Tagged Questions
0
votes
2answers
45 views
Splitting Shapefiles [duplicate]
I am trying to create a code that will accept the input of a shapefile, and separate each of its features into separate shapefiles into a specified directory location. Can anyone help ? I am trying to ...
1
vote
2answers
52 views
How to Add Shapefile with Symbology from Layer File to ArcMap MXD using ArcPy/Python?
Say I have a Shapefile:
C:\DATA\points.shp
A layer file:
C:\SYMBOLOGY\symbology.lyr
And a map document:
C:\MAPS\map.mxd
How can I add points.shp to map.mxd with the properties of symbology.lyr ...
0
votes
0answers
130 views
Problem reading attribute with Python using osgeo.ogr
I am working thru "Python Geospatial Programming" and I have a problem in a program in Chapter 6 that I cannot seem to solve.
The small program:
import osgeo.ogr
shapefile = ...
3
votes
2answers
93 views
Csv to Shp conversion? [duplicate]
I am working on a really big script right now where I have a csv file that I have removed rows and columns from, and edited the headers. I need to create one big shapefile for the entire csv file then ...
1
vote
1answer
146 views
Find and replace unicode character in a shapefile
I've found several example of script and blog posts on working with unicode characters, but I haven't been able to make anything works so far... It's a little frustrating
I have a shapefile encoded ...
1
vote
1answer
63 views
OGR - Weird GeomType -2147483645 on polygon shapefile
I am trying to import a shapefile (multipolygon) in an app with ogr but I got an error about invalid geom type. If I inspect the data with ogr like this:
datasource = ogr.Open("c:\\temp\\data.shp")
...
3
votes
3answers
115 views
Updating Attributes using Pyshp
Is it possible to update an attribute field in a shapefile using pyshp ?
I went through their documentation and all they show is how to create new attribute rather than editing or updating an already ...
1
vote
1answer
96 views
Why does Add Field to Layer File give “ERROR 000840: The value is not a Feature Layer”?
I'm trying to add a field to a layer file, but it always gives an error. What I did was making a closest facility layer and save the result as a layer and after that I tried to add a field, but then ...
1
vote
2answers
136 views
PyQgis overwrite shape file and adding layer to Qgis
I am creating a shapefile in python by:
driver = ogr.GetDriverByName('ESRI Shapefile')
datasource = driver.CreateDataSource('c:/temp/toke2.shp')
layer = ...
0
votes
0answers
83 views
Help in GRASS/QGIS/Python
I have Idea about ArcGIS, and a bit of QGIS and zero programming knowledge, which I am trying for thesedays. I saw GRASS GIS and have started working with shapefiles, which are not being loaded... :( ...
2
votes
1answer
73 views
need help for script checking topology using ogr in python
My main goal is to create a new feature indicating if the line features intersect each other as well as if they are not connected to a feature.
My problem is how to identify the intersecting and not ...
4
votes
2answers
249 views
How to write Shapely geometries to shapefiles?
Can someone demonstrate a simple way to write geometry data-structures from shapely into shapefiles? I am particularly interested in polygons with holes and linestrings. It would also be beneficial to ...
4
votes
2answers
187 views
Split a shapefile into multiple shapefiles based on a particular Field [duplicate]
I have a shapefile where there are 3 fields OBJECTID, NAME , LOCALITY. I want to create new shapefile that contains the geometry, projection etc. of the parent shapefile and according to the locality;
...
5
votes
2answers
273 views
How to get text attributes from shapefile with python / pyshp
I have a shapefile, containing only points in XY-coordinates and a string attribute for each point. I would like to read the coordinates and the attribute for postprocessing in python, but can't get ...
0
votes
0answers
77 views
Regional statistics from a dataset (point inside a polygon aka region)
I am relatively new to GIS and I am trying to do some geographical analysis on same data I've collected. The dataset I have consists essentially in a file with the following format:
...
