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

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1answer
64 views

MakeQueryTable_management

When I run this code, it says "An invalid SQL statement was used". Any idea what does it mean? import arcpy from arcpy import env env.workspace ="C:/RG/Projects/CriticalDataNetwork/CDEC.gdb" try: ...
4
votes
3answers
1k views

Bulk convert DBF to CSV in a folder ArcGIS 10.1 using Python

I would like to convert 1000 dbf files to CSV. All dbf files are in one folder and they have sequential names (S:\output_tables\tcb1.dbf, S:\output_tables\tcb2.dbf, S:\output_tables\tcb3.dbf, up to ...
3
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2answers
648 views

Converting Vertices of Polylines and Polygons to Points and Maintain Attributes

I'm pretty sure someone has done this before, but I'm having no luck. I'm using ArcGIS Standard version 10.2.1 and I want to convert all the vertices of a polyline or polygon to points. Essentially, ...
1
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1answer
88 views

How do I filter the layers that show for my input feature layer parameter for a custom tool?

When creating a custom tool using a Python script, is there a way to only show layers that, for example, contain a certain word? For the drop down of the input polygon feature, I only want layers to ...
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1answer
99 views

Managing large number of catchments/watersheds

Does anyone know of an easy way to manage a large number (10,000's) of catchments/watersheds? I have defined a stream network and for each segment, I have a corresponding catchment (in a unique ...
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1answer
204 views

Error with Python Script tool for ArcGIS 10.2 [closed]

I am trying to create an ArcGIS map tool that includes creating TINS and uses parameters. This tool works fine when taking the data from shapefiles, but when I use map layers, which is what I want it ...
3
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1answer
659 views

After ArcGIS 10.2.1 update, Arcpy 64 bit import Error

I've updated my ArcGIS desktop version from 10.2 to 10.2.1 and have noticed that when I run the 64 bit version of IDLE I now get an error when trying to import arcpy: Python 2.7.3 (default, Apr 10 ...
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1answer
83 views

How do I check spatial reference on all parameters during Tool Validation?

How do I check spatial reference on all parameters during Tool Validation? Just looking for recommendations. Here is what I have already. This must work with existing validation. import arcpy class ...
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1answer
104 views

ArcPy - Add Layer from Cursor Selection

I am trying to add layers from the fields of a reference layer using select by location and a cursor. Also, want to prompt the user with a message box asking if they want to add the selected by ...
6
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1answer
256 views

Is it possible to interrupt Select Layer By Location when first feature selected?

I´ve got a point feature class with some 7.000.000 points and I´m trying to check if any of these points is simply intersected by several polygon feature classes using 'for' loop and ...
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0answers
42 views

Why does clip only return the top polygon?

I'm running the command below on a data set with many stacked polygons. This is a county standard so I can't change the way they manage their data. Each type of polygon can be uniquely identified ...
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2answers
107 views

Change field map properties in ArcMap

I am trying to import csv files in ArcGIS to do a join. However, some of the fields are identified as double, some as long and some as long. Therefore the join results in bunch of columns with NULL ...
3
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1answer
73 views

Why is Mosaic or Mosaic To New Image causing a 1-pixel gap between adjacent images?

I have a series of adjacent PNG images, and I'm trying to merge/mosaic them into a single seamless image. The images have clean "cuts" between them, with no overlaps. However, when I use either the ...
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0answers
26 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 ...
4
votes
4answers
802 views

How to convert all values in all fields of table to upper case using ArcPy & Python?

Does anyone know how to use the .upper() in a stand alone python script so it can be used to change all characters in a table into UPPER case? I don't want to use the field calculator since I have ...
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0answers
36 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 ...
0
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1answer
128 views

arcpy absolute file path failing with AddLayer()

I have the following code: import arcpy.mapping as mapping mxd = mapping.MapDocument("current") print mxd.title df = mapping.ListDataFrames(mxd)[0] print df.name layer = ...
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0answers
126 views

How can a script tool share (dynamic) variables among different modules?

I'm running a python script from the toolbox window (as a script tool). I have a second python (tkinter) module that I use as an input interface. Now, I know that the script tool can call the ...
2
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0answers
58 views

Is there a way to position parameters in a Python script tool dialog box?

I admit I haven't searched for an answer yet. I was wondering if there's a way to get these boolean parameters to be next to each other instead of one on top of the other?
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1answer
177 views

Transfer domain descriptions from coded values to string text at a new field

Further to my earlier question,I'm trying to develop a script that eventually should contain three parameters, feature layer, domain field and a new text field. How can i write a loop that will update ...
0
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2answers
127 views

How to return the first row of feature class as a list in ArcPy?

I need to return the first record of a feature class as a list. Is this possible? I can't seem to figure it out using row.getValue() as it does not allow me to put a wildcard in there.
3
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0answers
105 views

Basic arcpy script with cursors running SLOW!

I've got 2 polygons layers (no gaps): IDUs and crops. What I want is to identify the 3 largest crops by % area for each IDU. This seems common enough but I couldn't find a way to do it all using ...
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2answers
182 views

How to add data to a newly created folder using arcpy?

I'm writing a script to create a new folder and then copy a feature class to a shapefile and add the shapefile in the new folder. The folder gets created but the script is failing on the feature class ...
0
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2answers
138 views

Find the minimum elevation pixels from an elevation raster using arcpy

I want to create a python script to find the minimum elevation pixels from an elevation raster (aster,srtm) using arcpy and arcmap 10.1. The purpose is to reclassify these pixels. I have tried but I ...
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0answers
84 views

How to Build Query Table from two OLE DB tables using ArcPy?

When I run the following code to create a subset of a table, the error says "An invalid SQL statement was used" [Query]. The error shows in line 39. Is there any idea you can figure this out? import ...
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2answers
218 views

How to get/set label scale ranges (e.g. minScale) in ArcPy?

For a layer object lyr, one can programmatically set the minScale in arcpy as such: lyr.minScale = 150000 For a label, one can manually set the scale range within a dialog in ArcMap. In arcpy, is ...
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4answers
222 views

Issue with UpdateCursor and if/else statement

I have been working on this code for awhile and I can't make it work the way I need it to. The code is suppose to move a feature according to a set distance from types in a designated field. As the ...
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0answers
68 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 ...
0
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1answer
239 views

arcpy.ListDatasets() returns emtpy list

I'm having trouble getting the ListDatasets (or any of the list functions) to return anything but an empty list when pointed at our SDE geodatabase, but the same code works for a file geodatabase. I ...
1
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1answer
79 views

using arcpy to query sde database in python

I have three variables: view_name, column_name, and column_content. column_name contains id, name, address, etc. column_content contains 123, John, 200 King st, etc. user specifies the column_name ...
2
votes
2answers
124 views

Update raster value to reflect total number of points within cell- python

I have what should be a fairly simple task, but I can't seem to figure out how to do it. I have to do it in python/arcpy/gdal/whatever because I'm trying to automate this process for a hundred or so ...
3
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1answer
62 views

How to obtain the width and height of an image using arcpy

This Stack Overflow question shows how to obtain the pixel dimensions of an image using Python. Is it possible to find an image's height and width using arcpy and ArcGIS? arcpy.Describe would seem ...
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0answers
26 views

How to intersect widget using script python arcpy and geoprocessing service? [closed]

Is it possible to develop an intersection widget with geoprocessing service using script python arcpy? I try to do that with ModelBuilder but after publishing, in geoprocessing service i don't find ...
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2answers
581 views

Import CSV column into existing feature using arcpy

My goal is to take a CSV that contains 50 rows and one column and import the data into a feature class with over 3,000 rows using arcpy. I want to pick a random row from the CSV and then iterate ...
0
votes
2answers
118 views

Intersecting Polygons

I have 10 shape files containing polygon features. I would like to produce a single polygon layer containing portions of the input polygons where no fewer than two of the aforementioned feature ...
1
vote
3answers
292 views

Filtered list in ArcGIS toolbox

My goal is to grab a bunch of feature classes, select the first feature class, list the fields, and return that list to parameter 1 as a filtered list. My ArcGIS toolbox is setup with 2 parameters. ...
3
votes
1answer
180 views

Multithreading in Arcpy

I am learning multithreading and thinking about using it with Arcpy. The example I am working on doesn't have much practical reasons. However, I don't know why it fails on the line ...
3
votes
1answer
617 views

Arcpy Update Cursor (arcpy.da.UpdateCursor()) not saving changes to 'SHAPE@LENGTH'

Looked around and found other Cursor questions, but nothing dealing with updating 'SHAPE@LENGTH'. I am running ArcGIS 10.2.1 and have a multipoint shapefile that I am grouping into polygons based on a ...
6
votes
1answer
496 views

Are there any distinct advantages of creating a Python Toolbox over a Custom Toolbox?

I enjoy making different geoprocessing tools to practice Python and to become more familiar with the arcpy modules. I've just been using a Custom Toolbox and then importing the Python script and ...
2
votes
1answer
76 views

Exporting an ArcGIS model to a script, with a script?

I would like to automatically export ArcGIS models to python scripts (and graphics for the model diagram). In order to apply version control to ArcGIS Models my current workflow is to: a) build and ...
3
votes
1answer
58 views

Keeping the Highest Valued polygon

I have a single polygon feature class that contains large polygons which represent signal strength. Often times these polygons overlap. I dissolve to get multi-part polygons with a value range of 3 ...
2
votes
2answers
147 views

arcpy.Dissolve fails; need a arcpy dissolve to multipart workaround

I have a arcpy script in which I am using arcpy.Dissolve on a single feature class with multiple features to get a single multi-part feature in the output. The script is successful only part of the ...
2
votes
2answers
543 views

How to specify map service parameters when publishing with arcpy?

I publish map services on a ArcGIS server using the typical arcpy script below. I need to better specify some service parameters. For example, the service should be available in WMS instead of KML, ...
2
votes
1answer
128 views

How to generate landmark-based route description using ArcPy?

I am now using ArcGIS 10.1 and currently a beginner in ArcPy. There is a project requiring to generate landmark-based route description. I am wondering how to use a buffer to find the landmarks in ...
-1
votes
1answer
49 views

arcpy calculate zero number instead of negative number

I want to develop a model using python.When i want to calulate negative numbers using the model,my script get zero number. Whats wrong in my script ? How can i solve the problem ? Thanks for advance ...
2
votes
2answers
160 views

Why is arcpy.StackProfile_3d -> arcpy.SaveGraph_management creating empty graph?

In a python script I'm trying to save a graph to a .png file with graph output from arcpy.StackProfile_3d but the .png file shows an empty graph. The table created from arcpy.StackProfile_3d shows ...
2
votes
2answers
161 views

raster standard deviation stretch python script

I am looking for ways of applying a permanent standard deviation stretch to rasters via python script. Are there any arcpy raster stretch functions? I was looking for a reference but could not find ...
2
votes
1answer
243 views

Using 'construct points' on all lines in a shapefile (arcpy)

I need to use the editing tool 'Construct Points' on several shapefiles that each have ~1300 polylines. I need to do this to create points every 1km along each of the polylines, which represent the ...
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0answers
81 views

Error in cliping raster with multifeature polygon shape with arcgis9.3 using python

I have raster and I have a multifeatured polygonshape file. I Need to Clip my raster Image. Python code was developed for arcgis 9.3. It was working before and suddenly it stoped working. my codes is: ...
0
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1answer
130 views

replace data source for all layers that point to shapefile

I'm trying to do something quite simple but its not working. I want my python script to change all of the layers that point to the same datasource (a point shapefile) to another point shapefile. ...