a console script, but it gives an error: : AttributeError:'NoneType' object has no attribute 'identify' Yet it works well in QGIS 3.7 Here is the script: import sys import time ...
1
vote
0answers
205 views

QGIS Python AttributeError object has no attribute 'pushVersionInfo'

I am unable to use almost all of the processing toolbox features in QGIS. I keep getting the following Python error across multiple algorithms: AlgorithmDialog.py", line 208, in runAlgorithm self....
0
votes
2answers
199 views

Geoviews Attribute error

I just installed GeoViews with success and I tried to follow one example at the first page of their site and this already gave me an error. In fact, there are two errors of the same type that occurred ...
0
votes
1answer
3k views

Getting AttributeError: 'module' object has no attribute 'CalculateGeometryAttributes_management'?

I am trying to calculate the area for my grid cells. For that, I give the following command arcpy.CalculateGeometryAttributes_management(union, "AREA") Here, union is my grid and I need to make a ...
1
vote
1answer
2k views

Displaying attribute field value in TextElement gives AttributeError: 'list' object has no attribute 'text'?

I am new in Python scripting. I have a geodatabase with layer Test and this layer has field Name and Text element on layout named TEname. I am trying to show selected feature attribute Name value in ...
1
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0answers
489 views

GeoPandas geocode error when using Nominatim

I am following this lesson about Geocoding. I have entered: # Import necessary modules import pandas as pd # Filepath fp = r"addresses.txt" # Read the data data = pd.read_csv(fp, sep=';') data....
2
votes
0answers
135 views

Clipping outside QGIS with PyQGIS?

This is my first script and I having a problem trying to clip a shp file. I'm running on a linux server and this is my code: #! python from datetime import date from qgis.core import * from PyQt4....
1
vote
1answer
1k views

Getting AttributeError from ArcPy?

I'm working on a simple Python code to make a raster from a shapefile using the Natural Neighbors tool, and then use the resulting raster to generate a contour using the Contour tool. I keep getting ...
0
votes
1answer
381 views

Tried running a script, kept getting "AttributeError: DescribeData: Method spatialReference does not exist"

Anyone know how i can fix this problem below? I am trying to merge all the layers under the same name in different subfolders. import arcpy import os # parameters input_folder = arcpy....
0
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0answers
1k views

AttributeError: Myclass instance has no attribute 'x'

I am trying to select a feature from the layer using my plugin. When working with my plugin in main Python function using QGIS, I receive an AttributeError when I call a class method from within the ...
0
votes
1answer
1k views

AttributeError: DescribeData: Method fieldInfo does not exist

I have a script that looks at feature class inside a .gdb and prints some simple information about the attributes field. Note- these is actually only one feature class in the .gdb. I want use the ...
0
votes
1answer
920 views

Features show on data view, but not in Attribute table?

There are 966 points for tree data that was collected in the field. When I try to open the attribute table only 2 points' data show up. I've tried to create layer from selected, because when I choose ...
2
votes
1answer
4k views

AttributeError: 'NoneType' object has no attribute 'pushButton'

I am using PyQt5 working in QGIS to create a simple plugin. I started by creating a pushButton with QtCreator and create an event using this code: from PyQt5.QtCore import QSettings, QTranslator, ...
0
votes
2answers
1k views

arcpy.Delete_management not working?

I've updated the code with the suggestions in the code but still not working. arcpy.env.workspace = r'F:\EGM722 - Customising GIS apps\Assignment\folklore.gdb' arcpy.env.overwriteOutput = True arcpy....
2
votes
0answers
1k views

QGIS Error: Join attribute by location

I'm getting this error code with QGIS when I am using the tool Join attribute by location: I'm trying to join the attribute table of polygons into my vector points attribute table. Processing ...
3
votes
2answers
85 views

Duplicating existing polygons based upon number in attribute field using ArcPy gives AttributeError?

We are working with parcel data that includes a single polygon for each individual tax parcel. We need to develop a list that includes an attribute for each residential address. Some tax parcels could ...
1
vote
0answers
195 views

Debugging AttributeError Invalid destination path from ArcPy? [duplicate]

I am struggling with using Python to export an mxd to PDF. The final PDF would have 4 pages, each with the same extent but with a different layer displayed. Below is the code I entered into the ArcMap ...
0
votes
0answers
702 views

AttributeError: 'unicode' object has no attribute 'replaceWorkspacePath' [duplicate]

I must of written this code using 15 different structures with no luck. I am simply trying to take an old layer 'Windfarms' stored in 'C:\Users\darle\Desktop\MXD_Test\Test.gdb' and replace it with '...
2
votes
3answers
34k views

AttributeError: class instance has no attribute 'class_function'

When working in my plugin's main python function, I receive an AttributeError anytime I call a class method from within the class itself. For example the sample code below: class PluginName: def ...
2
votes
1answer
4k views

AttributeError: 'NoneType' object has no attribute 'asPoint' [closed]

I'm new to QGIS, and have never used the Python console. I have created a complex layer in QGis using an experimental, plugin which I had to manually install. It contains 91506 features; lines going ...