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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4
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2answers
7k views

How to convert bearing, distance, xy coordinate measurements to point shapefile?

I have a natural resources dataset where individual seedlings in canopy gaps were recorded from a center "legacy tree" within each canopy gap. Each sapling has the following measurements associated ...
4
votes
9answers
21k views

Creating shape file from file with coordinates

How can I make a shape file of an csv file with coordinates?
4
votes
1answer
4k views

Upload Shape File using GeoServer REST API and C#

I'd like to upload shape files using GeoServer REST API and C#. So far, I can create workspaces using the REST API and C#. From GeoServer documentation (specific to cURL), the difference between ...
4
votes
1answer
6k views

How to plot points on maps using ggplot2 and R?

Thanks for help me in GIS 101 Problem #1, now I have geocoded a few hospital in Connecticut using google map, I have able to visualize them in QGIS, now I am trying to do it in R. ct <- ...
3
votes
3answers
1k views

Sites with recreational shapefiles for United States?

Do you know of any sites that I could find some recreational shapefiles? An example would be shapefiles of golf courses, ski resorts, or maybe baseball fields in the United States?
3
votes
0answers
275 views

PyQGIS joining a dbf to a shapefile [duplicate]

I am trying to join a shp and dbf file using the PyQGIS API. The code I'll use is below: from PyQt4.QtCore import * vector1 = QgsVectorLayer("path to dbf file", "test1", "ogr") id1 = vector1.id() ...
3
votes
1answer
186 views

nx_spatial does not read all shapefile features

I have a polyline shapefile for a road network. The roads are split at every intersection (node), e.g. if two roads intersect at one point, then they are split into four links(edges). So using the ...
2
votes
1answer
1k views

encoding problem with QGIS 1.8 and CSV import

I have following problem with QGIS 1.8. Lisboa (standalone installer, Win 7 Pro 64bit) - I import CSV - text in CP1250 separated with ";" and using "," as decimal separator. I correctly set the ...
2
votes
1answer
2k views

Seeking shapefiles of business locations [duplicate]

Does anyone know where to find shapefiles of businesses such as grocery stores or gas stations?
1
vote
2answers
1k views

Python - GDAL : Polygon to point shape file

I want to read all the points in a polygon shape-file and use their coordinates to make a new point shape file. then find the min and max of the X coordinates. So here is the code I wrote for the ...
19
votes
4answers
6k views

How do you determine a shapefile's charset?

Is there a way to determine the charset used for a given shapefile?
17
votes
3answers
13k views

Free tool to convert ArcGIS layer package (*.lpk) to shapefile (*.shp)?

I have received a *.lpk file from Esri's ArcGIS platform that I would like to convert to a shapefile. How can I do this, using only free software?
12
votes
2answers
600 views

How to clean such a bad shapefile for routing ?

I am trying to clean a shapefile to make it usable for routing with pgrouting, postgis, postgresql. Here an intersection, it seems to be connected but when we zoom …. It is not: Same here : ...
10
votes
2answers
261 views

Retrieving size of shapefile in ArcPy?

Is it possible to retrieve the size of a shapefile using python and arcpy? If so, how?
10
votes
2answers
2k views

Shapefile to SVG with ArcMap (while retaining country attributes)

Does anybody know how to export the Natural Earth 1:110m shapefile to SVG with ArcMap while retaining the country attributes? From SVG I'm gonna try to convert it again over to RaphaelJS to achieve ...
10
votes
2answers
2k views

Which Windows GIS editors support the creation of 3D shapefiles besides ArcGIS with 3D Analyst?

I need to find and easy and affordable way to generate 3D linear shapefiles in Windows so one of our users can inspect our tool. We incorrectly assumed that he had 3D shapefile source data available ...
9
votes
6answers
1k views

How to programmatically check if the number of shapes = number of table records?

I have a handful of approximately 1000 shapefiles that are corrupted (see attached error message). The shapefiles were generated from eCognition Developer 8. There is a script tool that seems to ...
8
votes
1answer
5k views

How to convert GDB data to shapefiles without ArcGIS?

We've got some data (supposedly it's a simple collection of points--or at least that is all we need to extract) from a 3rd party in a GDB folder (I don't know how to tell what version) but we don't ...
8
votes
2answers
2k views

Is there a standard for the specification of .prj files?

We use shape files for data exchange. I've looked at the .prj files: different programs produce different prj files. Is there a standard how the parameters must be specified in a prj file? AFAIK the ...
7
votes
2answers
1k views

Control the colors of a shapefile

I have a Shapefile with road data. Sometimes the roads are blue, sometimes they are green. I didn't used to mind, but now I'm tiling everything so I need to control the colors. I'm loading it with ...
6
votes
3answers
2k views

How to load OSM data into PostGIS preserving all Tags?

I am new to the field of GIS and am trying to view source tags in OSM. I have downloaded the shapefiles from http://downloads.cloudmade.com and have loaded them into Postgres. When I view the data, I ...
6
votes
1answer
8k views

How to re-project shapefiles?

I wanted to re-project a QGIS project, but there is no such option. When searching for an answer I see ogr2ogr suggested for this task, by re-projecting each vector layer (shapefile in this example). ...
6
votes
2answers
566 views

How to generate discrete areas from multiple, overlapping features?

I have a point dataset that I want to append some information from a polygon to. My polygon shapefile contains over 500 features. Whilst each of these features represents individual areas they are ...
5
votes
1answer
294 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 ...
5
votes
3answers
1k views

Adding a GIS feature to existing database entry with QGIS

I've built a database with postgreSQL with tables, which include geometry columns. When I add some data to my non-geometry columns, I can see them in QGIS when I connect to my database using postgis. ...
5
votes
2answers
2k views

Error exporting data from Oracle to shp using ogr2ogr

I have an oracle table which I would like to query/make a selection. I would then like to export the selection to a shp file. I'm using gdal and ogr2ogr. Following the guidelines here and here I ...
4
votes
2answers
3k views

ogr2ogr srs options: where is the well known definition determined?

In the ogr2ogr documentation it says that when using -a_srs srs_def: Srs_def can be a full WKT definition (hard to escape properly), or a well known definition (ie. EPSG:4326) or a file with a WKT ...
4
votes
2answers
2k views

Kicking someone off a shapefile in ArcMap

I have ArcMap open, and someone else has the same shapefile open as me. How can I kick them off so that I can edit? I get the following error message: "Unable to save edits, cannot acquire a lock"
4
votes
1answer
2k views

Mapnik Style Filter on River/Lakes Shapefile attributes (from Natural Earth Data)

As a followup to this question, I downloaded the vector data here: http://www.naturalearthdata.com/downloads/10m-physical-vectors/ and I successfully created the rasterized water/land mask I ...
4
votes
1answer
1k views

Mapnik + OpenStreetMap + Shapefile with Raster Images + Mod Tile + PostGIS

I am new to GIS. I have a Shapefile (.shp, .shx and .pbf). The .pbf file contains path to PNG files located on my machine only. I was able to save the Shp data to PostGis via Shape2Gis tool. Now ...
4
votes
2answers
1k views

Splitting DXF layers into Shapfile layers in QGIS?

When i load a dxf into QGIS all the layers are present in the attribute table. Is it possible to split this "entities" layer in QGIS into its component parts and save each component part as an ...
3
votes
0answers
84 views

Select shape file by their coordinates behavior [closed]

I want to filter shapefiles by their latitude behaviour: If the latitudes of edges A and B are constantly decreasing or increasing then this class marked as correct, otherwise are incorrect. For ...
3
votes
1answer
490 views

Converting Coverage files into shapefiles?

I am attempting to convert coverage files into shapefiles using arcpy. This is not the e00 files, but the bin files. ArcGIS help suggests that it can be done using ...
3
votes
1answer
98 views

How to export color of polygon from Autocad into QGIS?

I use Qgis 2.14. I have some problem with export .dgn to shp from Autocad. Qgis appropriates random colors to my polygons after export. Somebody knows how i can export original color of my Autocad dgn?...
3
votes
2answers
383 views

Batch Convert Folder of GPX to SHP in QGis

I have a few GPX files (up to 35 Mb, with a few tracks each one) that I want to convert to SHP. QGis is faster and easiest, than ArcGis to convert GPX tracks to SHP, but is there a way to batch ...
3
votes
2answers
956 views

World map shapefile including disputed areas

I am looking for a global shapefile that allows you do show data for all disputed areas (like Waziristan, Spratlay Islands, Kahsmir, etc.). Do you have any idea where I can find a shapefile with not ...
3
votes
1answer
181 views

Overlay Analysis in QGIS (or Preferably Python)

I would like to perform an overlay analysis in Python or QGIS to output a list of each shapefile that falls within certain boundaries. I have unsuccessfully tried to use the Spatial Join, Intersect, ...
3
votes
3answers
3k views

Workflow to convert a DWG CAD file to a shapefile

I'm trying to develop a workflow where I can convert a .dwg file to .shp. I don't have a good understanding of which tools I should be using. My preference is to use software that runs on OSX, is open-...
3
votes
1answer
323 views

Divide shapefile

I'm new working with QGIS 1.8.0 and wanted to know if its possible to subdivide a map (shapefile, which is round-like) into small squares but following the outer round contour of the map? I tried with ...
3
votes
4answers
3k views

Postgis shapefile loader 2.1 error: dbf file can not be opened

The .shp, .dbf and the rest of files are fine, I open them in QGIS, AGOL with no problem. In fact, I've tried 3 different layers, and get always the same error. Anyone can please help, as I really ...
3
votes
1answer
2k views

How to create a layer of directional/horizontal wells?

I have never needed to create a horizontal/directional shapefile (oil / gas well). What do you need besides the lat/long, basic well info? Direction/Length for the line? My question is - What goes ...
2
votes
1answer
1k views

What is the most efficient way to create a shapefile from resultset using geotools

I am facing a problem to write to shapefile (geotools) with respect to time, memory etc. My workflow is something like reading spacial data from database Oracle with attributes and coordinates (can ...
2
votes
0answers
569 views

How to overlay geographic data from multiple sources?

Being a newbie to GIS, I am trying to create a map using shapefiles and addresses found online, as an exercise. The steps are below: I downloaded a shapefile of Connecticut from the following link (...
2
votes
2answers
1k views

How many interior and exterior rings can a polygon have in a standard ArcGIS shapefile?

working with GDAL/OGR library and studying these two slides about geometries and vector data in the OGR library: slide 1 slide 2 I found that a polygon can have an exterior ring and lots of ...
2
votes
3answers
4k views

How to convert projection

I got sample shape files with the following *prj file content: *PROJCS["RGF93_Lambert_93",GEOGCS["GCS_RGF_1993",DATUM["D_RGF_1993",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",...
2
votes
2answers
218 views

Why OSM data has different attribute values from the same element and same time frame?

Here is my question: Does anyone know why OSM has different attribute values from the same element and same frame time? The example explains itself, when I try the Shapefile from different mirrors ...
2
votes
2answers
235 views

Wrong projection high quality shapefile for the coastline of Helsinki region (Finland)

I did some spatial interpolations in R and I need a support for those. Looking for shapefiles online the best I could find was and it looks really horrible, the same area in ggplot looks like . I ...
2
votes
2answers
2k views

How to incorporate drop-down list within cells of shapefile attribute table using ArcGIS Desktop?

A question has been brought to my attention. When working with a shapefile within either 10 or 10.1. Is it possible to create a python script or some sort of programming language to accomplish this ...
2
votes
1answer
327 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 ...
2
votes
2answers
1k views

How to load geographic data into Hadoop (Hive) and then to be able to call spatial functions on them?

I need to load some geographic data into Hadoop (Hive), and then, to be able to call some spatial functions on them using Hive. My input data format is ESRI shapefiles (but could be another format, I ...