A site-package created by Esri to expose many ArcObjects to Python.

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2
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1answer
38 views

Loop through columns Python arcpy.ListFields

I am trying to run a Python script that loops through all fields in my input feature attribute table. I have searched extensively and tried to use arcpy.ListField to work but it seems all people got ...
1
vote
0answers
65 views

Is this algorithm Possible? [on hold]

I have some basic notions of python. I would like to know if this algorithm is feasible in ArcMap: loop through all entries in a dBase table for each entry, open the related table (Shapefile ...
0
votes
1answer
39 views

Isolate points with same parcel but different x and y coordinates

I have a large list of 100000 points in shapefile format. These points have address, parcel number and x and y coordinates as attributes. I would like to know which and how many points have the same ...
1
vote
0answers
20 views

Clip layout view to output graphics extent using python

I need to implement, within this very simple piece of code, the option that replicate the "Clip to output graphics extent" available from the ArcGIS 10.0 Export Map UI standard command. Is it ...
3
votes
1answer
65 views

Union on lines using ArcPy?

Essentially I want to union multiple (20) congruent line shapefiles, where overlapping line segments in the input shapefiles are combined into a single resulting output shapefile. But I can't union ...
2
votes
0answers
22 views

Spatial Analyst tools adding extra column of NoData

I've got a script tool in ArcGIS that runs Curvature and Aspect from Spatial Analyst, and the outputs of both contain an extra column. I've attempted to set the extent in the both the tool and the ...
1
vote
0answers
26 views

Merging two or more selected features from same layer into one feature with ArcPy?

I need the functionality of the editor > merge command for use in a python script tool. I realize this function is not directly accessible through ArcPy, but I am hoping someone can help with a work ...
1
vote
1answer
35 views

InsertCursor fails when trying to insert XY point data

I have a text file with X and Y coordinates, as well as a third piece of information. I'm trying to create a point feature class from this text file by use of an insert cursor. I'm working with ...
1
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0answers
21 views

Getting points from a particular section of point cloud data [on hold]

I have a las file and I'm trying to analyze it using ArcGIS/ArcPy. Are there any built-in functions that I can use (maybe using a tool or las data property) to isolate a chunk of points? I want to be ...
2
votes
1answer
27 views

Rename feature classes in file geodatabase in bulk

I see may versions of this post but none quite get me to where I need to be. I have 50,000 features classes in a file geodb. They are a1_xxxxx_xx I need to rename them all to a6_xxxxx_xxx This is ...
0
votes
1answer
19 views

Seeking ArcPy equivalents for SPLINE and SETWINDOW commands from ArcInfo Workstation?

I know of a list of conversions between AML and ArcPy. I was wondering if anyone knew of another resource to go between the two? In particular I am looking for a SETWINDOW (AML) function in ArcPy, ...
1
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0answers
26 views

Ways to reduce buffer if it passes through a certain layer

I am trying to do WiFi analysis on signal strength in ArcGIS Desktop, and one of the big problems that I am running into is how to reduce the signal when it comes in contact with a wall, as it does in ...
1
vote
2answers
40 views

Maximum distance to polygon edge

I have a point feature class and a polygon feature class, and each point is located within one polygon. Is there a way to programmatically calculate the distance from each point to the farthest ...
1
vote
2answers
38 views

How to check for empty values in fields of a featureclass?

(ArcGIS Desktop 10.0 Python 2.7) I need to check if any empty fields exist in featureclass fields in a gdb. These could be NONE, NULL "". The field name here is "Stand". The following code doesn´t ...
0
votes
1answer
26 views

insert rows not displayed in arcmap

I am selecting rows from one shape file and inserting to other by using below script executed from PythonWin. Both shape files have same structure. Records are properly inserted and able to see them ...
0
votes
1answer
32 views

How to add multiple fields to many Feature class using Arcpy

I have a geodatabase with multiple Feature Class (at least 100). I would like to add in each attribute table of each Feature Class, two new columns. I have to do that with a python script because it ...
1
vote
1answer
29 views

What is the most efficient way to get the values of a previous row in a table using ArcPy? [duplicate]

I am very new to ArcGis and I would like to get a specific value of the previous row in a table. I found this question here on gis.stackexchange.com and experimented a little bit. However, I found ...
0
votes
0answers
24 views

How to build a raster populated with an equation in a python toolbox?

I am working on creating a python toolbox to solve for WiFi signal properties based on various inputs, and for the end result I would like to have the output in the form of a raster. I need this ...
0
votes
1answer
25 views

Adding field values from feature class into empty field of another feature class using append

I am attempting to add a feature class ("dis.shp") into an empty feature class("fc.shp") in a geodatabase using Python script. I have had success with the code below. However, I also would like to ...
0
votes
0answers
20 views

Select polygon feature(s) in ArcMap and pass this selection into Python Addin

Does anyone has an Pyhton example to select polygon feature (or features) in ArcMap and pass this selection into a Python Addin? The selection made by mouse will be better.
0
votes
1answer
29 views

Convert multi KML and KMZ into shapefile using ArcPy?

I try to convert with arcpy (python 2.7.8) 50 KML and KMZ files, that i downloaded from google earth into shapefiles. All files located in many sub-Folders. All Sub Folders are located in one large ...
0
votes
1answer
48 views

Create FeatureDataSet in geodatabase with Arcpy from a table

I create an empty file geodatabase (gdb), and I would like to import in this gdb several feature dataset, at least 120 different dataset. I would like to import those dataset from a table like an ...
1
vote
3answers
59 views

Python says my shapefile does not exist. Why?

I'm working on a script that prints the names of hospitals that are within a certain zip-code. When I run my code, though, python keeps giving me an Error message that says that my Hospitals shapefile ...
1
vote
1answer
39 views

MakeFeatureLayer throwing error 00840: The value is not a feature layer

I'm working through tutorials from the book "GIS Tutorial for Python Scripting," by David W. Allen, and I have this code pretty much exactly the way the book wants it (I altered one variable name from ...
0
votes
1answer
31 views

Projection For Measuring Distances

Is it the case that when I use Arc GIS to compute nearest distance from a point to a poly-line/polygon, I need to project them both in an equidistant projection? Note: I am using the near tool. What ...
0
votes
0answers
20 views

Applying symbology to layers and exporting to JPEG using ArcPy? [on hold]

This is my first stab at Python/ArcPy! I have numerous point shapefiles that I am trying to apply a specific symbology to and create jpeg files of the same map for each symbolized shapefile. I am ...
2
votes
1answer
35 views

How do I combine a wildcard command along with %s in a where clause statement?

I am trying to write a script where the user can search for a five digit zipcode using an input statement and a search cursor. The zipcodes in the file though are nine characters long (i.e. ...
2
votes
1answer
23 views

How to use Spatial Criteria with ArcPy Data Access Search Cursor?

The ArcGIS documentation for the Data Access Search Cursor states: The records returned by SearchCursor can be constrained to match attribute criteria or spatial criteria. But I can't see any ...
0
votes
0answers
39 views

What is the function for Joins and Relates?

I was writing a script to do a Join based on Spatial location. I don't want to do a spatial join as it will have all the fields of the layer that is joined to the target layer. I want only the fields ...
0
votes
0answers
33 views

Using Eclipse/PyDev's debugger with ArcPy?

I have been using eclipse to help me write my scripts with arcpy and arcgis. I have been using add message in arcpy to help debug but that is very slow and doesn't always give me enough information. I ...
0
votes
1answer
26 views

map(arcpy.AddError, traceback.format_exc().split(“\n”))

What does this expression mean? I see this in many python scripts. try: ... except Exception as e: import traceback map(arcpy.AddError, traceback.format_exc().split("\n")) ...
0
votes
1answer
17 views

Erase polygon from line to get line?

How can I erase a polygon from a line to get the erased line? Conceptual image below. Erase Tool does not work when mixing polygons and lines.
1
vote
1answer
27 views

Python tools won't open when clicked on

I am creating a python toolbox within ArcGIS 10.3 and I am having issues opening it up in ArcMap. I have been editing it, saving it, and running it within ArcMap this whole time to test it little by ...
1
vote
2answers
28 views

How to remove newline from AddMessage() with ArcPy?

I am looking for a way to add text in the same line in the progress dialog box. The AddMessage() adds a newline and this is not convenient. For example: I want to have one line with the text: ...
2
votes
1answer
25 views

Calling Python script tool from ArcGIS model using relative path?

I am new to ArcGIS and facing a problem in calling a script tool from a model. I have the following file structure: E:\MyFolder MyToolbox.tbx ScriptTool Model Scripts myscript.py The ...
0
votes
1answer
65 views

Tool for generating Feature Class including field names/type

I am trying to build a tool that will generate a feature class and then populate the fields with the correct column name and format based off a CSV file. Has anyone had any luck doing this before? ...
1
vote
0answers
38 views

Switching between python versions for Arcpy [duplicate]

I’m developing a multi-module project in Python. I’m new to GIS and my boss doesn’t have a strong technical background. I’ve been instructed to use the Arcpy module to do functions such as intersect. ...
0
votes
2answers
65 views

Using Python to field calculate Lat/Long with decimal degrees rather than meters

The below is a snippet of a python script that I am writing that basically adds two fields - Latitude and Longitude, then calculates them. I could use the Add XY Tool which gets me to the same point. ...
0
votes
0answers
22 views

I need to link to or copy MS Access macros from a “master” database to MS Access personal geodatabase

Here's my situation: I'm a python and arcpy novice. I’ve been cannibalizing and modifying code from different sources into a work in progress. Development is in ArcGIS 10.1 and will need backwards ...
0
votes
1answer
20 views

How do you insert values into custom fields when adding to a Mosaic Dataset table?

I have a mosaic dataset (file geodatabase) with an additional field added to it (id that is integer) and I'm trying to accomplish in ArcPy what I can do manually--which is: Add a new raster (single ...
0
votes
0answers
43 views

Code converting lat/long coordinates (WKT) to polygon (shapefile) not working

I am having a problem converting WKT to shapefile. I have a csv file consisting of three columns: ID, Name (of the area) and WKT comprising set of lat/long coordinates of area boundaries. For example, ...
2
votes
0answers
32 views

Cul-de-sac (curve) turns generation in flow for parallel lines using ArcGIS for Desktop?

I'm using ArcMap 10.2 and I need to generate a parallel lines within the polygon and connect them one to other with the curve, with the proper radius and return radius (the same as cul-de-sac tool ...
0
votes
2answers
26 views

arcpy MakeFeatureLayer - one workspace question, one output question

I'm trying to run a very simple python script to create a feature layer from a shapefile. The original script read as follows (I added the two print statements at the end to verify upon completion ...
1
vote
1answer
39 views

FeatureToPolygon (to cut polygons by line) not working correctly outside of ArcGIS

I asked a question yesterday, about splitting polygons using a line, and I ended up using the approach that is described in the comments here. Although this worked with my test data, it causes a lot ...
1
vote
0answers
35 views

How to align hundreds of rasters quickly

I'm hoping to accurately align hundreds of aerial images that are slightly off-kilter. The images cover the same area on different dates (several acres). They contain identifiable features around ...
1
vote
1answer
40 views

Is there an arcpy tool to delete/unregister a replica geodatabase?

Seems odd but I can't find an arcpy or geoprocessing tool to delete/unregister replicas. When you create a replica it gets registered with the GDB that the data comes from. Afterwards you can't ...
0
votes
0answers
30 views

Problems using da.UpdateCursor in python Add_in to Edit Feature Class

I am currently attempting to create a Python Add_in tool which will perform a set of geoprocessing operations resulting in new values for a specific !shape.area!acres calculation on a new layer and ...
0
votes
0answers
28 views

Aggregate / Calculate Cell Statistics >1000 Rasters

I'm looking for a tool/script that does simply what "Cell Statistics - Mean/Sum" in ArcGIS does but for more than 1000 Rasters (TIF) (I need to process ~10000 Raster at once). I'm not used to use ...
1
vote
2answers
19 views

Assertion Error with arcpy.mapping.UpdateLayer

I"m working with arcpy, where I'd like to write a script that examines the selection and if only 1 element is selected creates a buffer. I want to get the symbology from another layer, as the buffer ...
1
vote
1answer
44 views

Calculating a z value in python

I have some contours where the z value is stored in the geometry and I want to display it as an attribute. I want to include this in a python script. I have an expression which does this in python ...