A python API created by ESRI to perform geoprocessing and layer management.
0
votes
0answers
18 views
Pyscripter hangs on spatial join?
I've got a script which loops through a series of FC layers (tracker points). Using a FOR loop, they're reprojected then joined to a streets layer.
Sometimes it works fine, then other times it never ...
3
votes
1answer
33 views
How to check via Arcpy if ArcMap is currently in an edit session or not?
I've created a Python add-in button that helps speed up my coworkers workflow by copying one feature class attribute to another. It uses the arcpy.UpdateCursor function to update a row in the target ...
0
votes
0answers
30 views
OD cost matrix Arcpy
I'm trying to create an OD cost matrix python script.
I'm doing an OD cost matrix analysis. I'll find out the average time with patients to hospitals over 10 years. When I do this analysis, the ...
2
votes
1answer
42 views
How to catch invalid expression errors in Python?
I have a script that creates a new feature using arcpy.GetParameterAsText, but I'm having trouble creating an error message for incorrect user input. The input for a parcel # should be something like ...
0
votes
1answer
34 views
ArcPy Field Calculation with special characters
I'm trying to calculate a string field, using "µSv/h". Running this in the manual field calculator works just fine, but I've tried this in the Python window in ArcMap as well as the IDLE, but both ...
2
votes
1answer
70 views
Python Code: “Compare two fields and select missing records”
The code I wrote is not right!! It's selecting more than what is actually missing. I think I'm wrong on the matched code line. I need the script to make a list of the "FLAG" field and a list of the ...
1
vote
2answers
35 views
Polyline will not turn into a feature layer via MakeFeatureLayer_management (arcpy)
I've got a python script that is connecting a sequence of points to make lines (script is based on answers to my previous question). To attempt to make subsequent processing more efficient, I would ...
4
votes
0answers
41 views
How to add layer with arcpy and retain description and other layer properties?
I have multiple feature classes in a geodatabase, each feature class has metadata including a Description, Credits, and other information. If I use the 'Add Data' button in ArcMap 10.1 to add one of ...
1
vote
1answer
28 views
mosaic raster to file geodatabase yields missing raster sections
Since upgrading to ArcGIS 10.1 (SP 1) from 10.0, I've been encountering an issue when running the arcpy.MosaicToNewRaster_management() tool with output to a file geodatabase. I'm principally working ...
1
vote
1answer
27 views
Feature to Line on feature selections with ArcPy
I'm trying to collapse parallel polylines (dual carriageways in a shapefile of roads) to single centrelines. I'm aware of cartography's dual lines to centerline tool, but I find Feature To Line (Data ...
0
votes
0answers
11 views
Fixing “spatial index grid size is invalid” without Recalculate button
I've got a python script that is connecting a squence of points to make lines, and putting them into a feature class (based on answers to my previous question). It works wonderfully on a small area ...
1
vote
2answers
36 views
Errors using SelectLayerByAttribute in ArcPy
I cannot for the life of me persuade SelectLayerByAttribute to work (I need to automate this for a complex script). Working in ArcMap's python console on already loaded shapefile, the format below:
...
2
votes
1answer
37 views
Reporting Engines used with ArcGIS Server
I'm curious what others are using to build the more elaborate reports out of ArcGIS Web API apps? By elaborate I mean ones that include lots of dynamic charts and tables, multiple maps/data frames ...
0
votes
1answer
28 views
Can an arcpy.da.SearchCursor be used on a dataset residing in a ParcelFabric?
I'm using ESRI's LocalGovernmentMI.gdb data model and am managaing parcel data in a ParcelFabric dataset. I'm trying to use a search cursor on the ParcelFabric_Parcels dataset but I recieve this ...
...
7
votes
1answer
86 views
Difference between python window and toolbox
Are there differences in performance or other potentially critical area between running a python script in the python window versus running it from the toolbox in ArcGIS 10.0?
I am asking in cases ...
1
vote
2answers
20 views
Select individual lines from feature class, convert to unique rasters: “raise e” error?
I have a feature class with 5 lines in it, and need select each one and turn them into its own raster -- for example, line 1 is raster 1, line 2 is raster 2, etc. This is the python script:
import ...
2
votes
2answers
58 views
Run Python child script using Python Add-In button class?
I have a Python script which I want to execute using Python Add-In button class. Right now, I am using following:
class child(object):
"""Implementation for Toolbar_addin.button2 (Button)"""
...
11
votes
1answer
101 views
Watermarking photos using their geotag and create a shapefile
I have geotagged photographs and I would like to place a watermark of the photos location on the front for easy reference as well as creating a shapefile from the coordinates. Does anyone know of any ...
0
votes
1answer
25 views
UnboundLocalError: local variable referenced before assignment
I have following simple function to get percent values for different cover types from a raster. It gives me following error:
UnboundLocalError: local variable 'a' referenced before assignment
which ...
0
votes
0answers
68 views
python script to calculate and return values based on several conditions
I need to calculate and return the value "continuous" to those records in a polygon feature class with species records aggregated to a UTM grid
considering the attributes are species name, grid code, ...
1
vote
1answer
79 views
How to use CURRENT map document in Python tool?
I am attempting to use this code in a tool that I am working on:
mxd = arcpy.mapping.MapDocument("CURRENT")
df = arcpy.mapping.ListDataFrames(mxd)[0]
XMIN = df.extent.XMin
YMIN = df.extent.YMin
XMAX ...
2
votes
2answers
52 views
Create line from two points, two different feature class
I'm attempting to automate this in ModelBuilder in ArcMap. I have one feature class with one point (Start) and one feature class with multiple points (Destinations). I want to iterate through the ...
3
votes
0answers
45 views
Accessing arcpy functions from IronPython
I made a few python scripts to automatically optimize and publish my data..
Now i'm thinking about writing a .NET program to manage and run these scripts: the obvious way is invoking them in a ...
0
votes
1answer
44 views
How to insert values from one table into another?
I am trying to write a script that iterates through each row of a table, calculates for this row something. The result of this calculation is finally stored in another table (with just one row). Now I ...
1
vote
0answers
36 views
How to make multivalue input script run from a toolbox?
I have a working python script:
import arcpy
sdeconnection = arcpy.GetParameterAsText(0)
layerfiles = arcpy.GetParameterAsText(1).split(";")
for layerfile in layerfiles:
print layerfile
lyr ...
1
vote
1answer
42 views
Read XY, get raster value and then update field
I've written a script to run through a point layer, using the SearchCursor in the data access module and then read the XY values. Within the with statement, I then use GetCellValue to get the ...
1
vote
1answer
47 views
Problem with calculating the total cell values
aa= arcpy.RasterToNumPyArray("water_depth")
sum = numpy.sum(aa)
print sum
-2933737
Why I am getting negative values ? In my raster there is no any negative ...
0
votes
1answer
30 views
Arcpy Network Analyst solver error
Hello GIS Stack Exchange,
I am finding it difficult to load locations to sublayers using python in ArcGIS 10.0 network analyst Vehicle routing problem.
I'm also having some trouble debugging my ...
0
votes
0answers
23 views
using python and arcpy , how can I compute the direction and angle of a line segment? [duplicate]
if start_point_x < end_point_x and start_point_y > end_point_y:
slope = ((end_point_y - start_point_y)/(end_point_x - start_point_x))
radian = math.atan(slope)
degrees = ...
1
vote
0answers
29 views
Different results from Spatial Analyst GP Tool and Python
I am writing a script that has to subtract one raster from another.
The rasters I have represent
1) Parking Lots (1 = Parking Lot, 0 = not Parking Lot) and
2) a buffer around the Parking Lot (1 = ...
0
votes
1answer
47 views
arcpy.setValue for Condition from Dictionary
Hi: I am trying to create a function to update multiple fields based on different criteria. I want to pass the field name and condition thru' a dictionary (please see the function description in the ...
0
votes
1answer
23 views
Add a time dimension in ESRI mosaic raster dataset
I am in the process of creating a script to pull daily .asc files from a ftp server, convert them to a raster format, and push them into a mosaic raster dataset. Ultimately, the raster dataset will be ...
1
vote
2answers
61 views
Set Extents of MXD to new layer data source?
Alright here I go again this forum has been good to me. I add a layer and replace its data with a shapefile I created using the following bit of python:
layer = ...
1
vote
1answer
27 views
arcpy.setValue for Title casing
I am trying to figure out how to use fieldName.title() method while updating rows using updateCursor for multiple fields. I was trying to improve the code of this post to fit my purpose:
...
2
votes
1answer
71 views
Python script to update attributes crashing during loop
I have a script to update a field in one feature class from a selected record in another feature class. This is done through looping through records in one feature class selecting appropriate the ...
2
votes
1answer
29 views
Arcpad checkout to an area
I would like to check out data from an SDE database but for performance sake, i prefer to delete all features outside of my survey area.
i've tried to copy features in area from sde to a file GDB ...
1
vote
1answer
56 views
Setting More Than One Workspace
I have a number of tables that contain known values in a field. For example, I have a soil type table with one field in it. That field contains a list of known soil types. I have another table that ...
1
vote
2answers
92 views
Arcpy to copy a layer in the ArcMap TOC, rename the copy, and paste back to TOC?
I want to make a copy of a layer in the ArcMap TOC (passed to my script as a Feature Layer), assign the copy a new name, set a definition query on it, and then add the copied Feature Layer back into ...
1
vote
1answer
53 views
Need python code example - setting a combo listbox to Null
I want to be able to set the value of a field to Null using python, but I get an error.
I am using arcpy.CalculateField_management
Any help would be appreciated.
Rob Smith
1
vote
2answers
82 views
arcpy.sys versus sys
I just noticed that in the arcpy module (Esri) there's a sys sub-module. Does anyone know what the difference is in using one or the other? I've been looking around and can't find anyone who uses ...
3
votes
2answers
81 views
arcpy Problem with updateRow() when trying to update fields with UpdateCursor
I have a list of values which I am trying to add to an existing shapefile. The field where the values need to be inserted has been added via arcpy.AddField_management and thus the values of the rows ...
0
votes
0answers
13 views
MapInfo8.0 is not letting me edit layers imported from the server? [duplicate]
I have imported 4 layerts from my server for use in MapInfo, when i went to edit these layers the edit tool for each of these layers is grey and non accessible.
Any suggestions would be greatly ...
6
votes
2answers
102 views
Refresh open attribute table in ArcMap (arcpy)
I am running the Calculate Field GP tool from the arcpy in ArcMap. When a row value is updated, it does not show up untill I use the Reload Cache tool (Table Options > Reload Cache). How do I refresh ...
1
vote
1answer
83 views
Search cursor stops selecting after two iterations
I have a script which selects an extent from a grid and exports the data frame.
import os, arcpy
mxd = arcpy.mapping.MapDocument('CURRENT')
df = arcpy.mapping.ListDataFrames(mxd,"Layers")[0]
...
2
votes
2answers
61 views
How to create network dataset for network assistant using ArcPy?
Is it possible to create a network dataset with arcpy to be used with the network assistant?
In the documentation I found the Build Network and Dissolve Network functions, but it looks like both ...
4
votes
1answer
45 views
Using matplotlib to create and export graphs automatically from ArcMap
I am going to start a project soon where, after the data has been processed in various ways, an output jpg showing a graph of the data should be produced. The workflow is as follows:
1. A feature ...
1
vote
0answers
30 views
Problems running zonal statistics - not all zones represented
I have been working on a Python script to automate the steps illustrated by whuber here:Create points around the edge of viewshed results
I am trying to create a horizon graph illustrating the ...
0
votes
1answer
19 views
How to add layer in Arcscene using script tool
import arcpy
mxd = arcpy.mapping.MapDocument("CURRENT")
df = arcpy.mapping.ListDataFrames(mxd, "*")[0]
addLayer = arcpy.mapping.Layer(r"F:\project\Final\Ground floor\steps.lyr")
...
2
votes
1answer
65 views
How to write point geometries with arcpy instead of gp syntax?
Can someone help me fix some code that simply writes points into a featureclass? It used to work in the older gp. syntax, but I'm having difficulties rewriting it in arcpy for ArcGIS 10.0. In this ...
1
vote
2answers
66 views
How to Add Shapefile with Symbology from Layer File to ArcMap MXD using ArcPy/Python?
Say I have a Shapefile:
C:\DATA\points.shp
A layer file:
C:\SYMBOLOGY\symbology.lyr
And a map document:
C:\MAPS\map.mxd
How can I add points.shp to map.mxd with the properties of symbology.lyr ...
