A version of the Python programming language

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0answers
94 views

Why do I get different results running a script in PyWin and loading it to the Python shell in ArcGIS? [closed]

I've been trying to teach myself Python scripting for ArcGIS and have gotten frustrated on multiple occasions when I try to debug my script endlessly, only to later find out that it actually works ...
0
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2answers
42 views

How to use coding for auto-comparing two different fields in ArcGIS for Desktop?

I want to compare two group fields in attribute table, which are related to the name of villages. The name of these villages (in both field) are the same but they have in some cases differentiation ...
1
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0answers
57 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= ...
3
votes
1answer
146 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 ...
2
votes
1answer
49 views

ArcGIS 10.1 Upgrade Geodatabase Check Version

Hi I am trying to check the version of filegeodatabase before upgrading to 10.1, I have a list of file geodatabases and some of them are already in 10.1. Can anyone suggest me how to update only those ...
2
votes
1answer
176 views

Python getting area of multipart features with SearchCursor()

I am tasked with programatically getting the area of each individual part of a multi-part feature. I have a script already to read each individual part and print its XY coordinates and it works fine ...
0
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1answer
54 views

populating one field value based on another field value

I have a feature class in a personal geodatabase with 2 fields. They both have domains set up to ease the editing process for my users. If my WaterType field is set as "Not Irrigated" (or code 4) then ...
1
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1answer
162 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 ...
0
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1answer
81 views

GDAL command lines on windows [duplicate]

I am trying to get started with GDAL on a windows machine using Python2.7. I have tried commands such as: gdalinfo RasterFileName.TIF and gdal_translate.py -projwin ulx uly lrx lry -of GTiff ...
0
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1answer
63 views

Fiona: won't install in Debian7.x-64bits/Python2.7

I need to install Fiona in my Debian7.x-64bits/Python2.7 machine. I already installed GDAL/OGR, pip, virtualenv, and six. I am using Python 2.7 so argparse is also installed. The installation protocol ...
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votes
1answer
75 views

“Open Source Routing Machine” querying and parsing

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 proxies = {"http": "http://YOUR-PROXY:8080"} ...
0
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0answers
79 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 ...
2
votes
1answer
40 views

How to determine if a raster has rowattributes?

I have a raster file which is the result of extract by mask geoprocessing tool. If it has no rows then I take it as no overlap between input raster and shapefile. Following is the way I am reading it ...
4
votes
1answer
74 views

ArcGIS 10.1 Anyway to make a script tool run immediatly upon opening

I have a script tool that creates an ArcSDE connection folder and copies data from the server to a new folder on the users computer. The tool has no parameters runs fine but when you open the tool it ...
3
votes
1answer
227 views

ArcGIS 10.1 Python Script tool wont read string variable in SQL statement [duplicate]

I am working on a simple script tool that selects features from a .shp and creates a new output with only those features. Basically the user specifies(from a drop down list) the county and the ...
1
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0answers
38 views

How to find out which layer had a Selection made on it? [duplicate]

If the user makes a select using arcpy.SelectByAttribute() or arcpy.SelectByLocation() how do you find out which layer they made the select so you can use arcpy.SearchCursor(layer)?
0
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1answer
65 views

Is there an event handler for a Selection being made using ArcPy?

I want to be able to capture an arcpy.SelectByAttribute() or arcpy.SelectByLocation() event being triggered. There doesn't seem to be an extension that is able to handle this. Is there a way to do ...
0
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0answers
24 views

ImportError: No module named arcpy - ArcGIS 10.1 and Python 2.7 [duplicate]

Traceback (most recent call last): File "C:\Python27\Lib\site-packages\pythonwin\pywin\framework\scriptutils.py", line 326, in RunScript exec codeObject in __main__.__dict_ File ...
1
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2answers
180 views

How do you get all the results from a Selection made by Attribute or Location using ArcPy?

Using arcpy I'm trying to get the results of a selection, or what is currently selected as a list. Basically I'm attempting to build an addin which on click will either perform an operation where I ...
1
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1answer
94 views

How to retrieve the year from a date format?

I'm attempting to retrieve the year from the following date format: 1/1/1988 I've tried the following but it does not work str(1/1/1988)[4:] and I've also tried str(1//1//1988)[4:]
2
votes
1answer
21 views

Listing datasets doesn't bring back the correct result

If I do a ListDatasets() in python, then I don't get the correct result in the list except for datasets belong to other schema owners, so why can I still see the datasets in ArcCatalog. The code is ...
1
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1answer
131 views

Find Direction/Location of point in polygon using Python ArcGIS10.1

I have a point located inside a polygon, I want to determine its location or direction i.e. if it is in the northwest corner or southwest. I have the x,y of the point. Any idea on how to do this? I ...
0
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0answers
199 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 ...
1
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2answers
138 views

How can I define the layer CRS for a memory layer in pyqgis

how can I define the CRS for a memory layer from the qgis project settings vpoi = QgsVectorLayer("Point", "vectpoi", "memory") feature = QgsFeature() ...
1
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0answers
49 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
0
votes
1answer
31 views

How to make a vectorlayer through of sentence SQL on PostGRES

How do I create a vectorlayer to through SQL on PostGiS on Python 2.7. I is working with QGIS 1.8 and I needed create a vectorLayer through SQL on PostGIS.
0
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0answers
523 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
1answer
275 views

QGIS python - reference a layer in the table of contents

I'm trying to create a plugin for QGIS using python, But need some help. I want to 1.Zoom to a layer and 2. make the layer visible(switch off or on). But I have managed to zoom to an active layer by ...
1
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0answers
46 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 ...
3
votes
2answers
235 views

How to control state of buttons in Python Add-In?

I have bunch of buttons to perform separate tasks within a Python Add-In. Buttons are greyed out and required to be enabled after initial tools run. In the following example, tool1 is turned off after ...
4
votes
2answers
303 views

Gdal Python Bindings and File Geodatabase API

I'm trying to get python 2.7 to work with GDAL/OGR and an ESRI file geodatabase. There have been a few similar questions asked but the answers don't fully resolve my situation. I have installed the ...
1
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1answer
65 views

How 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 ...
3
votes
0answers
78 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 ...
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0answers
99 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 ...
0
votes
0answers
25 views

How to create an array of points in ArcMap? [duplicate]

I have a master point in following projection system: WGS_1984_UTM_Zone_45N WKID: 32645 Authority: EPSG Projection: Transverse_Mercator False_Easting: 500000.0 False_Northing: 0.0 Central_Meridian: ...
1
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0answers
48 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 ...
0
votes
1answer
221 views

Getting error in compiling make file for plugin build in qgis 1.8

I am using QGIS 1.8 for building plugin. For developing i am using following ref this link example. where in this step 6 where compile the makefile in OSGeo4W. gives error pyuic4:command not found. I ...
0
votes
2answers
130 views

Why is Shapely not installing correctly?

I am trying to run Shapely on a new machine, and tried both installing it from source, using the installer on its webpage, and using pip install shapely. Every reference I try to make from the library ...
1
vote
1answer
99 views

Export ArcGIS Model to Python - Iterate Rasters, Collect Values, Calculate Values

I want to batch process a large number of raster files, calculate some values and properties and export these to a .csv or .xls. I managed to get a good working model that does this perfectly. ...
1
vote
3answers
357 views

How to setup a debugger for QGIS Plugin development?

As the title of the question implies, I wish to know how to set up a QGIS Python Plugin Debugger so that I can develop plugins more efficiently. Any information regarding this would be much ...
1
vote
1answer
117 views

Best Platform to develop QGIS Python Plugins

I am currently developing QGIS Python Plugins in a Windows 7 64-bit environment. Having said this I am stumbling across various issues which from what I have been able to gather have a less tendency ...
1
vote
1answer
195 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 ...
0
votes
1answer
282 views

Can an arcpy.da.SearchCursor be used on a dataset residing in a ParcelFabric?

I'm using ESRI's LocalGovernmentMI.gdb data model and am managaing parcel data in a ParcelFabric dataset. I'm trying to use a search cursor on the ParcelFabric_Parcels dataset but I recieve this ... ...
2
votes
2answers
291 views

Run Python child script using Python Add-In button class?

I have a Python script which I want to execute using Python Add-In button class. Right now, I am using following: class child(object): """Implementation for Toolbar_addin.button2 (Button)""" ...
0
votes
1answer
128 views

How to use expression in QgsVectorlayer label by using python?

how to show the two field values as a label on features. I have done it for a field called "ErrorDescr" with this i need to show another field values. Other field is "MarkerId" ...
0
votes
1answer
306 views

UnboundLocalError: local variable referenced before assignment

I have following simple function to get percent values for different cover types from a raster. It gives me following error: UnboundLocalError: local variable 'a' referenced before assignment which ...
3
votes
1answer
101 views

Where can I find a python GDAL 1.8.0 package?

I have python 2.7.4 installed on my RHEL 5 machine along with gdal-devel-1.8.0 and gdal-1.8.0. I tried to install the GDAL 1.9.1 package available on python's page ...
6
votes
1answer
918 views

GDAL/Python: How do I get coordinate system name from SpatialReference?

In Python, using GDAL, I've extracted a raster's projection as a WKT string as follows: wkt = dataset.GetProjection() # wkt is ...
2
votes
2answers
267 views

Quick way to make a convex hull

I am using Python and ArcGIS 10.1. Is there a function or very quick way to extract points out of point feature class into an array without looping through a search cursor (as I have millions of ...
0
votes
1answer
156 views

Running a script with QgsFeature from within the console

I am trying to run a script from the QGis Python console (similar to: http://spatialgalaxy.net/2012/01/27/qgis-running-scripts-in-the-python-console/) The line feat=QgsFeature() operates fine from ...