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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2answers
36 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 ...
-1
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1answer
51 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
53 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
25 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 : ...
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0answers
36 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
47 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
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1answer
24 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
46 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 ...
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1answer
27 views

How to fill Field2 to its corresponding values in Field1 of a shapefile using Filed calculator ARCGIS 10.2

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 ...
2
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2answers
70 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 ...
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0answers
20 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 ...
8
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7answers
7k views

How to display ESRI shapefile in Android

It's the first time I work with Android and ESRI shapefile. I tried to find but could not find any tutorials to display ESRI shapefile in Android. Somebody can help me about this??? Thank you so so ...
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2answers
67 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 ...
0
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0answers
40 views

PGSQL2SHP Commnad switch column type

I work with Postgis. I have table CREATE TABLE centerline ( gid serial NOT NULL, l_from integer, l_to integer, r_add_pre character varying(15), r_to integer ... } Export this table with ...
3
votes
3answers
841 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 ...
3
votes
1answer
141 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
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2answers
48 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 ...
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0answers
32 views

QGISCloud in mobile QGIS

I’m new with QGIS mobile, I can’t open shapefile on QGISCloud using samsung note 8. Does anyone know how to do that? I haven’t found qgis plugin for mobile yet. Thank you
2
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2answers
83 views

convert a shapefile into graph with nodes and edges

Is there a way to convert a shapefile into graph with nodes and edges(except networkx). I'm using qgis and I want to convert a road vector layer into a graph, so that I can use it to apply shortest ...
2
votes
1answer
174 views

Why does the file size increase after I clipped the polygons to be smaller?

I have a polygon layer that shows properties along a road. I want to create a kml-file of the polygons, and to downsize the file, I tried clipping the properties with a buffer. But, the filesize of ...
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2answers
1k views

How to convert CAD Annotation to Shapefile with attributes?

How to add AutoCAD Mtext to GIS attribute table using FME? What transformer I should use? The reader file in CAD and I want to transform it to GIS Shapefile. In this case I want to expose the ...
1
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3answers
766 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 ...
0
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0answers
116 views

Problem in Exporting Vector shapefile to ROI(Region Of Interest) in ENVI-4.7

I working in ENVI image processing software. I want to export shape file to ROI in order to create subset of the image .For This first I loaded shapefile converted that into .evf format .While ...
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0answers
14 views

Plotting two shapefiles using R? [duplicate]

I'm not familiar with using R for GIS. I was wondering if you can help me figure out how to plot different shapefiles at the same time. I'm using the "map" function to generate a map in order to get ...
1
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2answers
49 views

Issue with vertex level editing in ArcScene

I have a 3D data set of some buildings in ESRI Shapefile MultiPatch format. The buildings appear in 3D in ArcScene (10.2.1 on Windows 8.1 64bit) and I am able to move, rotate and scale buildings. ...
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2answers
42 views

shapefile terminology for key-value pair

In an .osm file, there are <TAG ... /> elements like <way visible="true" id="-4409" timestamp="1970-01-01T00:00:00Z" version="1"> <nd ref="-21845"/> <tag k="fcc" ...
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1answer
34 views

How can i store shape file in postgress database as a table using php?

I want to create a table from a shape file in Postgres. To do that, I can run this command in cmd: shp2pgsql -s 4326 -W LATIN1 E:\Any\THA_adm public.test123 | psql -h localhost -d DATA -U postgres -w ...
10
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1answer
5k views

Merging adjacent polygons in shapefile that has been split at tile boundaries?

I'm currently using building data from the Ordnance Survey Vectormap District and I've noticed that a lot of building polygons are split in 2 because of the way the OS split up the shapefile. This is ...
0
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1answer
47 views

Creating TopoJson from shapefile with the Shape Escape (shpescape)

Does shpescape really work for creating TopoJson from shapefiles? I always get errors if uploading there zipped shapefiles. The usual error message is: OSError at ...
6
votes
8answers
4k views

Splitting shapefile into separate shapefiles for each feature?

I have a polyline shapefile with about 20 kinds of roads. I would like to know how can I create automatically a vector file for each one. I can use ArcGIS for Desktop, QGIS (or GDAL separately).
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0answers
69 views

How to import SRTM data for the whole planet into TileMill

I need to get SRTM elevation data for the whole planet into TileMill. I already walked through the instructions on Steve Bennett's blog and it worked fine for small areas. The problem is now that for ...
0
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1answer
63 views

Opening shapefiles with geotools

Trying to make a simple class that will read shapefiles and eventually be able to pull out the coordinates/attributes for each feature (working with points here). But can't quite figure out geotools. ...
2
votes
1answer
690 views

Error: cannot acquire a lock when editing in ArcMap 10.1

We have a problem with a shapefile feature class. Periodically it will not save edits with an error message as the following: Cannot save edits; cannot acquire a lock Working in 10.1 with a ...
1
vote
1answer
61 views

How to close spaces within a polygon in QGIS 2.2?

I have a shapefile displaying the borders of several city units. One of its polygons, however, had free space consisting of four vertices in it. I created another polygon inside the free space and ...
1
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1answer
79 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 ...
2
votes
2answers
3k views

Detailed Bathymetric/Bathymetry contour data (0-200M)

I am looking for free Bathymetric contour data in shapefile format for depths between 0-200 meters for North America. I prefer contours at 10 meter increments, but will take whatever I can get. I ...
6
votes
2answers
340 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 ...
0
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1answer
42 views

Blank Shapefile output?

When executing the following command string in the active browser, Qgis projects the triangle polygon and associated attribute table correctly. Upon reopening the shapefile in a new browser, the ...
1
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1answer
124 views

MATLAB mapping toolbox: write multiple feature mapstruct

I have a few hundred road segments, described as lines, which I am trying to write to a single shape file using MATLAB's mapping toolbox. However I can only manage to get one feature per shapefile, ...
6
votes
1answer
1k views

Generating tiles for osm/esri shapefiles

I've generated tiles for OpenStreetMap .OSM files using Maperitive and quickly consumed them with leaflet (with no tile cache yet). I'm now looking for the right and simple way to do that also with ...
2
votes
1answer
37 views

When I publish a layer(shapefile or postgis) with TileMill, 200 meters moves

I hope someone can help me. Not if you know the TileMill application I'm working with her to publish layers look more beautiful. Well, first I have posted directly loading the shp file., But when ...
2
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0answers
65 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 ...
0
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1answer
75 views

generate massive shapefiles

I have a shapefile with 1475 records, and I want to generate a shapefile for each record. What can I do to generate them avoiding selecting and exporting each record to do that?
1
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1answer
74 views

Rotating the coordinates of a layer by 90 degrees

I have got a dwg file with the plans for a building, with rooms and everything. (There's been some samples taken inside the building which I want to display.) Now, since it's of a building, the person ...
0
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1answer
45 views

How to simplify shapefiles without losing attributes?

I want to simplify a huge shapefiles using mapshaper. However whenever I simplify the shapefile I loose a lot of data attributes. how can we simplify the shape files while retaining at least some of ...
0
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1answer
63 views

SQL Make Table (from .mdb) to Point Shapefile

For my school assignment, I must compose an SQL statement which retrieves data from a database in .mdb format. I have no problem developing the SQL statement. It is a requirement that we have an ...
0
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1answer
24 views

how to keep the ids of waypoints of a shape file when i convert it to a gpx IN QGIS?

I tried to convert a shape file to a gpx in QGIS, and I do not know how to keep the ids (attributes! Any solution? Thanks a lot!!
0
votes
1answer
101 views

Using Fiona to write a new shapefile from scratch

I am new to Fiona, and trying to wrap my head around reading a csv file and writing out an ESRI shapefile. I have most of it down, but am missing two things; (1) defining the projection/spatial ...
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1answer
58 views

How to convert geospatial data with a custom SRS into ESRI Shapefiles?

I want to convert geospatial data stored in a .csv file into GeoJSON or ESRI Shapefiles. The problem is that the coordinate reference system is not in the database of EPSG codes. The originator ...
0
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0answers
46 views

Is it possible to use custom (non-circle) buffer shapes?

I have a shapefile containing points. I'd like to replace each point by the same shape, centered around the point, like the "Buffer" tool with shapes other than circles. How can I do that?