Questions tagged [python-2.7]
Version 2.7 of the Python programming language
691
questions
2
votes
2
answers
250
views
ERROR 000732 - Dataset * does not exist or is not supported Failed to execute (CopyFeatures)
My main goal is to export a layer from ArcMap as a shapefile and upload it to AGOL. However, I am stuck at this intersection.
All my scripts work in the python console within ArcMap. However, I cannot ...
- 23
0
votes
0
answers
13
views
QGIS and Python 2.7 - cannot find qgis installation at /usr despite qgis being installed
I am trying to install python library qmesh but it seems to have issues with python3 so I am attempting with python2.7. I've got qgis 3.2.2 installed but I am getting an error saying 'Could not find a ...
- 1
0
votes
1
answer
42
views
Inserting new point from XY Coordinates with field values using ArcPy
I am trying to add new point from table using XY coordinates fields to database. I can add point without fields, but when i try to add point with field values i can not do it. In SearchCursor ID is a ...
1
vote
1
answer
86
views
Using relationship classes in ArcPy
Is there any way to use relationship classes with ArcPy to access associated records?
The ArcGIS Idea for there to be An Arcpy method for dealing with related records leads me to believe that there is ...
- 54
0
votes
0
answers
58
views
arcpy.mapping.MapDocument("CURRENT") not working in sub thread
I want to create a customize tool in ArcMap by Python Add-in wizards.I found that arcpy.mapping.MapDocument("CURRENT") does not work in the sub thread.
How can I call main thread to execute ...
1
vote
3
answers
124
views
WFS layer saved as a shapefile
I wish to interrogate a WFS layer: 'https://environment.data.gov.uk/spatialdata/flood-map-for-planning-rivers-and-sea-flood-zone-2/wfs'
I am not the greatest python programmer (not quick) but can do a ...
- 11
0
votes
0
answers
462
views
Error when pip install -e geonode: Getting requirements to build wheel ... error
I am unsure as to where my current problem is, can someone please point me to my existing problem and possible solution.
(geonode_env) C:\Users\amell\Documents>pip install -e geonode
...
- 561
0
votes
0
answers
238
views
Why do images in Open CV template matching get matched to the templates more than once?
The following code reads the set of input tiff files under tiffile and template tiff files under files and performs template matching on them. After the image gets matched, opencv contour extracts the ...
0
votes
1
answer
29
views
Receiving "unexpected error" after running script with ternary operator in ArcMap
I am using Python 2.7 and ArcMap 10.8.
I made this script that will replace the datasource of particular layers in my "template" mxd and then save a copy of the mxd to a designated folder. I ...
- 41
0
votes
0
answers
39
views
TableToTable (CSV to GDB) with WKT column
I have a CSV file with a WKT column with LINESTRINGS as geometry.
How do I setup the call to TableToTable() in order to directly "transform" that WKT column to a shape/geometry column (while ...
- 111
0
votes
0
answers
17
views
Calling help for ArcPy function from within IDE
In IDLE (for Python v2.7.2 within my ESRI path), when I type:
help(arcpy.gp.Slope_sa)
I get:
Help on function <lambda> in module arcpy.geoprocessing._base:
<lambda> lambda *args
which ...
- 369
0
votes
0
answers
106
views
Why does my "Export to CAD" script work in Python 3.7, but not in 2.7?
I've written a script that iterates through all feature classes in a dataset in a geodatabase and writes them to separate dwg-files. In this case 230 feature classes. If I run the script in Python 2.7....
- 161
1
vote
0
answers
36
views
Adding an incrementor in CalculateField_managment() expression
I am trying to recalculate a value for a field using arcpy.CalculateField_management() using a tricky expression. Currently, I am recalculating one field named REACH_ID, using another field ('CO_FIPS')...
- 1,659
4
votes
1
answer
478
views
Python - Correct way of closing ogr.DataSource() objects
I learned that I need to close objects that I open, usually using a with open(): statement that does the closing for you after leaving it. With GDAL/OGR, this does not work and objects must be closed ...
- 1,154
1
vote
0
answers
60
views
Speed up zonal statistics with additional calculation
I have two rasters, one is a classified image and the other the corresponding probabilities for a correct classification. Now I need to calculate zonal statistics for polygon segments in the following ...
- 1,154
5
votes
2
answers
1k
views
Get feature class names inside ESRI File Geodatabase
I have a project folder with many many folders within that. Some of these child folders contain an ESRI File Geodatabase(s). I want to list all the feature classes that are inside the GDBs that have ...
0
votes
0
answers
50
views
Adding tool from Python script
I am trying to add Python script as a tool in ArcMap 10.6. I have the result or outcop3 saved in the folder Outputs. I added a output folder in the parameter and made the direction as output but i am ...
- 33
0
votes
1
answer
115
views
Removing empty dataset from gdb
I want to delete about 25 datasets that are empty from my gdb file which consists 30 datasets. I am invoking pPthon window and trying to execute this script:
import arcpy
from arcpy import env
env....
- 17
1
vote
2
answers
171
views
Extracting values of some columns with ArcPy
I've been trying to run some code to extract the values from a column and random sample some of them.
The problem is when I try to append values from the cursor to a list.
When I append values to the ...
- 105
0
votes
1
answer
510
views
Cannot use "CalculateGeometryAttributes_management()" tool to calculate the centroids of features with Arcpy
I've been trying to run some code in Python with ArcPy library.
Everything is working fine, but in the end of the code there is a part that I want to calculate the centroids, x and y, with ...
- 105
1
vote
1
answer
65
views
Cannot generate subsets of feature class with arcpy (ArcGIS library in Python 2.7)
I'm having a hard time here on processing GIS data in Python, using library arcpy.
I've been trying to generate independent features from a feature class based on a field of the attribute table which ...
- 105
0
votes
1
answer
64
views
Python 2.7 stand alone script for compounded with statement. Errors 'column specified does not exist - but it does
I'm writing a standalone Python script to use for labeling ArcMap 10.7 data. (Want to avoid label expressions for portability, etc). I'm attempting to use ID attribute to label based on ADMIN_ORG ...
0
votes
0
answers
54
views
How do I assign values of a field, to another empty field when a conditional statement pertaining to a third field is considered?
When I run the code below I don't get the output I'm seeking. The "max_proportion" field is assigned the text LEVELMEAN instead of the values for each row within the "LEVELMEAN" ...
- 1
2
votes
0
answers
378
views
.exe Packaging for Python files with ArcPy?
I've written a little program that's meant to function as a stand-alone, not as an add-in. I'd like to be able to pack it up as an .exe, rather than ask my users to run the script. It does import ...
- 105
2
votes
2
answers
527
views
Cannot calculate length of roads
I would like to calculate the lenght(km) of each line in shapefile of roads in a study area. I tried to use "Calculate Geometry" but it doesn't work! I cannot select 'Units', and 'Property' for '...
- 49
1
vote
1
answer
60
views
Invalid Syntax on Update Cursor update
I'm using a dictionary created by a search cursor from one feature class to update another feature class with an update cursor. I'm getting an invalid syntax error for the cursor.updateRow(row) and.....
- 345
0
votes
0
answers
36
views
Create a loop to run and store the r.stats output of several viewsheds?
I have 15 viewsheds (view 0-14) from which I would like to export the cell count. I can do this for one viewshed through:
count=[]
i=0
viewshedSize=grass.read_command("r.stats", overwrite=True,flags=...
- 13
0
votes
1
answer
124
views
Adding multiple fields for multiple feature classes in a single geodatabase
I am trying to add multiple fields to a list of feature classes in a geodatabase for NextGEN911. I am having trouble executing this line of code because I am getting the following error
#Import ...
2
votes
0
answers
71
views
Determining raster points inside polygon
I am trying to perform zonal statistics on a input DEM and a polygon shapefile using ArcPy in Python 2.7. I have done this in Python 3, but want to be able to do it using ArcPy tools in Python 2.7. So ...
- 21
0
votes
0
answers
82
views
No response from addPart operation when trying to upload parts of .tpk to AGOL (Python, requests, ArcGIS REST API)
Trying to automate the updating of a large .tpk on AGOL. When the .tpk is updated on my servers I do the following:
Break into parts
Call updateItem operation with multipart = true
Make a request to ...
- 33
1
vote
0
answers
127
views
ArcPy for loops increase duration with each iteration
I am running an ArcPy script with IDLE 2.7
For each line in a geometric network, it traces the path to a fixed location from that input line.
For each input line, it does this trace with all other ...
- 870
0
votes
0
answers
25
views
Get the count of no. of polygons after intersecting shapefiles
There are 2 shapefiles:
1. A polygon shapefile
2. Grid shapefile(which needed to be run in a loop)
Need to intersect the above 2 shapefiles and to get the count of no. of intersected polygons(which ...
- 1
0
votes
0
answers
338
views
Handling nodata values in raster in Python
I would like to set value of raster -999.0 as NaN in crop_image function, while reading/cropping file:
for band_path in range_bands:
# open raster as numpy array by rater.io in content manager(...
- 67
1
vote
0
answers
69
views
Translating OMI(AURA) HDF5 To GeoTIFF?
I have omi (aura satellite) level 2 data sets for the aerosol product in he5 file format. Now I want to read that he5 file and save it as geotiff format in python. Could you help me anyone regarding ...
- 11
0
votes
1
answer
129
views
Can an input be the same as the target with arcpy.Append?
I am basically trying to append the records of one feature class to another using arcpy.Append_management. They have similar but different schemas (they both have a uniqueid column but they also have ...
- 1,659
1
vote
2
answers
179
views
Delete duplicate records from feature class in Python
I saw some examples with for loop to find duplicates.
I had 1.5 million records in feature class, what would be fastest way to find duplicates and delete that particular rows.
Based on three fields, ...
- 103
1
vote
0
answers
131
views
Listing items using QGIS combo box from PostgreSQL
I am building a plugin for QGIS which will have a combo box listing data from PostGreSQL.
I have already connected PostGreSQL.
Now I would want to make this a plugin and add the list of jobs to the ...
0
votes
0
answers
57
views
Alternatives to ArcGIS' "RegionGroup" a raster
I'm using the ArcGIS Python 2.7 interpreter in my PyCharm as I need several algorithms of the ArcPy package. However, I am having trouble with the RegionGroup of ArcGIS 10.7, as it sometimes crashes ...
- 739
1
vote
0
answers
580
views
Displaying projection with IMSHOW()
I am having an issue displaying satellite data on the correctly projection using cartopy and imshow. I am unsure of the initial data projection, but I am trying to put it into Plate Carree with a ...
- 11
1
vote
1
answer
228
views
How to disconnect a feature from Geometric Network using Python ArcGIS
I am creating a Python add-in for ArcMap, which on click, will disconnect the feature from Geometric Network and then delete it from the feature class. But ArcPy doesn't have any method to disconnect ...
- 824
0
votes
0
answers
117
views
Import error with Mapnik in Anaconda 2
I'm using Anaconda to write geographic programs, so I need to use packages like Mapnik.
After installing Mapnik in Anaconda2, it started to error. First about Mapnik itself and after do some actions ...
- 1
1
vote
1
answer
207
views
Remove layer assertion error
I am using below code to remove any layer if it has zero features in it.
mxd = arcpy.mapping.MapDocument("CURRENT")
aDF = mxd.activeDataFrame
namE = ["No_Work_Done"]
if int(arcpy.GetCount_management(...
- 375
1
vote
2
answers
115
views
ArcPy Tool Validator error with defined parameter value
I am using ArcMap 10.3.1.
I have two parameters for my script tool. The first is the type of product to be created, the second is the scale of the product. Digital Map / No scale required are the ...
- 25
1
vote
0
answers
29
views
Getting (0,0) instead of the intersecting co-ordinates value
This code works below fine when line(The Circle I mean) intersects more than two new lines but fails when both the intersection falls in the middle of the same line
polygon_path = iface.activeLayer()
...
- 163
1
vote
0
answers
68
views
Renaming pre-existing table Field name using PyQGIS
I am using PyQGIS with QGIS 2.84.
This is the code I have used:
layer = iface.activeLayer()
parking_layer_field_names = [str(i.name()) for i in point_layer3.pendingFields()]
layer.startEditing()
...
- 163
0
votes
1
answer
52
views
Run code on pressing a key in Pythonaddins
I tried making an addin having below code where I want the user to press a predefined key and the "required_code" should run on the selected features.
import arcpy
import pythonaddins
class Key1(...
- 375
5
votes
1
answer
3k
views
Unable to install plugins in QGIS 3.10 for Mac. No python support detected
I'm aware this question has already been asked numerous times in various forms, but I'm not finding any solutions that work for me. "No python support detected" in QGIS.
Issue:
Tried:
1. Updating ...
- 1,060
1
vote
1
answer
184
views
Why will arcpy.Project_management not create output?
I have 2 feature datasets in a .gdb (CNMS_Inventory and CNMS_Inventory_Albers). I set the dataset for CNMS_Inventory to 4269(NAD83) when I created it and it contains a feature class called ...
- 1,659
0
votes
1
answer
289
views
Applying field mapping during Merge using ArcPy
I am trying to merge 10 stream feature classes together using arcpy. But I need to limit the number of fields in the output (all feature classes share the same fields).
working_dir = r"C:\Projects\...
- 1,659
1
vote
1
answer
122
views
How to specify fields to use in a merge
I am using arcpy to merge multiple feature classes from a list of feature classes. They all have the same fields. Let's say they all have the fields = ['CO_FIPS', 'MILES', 'FLOOD_ZONE', 'VALID', '...
- 1,659