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Python script to derive new cells values from the current ones,
Python script to derive new cells values from the current ones, I couldn’t figure out how to develop a code that change the values of cells based on If –Then statements. Suppose that I got a raster...
View ArticleTraffic Data
I have written a script to attempt to download traffic data but it has shown some errors i have tried to rectify but returning the error. Here is my script: # Olawumi Lanlehin import arcpy from arcpy...
View ArticleCSV Field Types
Newbie to Python, but have written a script to concatenate multiple CSV files into one file and add a couple of computed fields. I was wondering if there is a way specify field types in python where...
View Articlescript tool for df.time.currentTime ???
I'm getting this error when I run my script tool. Traceback (most recent call last): File "C:\Users\Courtney\Desktop\ScriptTool.py", line 233, in <module> df.time.currentTime =...
View ArticleNew feature class and saving data
I'm very new to Python and I have a question about building an add-in for ArcMap. I've looked all over for a tutorials, but there are none that answer my question. I would like to build an add-in where...
View ArticleMulitvalue string parameter with drop-down list in Python Script Tool
I am trying to build a script tool using ArcGIS's 10.0 built-in python functionality. I have been trying to create a multiple value string parameter with a pre-determined set of values that each of the...
View ArticleIntermittent error on CostDistance_sa loop-calculations
Hi All, I'm newbie in python geoprocessing. I created CostPath calculation permutations. The problem is it runs sometimes and errors on different "set" of permutations. It's an intermittent issues.....
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select max value python or vb script
hello, i'am have some problem with my task. i want to try create model builder from my shp layer. how to select max value in field prio with VB script or Pyhton in model builder ? Attachment 23112...
View ArticlePlease read: How to post Python code
Please try to post code in code blocks in the forums. This is especially important with Python scripts, as indentation is part of the syntax! Here's how: Method 1: (This is the method to use in the...
View ArticlePython calculates incorrect date
Using the python expression time.strftime("%d/%m%Y"), my date is calculated as 12:00 am. If I drop off the day and month variables, i.e. time.strftime("%Y"), I get the date claculated as July 5, 1905....
View Articlecopy user privilege / role access to gis object across database
Hi, I can use python to copy dataset , feature class, table from one database to another database using a script similar to this article : http://support.esri.com/en/knowledge...s/detail/40831 My...
View ArticleClipping a raster and renaming it
I am still pretty much a beginner when it comes to python, so go easy on me. I am trying to clip a raster to a tiled polygon layout. I have a feeling that my errors: ERROR 000628: Cannot set input into...
View Articlepython version 2.7.3 usable?
The current documentation for 10.1 says that Python version 2.7 is compatible with ArcGIS, but does that mean 2.7.x? Wondering because I am thinking of installing the current version of GeanyPy, a...
View ArticleDelete dbf fields
I have a dbf table with four fields: OID,TYPE,FREQUENCY,COUNT. I only want to keep TYPE. I got this script off this forum and modified it to fit my data but it is not working. Is that because it is a...
View ArticleCreating Polygons with MouseDown
I would like to create an add-in using the "onMouseDown" and create polygon shape files. I have done this with model builder, but I'm not sure how it works with Python. I exported the Python code from...
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Facing Problem while Join managment through Python
Hi, I am automating LAYER dissolve process through pyhthon almost done.But faced some strange thing today. While running the python script from ARCMAP every thing is running fine(PFA screenshot), but...
View ArticleUpdate Cursor "Instance has no attribute" error
I am looking to use an Update Cursor over a feature layer in a map document to, well, update a handful of attributes. I seem to be getting an error that tells me the instance of my object does not have...
View Articlehow to use pythonwx in python-addin
I am using Python-addin under ARCMAP10.1 I want to use Media player , i found pythonwx has window media player control. I have develop a program using that control.I want to add this code as...
View ArticleEsri python arcpy.da.UpdateCursor - create cursor has failed (script error)
Hi, I'm working with the arcpy.da module for the first time and just trying to get a handle on how it operates. I have a PostgreSQL database with a simple table that includes these fields: id, field1,...
View ArticleSCRIPT TOOL ERROR - TRYING TO GET USER TO SPECIFY TIME FRAME ON DATA FRAME
Layer time is only read access. in order to specify the data frame time (ie time slider options) I need to be able to have the user select the time frame they would like. Data frame time has read and...
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