0
votes
0answers
35 views

Creating symbology by category in python?

I'm trying to create a python script that creates color-coded symbology by county for multiple maps with different data. I've never created a layer file for the purposes of symbology before, but I ...
3
votes
1answer
24 views

How to find the distance between start of line and start of raster with arcpy/python?

I'am creating a python script tool for ArcGIS Desktop 10.1 to extract profiles. I’m using stack profile to extract values to a table but stack profile only outputs values where the line and raster ...
1
vote
1answer
31 views

Overwrite option on a standalone ZonalStatisticsAsTable using ArcPy

How can I code an "overwrite option" on a standalone ZonalStatisticsAsTable using ArcPy? I don't see any overwrite option from a Esri example. # Execute ZonalStatisticsAsTable outZSaT = ...
2
votes
1answer
51 views

How do I rename rasters in an mxd by using my csv?

I have the following data in a csv: RasterName First name Raster 1 Aaron Raster 1 Paul Raster 2 Bryan Raster 3 Cranston Raster 3 Vince I have added these ...
2
votes
3answers
142 views

Clipping faster (i.e. in bulk/batch) in ArcGIS for Desktop?

I have 100 different input vector layers and one clip feature vector layer. I have to clip them 100 times but its a large amount of work. Is there any Python script (ArcPy) in ArcGIS for Desktop ...
2
votes
1answer
134 views

Python Syntax Error when running Python Snippet of successful geoprocess

I am having an issue with a simple python snippet. Here's the background: I wanted to include an additional step in a nightly update script that replaces characters in a field that simply do not play ...
4
votes
2answers
66 views

How to access raster NoData value?

I am trying to programmatically access the NoData value in a raster dataset as shown in the screenshot. Two tools that come to mind to describe raster properties do not seem to be able to describe ...
1
vote
0answers
39 views

Cause of Field Calculator UnicodeEncodeError: 'ascii' codec can't encode character u'\xf6' in position 5: ordinal not in range(128)? [on hold]

def Befahrung(value1,value2): if value1 is ' ': return ' ' else: return "G:\\Example\\" + str(value1) + "\\File_" + str(value2) + ".pdf" I try to create a field with a hyperlink. It works ...
2
votes
2answers
39 views

Performing a Python scripted tool based on whether a field is populated or not

My question is if I'm running the ArcMap Dissolve tool through a Python script, how can I tell it to check for attributes in one field, and if that field is empty, to perform the tool on another ...
1
vote
1answer
56 views

How to merge Shapefiles from multiple folders into Geodatabase Featureclass?

I have a question regarding the merge of a lot of folders, which has a lot subfolders, which has the shapefiles stored. I would like to merge all those in one geodatabase. So I thought to use a ...
1
vote
3answers
72 views

How to generate automatically the name of output parameters in a python script tool? [on hold]

I have some Python script tools in ArcGIS for Desktop. I need to reproduce what all geoprocessing tools do when the first input parameter is introduced: autogenerate a workspace and basename for the ...
1
vote
0answers
32 views

How to batch process near feature distance in ArcGIS

I have 2000+ point shape files. These are all GPS tracks. I want to calculate the distance from each point to the nearest feature (road, train line, restaurant etc) within a 30 meter radius. I am ...
2
votes
1answer
35 views

Map algebra from files in multiple directories

I'm a rookie in python programming. I want to do map algebra for multiple rasters but these rasters are in different folders. Here's the code ive created so far: #Importing modules import arcpy from ...
1
vote
2answers
47 views

Creating shapefile from selection - remove from map

I am iterating over a shapefile and creating a new shape from each row. I will be creating several thousand individual shapes and do not want to inundate my TOC with that many layers (I bet ArcMap ...
4
votes
1answer
47 views

How to extract certain values from a table using the SearchCursor Tool

I am trying to write a python script to extract certain values from a table: the table I am referring to is a big collection of nitrate values for different water depths, which are deposited in the ...
3
votes
0answers
35 views

ArcPy: Initialize zero valued grid Raster and iteratively increment

I'm jumping right into ArcPy to help out a friend who needs to automate some ArcGIS work. The problem at hand can be reduced to the following pseudocode: accumulationRaster = SomeZeroedRaster for ...
1
vote
2answers
52 views

Arithmetic on rasters with variable names in Map Algebra/Spatial Analyst?

I'm a Python (and StackExchange) novice trying to figure out how to perform calculations on temporary rasters with variable names. My attempt at a minimum working example is below, but I would ...
2
votes
1answer
52 views

arcpy.AsShape function returning RecordSet not Geometry

I have the following code: feature_geometry = arcpy.AsShape(json_string, esri_json=True) print feature_geometry print type(feature_geometry) >>><geoprocessing record set object object at ...
2
votes
1answer
69 views

Naming directories in python?

Why is it that when I label my directories this way: arcpy.env.overwriteOutput = True arcpy.env.workspace = "C:\\Users\\Documents\\ArcGIS\\Testing" arcpy.env.scratchWorkspace = ...
2
votes
1answer
33 views

Convert polyline to presence absence raster in arcpy

I have a polyline that I am converting to a raster in arcpy. This is occuring within a loop and at each iteration I change the processing environment to a different area of interest. In this case it ...
3
votes
2answers
49 views

Using ModelBuilder, how to define directory while using a Python script?

I have a model (shown below) in which at the very end of it I run a Python script ('SumFieldInsertNew'). One issue I'm having is that I'm creating this model for an end-user that will have little to ...
1
vote
1answer
31 views

trouble with code block execution in python script

I am trying to calculate values for a field in a python script, but keep getting an error that I don't understand: ExecuteError: ERROR 000539: Error running expression: Fron000000F1 Traceback (most ...
4
votes
1answer
106 views

Can ArcGIS ModelBuilder be exported to Python and run in QGIS?

Is it possible to construct a geoalgorithm on the ArcMap modelbuilder, export this entire algorithm to python syntax (without having ANY knowledge of python) and then import this algorithm to QGIS and ...
4
votes
1answer
79 views

Find max and min values from a table based on two fields

I have a geodatabase table with the following fields: County_Name, State_Name, Date_Time, Customers Example Alameda, CA, 8/1/2014 12AM, 6 Alameda, CA, 8/1/2014 1AM, 1 Alameda, CA, 8/1/2014 2AM, ...
2
votes
1answer
51 views

Problem with Python codeblock recognizing a field

'<'First Post Alert> I've been through multiple iterations / gyrations, and while there may be multiple problems here (and I'll appreciate feedback on all of them), the recurring issue is that the ...
3
votes
2answers
89 views

Calculate Field Syntax: If statement over many fields

Apologies if this has already being asked but I couldn't find a page pointing to this problem. I'm struggling with the python syntax in the Calculate Field so that, in the table above: if b, c, d, ...
2
votes
1answer
145 views

64 bit Python on ArcGIS 10.2.2 for Desktop

I am trying to have Python 64-bit with ArcGIS so that I can use my entire RAM when doing data analysis. Apparently ArcGIS 10.2 Desktop comes just with 'Python 32-bit'. Should I install a fresh Python ...
2
votes
2answers
52 views

Avoid adding new generated intermediate layers into ArcMap during Python script running?

I am running my script to do geoprocessing in the python window of ArcMap. Since the geoprocessing includes lots of intermediate files, and these files were added in ArcMap at the same time of the ...
1
vote
2answers
90 views

UpdateCursor only takes last value of SearchCursor

I have this piece of code: #written on python 2.7 for ArcGIS Desktop 10.2.2 import arcpy #set to folder where features are located arcpy.env.workspace = "c:\\Users\\python_ex" #on windows use \\ ...
3
votes
1answer
36 views

Build Network Dataset with python comtypes

I know this isn't possible in arcpy, so I thought I'd give it a stab using comtypes. I am trying to translate some of the VB.NET code to create a network dataset from the help docs: ...
0
votes
0answers
30 views

arcpy.Clip_analysis() Automatically Affixing .shp.shp to Target Feature Class Name?

I created a Python script that was previously working fine, but is now giving me an error when I try to use the arcpy.Clip_analysis() function in arcmaps 10.2.1. I am not adding a filetype extnsion ...
0
votes
1answer
36 views

Is it possible to import arcpy module to PyPy interpreter?

I'm trying to use PyPy for my code because of speed. But my code needs arcpy module to run and I cant find out how to install or import this module to arcpy. I'm using PyPy 2.3, Python 2.7 and Win 7. ...
-1
votes
0answers
48 views

ImportError when trying to import ephem module into ArcGIS Python script tool

I have ArcGIS 10.2.1 installed with Python 2.7 installed. Subsequently I installed Python 2.6 in the C:\ directory. I've downloaded and installed ephem 3.7.5.3. However, I keep getting the following ...
0
votes
1answer
34 views

python code to create an intersection loop with a geodatabase [closed]

I am trying create a loop that will intersect each individual township with a statewide section layer. I am having trouble with the syntax of the intersect tool I think, but maybe it is something ...
1
vote
1answer
38 views

Replacing text string on layout text element by reading lookup value from table via SearchCursor?

I'm not sure what the best way is to go about this, but here's my situation: In short, I exported a domain to a table (and I exported the table as a CSV, too, just in case it might be easier to work ...
0
votes
1answer
28 views

Rank cell values across multiple grids

I have multiple grids, one for each month of a year. I would like to create a new grid for each month/year combination that the cell value is the percentile rank of that cells value in the grid stack. ...
1
vote
2answers
70 views

Exporting lists of Feature classes and fields from SDE

I'm using matt wilkies' arcplus module http://gis.stackexchange.com/a/5943/16793 to export a list of feature classes within an SDE database to a text file. I've also written a tool to write field ...
0
votes
0answers
48 views

kriging interpolation of many z

I have similar questions with Iterating through z-values in ModelBuilder. I want to interpolate my z's with my specific interpolation extent raster and extract each value to specific grid points (I ...
3
votes
2answers
170 views

Python script to export .csv tables from GDB

I am very new to Python programming and have been tasked with writing a program to export a csv file from a file geodatabase feature class. The csv should contain only certain fields and the records ...
3
votes
1answer
43 views

Which parameter data type is used in the Integrate geoprocessing tool for ranking?

I'm trying to figure out which parameter data type is used in, for example, the Integrate geoprocessing tool. It looks like this: I'd like to use it in a geoprocessing tool I'm making, but can't ...
0
votes
1answer
41 views

Editing KML breaks icons

Edit: Solved it. When I was creating my new zip/kmz my code was creating various folders within the zip/kmz. Changed: NewZip.write(addedfile) to: NewZip.write(addedfile, newfl) /Edit I have KMZs ...
6
votes
4answers
643 views

How to optimise and speed up Python code? [closed]

Again my lines of surface runoff... I made a script, solving the issue when lines cross other lines. Something like generalization. Like on the picture below. The problem is that I have to solve 30 ...
1
vote
1answer
34 views

Con() does not recognize raster values

I have a problem when using the con() argument. What I want to do is to remap all raster of a raster file ("Red_SL") cells with values larger than 40 to the new value 5. All other values should be ...
0
votes
2answers
38 views

Check layer data type in gdb

I have path to layer or feature C:\base.gdb\test How to check is table or feature class by arcpy?
1
vote
1answer
33 views

Iso Cluster tool in script failing to open clip raster

I have been coding in Python for only a few months, so maybe I'm just overlooking a minor detail as a newbie. I have written the script below for a class project. It is supposed to clip two rasters, ...
12
votes
2answers
310 views

How is the data access cursor performance so enhanced compared to previous versions?

The data access module was introduced with ArcGIS version 10.1. ESRI describes the data access module as follows (source): The data access module, arcpy.da, is a Python module for working with ...
1
vote
2answers
40 views

Debugging SQL in arcpy.da.SearchCursor RuntimeError: An invalid SQL statement was used?

I am going through a python script in arcpy 10.1 to Select a field value (i.e. NEAR_DIST) based on three condition as 1) NEAR_DIST<=radius(i.e.500 or anything from user input) 2) ...
2
votes
1answer
45 views

How do you duplicate a point within a shapefile using Python?

How do you duplicate a point within a single feature class using Python? I have a partial sample script below, but in a nutshell, I want to duplicate a point, copy it into the same shapefile, and ...
2
votes
2answers
36 views

Selection of lines that lays mostly in defined zone (majority overlap)

I have lines of surface runoff and I need to select the ones that are lying mostly in internal buffer of polygon. I'm trying to make some script in python, but it's very important to make the script ...
1
vote
0answers
51 views

ArcPy Multiprocessing 000714 - Working in Debug Mode

In an attempt to render an interactive window via matplotlib I am using an out of process script in a toolbox. If I debug the script, it is possible to step through and render the window as expected. ...