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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11
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247 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 ...
5
votes
0answers
692 views

How to create a routable road network from Ordnance Survey data?

I've been following the "Beginners Guide to pgRouting" in an attempt to create an in-house application that provides drive-time isochrones. I have a server, postgreSQL and PostGIS and pgRouting - no ...
4
votes
0answers
330 views

Trying to fill polygon fills the entire map

I have been given some shp files to be displayed using Mapserver. Until now I was able to find the correct projections, display the map, and show labels. However, I have problems with polygon colors. ...
3
votes
0answers
79 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 ...
3
votes
0answers
81 views

Filtered SimpleFeatureCollection really slow on Map and other operations

I'm working with a shapefile having about 85.000 features. I need to select some of these using a filter and then showing these on a map. Now... If I draw the entire shapefile's features the creation ...
3
votes
0answers
108 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 ...
3
votes
0answers
125 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 ...
3
votes
0answers
218 views

Creating a ShapeFile spatial index programmatically in .Net

I am creating a shapefile programmatically using DotSpatial using the following example syntax / pseudo code FeatureSet features = new FeatureSet(DotSpatial.Topology.FeatureType.Polygon); ...
3
votes
0answers
356 views

Open shape file in ArcGIS Runtime WPF SDK as Graphics/Feature layer

I googled and followed this tutorial http://www.arcgis.com/home/item.html?id=953a530ada30477d95cc69e788268bc9 and figured out how to import Shape files and Rasters into Runtime. However, it seems ...
3
votes
0answers
547 views

How to Export a Shapefile as KML Using R

All, I have exported an ESRI shapefile (polygon) to KML using R, but the resulting layer shows only the outer extent of the polygon. How can I fill in the area with a color? Any help is greatly ...
3
votes
0answers
413 views

How to export multiple Shapefiles to one KML file in QGIS?

As the title says, is it possible to export multiple Shapefiles to one single KML in Quantum GIS (Similar to "Map to KML" in ArcMAP)?
2
votes
0answers
64 views

Ecoregions shapefiles: subsetting, extracting and summarizing data from raster

I am attempting to subset and project an ecoregions shapefile from : EPA ECOREGIONS my data set is found here: SHAPEFILES and RASTER When I run this code, two major problems occur: 1) I cannot get the ...
2
votes
0answers
66 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. ...
2
votes
0answers
67 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 ...
2
votes
0answers
51 views

PostGIS does not export shortest path to Shapefile

I am trying to draw a bunch of lines overlaying the globe map in a WGS84 projection. To this effect I have created a PostGIS DB with a table that has one column containing linestring data. My problem ...
2
votes
0answers
50 views

Global height data as polygons — Natural Earth doesn't have it?

I love the bathymetry data from Natural Earth. I've been looking for the last few days for the same basic data but for land. I'm trying to find general elevation shapefiles, as polygons. I don't need ...
2
votes
0answers
60 views

Identify different networks inside a line shapefile

I'm dealing with a quite big line shapefile containing road tracks. The roads are connected to each other, creating distinct networks. These networks are independent and they are not connected to each ...
2
votes
0answers
92 views

How to add multiple shapefiles with VB.Net

I have created a toolbar add in for arc with a button that opens a form with 3 selections that are shapefiles, once the shapefile is selected I click the Add Layer button. Currently I can only get one ...
2
votes
0answers
153 views

Shapefile From Excel Sheet Crash When Selected Spatialy or By Attributes

Using ArcGIS 10.2, I am receiving an Excel sheet, on a daily basis, which contains 105 columns(Fields) and includes has X and Y values. For whatever reason (which I cannot understand) all data types ...
2
votes
0answers
42 views

ArcGIS - Table columns lose formatting when I make a new copy of shapefile (Decimals, Thousands separator, Highlighting)

When I make a copy of a shapefile or I join two shapefiles and then create a subsequent shapefile, my number type columns (in the attribute table) will default back to numbers with many decimals and ...
2
votes
0answers
77 views

Is there a way to build topology and work with topology relations in PyQGIS?

Is there a way to build topology and work with topology relations in PyQGIS? I'm asking because I need to run some custom generalization algorithms on my data, and I need to preserve topology. ...
2
votes
0answers
86 views

AIS Data Transformed or CVS Format

I am looking for AIS Shipping Route Data. I have not had much luck finding it in either SHP format or even in CVS format does anyone have a real good source of finding this type of data? To add to my ...
2
votes
0answers
120 views

Hitting Memory Limits of PostGIS ST_ConcaveHull / Incomplete Shrink Wrap

I am trying to use PostGIS 2.0 on Postgres 8.4 to do some mapping. I am working with the NOAA Shapefiles, specifically their US States & Territories file located here: ...
2
votes
0answers
274 views

Geoserver - empty native SRS field

I'm converting layers from shape files to postgis with the below command: shp2pgsql -s 22175 -c -W "latin1" path/file.dbf' table_name db_name | psql -d db_name Next, I add this layer to the ...
2
votes
0answers
72 views

Applying depth to Shapefile

Apologies if this question has been answered before. I'm digitizing a historic coastline and would like to add a single depth figure to it in order to merge it with a current contour model. Is there ...
2
votes
0answers
672 views

How to join data from a CSV to a shapefile using QGIS

I'm new to GIS and new to StackedExchange. I need help joining a CSV of Accessibility data to a LSOA shapefile in QGIS. The process explained here does not work for me and I don't know why. The ...
2
votes
0answers
207 views

How to convert shapefile to mapinfo file preserving special characters?

I have to convert a bunch of shapefiles to mapinfo files on a machine without a MapInfo license, so I am using ogr2ogr to perform this task. The problem is that when opening the mapinfo files in ...
2
votes
0answers
129 views

How to cut lines in a shapefile following a GPX-source?

I have a OSM-Shapefile containing all roads of a given area. I need an overlay cut out of this source-Shapefile that contains only some routes that I want to highlight on my map. I have some ...
2
votes
0answers
200 views

KML files to IPad securely? Altitude and shape problems in Google Earth

Does anyone know any options for maintaining privacy of the files and getting them onto iPad using Google Earth? Using Google account to link to Google Earth, privacy settings in Google my maps are ...
2
votes
0answers
294 views

create geotiff from shapefiles

I need to colorized geometries from shapefiles and convert them to raster image (geotiff). I tried to use geotools's VectorToRasterProcess and ImageWorker ("d:\gis\tmp\32 27 25 w4.shp" is path to my ...
2
votes
0answers
634 views

How to draw an overlay using KML on our own app in Android?

Repost from here Hi there, I want to draw an overlay using .kml files, just look like this. But on my own app in MapActivity. 31.kml, display district in Jakarta, Indonesia or the example that I get ...
2
votes
0answers
126 views

Geotools throws “Cannot encode multilinestring (yet)” while Shape import on Linux

I've encountered a strange platform-dependent SHP import problem. Everything works fine on Windows, shape files are converted fine to database. There is although small little warning: [[ACTIVE] ...
2
votes
0answers
79 views

Determine which points fall within a 3D polygon and export this subset to a flat file

I am working in ArcMap 10 and will have a 3D representation of a zone of transmission. I would like to determine which GPS points fall within this polygon and then export this subset out to a flat ...
2
votes
0answers
442 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
0answers
117 views

How to fix Graphserver warning “osmdb has no edges!”?

I'm really new to GIS. I have some shapefiles data that I'm trying to import in graphserver. I'm doing: gs_osmdb_compile output3.osm output3.osmdb And the result is: WARNING: osmdb has no edges!. ...
2
votes
0answers
970 views

Adding shapefile causes ArcMap Drawing Errors (General function failure)

I am creating a map that is a hodgepodge of databases, stand alone shapefiles, and a couple image services. Everything seems to go as expected until I add a certain shapefile to the mix. Then all of ...
1
vote
0answers
15 views

Debugging ogr2ogr “AddGeometryColumn failed” and “Terminating translation prematurely after failed translation of layer”

As noted in the title, I'm getting the following error: ERROR 1: AddGeometryColumn failed for layer pretty_polys, layer creation has failed. ERROR 1: Terminating translation prematurely after failed ...
1
vote
0answers
39 views

Switching from ArcDesktop to ArcGIS Online

I have many GIS files that I was using to create some maps for my work. Our desktop version of ArcGIS expired and we decided to move to the basic online version. I am unable to upload any of my ...
1
vote
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 ...
1
vote
0answers
65 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 ...
1
vote
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 ...
1
vote
0answers
57 views

How to create a circle vector layer with 12 sectors with Python and to save average value of underlying raster in each sector?

Hi I am writing a code with Python 2.7 using Arcpy 10.1 and I guess I am doing stuck with a silly problem that lies under my eyes. I have created a grid of points (with "Create fishnet" function) over ...
1
vote
0answers
48 views

Converting QGIS Labels to a Polygon Shapefile

I am trying to create an annotation feature from labels and then export this out as a polygon shapefile (the resulting shapefile can then be loaded into ArcGIS online to basically have labels without ...
1
vote
0answers
38 views

Seeking a gvSIG plugin to go from shp to kml to cityGML

I'm looking for a gvSIG plugin to convert .shp to .kml and then to .cityGML. I'm working with gvSIG + 3D extension and I have .shp format data but I need it in .cityGML format.
1
vote
0answers
74 views

GeoServer - OSM .shp file and aerial shifted

I have a problem with two layers that I have imported into geoserver. One is retrieved via WMS from a Geoserver (aerial tiles) I don't have access to (I'm just allowed to use it via WMS) the other one ...
1
vote
0answers
69 views

Dubai - Sector/Community GIS SHP Data?

Where can I download free or open access GIS/SHP file datasets for Dubai, including their respective spatial boundaries? If these might not be available, where can I find a map outlining the Sectors ...
1
vote
0answers
65 views

Where are dynamic hyperlinks stored?

A while back (ArcGIS 10.0 times, or maybe even 9.3) a colleague of mine created a mxd with a few hundred manholes and attached dynamic hyperlinks to them (pointing to photos of them). (I know this ...
1
vote
0answers
20 views

MSHP file from SAGA tough to delete

After running a SAGA line dissolve process in QGIS, an MSHP file is created (amongst other things). Fine by me, though I'm not sure what it's used for (metadata in XML format?). Problem is that it ...
1
vote
0answers
93 views

How to create static image file with geometries from shapefile using ArcGIS Online?

I'm trying to create static map images, including overlaid geometry features imported from a shapefile, server-side (in PHP if that matters), in order to use them in generated PDFs. We're using ArcGIS ...
1
vote
0answers
45 views

How to post an existing shapefile datastore using cURL?

I read geoserver doc, and already Uploaded a shapefile to geoserver using cURL. But I can't change layer name by REST. So I think that there is another way to post a layer. If I can post an existing ...