A python API created by ESRI to perform geoprocessing and layer management.
11
votes
0answers
514 views
How to Split a Concave Polygon Into Convex Polygons in Arcpy?
I'm looking for a tool or algorithm to detect concave polygons and split them into convex polygons. Like explained in the picture, the blue polygon is split into A and B polygons
I'm using Arcpy ...
7
votes
0answers
182 views
Two machines running the same arcpy based software - only one is leaking memory
Ok, so I'm running a rather large Python application based on arcpy on two separate machines - one of them is leaking memory and one is not. Both are running the same operation in the software.
The ...
6
votes
0answers
243 views
python.exe has stopped working
A python script was written about 18 months ago by a person who has now left. It produced the required outputs then. I've been asked to run it again but with different (finer resolution) data ...
4
votes
0answers
72 views
Make Graph (Data Management), Changing item names in legend
I'm having python produce a multi-series graph. How do you change the series name in the legend, the default being Vertical Bar, Vertical Bar1, Vertical Bar2....
Thanks for the help
...
4
votes
0answers
97 views
Getting buffer wizard-like speed in Python (vs using MultipleRingBuffer_analysis)
I've got a script that takes a single input polygon feature, throws 10 buffers around it at tenths of a specified input distance, and then symbolises the output based on an existing layer file. ...
4
votes
0answers
228 views
ArcGIS Cost Path Analysis - How Is Arcpy Cost Path Analysis Tool So Much Faster Than ArcObjects
Although I love slinging some python to create geoprocessing scripts/services, I was under the impression that using ArcObjects to do the equivalent operation(s) will have better performance.
I've ...
4
votes
0answers
516 views
Multiline VBScript Label Expressions in Arcpy
I am able to set simple label expressions, but when I try to set multiline expressions (which all VBScript expressions are) it does not get copied into the expression box properly. I have tried using ...
3
votes
0answers
44 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 ...
3
votes
0answers
105 views
Python Script Crashing Inconsistently on Arcpy Batch LayerToKML script
I put together a script to take a TIGER shapefile of all census tracts in a state, select the census tracts by each county, and export them into individual county-level kml files.
The problem is that ...
3
votes
0answers
20 views
arcpy adding time to Raster Mosiac Footprint
I am trying to create a raster mosiac for use in animating data over time. The current workflow is:
Create .gdb (arcpy.CreateFileGDB_management)
Create Raster Mosaic ...
3
votes
0answers
94 views
Exporting records from an attribute table and placing them in a txt file
I am trying desperately to grab records in a shapefile's attribute table and copy them, with additional formatting to a txt file. Below is the code I have developed thus far:
I have used the ...
3
votes
0answers
149 views
Reset python add-in
I have a toolbar which enables a second and third combobox when a selection is made on the previous. I would like to add a button to 'reset' the toolbar. Basically reload the toolbar to it's original ...
3
votes
0answers
66 views
How to enable SDE Archiving with python and the SDE api ArcGIS 10.0
I have a script that does some register as versioned and updating privileges. How would I call into the c api for ArcSDE to enable archiving with python?
...
3
votes
0answers
139 views
How to symbolize vector features using RGB values stored in three fields?
I need to symbolize a vector layer in Arcmap based on RGB (or HSB - can do either) values found in fields in the attribute table. I'm working with up to 10 different datasets, each with over 100 ...
3
votes
0answers
197 views
How to rotate labels using ArcPy?
I'm writing Python code for ArcGIS using the arcpy library and now I'm experiencing a little problem with labels. In fact I'm not able to rotate them in layout via arcpy (I should rotate all labels of ...
3
votes
0answers
161 views
Why do I lose my printer settings when saving a copy of mxd from ArcPy?
Judging from the answer to this question, one cannot change the page size etc from ArcPy, so I set up my "template" mxds so my script can save a new copy of it, change data sources etc. This methods ...
2
votes
0answers
38 views
Difficulty in running the script
I have developed a script tool for adding a layer in the current map document.
It did not work.. The message is "Completed script addlayer...". But there were no layers added in the TOC.
Another issue ...
2
votes
0answers
58 views
Can not get text element to update?
I can not get text element to update?
Text ELement has been added "Subdivision" Still not updating?..
class ButtonClass2(object):
"""Implementation for FemaMapper_addin.button (Button)"""
def ...
2
votes
0answers
85 views
Problem with SplitLineAtPoint tool in arcpy
I have a problem with Split Line At Point and polygons which have been dissolved using arcpy.Dissolve_management.
When I try this model to get polygon contour split at some points.
...
2
votes
0answers
117 views
How to Load a Record Set Parameter in a tool dialog
I am trying to create a tool that allows a user to update a table row without starting an edit session. I have a script tool set up with a record set parameter and I use this set up to add new rows to ...
2
votes
0answers
675 views
arcpy.Delete_management not deleting a geodatabase folder
This script runs fine the first time but fails when run the second time. The issue seems to be that the KMLToLayer_conversion statement creates a file geodatabase (no surprise) that subsequently ...
2
votes
0answers
68 views
network related issues arising when running an arcpy script
Essentially I wrote an arcpy script that is within a toolbox that I ported over to a different machine to test out after the script worked locally.
The script essentially utilizes the psycopg module ...
2
votes
0answers
277 views
Stop an arcgis model until all values are collected and then continue
This is similar to Modelbuilder - If precondition is false, continue iterating next input but I want the iterate tool to run to collect all the values and only then continue to the merge. Any ideas? ...
2
votes
0answers
519 views
Network Analyst: arcpy's 'Solve' running out of memory
I've run OD cost matrix analysis using GUI tools n ArcGIS 10.
My goal is relatively simple - find closest 50 neighbors for each origin point.
The dataset I'm working with is relatively large:
...
2
votes
0answers
136 views
Is there any way to suppress the calculate field dialog box in arcpy script?
I've got a python script that I inherited. The python script takes input from a variety of feature classes and tables and spit it out to a single table. When I run this script via a scheduling ...
2
votes
0answers
131 views
No placement inside feature dataset using arcpy XYtoLine?
When I run the following code with the outFC creation path set to a feature dataset inside a file geodatabase...
arcpy.XYToLine_management(tempFC, outFC, "POINT_X", "POINT_Y", "NEAR_X", "NEAR_Y",
...
2
votes
0answers
365 views
Perfectly running python script gives error when run from web.py
I have the following python script which runs perfectly if run separately:
import arcpy
val = arcpy.GetCellValue_management("D:\dem-merged\lidar_wsg84", "-95.090174910630012 29.973962146120652", ...
2
votes
0answers
429 views
Spatial Analyst Cell Statistics seems to give the wrong answer in ArcGIS 10.0
I have a script that calculates standard deviation for a list of grids using the Cell Statistics function in Spatial Analyst for ArcGIS 10.0 The syntax is this:
stdevGrid = ...
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
0answers
27 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 = ...
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 ...
1
vote
0answers
30 views
arcpy & TraceGeometricNetwork return ERROR 000584
I am developing a script to automate the creation of a road network following varying criteria.
I have created a geometric network and I would like to get the connection between several points with ...
1
vote
0answers
52 views
Are polygons created in Arcpy built in any order?
My script uses a search cursor to evaluate polyline coordinates and build polygons based on those coordinates. The script works well, but I am curious as to whether anyone knows the order (if there ...
1
vote
0answers
31 views
Cancel event in Python Gp tools with arcpy
In GP-tools written in C# (ArcObjects) we can listen for the Cancel-event and react on that. I wonder if there is anything similar in Python GP-tools applying arcpy.
I googled that issue and the only ...
1
vote
0answers
85 views
How to transfer the attributes of features based on their spatial relationship?
I'd like to check if a point feature class is placed on a line feature using python in ArcGIS 10.0. I have created a set of point features and placed them directly on a group of line features at ...
1
vote
0answers
49 views
Why does a geoprocessing service fail every other time it is run?
I have a ArcGIS Server 10 geoprocessing service right now that takes in a string and runs a parameterized query to SQL Server 2008R2 through pyodbc. The service works, but only every other time. I can ...
1
vote
0answers
77 views
arcpy ArcGIS Server
Could someone please help me by giving me an example on how to make/connect/Add ArcGIS Server connection via python/arcpy? Thank you in advance.
I'm using ArcMap 10.0
I desire to "Use GIS Services" ...
1
vote
0answers
87 views
How to access selected feature attributes using Python Add-in button?
I'm trying to extract the attributes of a selected feature in ArcMap using an add-in button, but I don't know how to refer to this selection in the script.
Later I need to copy these attributes into ...
1
vote
0answers
55 views
Is segment of polyline contained in polygon
I am pretty new to arcpy and am slowly learning all its functions. I have a scenario where I am traversing a polyline. I get a start point and an end point on the polyline and form a segment with ...
1
vote
0answers
47 views
Script Tool Problems ArcMap 10.0
I Have a scipt tool that runs when input shape files are added from the table of contents (added from drop down menu.) However this tool will not run when they shape files are added using the add file ...
1
vote
0answers
50 views
Are multiple separate feature classes more efficient than repeatedly deleting all features from the same feature class?
Quick Version: Is it more efficient, in terms of database performance, to have multiple separate temporary feature classes or one feature class that you repeatedly empty out and fill?
I am working ...
1
vote
0answers
74 views
ArcPy 10.1 PointGeometry.projectAs()
I'm trying to reproject an X,Y passed in from an Add-in.
So far this works fine:
pointGeometry = arcpy.PointGeometry(arcpy.Point(x,y),srIn,False, False)
projectedPoint = ...
1
vote
0answers
60 views
Table record counts change when using python tool
I have a python tool which investigates mxd files and clips/projects and exports all visible datasets. Recently I've found that the record counts (even on non-clipped data) is different. It's ok if I ...
1
vote
0answers
59 views
Problem to transform events from one route to another
I have a road feature class layer containing parts like 1_10, 1_20. 2_10, 2_20... etc. 1_, 2_ is later used to create the route and _10, _20 is indicating the direction (the road feature classes were ...
1
vote
0answers
51 views
jagged edges in mosaic DEM
I encounter edge issues when trying to mosaic USGS NED DEMs in ArcGIS 10.0.0. After projection and aggregation, I attempt arcpy.MosaicToNewRaster_management(). I've reproduced the same results using ...
1
vote
0answers
136 views
Algorithm to place the minimum of rectangles to cover a polygon
I'm trying to cover a polygon with the minimum set of rectangles like explained in the picture below, the used rectangles have the same size a*b (a != b) , the rectangle could be rotated by ...
1
vote
0answers
42 views
Why does the method partCount in ArcGIS always give back a value of 1?
Does anyone knows why method "partCount" in arcgis version 10.0 always gives me back value 1, even when I have object with interniorring or multipart object?
partnum = 0
partcount = feat.partCount
...
1
vote
0answers
95 views
Clipping .mdb in place and schema locks
I have an .mdb with a feature class that I want to clip in place - that is, I want to clip it with another polygon, and then store the results back in the original .mdb. I am doing this with arcpy. My ...
1
vote
0answers
129 views
How to add dynamic index layer for data driven pages
I am trying to create a dynamic map book based on user defined geometry. I can use Grid Index and calculate adjacent tool to create the grids in my Python script. How can I set this newly created grid ...
1
vote
0answers
180 views
ArcGIS/arcpy: Geometry object comparison methods not working. Do they take z values into account?
I have an arcpy script that makes calculations based on an input PolygonZ feature class. What I need to do in several places in the script is test whether a point falls within a polygon in 2D. In ...
