Questions tagged [attributeerror]
an AttributeError is one of the built-in exceptions for Python. It is raised when an attribute reference or assignment fails.
108
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AttributeError in QGIS model during batchmode processing
I'm running a custom model from in batch mode. It has the following tools:
Raster Calculator
Polygonize (raster to vector) (GDAL)
Simplify
A lot of field calculators
Drop field(s) (the final tool in ...
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1
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1
answer
59
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AttributeError: 'QgsNetworkAccessManager' object has no attribute 'setTimeout' when calling QGIS plugin
Do you know what is causing this issue?
Couldn't load plugin '_plugin' due to an error when calling its classFactory) method
AttributeError: 'QgsNetworkAccessManager' object has no attribute '...
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1
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1
answer
37
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AttributeError when creating list field with QVariant in QgsVectorLayer using PyQGIS
I am trying to create a list-type field for the active layer using the code below, which is not working.
Is there any other way to create a list-type field and update the list([1,2,3]) as an attribute ...
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44
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GEE Python API method 'prepare_for_export' not available
I want to prepocess a batch of Sentinel-2 images using the code provided by ndminhhus. Earth Engine authentication, Py6S, custom module "atmospheric", basically all necessary modules have ...
4
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1
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434
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"AttributeError: 'dict' object has no attribute 'fields'" error when creating and deleting fields in the attribute table using PyQGIS
I am currently making a code that will buffer the points then extract vertices and add new coordinates. but I also want to change the "max depth" column to "Height Theo" and then ...
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233
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Python script to copy layout template and create new layouts based off other maps in ArcGIS Pro
I am trying to write a script to use in the ArcGIS Pro Python console which copies an initial layout from an APRX (Layout1) below, then uses this to create multiple layouts which use other maps within ...
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3
votes
1
answer
71
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Numerical digitize give a stack trace error on all releases after 3.18 [closed]
I use the numerical digitize plugin often and it no longer functions in versions of QGIS released after 3.18. Please help or offer another option.
The error is as follows
2023-03-25T14:42:28 ...
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3
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2
answers
87
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AttributeError when calculating area in hectares in PyQGIS
I want to calculate the area of the polygon and add it to the attribute table as another column. I used this script:
from qgis import processing
inlayDir = iface.activeLayer()
P3_boundary = r'C:\...
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-1
votes
1
answer
130
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AttributeError when modifying vector layer symbology with PyQGIS
In QGIS 3.22 I'm facing a problem with QgsMapLayer. I want to use it on QGIS in order to modify the symbology of line, point & polygon in each layer but every time it gives me an error on using ...
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1
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316
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AttributeError: DescribeData: Method shapeType does not exist
Can anyone help me resolve this error?
Traceback(most recent call last): File "*file.py", Line 15 in
if (arcpy.Describe(lyr).shapeType) == 'Polygon': AttributeError:
DescribeData: Method ...
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2
votes
1
answer
335
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AttributeError: 'NoneType' object has no attribute 'selectByExpression'
I get the error: AttributeError: 'NoneType' object has no attribute 'selectByExpression'
The first run through the loop is fine but at the second run the error occurs.
How do I fix this?
import ...
0
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2
answers
98
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Converting threshold MNDVI from Google Earth Engine to Jupyter Python?
I want to convert the script threshold for MNDVI from Google Earth Engine (JavaScript) to Jupyter (Python).
In this case, we make the threshold to 4 class MNDVI and the result is one layer, like this
...
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157
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Viewshed error QGIS
I'm a newbie to SE (and to QGIS), wondering if you could give me a hand with an error I don't know how to fix.
I am doing a vis analysis in QGIS, viewshed keeps showing the error AttributeError: '...
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1
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479
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Fixing AttributeError: 'module' object has no attribute 'MakeRasterLayer_management'
I'm trying to change my slope map's labels and colors to the specific ones I want which are shown in the code, but when I run this script it produces an AttributeError that doesn't make sense to me ...
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193
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Applying functools.reduce to make Geopandas geometries valid for unary_union
I want to calculate the total area of a GeoDataFrame, year_df, where the geometries overlap so I need to take the union. I was running into an issue with unary_union (some TopologyException that the ...
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1
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269
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Changing stroke width of polygon with categorized symbology using PyQGIS
I have a polygon layer with categorized symbology. I want to change the stroke width of all the categories without touching the categories or colours.
Here is the script I have after looking a similar ...
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2
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1
answer
377
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Putting shapefile on map in ArcGIS Online using ArcGIS Python API and Jupyter Notebook
I inserted a shapefile (in .zip as required) to ArcGIS Online through Jupyter notebook:
from arcgis.gis import GIS
my_gis = GIS()
m = my_gis.map()
#let's put the shape file to AGOL
shp_item = my_gis....
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1
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1
answer
2k
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QTableWidget hoizontalHeaderItem is returning None
I am developing a tool is Qgis3 using PyQt5. I am adding columns using a button and the setting column names using 'setHorizontalHeaderItem'. But it gives None while trying to read it. Following is ...
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1
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1k
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Attributes disappears from KMZ-file when imported in QGIS
I have a KMZ-file with polygons that I want to edit in QGIS. When I open it in Google Earth it has some attributes, when I open it in QGIS the attributes disappears or look different. How do I get the ...
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4
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1
answer
1k
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GeoPandas write esri-shape file failure: AttributeError: 'DataFrame' object has no attribute 'to_file'
I've got a geodata-frame like this:
grid_up2geo.head()
Out[13]:
jahr la3_id ... 0 geometry
0 2000 1 ... 0 POLYGON ((2690000.000 4342000.000,...
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1k
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AttributeError: type object 'object' has no attribute '__getattr__'
I have made a PyQt application where I load UAV images and I display the coordinates (lat, long) according to where the mouse pointer shows. I use this code: Converting a pixel coordinate in GeoTIFF ...
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6
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1
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676
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"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, ...
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2
votes
1
answer
587
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 ...
- 305
1
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1
answer
2k
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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 ...
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3
votes
2
answers
974
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 ...
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1
vote
1
answer
110
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"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)
...
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3
votes
2
answers
947
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 ...
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5
votes
2
answers
2k
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"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 ...
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2
votes
1
answer
2k
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AttributeError while Plotting GeoDataFrame
I am new to geopandas. I am trying to plot the locations of bays and gulfs. I have a csv file containing their names. After geocoding and finding their locations, I tried to plot the points on a world ...
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1k
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AttributeError: 'NoneType' object has no attribute 'parameterDefinitions'
I'm trying write simple code line in PyQgis in PyCharm, have already set environment in PyCharm and seems to be working fine because I can iterate through f.i fields in vector layer proceed with ...
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7
votes
2
answers
346
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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:\...
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0
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339
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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 ...
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1
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160
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Python: Cannot construct empty GeoDataFrame with columns [closed]
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, ...
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1
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460
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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 ...
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0
answers
138
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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 ...
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4
votes
2
answers
1k
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AttributeError: 'Layer' object has no attribute 'metadata' from ArcPy with ArcGIS Pro [closed]
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 ...
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3
votes
1
answer
339
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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 ...
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2
votes
1
answer
122
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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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0
answers
348
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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
1
answer
525
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
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0
answers
103
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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 "...
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1
vote
1
answer
189
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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(...
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0
answers
797
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 ...
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583
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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
1
answer
716
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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 ...
3
votes
1
answer
6k
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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 ...
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0
answers
1k
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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 ...
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1
vote
1
answer
187
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
1
answer
753
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
# ...
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3
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0
answers
83
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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 ...
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