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

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2answers
38 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
108 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
16 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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1answer
29 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 ...
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0answers
39 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 ...
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2answers
34 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
41 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
111 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 ...
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0answers
45 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 ...
3
votes
1answer
108 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
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1answer
93 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 ...
5
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1answer
208 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
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1answer
51 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
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1answer
44 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
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2answers
59 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
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2answers
50 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
83 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 ...
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1answer
42 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
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2answers
56 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
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2answers
52 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 ...
1
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1answer
61 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
26 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: ...
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1answer
23 views

replace data source for all layers that point to shapefile

Hi 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. ...
2
votes
1answer
34 views

Find maximum and minimum value in a list of raster

I trying to write a standardisation script that standardises each raster dataset in a list of rasters by the highest and lowest values found in the list of rasters. The standardisation code is as ...
2
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1answer
63 views

Map algebra for loop

I have never coded in Python before and I am trying to loop a simple map algebra equation across 365 rasters. I am trying to calculate total water flow over cells but in the raster I have a negative ...
5
votes
2answers
89 views

Is there a way to refresh imported modules in a ArcGIS Python Toolbox?

When using a python toolbox (.pyt) in ArcMap, I'll typically follow a pattern where the .pyt file itself is simply a wrapper to collect input arguments and define the tools themselves. Supporting ...
1
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1answer
66 views

Arcpy Script tool

I'm creating a script tool and using the SelectLayerBy Attribute function (below), arcpy.SelectLayerByAttribute_management("cities_lyr", "NEW_SELECTION", '"CRIME_INDX" <= 0.02') However, I keep ...
1
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1answer
51 views

Python syntax error -can't figure out why? [closed]

This should be simple. I hope I don't get down votes! I just got the following code from an article about using Google Maps API and ArcGIS to calculate routes without network analysis and just can't ...
0
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1answer
16 views

whereClause syntax for Cost Distance parameter

I am looking to create a sql expression regarding point feature class and selection based on 'Name' field to pass to arcpy.sa.CostDistance() param[0]. similat to: savepath = env.workspace = ...
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0answers
39 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 ...
1
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1answer
64 views

empty file geodatabase error (nowhere feature class)using arcpy [closed]

i want to import a python(2.7) script to arcmap 10.1 my script has 2 inputs variables one for workspace and another raster dataset and i want o convert input raster as feature class polygon . i want ...
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0answers
26 views

the functions In python

I work with ArcGIS 10.1 and I want to create a python script and I don't know with what I will replace these functions in ArcGIS 10.1: gp.SingleOutputMapAlgebra_sa() gp.Divide_sa() ...
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1answer
44 views

Weighted Overlay - passing parameter as text error?

For some reason when hardcoding the save path for the wieghted raster just before runtime it works perfectly. Like such... arcpy.env.cellSize = "90" arcpy.env.workspace = r'G:\Xcel\Route ...
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1answer
42 views

define error for python script to import arcmap [closed]

i want to create a simple python script for create one file geodatabase but show me define error # Import arcpy module Import arcpy import sys import os from arcpy import env from arcpy.sa ...
2
votes
1answer
50 views

Conditional SQL Query

I've been running a code that searches a desired field in a feature class and performs an specified SQL query based on whether the field is string or double. The variables are just temporary fillers ...
2
votes
3answers
92 views

How to set Definition Query on ArcPy layer from shapefile?

I'm trying to determine options to set a layer definition query using ArcPy. I know that it is possible when using arcpy.mapping.ListLayers(). However, in this scenario I am loading in ...
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0answers
9 views

arcgis python attribute error, object has no attribute

So I am very new to python and working through my first online course. Does anyone know how I can fix this error: ...
2
votes
3answers
276 views

Adding a new field and calculating area using Python

Using Python, how do you add a new field to your shape file and calculate the area in km2?
1
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0answers
63 views

Running python script outside of Arcmap's python console

My codes works fine in Arcmap's python windows. But when I try to run it in a command promt windows, It says that; ERROR 000837: The workspace is not the correct workspace type. But it works fine ...
0
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1answer
27 views

registering or unregistering as versioned a future dataset with python

As you know, you can store feature classes in arcsde in two ways. Firts, in the root path: sde_conn_file.sde/FeatureClass Second, in a dataset: sde_conn_file.sde/DataSet/FeatureClass How can I ...
1
vote
1answer
57 views

SQL within Python Script to get only part of the expression by GetParameterAsText

I was wondering if anybody could help me. Im trying to create a tool within ArcMap using a python script. Within the script i've been trying figure out how to change it so that I only need to get ...
1
vote
2answers
58 views

How to remove temporary layers so they don't show up in parameter lists

ArcGis 10.2, arcpy. I have several tools in a Python toolbox that have a feature class parameter. The parameter is defined as parameterType = “GPFeatureLayer”. When running several tools in ...
1
vote
2answers
42 views

arcpy 10.0 iterate through shapefile1 clip shapefile2 to shapefile1's polygons

I know that this question has been answered several times before, but for some reason I cant get this script to run...So I was hoping someone could point out where Im going wrong. I have 2 ...
0
votes
1answer
68 views

Unique Values in validation

How do I ensure the same selection is not made on param[2] and param[3] both of which are populated from the same field using tool validation? import arcpy class ToolValidator(object): """Class ...
0
votes
0answers
20 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 ...
2
votes
1answer
53 views

How can I exclude a field on a table from being copied?

I have a query "layer": >>> r = arcpy.MakeQueryLayer_management(r'C:\path\to\connection\file\connection.sde', 'TEST', 'SELECT T.ID AS OBJECTID, T.* FROM MY_TABLE T WHERE T.SOME_COLUMN = 1', ...
1
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1answer
53 views

Using arcpy.da.InsertCursor to insert an entire row that is fetched from a search cursor?

This is a simple process using the legacy cursors, but I cannot figure out how to do it with the newer Insert Cursor from the Data Access module. I basically want to take the entire row from a Search ...
4
votes
1answer
118 views

Determining Shape Area Field Name

I'm dealing with a varierty of spatial polygon files (shapefiles, file/personal gdb feature classes, sde feature classes (some with spatial views)) and depending on the file type, I get a mulittude of ...
1
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1answer
81 views

How to create sequential field based on sorted data? (or extract pop-up data?)

I downloaded a kmz field and converted it to a GDB fc on arcmap. However, the field I need to label the layer by is stored in the pop-up html field... It looks like this: <html ...