A vector data storage format for storing the location, shape, and attributes of geographic features. Often referred to as 'an ESRI shapefile', as ESRI developed it.

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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 ...
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0answers
1k 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 = ...
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1answer
374 views

Incorrectly Projected PostGIS data in TileMill

When I bring PostGIS data in EPSG:900913 into TileMill, my layers end up on other continents. This is my workflow: (1) Save shapefiles in QGIS to EPSG:900913 (2) Import the shapefiles using PostGIS ...
3
votes
2answers
1k 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 ...
5
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1answer
271 views

Shapefile and DEM: check rivers behaviour

I'm working with shapefiles representing rivers (rivers.shp), and DEM for the terrain elevation (terrain.tif). Basically, I want to check that my rivers (stored as polylines in my shapefile) behave ...
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3answers
337 views

Converting Categories to shapefiles [duplicate]

I have created 2 Categories in a feature using classification.Now how do I convert them into new shapefiles?
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1answer
5k 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 ...
2
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1answer
2k views

Exporting shapefile to Google Earth format (*.kmz) using QGIS?

Is there a way to export a shapefile to Google Earth format (*.kmz) using QGIS?
2
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1answer
364 views

Kartograph Open Street Maps

Firstly, congratulations to Gregor Aisch for creating such a wonderful library, thank you! I am having a little trouble rendering an svg from some osm data. I downloaded the Sweden transportation ...
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3answers
8k views

Finding municipal-level administrative boundary data for India?

Does anyone know how to find a shapefile with boundaries of Indian municipalities? I have tehsil boundaries as for year 2001, but I would like boundaries of municipalities and, ideally, also ...
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2answers
220 views

Is it possible to create CAD file from shapefile and also create CAD blocks from the database fields

I am trying to find out if there is any software or plugin/code that I can bundle that will take a shapefile and export it to a CAD file with CAD blocks generated so our CAD mappers can just move the ...
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1answer
236 views

Postgis invalid geometry from shape file

I'm having trouble converting a Feature class (shape file) to a DB table (Postgresql 8.4/Postgis 1.5). This is the command in the pg log: INSERT INTO "public"."distritos" ("Shape" , "DEPARTAMEN" , ...
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1answer
2k views

How to rename field names in a shapefile from the commandline?

I need to rename the field names (attributes) in a shapefile. Is there an easy way to do this from the command line?
8
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2answers
5k views

How to count points in shapefile within polygons of another shapefile?

I'm creating a map with two shapefiles. One is a polygon of counties. The other is points of cities. I used the function intersect to group the cities in each county. I'm trying to get the number ...
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1answer
2k views

How to calculate polygon areas in acres or square miles instead of feet?

I have a layer in State Plane NAD83. When I use "Vector|Geometry Tools|Add/export geometry columns" or Field Calculator they both create the area in feet. What if I want acres or square miles? Thanks ...
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4answers
539 views

Does shapefile or MapInfo TAB have advantage as source format for OGR conversion to GeoJSON?

I'm relatively new to OGR and GIS in general. Most of the sources I look at give a choice of ESRI shapefile and MapInfo formats. I'm using ogr2ogr to convert these to GeoJSON for import into ...
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1answer
261 views

Arcpy CreateUniqueName usage: keep original input names

This is a continuation of the question I asked here: At this point I'm really just trying to get everything in one place and keep the original shapefile basename. I'll tackle merging like-named ...
5
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1answer
402 views

Can I edit shapefile while using a definition query in QGIS? [duplicate]

Is it possible to edit shapes while using a "definition query" or "query builder" in QGIS? I'm trying to do this in the same way I used to in ArcGIS. Thanks!
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1answer
686 views

Is it possible to update layer source in qgis

I've loaded a few shape files as layers in qgis, and I'd like to make a duplicate of the project and all associated shape files into a single directory. However, all of the layer sources are still ...
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1answer
2k views

How to dissolve polygons and aggregate their data in QGIS? [duplicate]

I have a shapefile (one layer) with my country but I have a problem. It is divided into 4 entries (prefectures), and I want it as one, not 4. Also, there is a table with some data, and I want to ...
3
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1answer
433 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") ...
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1answer
248 views

ST-Links convert Feature Class to DB Table error

I'm using ArcMap with the ST-Links SpatialKit Conversion tool to convert a Feature Class to a DB Table. But I'm getting an error: ERROR: 42601: type modifier is not allowed for type "geometry". I ...
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4answers
4k views

How to avoid creating corrupt Shapefiles during Editing?

I have one of my GIS technicians digitizing some lines in QGIS in shapefile format. I don't know how he did it (and neither does he), but somehow the shapefile became corrupt. It was creating random ...
0
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1answer
182 views

I want to change using C# the style of a set of shapefiles once I have uploaded them or while I am uploading them

I am using C# and the WebRequest class to create a worksapce and then another WebRequest to create a datastore and upload a folder full of shapefiles to a geoserver. However, I would also like to ...
2
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1answer
668 views

Force dimensionality with shp2pgsql

After invoking: shp2pgsql -W "latin1" theshape.shp > thesql.sql My console responds with: Shapefile type: PolygonZ Postgis type: MULTIPOLYGON[2] Note the shapefile type is PolygonZ. The result ...
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2answers
428 views

British National Grid to KML results in offset polygons

I have a shape file of English wards from ONS. It is similar to the files available here: http://www.ons.gov.uk/ons/guide-method/geography/products/census/spatial/2011/index.html except I had to ...
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2answers
283 views

Shp2pgsql - exec() not allowed on external server

Me and my collegue are using the shp2pgsql and psql commands in php code (a Drupal module to be precise). We put these commands in a php variable and use the exec() command to execute them. This ...
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0answers
93 views

Mapping between two different agencies roadway shapefiles of Las Vegas in ArcGIS

I have two roadway shapefiles of Vegas. But they do not overlap. One of the file has a certain shift from its exact location. Can anyone help me how can I move the location so that they overlap ...
8
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2answers
2k views

Performance of Shapefile and PostGIS with GeoServer?

I'm going to build a web application, which will render around ten maps using GeoServer. I will be also changing the attribute data in the application for some layers. What is the recommended choice ...
3
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3answers
2k 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 ...
2
votes
2answers
763 views

How to calculate area in sq km of an ellipsoid shapefile

In QGIS, I often find myself setting up projects with an ellipsoid coordinate system (e.g. WGS84) so that the resulting maps have lat lon scales, etc. Often in these projects I also need to do some ...
0
votes
1answer
212 views

Saving part of OSM shapefile in QGIS as GeoJSON strips 'name' field to 25 characters long [duplicate]

I want to copy part of OSM data in ESRI Shapefile (downloaded from http://download.geofabrik.de/europe/ukraine.html ) and save in in GeoJSON to style later in Tilemill. After saving, I see that ...
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1answer
124 views

BBox missing when converting TIGER to GeoJSON

I can't get the bounding boxes of polygons if TIGER/Line shape files when converting them to GeoJSON using FWTools. The other default information is present and there is no difference between the ...
0
votes
1answer
161 views

Correlation and terrain databases [duplicate]

I would like to know what kind of computation I could perform on a terrain database. I'm making terrain for VBS2 from raw data (shp files and DTM Elevation files) and then I'd like to be able to check ...
2
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2answers
1k views

GeoJSON to Shape file conversion with geotools

Can someone please provide me an example of how to convert GeoJSON to Shape file using geotools?
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0answers
171 views

Join .csv file and .shp of georeferenced points

I have georeferenced a map and saved a selection of some points on the map. These points are cities of departure and arrival and I want to join the .shp with a and excel .csv with the information of ...
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0answers
171 views

How can I add data to a shp file attribute table from arcobjects?

I have a code that selects row data from a listview table in VB.net. I have declared that data as a variable and I can see it if I ask it to dispay a message box (see code below). Now I would like to ...
5
votes
1answer
1k views

Using ArcPy to batch merge based on shapefile name?

ArcGIS 10 SP4 Python 2.6.5 I have quite a few shapefiles that are in many different directories. I'd like to pull out groups of like shapefiles, merge them, and move the results into a FGDB. I've ...
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3answers
97 views

Trying to match delimited text layer to my shapefile

I'm pretty new to QGIS and having a bit of trouble getting a text layer to match my shapefile. I'm trying to plot Canadian cities on a shapefile I have of Canada provinces. The provinces shapefile is ...
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1answer
1k 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 ...
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1answer
79 views

Is there a way to traverse and select all vectors connected to a starting vector?

Preferably using QGis I'd like to remove errors from a road network .shp file and was wondering if there was a away to perform a flood fill or traversal on a vector layer to select all connected ...
4
votes
1answer
372 views

How to determine correlation between two databases?

I need to perform some tests and verifications on databases and/or datasets. I need for example to analyze two databases and then determine if there is enough correlation between both. My main issue ...
3
votes
0answers
171 views

Shapefile and geocoding to retrieve an area name

I'm very new to GIS and all things geospatial! I have dbf, prj, sbn, sbx, shp and shx files that have been provided to me. The shapefile contains information on parts of the country that have been ...
2
votes
1answer
690 views

Problem to clip a raster with a shapefile

I need to clip a rasterlayer with a vector layer. When I try this, the following error appears: **ERROR 1: Attempt to create 0x0 dataset is illegal,sizes must be larger than zero.** What am I ...
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vote
1answer
1k views

How to create a 3D shapefile from a raster?

I´m trying to make a 3D shapefile from a raster feature but not working. Tried already to run the command in OSGeo4W but nothing happen. I'm using the Qgis 1.8.0 Lisboa. The purpose is to get a final ...
1
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1answer
815 views

Unable to load Shapefile using pgShapeloader / shp2pgsql-gui (pgAdmin3's PostGIS Shapefile Import/Export Tool)

I am trying to load a shapefile (http://dds.cr.usgs.gov/pub/data/nationalatlas/statesp020_nt00032.tar.gz) into PostGIS 2.0.1 using pgAdmin3's PostGIS Shapefile Import/Export Tool. However its not ...
5
votes
3answers
7k views

How do I add my own map layers to Leaflet

I have a Leaflet map and want to add two of my own small polygon layers (currently in shapefile format, but they could be converted to GeoJSON). Can this be done without a mapserver to publish them ...
2
votes
2answers
530 views

What's the correct transformation for Lambert Conformal Conic for Wyoming?

I am a newb in QGIS. I have loaded QGIS 1.8 (Lisboa) and practicing with a number of maps for portions of the state of Wyoming. My maps are mostly in UTM 12N NAD 27 & NAD 83 some are in decimal ...
5
votes
1answer
2k views

better way to duplicate a layer using ogr in python?

I'm splitting a large shapefile into many smaller ones using ogr. I'd like to just copy all of the field and layer config information from the original. Here's how I'm doing it now: src = ...
0
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1answer
190 views

Problem with encoding of CSV and SHP files in Linux

I am new to using QGIS. I came up against the encoding issue of shp files. This solution to solved my problem in Windows (for source I had to put windows-1253 instead of utf-8) My question is what ...