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
618 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 ...
5
votes
2answers
257 views

Postal codes in shapefile overlapping

I downloaded some shapefiles from the Australian Bureau of Statistics (ABS). Its basically showing a bunch of suburbs when I view the shapefile through a GIS tool. The GIS tool that I am using at ...
1
vote
1answer
157 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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0answers
23 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 ...
1
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2answers
143 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. ...
1
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2answers
191 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 ...
1
vote
1answer
124 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 ...
3
votes
1answer
99 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 ...
14
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7answers
4k views

Free tool to simplify parcel shapefiles?

Is there any tool available which let's me run millions of parcel shapefiles and simplify them?
0
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1answer
99 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 ...
0
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1answer
276 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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0answers
101 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 ...
1
vote
1answer
132 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 ...
1
vote
0answers
617 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 ...
1
vote
1answer
286 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 ...
2
votes
1answer
74 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 ...
3
votes
1answer
133 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 ...
11
votes
3answers
1k views

Which data format typically displays fastest in ArcMap?

My organization is working on an application running on ArcGIS Engine. Previous versions of the application used primarily Shapefiles for displaying roads, parcels, buildings, etc. Since I was ...
0
votes
1answer
122 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, ...
4
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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 ...
28
votes
3answers
12k views

Simple thematic mapping of shapefile using Python?

I wish to visualize geographical data in Python, without using ArcGIS/ArcPy, and make a map. On the internet I found how to make a thematic map using Python: Here is some code that I tried: ...
0
votes
1answer
577 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 ...
6
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4answers
2k views

Postal areas for Germany? - Shape?

does anyone of you know how and where I can download postal area districts of Germany in shape files (download free of charge if possible). best regards desputin
0
votes
0answers
36 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 ...
0
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0answers
36 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 ...
0
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0answers
196 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 ...
0
votes
2answers
670 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 ...
1
vote
2answers
206 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 ...
5
votes
1answer
2k views

How to merge shape files with attributes from a python script in QGIS?

I have some shape files. They are all the same kind of shape and all have the same attributes. If I wanted to merge them manually the "Vector/Data management tools/merge shape files to one" works ...
1
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1answer
517 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 ...
0
votes
0answers
12 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 ...
1
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2answers
2k 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 ...
0
votes
3answers
3k 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 ...
4
votes
1answer
9k views

How to import shp2pgsql?

I want to import shape file into PostGIS. There is 1 database postgres in it but no table added yet. I am using this command: shp2pgsql -I -s 4326 districts.shp districts | psql -d postgres -U ...
2
votes
2answers
596 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 = ...
0
votes
2answers
304 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 ...
0
votes
0answers
78 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 ...
-1
votes
1answer
309 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 ...
1
vote
1answer
157 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 ...
0
votes
1answer
116 views

Add attributes to an output shapefile schema (via meta)

I am trying to copy the schema of an existing shapefile and add to it in an output shapefile. Somehow I am not getting anywhere with this...though the docs seem very clear (and the download page : ...
0
votes
0answers
163 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 ...
0
votes
1answer
100 views

Change Attirbute Name (Fiona)

I have a shapefile that has 2 attributes named "X" and "Y". I want to change this to "Lon" and "Lat". My (limited) experience tells me that I should read in the original shapefile, preserve the ...
1
vote
1answer
117 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), ...
-1
votes
1answer
84 views

shapefile damaged after editing in ArcMap 10.0 [closed]

I drew a layer on Autocad and exported it to a shapefile. I edited this layer on Arcmap. After editing the layer it is corrupted. I use Shapechk to fix it however I will need to edit plenty of layers ...
2
votes
2answers
200 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 ...
0
votes
0answers
23 views

Overlay Shapefile and Raster layer in R [duplicate]

I have a raster layer with climate data from the north of Mexico, part of Canada and the US mainland. I am trying to restrict the climate data to only the zone of the US mainland. To do this I thought ...
1
vote
2answers
173 views

Convert a mask image to polygon shape file using GRASS

I used image classification technique in GRASS GIS v7 and generated the image mask below in which white area has NULL value and red area contains 1. I am going to clip those red color areas in a ...
3
votes
3answers
1k views

How to transfer data from spreadsheet into shapefile?

I am looking at Deprivation in the UK and there is some good data in the form of spreadsheets on this website http://www.communities.gov.uk/publications/corporate/statistics/indices2010 I would like ...
4
votes
1answer
1k views

How to find the distance to the nearest coastline from a land-based latitude/longitude point?

I'm completely new to GIS and unsure what I need to solve this problem: In the image above turquoise is actually land. Sea is white. I tried using the NASA Distance to the Nearest Coast data dump ...
0
votes
2answers
63 views

Is there any way to use open source tools to make sure that lines on a map dont overlap?

I am a generalist developer getting the hang of basic gis. I made this geojson map by clipping and converting different shapefiles. The problem is that the precincts of New Orleans extend into the ...