1
vote
1answer
37 views

Import shapefile is not working in pyshp?

I am just trying to use "pyshp" package to open shapefile in Python and use the Attribute data for further development. Firstly I have downloaded pyshp package for python 2.7 and installed it in my ...
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
1answer
35 views

How I get dbflib module for python27

I'm trying to use a script by python to download MODIS imagery. I follow this script: http://pyevolve.sourceforge.net/wordpress/wp-content/uploads/2009/02/modis.py. I installed: ...
3
votes
1answer
42 views

raster landuse calculation

I want to calculate the counts of each landuse type based on the unique landuse code from each raster datasets. Raster dataset consists of six major landuse and their unique codes are below: 1) ...
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
1answer
21 views

GRASS module g.mremove returns irrational outputs

I want to use g.mremove to remove multiple files in my mapset, import os import sys sys.path.append(os.path.join(os.environ['GISBASE'], 'etc', 'python')) import grass.script as g import ...
1
vote
1answer
48 views

Extract information of a raster overlayed on another raster with a lower resolution directly in python

I have two aligned rasters with the same extent, one has a resolution of 5 meters and the other of 125 meters. I would like to place the 5 meter one over the 125 meter one and assign to these smaller ...
1
vote
2answers
180 views

Why my python script of r.watershed has no output?

I type those code in pyscripter, import os import sys #set up GRASS environment variables sys.path.append(os.path.join(os.environ['GISBASE'], 'etc', 'python')) import grass.script as g import ...
0
votes
1answer
45 views

Better ways to check if GRASS r.water.outlet works out fine output

I use my python script to call GRASS module r.water.outlet from outside, and here's my script(I perform this script in pyscripter): import os import sys #set up GRASS environment variables ...
0
votes
1answer
51 views

Difference between python IDLE and eclipse on accessing GRASS

I have seen these posts:GRASS and Python, Using Eclipse to develop GRASS Python programs. I used to use python IDLE to control GRASS, but I can't make python and GRASS connected, as I described in ...
0
votes
1answer
261 views

SyntaxError: invalid syntax (<string>) in Pl/Python (PostgreSQL) [closed]

I have python 2.7 and I have weather script which returns temperature infos, I would like to implement this script into PostgreSQL. I always got this error: DETAIL: SyntaxError: invalid syntax ...
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 ...
5
votes
1answer
376 views

How to do a separate Python installation with ArcGIS?

I see a lot of threads asking how you can have a separate Python installation (e.g. the Anaconda or Python XY distribution) and get it to work with arcpy, while not 'breaking' ArcGIS at the same time. ...
0
votes
1answer
193 views

Plotting 3D Data using Python

I have a Uniform Grid of 1KMx1KM squares as a shapefile with population data in each grid in a specific column as an integer. I would like to extrude each polygon based on the population and export ...
3
votes
3answers
407 views

Sqlite, Python 2.7 and Spatialite

I am trying to spatially enable my sqlite database: import sqlite3 db = r'c:\temp\mydata.sqlite' conn = sqlite3.connect(db) conn.enable_load_extension(True) cur = conn.cursor() cur.execute(r"SELECT ...
-2
votes
1answer
82 views

How to create a link in the message body of email with Python? [closed]

I want to send an email with python that contains as a link in the body of an email as well. This link is actually a path to a file. If a receiver clicks on link It should open a folder where the file ...
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 ...
2
votes
2answers
414 views

Automatically download Modis image using python script

I need download Modis imagery automatically from the website: https://earthdata.nasa.gov/. I found this link: http://gis-techniques.blogspot.com/2010/06/getting-modis-image-automatically-from.html ...
1
vote
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
votes
1answer
85 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 ...
1
vote
2answers
280 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
vote
2answers
220 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 ...
7
votes
1answer
2k 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
423 views

Help with Python and adding a grouplayer to arc, renaming it from a folder name, then adding layers to it from that folder

I am trying to use os.walk to go through a directory tree, pull out all the .shp files in it, create a grouplayer in the mxd, rename the grouplayer the folder name, then add the layers from that ...
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 ...
3
votes
1answer
653 views

Import functions in python Add-In logic script

I am running into an error. I have a set of functions which I want to import in the python Add-In script at the time of execution, but when I built Add-In with "import stats" line then tools are ...
4
votes
1answer
369 views

Efficient computation of nearest distance for each point to closest polygon

I'm looking for a more efficient way to compute the nearest distance between features from 2 layers, in this example for each point the nearest distance to the closest polygon. Is there a more ...
0
votes
1answer
395 views

zonal histogram fails to create output table when looping

Using python I'm having problems when trying to attempt a FOR LOOP with the ZonalHistogram function of ArcGIS 10.1. It works fine if I use it only for one image but it gives me this error while for ...