The act of setting up computing instructions, usually stored in a file and interpreted at run time.

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2
votes
1answer
483 views

how to loop grass command in python and put variable in output file

first day Grass programming with python scripting; first prob; simple I want to reclass the same raster several times; and save the file with the value loop variable at the end ... can not get it ...
2
votes
0answers
46 views

GIS related scripting [closed]

This might not be strictly GIS related, but here goes. I am looking for a script (DOS based) or application (Windows) that does the following: In a filesystem there are a collection of raster maps, ...
1
vote
1answer
225 views

GRASS scripting for producing multi-band raster

I am trying to loop the r.sun function within a Python script. Anyway, I seem not to understand how I can stack the raster maps each loop would produce into a single multi-band raster (preferably in ...
1
vote
0answers
137 views

Geoserver fails to start after installing scripting extension

I use Geoserver 2.6.0, it worked until I installed latest scripting extension. I followed installation instructions (http://docs.geoserver.org/stable/en/user/community/scripting/installation.html). ...
1
vote
1answer
200 views

Iterating an ArcGIS tool over multiple Fields with selection boxes

I have one shapefile that contains many fields and I'd like to write a simple script tool that allows me to run IDW for the fields I select. Is this possible? For example..... Input: 1 shapefile ...
1
vote
1answer
117 views

How to work with accentuated strings in Python scripts in ArcGIS Desktop Field Calculator?

` pre-logic: def myCalc(name,nameVal): if (name == nameVal): return 1 else: return 0 var_name= myCalc(!Epulettipus!,"Lakóépület") ` This doesn't work with accentuated strings. (But ...
1
vote
2answers
653 views

Writing Python script in Field Calculator in ArcGIS Desktop?

I'm a programmer, I have programmed in C#, Java, but not with Python. And I'm not a geographic worker. How can I write a python script into Field Calculator to be able to check the other column value. ...
1
vote
1answer
73 views

Creating a raster based on a where clause

I am writing a script that deals with a raster that will need a subset of the raster outputted and the rest of the original raster needs to be "no data". To clarify, say, there is a raster and ...
1
vote
1answer
211 views

To count the number of grid cells in a polygon

Is there a way ArcGIS could count the number of 15 seconds interval grid cells within a polygon after digitizing that polygon. This should appear in a field in the attribute table.
1
vote
1answer
877 views

geoprocessing service via python toolbox script, local versus server paths

So I feel like I'm missing a very basic concept when it comes to publishing python toolbox scripts to a geoprocessing server. I've scoured the ArcGIS online help (not saying I've read everything, and ...
2
votes
1answer
38 views

Polygon from CSV ∂x-∂y values

I am trying to make a map of a property fenceline based on a survey which gives precise bearings and distances between landmarks. Following recommendations in this thread, I used a CSV file to turn ...
1
vote
2answers
637 views

How to create GRASS scripts in C# in Windows

Most of the tutorials that I have seen are under Python and Linux. Is it Possible to create GRASS scripts in C# or atleast in Windows. I can create scripts using a different language as a compromise ...
4
votes
1answer
2k views

Script tool Value ERROR 000735: Output Layer: Value is required?

I've been struggling to get my script tool to run without receiving the following error: <class 'arcgisscripting.ExecuteError'>: Failed to execute. Parameters are not valid. ERROR 000735: ...
0
votes
0answers
45 views

How can I implement GRASS GIS flow direction process from DOS scripting

When I try to implement its showing it work completely in its command prompt(grass) and creating output files also but when I try to view the result its not showing anything in Map Display I ...
1
vote
1answer
160 views

Implementing python code in Whitebox spatial analysis tool

1.I want to implement this python code wd = pluginHost.getWorkingDirectory(C:\xampp\htdocs\learn\doit) flowPointer = wd + "d8flowpointer.dep" outputFile = wd + "manjflowaccscript.dep" outputType ...
3
votes
0answers
155 views

Creating Data Frame or Group Layer using ArcPy? [duplicate]

I am attempting to write some Python code which creates a blank data frame or group layer which can then be populated with other layers. I'm at a loss as to how to do this since I'm somewhat new to ...
3
votes
1answer
165 views

Accept multiple input types in ArcGIS Script Tools UI

everyone! I'm working on a python script that calculates aggregations of ACS Variables (i.e. adding "Renters who spend more than 30% of Annual Income on Rent", "...40%...", "...50%...", etc.). The ...
15
votes
7answers
7k views

Bulk field rename in file geodatabase

I have a file geodatabase with several hundred feature classes in it. Some feature classes have a field that got named incorrectly, and it got named "SCHEMA_FEATURECLASS_ENTITY" instead of just ...
1
vote
1answer
275 views

QGIS Scripting problem updating contrast enhancements for raster layers using bandStatistics

Found this function to update statistics for a raster layer : rlayer.setContrastEnhancement(QgsContrastEnhancement.StretchToMinimumMaximum, ...
1
vote
2answers
3k views

Error "unsupported operand type(s) for +: 'int' and 'NoneType' for variance in python

I recently came up with an error in a script I am working with in Python for ArcGIS 10.1. The strange thing about it is that this script works for some files and not for others. Any ideas as to why ...
1
vote
1answer
223 views

Using Area Solar Radiation tool for many rasters with different latitudes and Z values?

My problem is as follows: I want to count direct radiation for all Europe. As the Area Solar Radiation (ASR) tool allows to work only on small landscapes, I cut my raster-Europe into fragments with ...
16
votes
6answers
6k views

Documentation for Esri's ArcPy Python site-package?

Has anyone found any informative documentation about Esri's ArcPy Python module?
3
votes
0answers
216 views

Create vector grid from canvas using script

I've modified "Hex grid from layer bounds" script to my need. Just added cellsizex and cellsizey. Changed the hexagonal - 3 to "1" to make it as a square grid. Is it possible to include an option to ...
2
votes
2answers
234 views

shell script ogr2ogr export

I'm writing a simple script to export postgis data to geojson. The ogr2ogr command works well, but I'm having problems when I'm passing the parameters. #!/bin/bash echo 'enter country code' read ...
12
votes
2answers
9k views

How to export only certain columns to a CSV file in ArcGIS?

I've written a python script using arcpy which outputs a polygon feature class into a File Geodatabase. I have added a function to export the attributes to a separate CSV file. I am using the code ...
6
votes
1answer
494 views

Can QGIS map canvas update while python script is running?

I want to automate a periodic refresh of the QGIS map canvas with updated shapefiles. A Python plugin or console script does not allow the map to update until the script terminates. Is there a way to ...
0
votes
1answer
678 views

Using Union on multiple shapefiles to output single result

Using QGIS 2.2 and Python, I would like to use the Union algorithm on multiple shapefiles (contained in a folder TEST) which would then produce single shapefile containing all the data. Currently ...
2
votes
1answer
86 views

How can i add script with math functions to model builder?

I am very new to model builder + python. (Sorry for my english too) I am trying to make a model. Don't know if it matters to upload it. If you want i can. I want to calculate variance from a ...
4
votes
2answers
210 views

ArcGIS Toolbox, parameters for python script not as positional arguments

I have an ArcGIS Toolbox with a bunch of parameters. A python script is used to perform some raster operations, based on this parameters. I am using Python argparse in the script to get the ...
1
vote
1answer
282 views

Executing tool comes back with an error arcpy.JoinField_management

I have this script snippet, written by Aaron. import arcpy import os #set workspace arcpy.env.workspace = "C:\\Users\\Documents\\Wetland\\New_Folder" #in the folder "New_Folder" is a geodatabase ...
1
vote
1answer
221 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, ...
10
votes
2answers
6k views

Resources on using R in QGIS for R users?

This is a very basic question, but I'm having a heck of a time figuring it out because so much of the QGIS documentation is oriented toward use of the GUI. I want to be able to run R scripts in QGIS, ...
2
votes
1answer
833 views

ArcPy script error - NoneType object has no attribute X

I'm familiarising myself with using scripting in ArcMap 10.2 and as part of this I'm using the following to extract vertices from some polygons. ... ... import arcpy ... from arcpy import env ... ...
1
vote
1answer
375 views

Error using 'Join attributes by location' via Python

Trying to run a simple script using qgis:joinbylocation but getting either errors or it's not processing correctly. I don't want to take a summary of the attributes, just the attributes of the first ...
-1
votes
3answers
126 views

ArcGIS arcpy code fails in Toolbox mode

This code executes correctly in Python window but fails with ERROR 000732: Input Table: Dataset JHJ does not exist or is not supported # Import ArcPy and other required modules import arcpy ...
0
votes
0answers
332 views

I cannot use Gdal Python but Gdal binary, how to fix?

**UPDATE: I can use GDAL with Python now by copy file from Gdal 1.11 compiled folder to Python package folder. But the problem with GDAL binary and GDAL library that they cannot read the HDF5 file. ...
1
vote
1answer
274 views

Possible to run “Merge shapefiles to one” algorithm from Python script?

Developing a python script in QGIS 2.2, I can run algorithms from the Processing plugin fine such as those from QGIS geoalgorithms and SAGA. Can you do the same for the algorithm "Merge shapefiles to ...
2
votes
1answer
442 views

Definition Query then Zoom to Layer Automation?

I'm trying to create something in here. I want to have an automated process of doing a DEFINITION QUERY then ZOOM TO LAYER with one step. the concept is like that, a dialog comes up with one form ...
2
votes
2answers
278 views

ArcPy setup and operation

I'm looking getting familiar with using ArcPy scripting within ArcMap to automate some common requirements (buffering, etc), however have some queries on how this is all set up. I'm running Arc 10.2 ...
1
vote
0answers
174 views

How to keep all the unique columns of the shapefiles after merge?

Writing a script where the user is asked to select a directory which contains Folder_1 and Folder_2, both containing shapefiles and run various algorithms. The basic logical process of the script is: ...
-2
votes
1answer
617 views

Creating a python script to import an excel spreadsheet, create shapefile and do some analysis [closed]

I am trying to write a script that does the following. Imports an xls file containing x, y, and other columns with data. I want to make this into a point shape file. I want to take that point ...
8
votes
7answers
826 views

Are there any “highly customizable” GIS platforms?

I'm new to this site which I find useful and refreshing until now. And to my question ( WARNING: it's a bit long, so you can skip right to the question two paragraphs down). I was educated in GIS ...
0
votes
0answers
84 views

Script to stack multiple landsat bands in different folders

I wanted to find out if there is a possible script I could use to stack landsat bands into a single image, and then apply that stack command to multiple folders (I have about 100 landsat scenes that ...
-1
votes
2answers
155 views

arcpy open up a script tool window once user save edits

On our map, after user draw a polyline on map and click "Save Edits", we need user to input the attributes related to the polyline drawn. In case user forget or skip this step (input attribute ...
3
votes
1answer
930 views

Calculating mean upslope aspect from each cell in DEM using Python?

I am trying to write a python script to calculate the mean aspect upslope from each cell in a DEM. I have the general workflow down, but my final output is restricted to angles between 0 and 90 ...
0
votes
1answer
307 views

How to open QGIS using VBA?

Using VBA, I want to open QGIS (the actual GUI) and execute a simple script through the Python console or the editor.
0
votes
1answer
71 views

Set the parameter values retreved from database in Arcgis script tool in toolbox using python [closed]

I am now thinking a function to allow user to modify his information stored in the database. To do this, I developed 2 script tools in ArcGIS(10.2), One is the ask user to input his ID, the other one ...
2
votes
2answers
832 views

Median value for a case within ArcGIS 10.1

Similar to this post (ArcGIS median value from a layer) I am looking for a toolbox to get the median value for a data field by a case. For example, say I have dataset with percent tree cover for each ...
0
votes
1answer
64 views

QGIS Python - Executing functions for multiple directories

I would like the user to select 2 directories, each directory having their own defined algorithms. For example: First_Directory will add a column to all shapefiles in the chosen directory; ...
0
votes
1answer
99 views

Iterative interpolation

I have an excel file with about data from 600 locations, each location having data for 1200 months(12 months* 100 years). I need to interpolate all point locations into rasters for each month of each ...