A version of the Python programming language

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4
votes
1answer
170 views

Can a folder connection in ArcMap Catalog window be added using Python?

I have created a set of general scripting tools for map automation, etc. In one of my tools a geodatabase is created in the workspace folder the script points to. Just out of curiosity, is there any ...
4
votes
1answer
212 views

Why does ArcGIS 10.1 Upgrade Geodatabase tool throw ERROR 999999: Error executing function?

I am trying to upgrade File Geodatabases using a Python script that runs fine until the step where it runs the Upgrade Geodatabase tool. The error is: "ERROR 999999: Error executing ...
3
votes
1answer
218 views

How do I write XML metadata with Python?

Some Python software I have written generates raster files via GDAL. I would like the software to create an XML metadata file for each raster so that I can include details about how the raster was ...
2
votes
1answer
241 views

pyQgis in stand alone script, vector loading error

I am trying to use the Qgis functions in a stand alone Python script. I m running Mountain Lion OS, 2.7 Python & the Qgis 2.0.1 Dufour. My main problem is that I cannot get started - I cannot ...
1
vote
1answer
266 views

mosaic raster to file geodatabase yields missing raster sections

Since upgrading to ArcGIS 10.1 (SP 1) from 10.0, I've been encountering an issue when running the arcpy.MosaicToNewRaster_management() tool with output to a file geodatabase. I'm principally working ...
4
votes
0answers
82 views

How can I create a form so the user has to be authenticated to access a project?

I have a login form in QGIS and when it is loaded, python gives me an error for, apparently, not recognizing the findchild part. This is due to the fact that the form isn't loaded before the script is ...
3
votes
0answers
95 views

How to extract zipped shapefile and check its shape type using arcpy module without writing on disk

I have a zipped shapefile saved on my disk. I want to extract it in memory and check the shape type. I'm using arcpy module and want to stick to only default modules comes with python installation. I ...
3
votes
0answers
101 views

Why are my raster mean and standard deviation -1?

I have a set of about 25 rasters whose descriptive statistics I have been examining. The data in the rasters were calculated in Python and the rasters were created using Python-GDAL. In all but one ...
2
votes
0answers
51 views

How to use matplotlib with ArcGIS 10.1 without Microsoft Visual C++ Runtime Error?

I have problems using the matplotlib for python with ArcGIS 10.1 If I run the code below as a script tool in ArcMap. No pdf is generated and when I close ArcMap this error is shown. If I run the ...
2
votes
0answers
298 views

ArcMap runs custom script once and then it crashes on second run

So I made a script that takes data from an MSSQL database and inserts it into a featureclass. I added the script to a toolbox and am able to run the tool from within ArcMap 10.1. The problem is that ...
1
vote
0answers
36 views

Splitting lines once at specified distance from each end?

This is related to an old problem of mine, regarding arrowheads on lines, which doesn't look very nice unless the line is very thin. It's even an ArcGIS idea with quite a lot of votes (although no ...
1
vote
0answers
33 views

Rendering points and polygons with Mapnik

I've tried to render a few maps in Mapnik and I have a little problem. I want to render a map that contains two layers: point and polygon. I've used this script: import mapnik rule = mapnik.Rule() ...
1
vote
0answers
60 views

Changing default precision and scale of number fields in ArcSDE geodatabase table?

After I change the precision and scale for my short, long, float, and double field types when creating a table in ArcMap SDE geodatabase, ArcMap will reset my precision and scale to default values. ...
1
vote
0answers
78 views

How to extract NetCDF raster values to time enabled shapefiles?

Does anyone know a good way to extract NetCDF raster values to each data point from a time enabled shapefile at the correct time? I have tried using a python script tool and a loop that steps ...
1
vote
0answers
121 views

Use a Python script to stack layers from multiple directories and produce multiple outputs in ERDAS

I am using ERDAS Imagine 2013 and am trying to create a Python script that takes lists created in another script containing the path to each scene's raw data folder and base image ID's (for example ...
1
vote
0answers
52 views

Programmatically selecting features by polygon

Expanding upon this post how could you use QGis to programmatically draw a selection polygon and select features within the polygon? I have been using QgsMapToolEmitPoint(self.canvas), to find and ...
1
vote
0answers
64 views

How to create a circle vector layer with 12 sectors with Python and to save average value of underlying raster in each sector?

Hi I am writing a code with Python 2.7 using Arcpy 10.1 and I guess I am doing stuck with a silly problem that lies under my eyes. I have created a grid of points (with "Create fishnet" function) over ...
1
vote
0answers
54 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: ...
1
vote
0answers
85 views

Why does Describe function fail on annotation layer with RuntimeError: Object: Describe input value is not valid type?

I am accessing layers in an mxd programatically and also accessing the layer properties using the Describe function lyr =arcpy.mapping.ListLayers(mxd) # gets me the list of layers in mxd desc= ...
1
vote
0answers
53 views

How do I make vectorlayer with sql on PostGis via python code

I need to make a vectorLayer and fill with the SQL's results on PostGIS via python code. I'm working with python 2.7, QGIS 1.8 and PyQt 4.5 How do I it ? thanks
1
vote
0answers
60 views

Insert last coordinates from a list of coordinates with line ID into a multipart polyline feature class

I'm having problems creating the last line from a list of coordinates that I have. I have a text file with coordinate data with a X, Y, and a Line ID (LID). I read the file and inserted each ...
1
vote
0answers
127 views

Spatial Filter in Qgis Using Python

Is it possible to create buffer and get intersected features in Qgis using Python? I did in ArcObjects.but i need the same in QGIS also. Dim topo As ITopologicalOperator topo = chkPoint Dim sFc As ...
1
vote
0answers
60 views

Convert List by Source to List by drawing order using arcpy

When I do some calculations, it results in adding a table to TOC which converts "List by drawing order" to "List by Source". I want to convert it back to "List by drawing order" using arcpy and I am ...
1
vote
0answers
127 views

How to draw nodes of a graph in Python and link them to a table?

I would like to draw some points with a Python GUI, like a graph, and link those points to a table.
1
vote
0answers
274 views

DLL problem with PyQGIS

I am having problems with Python Shell importing the module "qgis.core". When I type "import qgis.core" the Shell ("idle.pyw") gives me this error: Traceback (most recent call last): File ...
1
vote
0answers
198 views

Mapnik: mapnik.has_pycairo() returns False. How to fix this on Windows for Python27?

I'm trying to modify rundemo.py (comes canned with Mapnik Windows binaries) to render output files at a higher resolution, but it seems I still have issues with my Mapnik-to-Cairo setup. I've got ...
0
votes
0answers
8 views

How to hit Network Analyst for OD Cost Matrix with different Origins & Destinations by SOAP Request

I am trying to get (solve) OD Cost Matrix from arcgis sampleserver with my own sets of Origins and destinations points. The problems is, I don't know how to use SOAP Web Service to solve OD Cost ...
0
votes
0answers
6 views

Pyqgis 2.2 : get signal on feature added : error message

For my pyqgis plugin 2.2, I try to: def logFeatureAdded(self,layerId,addfeatures): message = str(layerId) + " has features added: " for feature in addedFeatures: message += str( ...
0
votes
0answers
32 views

Get signal on edited feature?

Regarding my pyqgis plugin 2.2 , I've implemented signal on a vector layer event successfully. For instance, whenever i create a new feature, i can read a new basic message appeared via QGIS logging ...
0
votes
0answers
26 views

Read esri shape point data and spline interpolation using python shell scripts?

I am quite new in python scripting. I am a dedicated user of arcgis but this time I have to work without arcgis. I have a point shapefile with 10 different attribute fields of different peat layer ...
0
votes
0answers
16 views

Pyqgis :2.2 : link between a signal and an event

I'm writing a pyqgis 2.2 plugin with qgis 2.2 I succeeded in accessing and displaying vector data (geometries & attributes). I succeed also to create a 'beforecomitechanges' signal ( emitted, ...
0
votes
0answers
36 views

Change python installation directory arcgis

I've recently installed arcgis 10.2 on C: of my machine, I did this while my external HDD was plugged into E:, and the installer put python onto the E: Why it would do this I have no idea. Now I can't ...
0
votes
0answers
20 views

take record from ms-access using python and show it in Qt

I have a ms-access database and i try to make QGIS plugin that take record from table and show it in Qt, database have format like this : NO Skala 1 Skala2 Rekomendasi ...
0
votes
0answers
58 views

How do I install PyProj module for Python 2.7 on Windows 7?

I am having trouble installing the pyproj module for Python 2.7 on Windows 7. I have tried both the 32 and 64 bit installers from this list but the install crashes each time I run it. I have the ...
0
votes
0answers
27 views

Use python to execute GRASS module v.distance

I have successfully use python script to import a line shapefile and a point shapefile into GRASS, and the following are their attribute table in QGIS, line shapefile point shapefile Now I want ...
0
votes
0answers
229 views

Postgres SSL SYSCALL error: EOF detected with python and psycopg

Using psycopg2 package with python 2.7 I keep getting the titled error: psycopg2.DatabaseError: SSL SYSCALL error: EOF detected It only occurs when I add a WHERE column LIKE ''%X%'' clause to my ...
0
votes
0answers
47 views

import libtiff error

I am unable to use libtiff from Python on windows 7. Here is what I get when I try from libtiff import TIFF I do not understand the statement " Make sure that libtiff is installed and its location ...
0
votes
0answers
15 views

Parsing file didnt appear in textBrowser

I make QGIS plugin to parsing xml and show parsed file in textBrowser, however when i run the plugin, its still blank ( nothing happend ) and i didn't get error messsage when run it, this is the full ...
0
votes
0answers
29 views

Visualize bounding box to square like polygon

I want to add script in my plugin to visualize bounding box into a polygon shape, bounding box i try to visualize have format like this: (X1,Y1) (X2,Y2) (X1,Y2) (X2,Y1) Does QGIS/PYTHON have ...
0
votes
0answers
37 views

Producing latitude longitute coordinates in csv file based on place names on existing csv file

I have a code that takes the HTML code and extracts the table to put it in CSV file. I want to further take the place names inside csv file and add two columns that show lat and longitude. Here is ...
0
votes
0answers
22 views

saga_api python library : raise AttributeError(“No constructor defined”)

Good morning, I'm traying to execute a python script using saga_api library, unfortunately I'm stoped in the first step :(. when I tray to execute this command on python: ...
0
votes
0answers
78 views

GRASS module g.mapset can't create new mapsets from outside

I use pyscripter to control GRASS from outside. I want to create a new mapset named water. Here's my script to generate new mapset, import os import sys #set up GRASS environment variables ...
0
votes
0answers
43 views

Python Error in recognising ENVI file

I am trying to read a .bip AVIRIS file using GDAL in Python. here is the code: from osgeo import gdal from osgeo import ogr from osgeo import osr from osgeo import gdal_array from osgeo.gdalconst ...
0
votes
0answers
40 views

Suggestions on how to create an Owner Index for a Plat Book?

I've been tasked with creating a county wide plat book for publication this june. The cartography portion is fairly straightforward as I am using ESRI's Data Driven pages for ArcInfo 10 to produce the ...
0
votes
0answers
21 views

random point through raster

I've some issue in some task pls help if you can as I've not good python skills. I've a raster with values from 5 to 97 and I want a python script which can scan the raster and generate random points ...
0
votes
0answers
79 views

Missing pyexpat on QGIS 2.0.1: pyuic4 fails

I have encountered a problem when trying to develop a custom plugin for QGIS 2.0.1 (Python 2.7.5 with two additional Python installations on the same machine). When I try to compile the UI file ...
0
votes
0answers
99 views

SOLVED: “Open Source Routing Machine” works with browser but not with Python

What I have in Python: import requests url_osrm = 'http://router.project-osrm.org/viaroute?loc=50.12345,8.12345&loc=50.23456,8.23456' print url_osrm osrm = requests.get(url_osrm) # print ...
0
votes
0answers
272 views

ERROR 001269 : Compressing the service definition failed.ArcGIS 10.1,Python 2.7

I am trying to publish an mxd using python script. I invoke this pyhton script from c# application, after creating the sddraft file, the system throws up this error "001269 : Compressing the service ...
0
votes
0answers
724 views

QGIS Plugins - DLL load failed: %1 is not a valid Win32 application

This is my first question so please go easy. I am trying to develop a Plugin for QGIS. I made my plugin using the "plugin builder", then compiled the .qrc and .ui files with PySide-rcc.exe and ...
0
votes
0answers
919 views

Use Python to change datasource from a feature class to a view built on the feature class

I'm trying to replace the datasource for all of the layers in my map document using Python but I keep running into an error. Right now, all of the layers point to a feature class called ...