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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Where can i find Shapefiles of city along with the world file (.jgw) and the jpg image?

Are there any links where i can download a shapefile of a certain city along with aerial view jpeg image and the corresponding world file (.jgw) ? I need it to test an algorithm. Thanks,
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41 views

How can you calculate the union/merge two polygons in ogr2ogr?

I want to calculate the union/merge two overlapping polygons using ogr2ogr (as I have 300+ to do). I want the output to be the same as you would get if you used the 'Merge shapefiles to one' command ...
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2answers
100 views

Load .shp file in Hive(Hadoop)

I need to load .shp files in Hive more precisely in HortonWorks sandbox through Beeswax, can anyone provide example of Hive commands or steps for Beeswax ?
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27 views

Is there a way to retrieve/query country data from a shapefile programmatically using map coordinates in GeoTools?

I am using Geotools to parse and draw a shapefile. Now; when I draw that map I receive coordinates with this bit of code for my Flight Line button. void selectFeatures(MapMouseEvent ev) { ...
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63 views

Radius based search with Leaflet maps

Using leaflet I have created a simple map, played around with markers (adding/removing) and have added some GeoJSON data polygons etc. I now need help with implementing a radius search. For example I ...
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17 views

shp2pgql: how to omit the git column?

I am importing a series of shapefiles with shp2pqsql that already have a unique identifier attribute. Since shp2pqsql creates a new column called gid I am ending up with two unique identifiers per ...
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1answer
71 views

Repairing link between shapefile and layer file?

every time I open the same lyr file I have to do data/repair data source (link to the shp file). I tried to save/export that shp file again, and create the new layer file as well, but every time the ...
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1answer
116 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 ...
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2answers
48 views

Recreation data for Ontario (Canada)?

I am aware that a similar question has been asked HERE but I am looking for comprehensive sources of recreational data (specifically for the province of Ontario, Canada). Land Information Ontario ...
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1answer
47 views

shape file into DataSet in postGIS using openJUMP, but getting error

I am new to this field and I want to save my shape file into DataSet in postGIS using openJUMP, but I'm getting an error...can anybody tell me solution for this?
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13 views

plot shp files like pnm? (Statistical Data Analysis Explained example) [duplicate]

Weird subject? well I'm confused so in advance: sorry for this wavy question: I'm trying to do what the authors of Statistical Data Analysis Explained (ISBN: 978-0-470-98581-6) have done in figure ...
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1answer
43 views

Simulating historic GPS data on map [duplicate]

I have some really basic newbie questions. I have following data with me: ESRI Shape files (.shp, .shx, .dbf, .prj, .sbn and .sbx) KML/KMZ files GPS coordinates (~400k) of some cars (~50) tracked ...
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1answer
70 views

Are ESRI Shapefiles and KML files two different ways of representing data?

I have a really basic newbie question. I have following data with me: Esri Shapefiles (.shp, .shx, .dbf, .prj, .sbn and .sbx) KML/KMZ files Are Esri Shapefiles and KML files two different ways of ...
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1answer
29 views

Updating Shape File Datastores on Geoserver

I am a web developer working with GIS guys who are concurrently working on a vector layer that updates every week or so, however, on our mapping application there are about 30 layers that would need ...
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2answers
75 views

2 shape files plots together in a GIS, but not in R

I tried plotting these two files and a set of points (dropbox folder) in QGIS and MapInfo. They align pretty good (not perfect though). But in R, only the data from www.naturalearthdata.com can plot ...
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1answer
33 views

Dynamically cutting shapefiles based on an eliptical or polygonal form

I have been trying to cut a shapefile in small parts in order to reduce the processing of the graph created based on that map. I did find the ogr2ogr clipsrc option however, as far as i know, that one ...
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40 views

MapInfo “shape” file vs. naturalearthdata.com shape file

When i load this map shape file (exported from MapInfo as a shape file) shp.WashingtonLand<-readOGR("C:\\...\\Maps","WLmap2_polyline") R replies: OGR data source with driver: ESRI Shapefile ...
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28 views

How do I break up a shape file into contiguous area?

I've got a shapefile which is a union of non-contiguous shapes. I'd like to be able to break them up into individual groups. For example, suppose I have a polygon of the entire US, currently only ...
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1answer
66 views

Why do I get an error when I try and clip a shapefile to a shapefile using ogr2ogr?

I want to clip a shapefile to a shapefile. The input shapefile is a 1 m vector grid generated in QGIS. The tile I'm clipping to is just a simple polygon (the geometry is contained within the 1 m ...
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2answers
77 views

csv to shp python and formating a row

I´m doing a script to convert csv to shp, but I want to format one of the columns. It´s a string then I´d like to format like this a[8:10]+' / '+a[11:16]+' UTC' being a the value in the column. ...
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1answer
70 views

How to transpose reclassified field values from one polygon shapefile to identical polygons of another shapefile?

I used vector output from modeling software as clip features for ecoregion input. I reclassified and dissolved the clipped layers into 3 subunits, and now would like to transpose those simplified ...
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1answer
28 views

How to limit GEOjson data to specific area?

I am currently working with a shapefile from the United States Drought Monitor that countains all drought data from all of the states in the US. I am converting it to geojson with ogr2ogr and would ...
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1answer
36 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 ...
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1answer
34 views

Joining Textfile to Shapefile Arc 10 and 10.2 Differences

I am trying to join a textfile generated in stata that includes caoname, caoid, and fips. The fips code should match to a shapefile county map that matches to the cntyidfp category. In ArcGIS 10.0, ...
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18 views

Shape file generation [duplicate]

Is it possible to generate a shape file with lines and polygons using only the image for which it has to be generated ? I need the lines,polygons feautres of the shape file in an algorithm which i am ...
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1answer
77 views

Creating records in output shapefile using Python

I have a list (output from a previous loop) containing attributes from an input shapefile. What I am stuck with is inputting those attributes to a new shapefile. I have plotted the point data using ...
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0answers
34 views

Openstreet map loosing information

I succesfully created a shapefile from openstreetmap with the OpenStreetMap tool in QGIS 2.2. When I try to create a polyline layer, it says that there are 8000 values in the db file for the property ...
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87 views

Where can I find block (sub-district) level boundaries for India?

I'm looking for block (sub-district) level shapefiles for India. The GADM database only has files for the 2300 Tehsils, whereas I'm looking for the about 5500 Census blocks (sub-districts) for any ...
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0answers
33 views

Copy queried attributes of a shapefile to a new shapefile [duplicate]

I have a polyline-shapefile, which I have successfully read into python using pyshp module. My problem is to save the 2nd node of every line feature into a separate, single point file. I have ...
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0answers
58 views

Extracting rooftops using MATLAB

I am using Matlab to extract rooftops of buildings and I want an orthoimage i.e. a .jpg file, a world file .jgw and a shape file .shp as input. A mask is needed to "hide" the pixels of the image ...
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2answers
65 views

Convert shapefiles from WGS84 to Miller Projection

I have some shapefiles of the world from Natural Earth at WGS84. I would like to convert them to the Miller Projection. I have ogr2ogr, but I'm not sure what the parameters for this conversion ...
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1answer
51 views

Merge or Intersect Shapefiles based on a Field Attribute

I have three shapefiles of building footprints for a city. Each shapefile has a field called "Status" with attributes 1, 2, or 3. For example: Shapefile A, Polygon 1 = 1 Shapefile B, Polygon 1 = 2 ...
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2answers
74 views

How to split a shapefile feature?

The world map that I am using from NaturalEarth.com has France and French Guyana as one feature. I want to split these into two separate shapes. I'm sure there is a quick fix for this, and the others ...
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0answers
11 views

SHP to DWF with centerline and annotation (labels) [duplicate]

I am looking for a way to dump a street network (shp) into CAD but also include a text layer for street names (labels). Is this possible? I feel like there is likely an easy solution but I can't seem ...
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1answer
49 views

Geometry to Shapefile

From importing the shapefile to postgis, its geometry is added to the database postgresql. The question, how can I load the shapefile in the Visual Basic.Net using the geometry in the database ?
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23 views

How do I convert a VMAP to a shapefile using GDAL?

This is my first time trying to convert a VMAP to a shapefile and the examples online aren't as straightforward to me. Any guidance is appreciated.
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2answers
176 views

Shapefile to GeoJson conversion using C#

I have some shapefile which I want to convert to GeoJSON and store in MongoDB for querying. Is it possible to take a shapefile and convert it to GeoJSON format in C#? I have been able to convert ...
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2answers
36 views

finding the index of a field with its name using arcpy

I wan to extract the index of a field with its name using arcpy. it seems what I have written is so dumb. is there any simpler method with out using for-loop. import arcpy fieldList = ...
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2answers
69 views

creating many shapefiles from one multi-polygonal shapefile

Does anyone know of a way to create a standalone shapefile from every entry (row) in the attribute table of a large set of polygons (4909 in total)? preferably using python in a way that the results ...
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3answers
141 views

Calculating distance between points using ArcGIS Desktop?

I want to write Python syntax to calculate the distance from point to other points in the water network and so on for others, I have 21 points. I need distances have to follow the network That ...
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2answers
64 views

Where to find Metropolitan Statistical Area (MSA) KML data?

Hello GIS stackexchange, GIS is not my field, so I apologize if my question is very basic. I need this data for a odd job at work. I have been unsuccessful in finding the data from Google ...
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0answers
28 views

Converting/clipping KML to shapefile in QGIS without truncating field information (data)?

While I am clipping KML file by using polygon shapefile in QGIS, filed information (data) are truncating .Anybody can suggest a solution for this one.The same data losing issue occurring, at the time ...
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2answers
41 views

Exporting to 2D (Arcview 3.0 compatible) shapefile in QGIS?

I need to run my shapefiles through a web mapping application which is incompatible with 3D shapefiles. At present I run them through the FME Universal Translator in Mapinfo, which enables you to ...
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1answer
57 views

Convert Road layer shapefile into a graph

I'm going to use Astar algorithm to find a path between two selected points.And I used the following code for that.Is there any way I could convert my Road Layer shapefile into a graph, which can be ...
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0answers
44 views

Generating XML to create a file geodatabase table from an existing shapefile DBF

I am writing a C# .NET application to convert a folder of shapefiles into a file geodatabase. Basic Info Windows 7 64 bit VS 2010 - Application is being run as 64 bit. Version 1.3 of the File ...
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1answer
62 views

How to filter data by category, then map only maximum-value row for each?

I'm building a consolidated map of all transit systems in my area in QGIS. I have a GTFS dataset of bus lines, and it includes shapes for every trip on every route in the system (as it should), but ...
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1answer
29 views

shp2pgsql data appent without gid

I have a shape file, I opened it in QGIS that has columns in attribute table named CITY_NAME, POPULATION and I have a database table in Posqgresql that has columns named gid (primary key), ...
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1answer
99 views

Convert shape file to kml without losing symbols

I am using QGIS 2.2 and want to convert a shape file containing point coordinates with userdefined svg-symbols to a kml file. Everything seems to work. The orginal file is in WGS 84 / UTM zone 32N ...
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1answer
32 views

Filling Field2 to icorresponding values in Field1 of shapefile using Field Calculator of ArcGIS for Desktop?

I have to give explanation in a new field of the existing field which contains abbreviation. Example: Field "Geology" has values Q, Qs,N....(abbreviation), I have to give explanation of those in a ...
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1answer
31 views

Is it possible to create shapefiles in ArcGIS and convert into SpatialNET?

I'm looking at the prospect of working for a client who has implemented a SpatialNET solution. I have never used SpatialNET and primarily have experience with ESRI and Autodesk products. The client ...