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

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96 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 ...
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61 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 ...
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83 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 ...
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371 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 = ...
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141 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 ...
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93 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 ...
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264 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 ...
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78 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 ...
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210 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 ...
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277 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 ...
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116 views

How can I draw an ellipse filling the dataframe with ArcPy?

I need to modify one of my template scripts to draw a circle from the centre of the (inset) data frame to the edge of the data frame. This will then be used to clip the data frame to shape. I'm using ...
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477 views

Variable stored as NoneType in Python with updateCursor

SOLVED: although the field was not nullable (no null values), a glitch created one in the heading field, so the variable was stored as a null value and thus the NoneType. I am using updateCursor to ...
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184 views

ArcGIS 10.0 - How to have GP Service make rest calls instead of Silverlight client?

I have a Silverlight client that densifies a user drawn polyline. The returned vertices from the polyline are then sent to esri elevation sample server for each vertex to find an elevation value. ...
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245 views

Relate first point and last point of polyline to point feature(s)

I am working on a small script using ArcMap10/arcpy to generate a upstream-downstream uniqueid for a polyline feature class using point id's that fall on the starting point and ending point of a line. ...
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104 views

Copied points not intersecting the original points

I'm using an arcpy search cursor to access a Oracle database. I have a simple Python class that I copy the returned row objects into, which gives me more flexiblity than the cursor. The problem is ...
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80 views

getSelectedExtent not working on joined layers

When joining layers the getSelectedExtent function in ArcPy fails to get the extent. Unjoining the layers and running it yeilds the expected result. The joined layers are all located on an SDE. Is ...
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639 views

ArcGIS 10.0/arcpy: Can't retrieve the points in a polyline geometry obect: any idea why?

My arcpy script builds a Python dictionary, dictCLPnts, that holds the geometry objects of a polyline feature class. The following code snippet shows the attempt to access the geometry object with ...
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139 views

Arcpy problems regarding convertToMSD() Function

I am having trouble getting the ConvertToMSD Function to work. Technically it works, but not in the long run of my script. I use the converttomsd function to create an msd. I then publish this msd as ...
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5 views

How to Add Polyline ID when it is created from points pair coordinates with arcpy?

The following link provide me the solution except i need to add Line ID from "Line_ID" field in same Excel. I could not make comment directly on that link to "Chad Cooper" as I am a new user here: How ...
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30 views

how to create a shapefile containing attributes from a list?

I have a list of features and each feature is a dict in that list. following you can see the structure: [ {"FID": 0, "Shape": polyline, "Nodes": [0,1]}, {"FID": 1, "Shape": polyline, "Nodes": ...
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21 views

ArcPy select and merge dropping records from table?

I'm working on a python script for ArcGIS using the arcpy module. I have ArcGIS 10.1 and Python 2.7 on Windows 7 machine and using Notepad ++ and IDLE to run it. The script selects specific records ...
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14 views

CreateObject cannot open map document error when cycling through list of MXDs

I have a stand alone Python script that aims to make a list of data sources from a series of folders/sub-folders full of MXDs. However I am continually getting the: CreateObject cannot open map ...
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21 views

Unable to load shapefiles fully using shapefile.py

I am trying to load my shapefiles directly via Python rather than loading them from Arc Catalog to ArcMAP. I load these modules first: import sys import os import arcpy import numpy Then I add a ...
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23 views

Real-time Feature/Geometry Aggregation in Map Service Layer

Use-Case Provide a map service layer that perform a real-time aggregation of geometry objects grouped on a set of criteria from a normalized data source, labeling the resulting image based on data ...
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23 views

Using arcpy to enable layer masking (Advanced Drawing Options)

I am looking for a way to enable and change layer masking (under Advanced Drawing Options) with arcpy... it seems you can do this if you have the Production Mapping extension, but I do not have it... ...
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27 views

How can I define coordinate system of feature class when overlaying with coordinate zone shapes in python?

I have generated bounding boxes for CAD drawings that do not have defined coordinate system files. I know that each drawing could be in one of 6 different systems that do not overlap. My idea was to ...
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43 views

Script to turn layers on/off in Data Driven Pages?

I'm working with Data Driven Pages to create a map series of communities (points). I'm using Model Builder to create a line poly feature for each community. The line poly shows the time away from each ...
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40 views

Arcpy raster calculation producing random no data cell in output

I've been trying to get the raster calculation below to work using python: import arcpy from arcpy import env import os from arcpy.sa import * arcpy.CheckOutExtension("spatial") KSat_mm = ...
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25 views

Using GDAL and Python to replace the Spatial Analyst TabulateArea method

Has anyone tried to phase out the use of ESRI's Spatial Analyst extension by replacing it with GDAL in Python? I have a script that only uses the TabulateArea and Statistics analysis but not much else ...
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33 views

when using arcpy.mapping.ListDataFrames, python.exe crash

Has anybody had this problem? this drive me crazy. what is wrong with my code? import arcpy mxd = arcpy.mapping.MapDocument(r"D:\Project\Project.mxd") df = arcpy.mapping.ListDataFrames(mxd, ...
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26 views

Determine Transect line to cover area

I'm near certain this is a solved problem, but I haven't been able to find a solution from searches so here's my situation (probably I'm searching the wrong thing)... I need to compute the ...
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18 views

Using file directories from a table

I have a toolset that will be using a set of file directories as input (shapefiles, raster etc.).The table can be stored as CSV or DBF. Is there a way to read a specific cell (row,column) of the ...
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41 views

Importing hours and minutes into a date field, next to the date

I'm trying to clean up some data and make sure dates go into the date field. DateShot is my newly created date field and Date_Shot is my text field I want to convert. It will just return the date ...
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126 views

How to export from ModelBuilder as script and then run using Python. 3.4?

I'm currently studying for a Msc in GIS. In my assignment I have been asked to produce a model, export that model as a script file and then run that script as a stand alone in IDLE. So I have created ...
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48 views

How do I set the xydomain extent and merge point feature classes in a geodatabase

I am trying to select point feature classes in a feature dataset and merge them while setting the XYDomain using Python. If I do the merge manually and change the environment settings to use a ...
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25 views

arcApplySymbologyFromLayer w/out adding to map

Is there a way to apply symbology from layer without adding to map. I have heard there an environment setting that may allow this? I am trying to both apply symbology and add layer at position in a ...
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21 views

Min value (OD Cost Matrix)

I have an attribute table with columns that I have gained from running an OD Cost Matrix. In one column named "Total Minutes" I will select the lowest value (the shortest route). Then I will create a ...
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34 views

Error building pyramids/statistics on raster with arcpy

I am building a script to process rasters with the option of adding the extra step of building pyramids and statistics at the end. For some reason, it will not recognize inputs as legitimate raster ...
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54 views

How to extract raster using corresponding polygon using ArcPy?

I have to perform a simple raster extraction, but I can't find the way to do it. In a polygon layer, I have watersheds with their ID's. And in a folder, I have rasters, each one corresponding to a ...
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30 views

problem saving GRID to .img keeping original names (export by attributes)

I am really new in Python programming. I try to make a loop for Extract by Attributes tool in ArcGIS 10.1. I have a huge dataset of raster (760pc) and I want to extract a specific value. This part of ...
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23 views

Points Missing on Import of LongLat data to SHP using ESRI script CreateFeaturesFromTextFile()

In ArcMap 10.0 I am using a 9.1-era ESRI script in Python called CreateFeaturesFromTextFile. There appears to be no ArcMap 10 update. The input text format is the strict format ESRI point,X,Y layout ...
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76 views

I could use some help with a bit of code optimization

See edit below. I posted here a couple weeks ago looking for some advice on the best way to iterate through data. You can find that post here. I have since done some tweaking to the code, and ...
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85 views

Using ArcPy, is there a way to change the color of a symbol in a UniqueValuesSymbology object?

I have an template mxd I reference with several pre-defined layers. The only variable I need to modify is the color of certain symbols in the layer. I have tried to modify and dig around the Symbology ...
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38 views

Arcpy Closest Facility script not running correctly

I am running a script in ArcGIS 10.2 to automate the Make Closest Facility tool, as below, to identify the nearest chemist. This works fine. However, I then want to run it for another facility (a ...
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36 views

Visualizing Layers with lyr-files in ArcGIS API for JavaScript

I do have a probably very simple question. I'm currently running a Python-Script on my Desktop-machine. In the end of this script the different layers that I've created will be visualized according ...
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21 views

Is it possible to scale an ArcGIS feature in a multipatch feature class using Arcpy?

I've imported a number of features in Python using the following method: - Import3DFiles_3d Unfortunately they are all extremely large so I would like to scale them using arcpy. I have seen that ...
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59 views

arcpy.SearchCursor strangely throwing IO Error

I've been trying to use arcpy.SearchCursor on an xls file. Something I've done countless times before. I had a script running and then yesterday it started throwing: IOError: ...
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37 views

Unable to Import 3D Files with real-world position

The following link identifies a method of importing one or more 3D models into a multipatch feature class. http://resources.arcgis.com/en/help/main/10.1/index.html#//00q900000097000000 Test Case I ...
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64 views

arcpy.mapping.Export creates some labels but not others

I've created a simple python toolbox (pyt) to export map layouts to multiple formats. My problem is that some labels which are defined in the layout are exported, but others are not. For example ...
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128 views

ArcMap 10.2 SplitLineAtPoint setSplitRule not calculating RATIO

I am trying to set a length field to use the RATION split policy. I set the split policy for the feature layer but when I use the SplitLineAtPoint_management it does not calculate the RATIO length. ...