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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58 views

How to convert geospatial data with a custom SRS into ESRI Shapefiles?

I want to convert geospatial data stored in a .csv file into GeoJSON or ESRI Shapefiles. The problem is that the coordinate reference system is not in the database of EPSG codes. The originator ...
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46 views

Is it possible to use custom (non-circle) buffer shapes?

I have a shapefile containing points. I'd like to replace each point by the same shape, centered around the point, like the "Buffer" tool with shapes other than circles. How can I do that?
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67 views

How to convert an XML to Shapefile using FME?

I am looking to convert XML to shapfiles using FME. The XML files are user generated while they draw points and lines (mainly) of interest on a web map. We generate the XML in the backgroung ...
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0answers
41 views

Merging shapefiles to one, rearrange columns?

I am trying to merge two shapefiles which both contain polygons representing properties in QGIS 2.2. One problem is that the names of some of the columns in the attribute table differ between the two ...
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34 views

Geoserver Choropleth Map with Shapefile and MySQL Database

I'm learn to use GeoServer and i would know if it possible to bind Shapefile with MySQL Database ? (GeoServer) I would like get an choropleth map. I use this shapefile : ...
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16 views

Using QGIS, how can I create attributes within a polygon layer based from a selection in that layer?

I'd like to add a column, or attribute rather, to selected rows within a polygon layer. I would simply like to make a binary system, where those that are selected receive a "1,' let's say, and all ...
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18 views

Is it possible to sort by Layer Name when adding vector data from file geodatabase in QGIS?

Is it possible to order the data alphabetically when adding data from a file geodatabase in the Select vector layers to add... window in QGIS? It is ordered by the Layer ID number, with no way to sort ...
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47 views

Want to get an SHP file for my coutry Algeria

H everyone , i'm running a clustering test on my country with R, but the problem the clustering doen't look good because of the map i have, i hant to get a bigger map of my country 'ALGERIA' in an SHP ...
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33 views

How do add attributes from shapefile to list of lat/long-coordinates using QGIS?

In QGIS I have a csv-file which contains lat/long-coordinates and population data for each coordinate. I also have a shapefile containing certain regional districts, in my case US counties. Now I ...
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2answers
574 views

Reordering polygon shapefile permanently?

I've written a script which produces a polygon shapefile of the extents of all the thousands of rasters in our library. I want to organise the FID so that the files with the largest extents are on the ...
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1answer
791 views

Conflate (merge) private shapefile data with OSM data

Background Downloaded Alberta OSM data from Geofabrik and have it running on a private Linux server using PostgreSQL 9.1, PostGIS 2.0, Mapnik 2.1.0, osm2pgsql, Apache 2, mod_tile, renderd, and ...
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67 views

Convert a classification image to aggregated polygon in shapefile using gdal/python

My goal is convert a 2D numpy array to shapefile. The matrix results from a classification, so the numbers have a meaning. I solved my problem, but the solution is somehow involuted and complicated. ...
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35 views

Reorder rows of shapefile in the file [duplicate]

How do I reorder the rows of the shapefile in the file? I know how to order them in the attribute table view, but I need to actually switch up the order (by descending id) in the file itself. It's a ...
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37 views

How to cut a shapefile using a batch?

I would like to cut a shapefile using a batch (like in the photo): But I have some problems because I don't know what do I have to put in field "extent" and after putting somthing like ...
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2answers
109 views

How to clip a lines vector layer to a polygon layer in QGIS?

I've perused through previous questions and haven't been able to find an appropriate solution to my problem yet, so I wanted to post here. I have a lines layer (a contour map of mean annual ...
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15 views

Why is QChainage not assigning linear referencing sequentially from start to finish?

I have a simple linear feature representing a pipeline that needs linear referencing every kilometer. When I add the specifics to the tool it runs fine but my result does not count sequentially from ...
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3answers
115 views

Performance problems using big points shapefile in TileMill

I've downloaded all the addresses in Italy from OSM and now I've a shapefile with more 514.000 points (16.065 KBbyte when zipped). I need to publish them with other geospatial information (points ...
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4answers
186 views

Which projection should I use to get my WMS service to work?

All of my shapefiles have exactly the same WKT. Using http://prj2epsg.org I have verified that EPSG:3059 has the same parameters as WKT definition of my shapefiles, so I'm using 3059 in my mapfile. ...
2
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1answer
47 views

How to count the number of data points in each area in QGIS?

I have a shapefile (.shp file) which defines a large number (several thousand) separate areas. I also have an Excel spreadsheet which contains a large number of data points. Each data point consists ...
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2answers
63 views

Geoserver WFS POST and format_options=PRJFILEFORMAT

I'm using geoserver (2.4.4) to provide users with shapefile downloads. Some of the software the shapefiles are going to be used in requires .prj-files that follows the "ESRI-standard". A bit of ...
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1answer
220 views

How to open a shapefile using Python in QGIS?

I have tried to open my shape files with the help of a tutorial (http://spatialgalaxy.net/2012/01/27/qgis-running-scripts-in-the-python-console/) but unfortunately I couldn't open my shapefiles for my ...
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1answer
40 views

changing attributes or names of shapefiles

I am trying to join a subset of two similar shapefiles, one with states from the US and the second with provinces from Canada. The datasets are available here: shapefiles from Geocommons I noticed ...
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1answer
69 views

Most efficient way to batch clip in FME?

I have one large shapefile and 100 smaller shapefiles that are smaller areas within the large shapefile. Using the Clipper transformer, I want to clip the large shapefile using each of the smaller ...
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1answer
45 views

Shapefile output customization via WFS in Geoserver?

I'm running Geoserver 2.4 and I've created a layer that I'm using WFS to download as shapefile (or, rather a zipfile with shapefiles). This works fine, and a request like: ...
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68 views

R - how to create a pre-determined number of identical square polygons to use for a choropleth map?

I am trying to plot crime data density (again!) over a city map, say of NY. As a well known problem there are plenty of examples on this ...
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1answer
34 views

Valid values of mollweide projection in QGis

i just imported a vectorlayer (without any reference points) to qgis as mollweide projection to save it to longlat. What i am wondering about is a mathematical problem: Not every x,y coordinate on the ...
3
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1answer
140 views

Is there a QGIS bezier curve tool?

I'm a recent convert to QGIS but have been confused about the lack of support for drawing curved shapefiles, especially when Arc has almost too many. A lot of the work that our consultancy do is based ...
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0answers
82 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 ...
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3answers
41 views

Trying to view large shapefiles

Is there a way of viewing only a part of a shapefile in ArcGIS 10? At the moment if I try to add it the software crashes? Any help appreciated.
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1answer
33 views

QGIS how to add string field

I have a few point shapefiles. I want to merge them, but first give each point a certain type according to shapefile. How do I add a String field, all with the same word? (changing the field type ...
0
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1answer
39 views

Loading shapefile into CartoDB throws 2001 error?

I've been trying to load shapefiles (that are zipped in windows compressed folder) into CartoDB and I always get an error 2001. These shapefiles were exported out of an ESRI geodatabase (SQL Server). ...
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1answer
50 views

Looking for advice on getting GIS data into existing AutoCAD site survey

I've got a variety of GIS data from Albemarle County in ShapeFile and DWG format. I'm looking to get the topographic layers and property boundaries together with my existing site survey created by a ...
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2answers
76 views

Georeferencing Vector Layer (shp) from Mollweide Projection to Custom CRS in QGis

the title might be a little complex. Its part of a massive project: I'm working on a fantasy world; a map, to be more specific. I basicly just started to paint a world map in Photoshop, but over time ...
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251 views

How to query OSM for all beaches facing west? - QGIS preferred

I want to identify all beaches on this planet (or a given subset of it) that are facing westwards (+/- 20-30 degrees). My idea is to use OSM as the data source. Extracting all polygons that have the ...
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0answers
36 views

PostGIS automatically creating geometries after importing using QGIS DB Manager

I have a shapefile consisting of linestrings, in which some of the features have null geometry. Yet, after importing it to PostGIS, using QGIS' DB Manager, a geometry is created for those features ...
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1answer
75 views

How can I connect my point pattern shapefile with my polygon window in R?

I would like to do some spatial statistics in R. I have a point layer called '1983' that represents the distribution of one species, and a polygon layer called 'SA-R' that represents the study area. ...
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1answer
59 views

Persistent datum conflict error. Datums are the same

I'm clipping a number of features using other feature layers, and was careful to get everything into WGS84 beforehand, using what I thought were the proper datum transformations. Now I keep getting ...
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1answer
54 views

shapefiles for global border crossings

I am trying to find a shapefile or set of shapefiles that contain global border crossings. Basically, what are the points of transit between one country and another. Does anyone know if this data is ...
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2answers
86 views

How can I create a pdf map at a high resolution while still keeping the file size manageable?

I have numerous layers in shapefile format that contain a lot of data across a large area. I am trying to create a .pdf file that shows all of the area and I want it to be in good quality, so that ...
3
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2answers
98 views

A python tool like GNU's diff for shapefiles?

I often use the GNU diff tool to compare two files or even two folders for differences. I was wondering if there is a Python based tool out there that does basically the same for shapefiles? In the ...
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2answers
100 views

How to fix shape file projections

I have a project with several shape files. The files overlapping however. I have to go to unusable extents to even see the file on the same screen. I have tried using to project to as suggested here ...
2
votes
1answer
95 views

Why is shapefile not drawing in expected location after (or before) using Define Projection tool? [duplicate]

I have downloaded this zipped shapefile of bus routes from the City of Houston data portal. I then performed these steps in ArcGIS Desktop 9.3.1: Extracted the shapefile from the *.zip Added this ...
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1answer
47 views

help with editing shapefile

I am not sure how this is done but I Have a shapefile with state borders for a country. What I would like is to sort of delete/dissolve the state borders and be left with only the country border. In ...
0
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1answer
39 views

How to get feature for a given bbox from shapefile by ogr

I have some features point,line,polygon with shapefile format, now I want to get features for a given boundbox, is it possible to remove the features out of the bbox? And for a polygon, I think it is ...
0
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0answers
42 views

QGIS: field calculator is not working with shapefile created manually

I have an issue the field calculator of GIS 2.2 field calculator. I've not encounter problem to update values with the field calculator (I'm using the $row_num function) if the shapefile was created ...
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0answers
42 views

Shapefiles for all the individual countries in the world [closed]

I'm searching for shapefiles that I can later convert into SVG (with something like kartograph.py). Essentially I'm just looking for the outline with (if possible) a dot where the capital is on the ...
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1answer
48 views

How to cut short a shapefile?

I have a large world map in a shapefile from which I need to crop a smaller region. I am planning to use in in java based simulation. How to do that? I am completely new to GIS world so can anyone ...
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2answers
69 views

QGIS Connection PostGIS and shapefile

I'm working on QGIS with a database created in PostGIS and a shapefile. Inside the database, I have geometry type data about location of some points, instead on the shapefile there some selected ...
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1answer
500 views

Opening .shp file under Add Vector Layer

When I try to open streets.ship file from the exercise data file downloaded for working in the Quantum GIS Training Manual, I get an error message: Invalid Data Source C:/Users/new ...
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1answer
139 views

Problem opening a shp in another application

I helped a colleague converting waypoints from a gpx file to a shape file. My colleague has only arcMap. I gave him the shp and when he opened it in ArcMap, it did not show anything in the attribute ...