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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1answer
39 views

Identifying projection for shapefile with unknown coordinate system, no z values and no measures? [duplicate]

I am attempting to create a GIS Project with multiple Brazilian cities. I have been collecting, and am interested in, shapefiles that delineate the neighborhood boundaries of said cities. One city's ...
1
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0answers
14 views

European Rail Freight Map (shape or another ArcGIS format) [duplicate]

I need European Rail Freight Map (shape or another ArcGIS format) for a GIS project. Is anyone having this data? Thank you.
2
votes
1answer
26 views

GeoJSON and HTML/JavaScript vs Shapefile and Silverlight

I'm developing a map application (Several shapefiles with OpenstreetMap or BingMap on background and some dynamically generated features on the map). I'vs created some part of it with Telerik RadMap ...
0
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0answers
39 views

Convert series of WKT to Shapefile

I have seen am ability in SQL Server 2008 Spatial Tools here that saves result of query as shapefile..I am intrested in how to do this task using C#..Is there any way to do this?I found ways to ...
2
votes
1answer
93 views

Creating .shp from .dbf in ArcMap?

How do I create a shapefile using the latitude and longitude information in my dBASE table? I am using ArcMap 10.1
3
votes
1answer
20 views

Lambert_Conformal_Conic: converting from shapefile to geojson fails

I have a shapefile that also contains a proj file that looks like so: PROJCS [ "MGI_Austria_Lambert", GEOGCS [ "GCS_MGI", DATUM [ "D_MGI", ...
0
votes
2answers
69 views

Import shapefiles on my postgis table using R

Using R, I would like to import shapefiles that are in a directory on a geometric table i have on postgresql / postgis. What is the instruction that allows me to do it? EDIT: here is my code to ...
1
vote
1answer
21 views

Merge polygon based on other line shape file PostGIS

I have a polygon shape file and a line shape file. I would like to merge two polygons which shares the same border along with line shape. Finally the line should be removed in polygon shape file. In ...
1
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2answers
40 views

Row-crop field boundaries

I'm on the hunt for field boundary coordinates in the US in the form of GeoJSON, a Shapefile or any structured format that I can use to overlay on a map. I've tried looking at the US Department of ...
3
votes
1answer
55 views

How do I save a polygon once I have created it in editor?

I am attempting to create a new polygon. I go to ArcCatolog>New>Shapefile and make sure Feature type is set to polygon. I create the polygon and if I click save edits or stop editing, it disappears. ...
1
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2answers
31 views

Adding polygons from an existing layer to a new layer (shapefile)?

I have an existing shapefile that contains parcel data. I would like to add some of the existing parcels to a new shapefile. I am using ArcMap 10.1.
2
votes
2answers
88 views

Importing .shp to postgreSQL

I want to import a shp file to postgreSQL. First I create sql file and then run PostgreSQL. To create sql file, I run this command in windows cmd: shp2pgsql -s 4326 worldCountries.shp worldcountries ...
4
votes
1answer
40 views

Summarizing different (local) shapefiles/sources into one centralized database using ArcGIS for Desktop?

Using ArcMap/ArcCatalog 10.2, is there a way, to summarize a huge number of widely spread shapefiles/sources (different servers, different hard drives etc.) into one centralized database, in order to ...
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votes
1answer
35 views

Displaying Shapefiles using Python? [closed]

I have some shapefiles, which I want to display in Python. Is there any code for that?
1
vote
1answer
22 views

How to show number of patches in a neighbourhood?

Given one raster file containing only one zone that indicates patches of vegetation in a city and a shape file containing neighbourhoods for the city, explain how you could create a map that shows the ...
1
vote
1answer
41 views

Postgres/PostGIS: Dissolve multiple fields with COUNT (Point shape)

I have loaded point .shp feature classes into Postgres 9.3 db, and enabled postgis,plpgsql,postgis_topology extensions. I'm looking to dissolve multiple fields within a single table 'TABLE1' and add ...
4
votes
2answers
152 views

Merge uniquely named point shapefiles in 50,000 different folders into a single layer

I have point shapefiles in 50,000 different folders (each shapefile file name is unique) - about 33,400 shapefiles (not all folders will have a point shapefile). I like to open the point shapefile in ...
2
votes
2answers
53 views

Group adjacent polygons with similar (but not same) attributes

In ArcMap 10, I have a few dozen tiffs with cells that represent habitat area that has been burned. Each burned cell has a Julian date of the fire associated with it. I want to end up with polygons ...
2
votes
1answer
24 views

Converting .multiple shapefiles into Image Pyramid?

I have multiple shapefiles, and I want to import them as image tiles. How do I convert a shapefile into image format and then convert that single image file into an image pyramid such as that of ...
1
vote
2answers
18 views

Converting Shapefile data to GeoJSON

I have access to some open data for which I want to obtain some coordinates to put onto a map. Unfortunately, the data is in the Shapefile format which is rather difficult to work with. I am trying to ...
1
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0answers
33 views

Neighborhood boundaries and building footprints for Johannesburg?

Are there any sources for free (or commercial) and distributable neighborhood and building footprint datasets for Johannesburg out there? I've already looked on: Google OpenStreetMap joburg.org.za ...
1
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0answers
39 views

Merge shapefiles to one tool not working?

When using the data management tool "Merge shapefiles to one" in QGIS why is it copying one of my shapefiles instead of merging the two together as it should?
2
votes
1answer
39 views

Where can I find a shapefile of the Indian electricity grid?

Does anybody know where I can find a shapefile of the major components of the Indian electricity grid? Ideally, I'd get transmission/other high-voltage lines, substations, generating units, and ...
1
vote
2answers
49 views

How to export all the layers from Table of Content to shp file?

I have got lots of different layers in the Table of Content panel in ArcMap. I want to export them all in shp format in one go. How can I do that? So far I have been doing it one by one by right ...
2
votes
0answers
19 views

Memory layer or QgsVectorFileWriter Error?

Currently this excerpt of code will not save to file (as it is supposed to). The memory layer is visable and editable. Yet even when manually saving the layer, any priorly added features ...
1
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0answers
15 views

splitting polygons by semi-automated classified raster and into multipolygons

I am studying glaciers. Most of them in my case are partly covered by debris (i.g rocks) and partly not. So I ran an automatic classification to recognize these two type of coverages and produced a ...
1
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1answer
36 views

How to use pgsql2shp when PostGIS extensions installed in a separate schema as geometry

I have the PostGIS extension (postgis functions and spatial_ref_sys table) added to a specific schema called postgis. I'm wanting to run the pgsql2shp utility with a select query on geometries stored ...
3
votes
1answer
46 views

SHP File to .NET Conversion

I have been a .NET programmer for 13 years but I have absolutely no GIS experience and I need a starting point. I have to take some shape files and overlay them on a graphic of a static map. With the ...
1
vote
4answers
50 views

PostGIS importing shapefile error w/ official manager

I'm having some trouble when trying to import an shapefile of the Sao Paulo Brazil's state (I downloaded it from the web and I'm using the own PostGis manager to import it). Here's an image! The ...
1
vote
0answers
9 views

Proper updating of new memory layer geometry?

Current workflow for a toolbar button: -create memory layer -save memory layer to shapefile Then the user uses the built-in QGIS tools to add geometry and finally saves changes via the auto prompt ...
1
vote
1answer
26 views

Add multiple fields to attribute table by python, with a prompt window for parameters

I know how to add field to arcmap shapefile using Python: import arcpy arcpy.env.workspace = "H:\pythonexercise\NZL_rds\NZL_roads.shp" arcpy.AddField_management("NZL_roads", "LENGTH", ...
1
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0answers
54 views

Copy parts from several attribute tables in shapefiles?

I have several shapefiles from which I wish to take parts from their attributes tables to make a new attributes table. Is this possible without destroying the original attributes table? I have ...
5
votes
2answers
65 views

Locating shapefile of European railways for goods transportion?

We are trying to make a project about European goods trade so we need railway data in shapefile format. More specifically, we are trying to find the potential of mine products being exported from ...
0
votes
0answers
14 views

Adding attributes to a hexagonal grid generated with MMQGIS

I generated a hexagonal grid with MMQGIS, and I need to add some attributes to each hexagon. Is there a convenient way to do this or I have to work with the dbf file? In that case, what is the meanign ...
2
votes
1answer
45 views

Where to find Vietnam administrative level 4 shape file?

I am new to mapping, and would like to make a custom map using Vietnam's administrative boundaries shape file. I found a great source at gadm.org, but it is licensed for non-commercial use only. I ...
0
votes
1answer
34 views

How to show shapefiles with Bing map in asp.net

I want to display my shapefile data on bing map using ASP.NET. Its an web application. I don't want to use any third party tool for shapefile conversion.
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votes
2answers
33 views

Converting *.kml file to *.lyr file so Google Earth can create spatial data to use in ArcGIS for Desktop? [duplicate]

Want to convert the .kml file into .shp file so that I can create new the point, line and polygons data to work in ArcGIS. Actually I want to use Google Earth to make data for ArcGIS.
1
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0answers
14 views

How do I export only additions when running export-diff to a shapefile in geogit (geogig)?

I currently have two commits in my GeoGit (GeoGig) repository. I'm running the following command on the two commits to get the differences exported to a shapefile. geogit shp export-diff [commit1] ...
1
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0answers
73 views

What's the difference in these two shp files?

I'm trying to plot points on these maps in R, with points from "Coordinates" in the same folder. The WL.shp plots fine with the data, but the NG.shp (which should only be larger and of the same area ...
0
votes
1answer
50 views

Unable to load shapefile as feature class into geodatabase file, with only 3 of the fields

I'm trying to automate importing census boundary shapefiles to feature class in a Geodatabase File, but somehow could not get it to work with this code: ### ======================== load boundary ...
1
vote
0answers
26 views

How can I make PROC GMAP (SAS) run is less time?

I am trying to create a map of Australia, by Local Government Area (LGA), with shaded regions displaying the population for each LGA. The shape file can be downloaded from the Australian Bureau of ...
2
votes
1answer
49 views

Why is this .prj file causing the shapefile to render in meters instead degrees?

So I've got a shapefile that has polygons of countries, with coordinates in decimal degrees: Country (String) = Algeria POLYGON ((6.928073999999953 36.88360652, 6.949973999999969 ...
0
votes
1answer
40 views

Z value (height,altitude) from 3D multipoint shapefile in QGIS

Is there a way to get Z value/height/altitude from 3D multipoint shapefile in QGIS? All I found is way through SpatiaLite or PostGIS as explained here: ...
0
votes
1answer
52 views

Creating a new shapefile based on an existing problematic shapefile

I have a large floodplain shapefile and would like to create a new shapefile based on coverage. I'm having major problems with the original (intersections and other errors) which I've been unable to ...
2
votes
3answers
192 views

How can I work with very large shapefiles (~1 GB) in QGIS?

I'm performing some basic spatial analyses on a large database of traffic injuries in California between 2003 - 2011. Because the dataset is large (nearly 1 GB of points), I'd like to first cut it ...
-1
votes
1answer
46 views

What is the best conversion tools?

I need to obtain a lot of base map in the following formats from a PostgreSQL DB: *.shp *.tab *.js (GEOJSON) I know that ogr2ogr is able to obtain these formats type. Do you know of other tools ...
1
vote
0answers
37 views

from shape files to a database

I've previously converted simple shape files to WKT so that I can store them in RDMS that has spatial capabilities. I'm a new user to QGIS, which I'm using to browse a shape file. But now I have a ...
1
vote
1answer
80 views

Geodjango - trying to get points within a polygon

I'm going through the Geodjango tutorial and trying to implement in my own project - I have loaded data from a shapefile into my model/database and I have a separate model that has a PointField. I am ...
3
votes
1answer
74 views

Join CSV using gdal/ogr

I'm trying to use gdal/ogr to join a shapefile called myshape.shp with a csv called mycsv.csv. The join field in the shape in joinshp and the join field in the csv is joincsv. I've found this command ...
1
vote
1answer
28 views

Importing a Shapefile in SpaceStat with GeoTools [duplicate]

I've just discovered the GeoTools tutorial to generate a Shapefile from a CSV containing a list of cities. I've managed to make it work but when I try to create a new Geography in SpaceStat, importing ...