How can I perform an inside clip on a raster file based on another raster file?
I have a raster file that I would like to use to perform an inside clip on another raster file. I have tried using the extract by rectangle tool, but it gives me values ranging from 3.40282e+038 to...
View ArticleImprove Python script logic/structure for erasing features with arcpy
EDIT: Too big a question, I think – so, to refine it: Please help me define (and therefore, research/learn how to use) the Pythonic concept for writing a script that can take one input variable,...
View ArticleHow to update attributes of a shapefile using list values?
I am using an update cursor to update the attributes of a shapefile using values from a list. It seems very easy, but I couldn’t make it run correctly. When I run the following code, it updates all...
View ArticleArcPy add point to a FeatureServer Layer
What is the best practice to add a point to a FeatureServer Layer using arcpy? using rest services, write to db, etc? Where can I find a code sample?
View ArticleLabel Features with Arcpy
I had run the contour tool in my script to generate polylines. Contour("rectExtract", "C:/fakepath/Class1.shp", 50,0) Now I want to label the polylines with the contour-value. If I execute this script:...
View ArticleEditing symbology of contourlines with Arcpy
I just have a problem with my pythonscript. I had run the Contour-tool to generate polylines. Contour("rectExtract", "C:/fakepath/Class10.shp", 20,0) Now i want to mark the 100 meter lines in another...
View ArticlePython script to read coordinate system of an input feature class? [duplicate]
This question already has an answer here: How to set parameters for Describe() function? 1 answer
View ArticleError 000368 selectbylocation in script from model builder
Can anyone help? I created a model-has buffer,clip, selectbylocation…. I exported the model as a script but when i try to run it i get this error: Executing: IGISprogrammingscript...
View ArticleHow to search records in very large table for matching features in FGDB?
I am working on the following challenge – not sure if this is more Python or ArcGIS-specific, so starting here. I have a table with three fields: ID#, “Revenue” and “Live” – and 2.1 million records. I...
View ArticlePython select by attribute using a variable counter
I am brand new to python and trying to learn how to do some simple loops but I have hit a snag. Below is what I am working with, I am trying to select the polygon row by row, but I keep getting EOL...
View Articlecan arcpy detect whether it's running in Desktop or Server?
I’m developing some code that I want to run both as an ArcGIS Server web service and as a standalone script. I want to be able to modify the execution slightly depending on whether it’s running as an...
View ArticleArcGIS 10.1 Python script to snap points to lines
I have 2 Feature Datasets in a geodatabase. One dataset contains bus routes and the other contains bus stops for each route. I want to create a script that will snap the bus stops to the vertex of the...
View ArticleLooking for ArcPy tool for calculating statistics on field with summary field...
What I’m searching for is a tool that will sum a field by a secondary unique field AND booleans… Let’s say I have 12 table each with 4mil records and the following fields: Donation_Amount ($ amount of...
View Article'Pausing' a Python script tool to allow the user to provide input before...
I am using ArcGIS. I have written a Python script that creates various surfaces including NDVI. After the script creates those surfaces, I would like the script to stop running while the user manually:...
View ArticleWhile looping with arcpy: ERROR 010240: Could not save raster dataset
Hi I am very new to python coding and have been struggling with this for a while I cannot see the reason for this error! Any help will be greatly appreciated. Here is the code that is causing this...
View ArticleWhy does AddField give ERROR: 000732 Input Table: does not exist or is not...
I was handed off a a bunch of state shape files and wrote a script to add a few new fields and calculate some attributes. The first line in my script is –...
View ArticleHow to select among overlapping linear features by create date?
I have a table which has overlapping linear data; for example: A----------C and B---------C. Of these two records I would only like to return the record with the latest create date; in other words, the...
View ArticleHow to calculate the length of clipped lines using buffered points using...
I need to create a buffer around each point of a points feature class. I would then want to use the point buffers to clip the streets feature class to calculate the length of the clipped streets using...
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Creating sign locations from an existing database with offset & dist to...
I have a database of 22,000+ signs that contains the offset from centerline along with a distance to/from the edge of pavement to a specific intersecting road for each sign. I also have a street...
View ArticleHow to read an Excel sheet in ArcPy script
I’m writing a python code to convert X,Y points in excel to shapefile. In this process i have toread xy points from shhet1. What is the step i have to include in my process to read data from sheet1 of...
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