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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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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0answers
108 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
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1answer
207 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
5k 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 ...
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0answers
15 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 ...
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2answers
278 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
74 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
128 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 ...
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1answer
10k 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 ...
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1answer
176 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 ...
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0answers
256 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 ...
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1answer
145 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 ...
3
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1answer
375 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 ...
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2answers
8k 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 ...
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2answers
519 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 ...
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1answer
180 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 ...
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1answer
1k 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, ...
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1answer
2k 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
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1answer
126 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 ...
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1answer
103 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?
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1answer
784 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 ...
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1answer
165 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 ...
2
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1answer
80 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!!
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1answer
993 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
214 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 ...
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0answers
64 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?
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0answers
642 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 ...
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0answers
148 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 ...
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1answer
28 views

Using QGIS, how can I create attributes within a polygon layer based from a selection in that layer?

I'd like to add a column, or attribute rather, to selected rows within a polygon layer. I would simply like to make a binary system, where those that are selected receive a "1,' let's say, and all ...
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1answer
284 views

Want to get an SHP file for my coutry Algeria

H everyone , i'm running a clustering test on my country with R, but the problem the clustering doen't look good because of the map i have, i hant to get a bigger map of my country 'ALGERIA' in an SHP ...
0
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1answer
65 views

How do add attributes from shapefile to list of lat/long-coordinates using QGIS?

In QGIS I have a csv-file which contains lat/long-coordinates and population data for each coordinate. I also have a shapefile containing certain regional districts, in my case US counties. Now I ...
7
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2answers
846 views

Reordering polygon shapefile permanently?

I've written a script which produces a polygon shapefile of the extents of all the thousands of rasters in our library. I want to organise the FID so that the files with the largest extents are on the ...
10
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1answer
1k views

Conflate (merge) private shapefile data with OSM data

Background Downloaded Alberta OSM data from Geofabrik and have it running on a private Linux server using PostgreSQL 9.1, PostGIS 2.0, Mapnik 2.1.0, osm2pgsql, Apache 2, mod_tile, renderd, and ...
2
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0answers
225 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. ...
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0answers
37 views

Reorder rows of shapefile in the file [duplicate]

How do I reorder the rows of the shapefile in the file? I know how to order them in the attribute table view, but I need to actually switch up the order (by descending id) in the file itself. It's a ...
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2answers
1k views

How to clip a lines vector layer to a polygon layer in QGIS?

I've perused through previous questions and haven't been able to find an appropriate solution to my problem yet, so I wanted to post here. I have a lines layer (a contour map of mean annual ...
0
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3answers
297 views

Performance problems using big points shapefile in TileMill

I've downloaded all the addresses in Italy from OSM and now I've a shapefile with more 514.000 points (16.065 KBbyte when zipped). I need to publish them with other geospatial information (points ...
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4answers
1k views

Which projection should I use to get my WMS service to work?

All of my shapefiles have exactly the same WKT. Using http://prj2epsg.org I have verified that EPSG:3059 has the same parameters as WKT definition of my shapefiles, so I'm using 3059 in my mapfile. ...
2
votes
1answer
116 views

How to count the number of data points in each area in QGIS?

I have a shapefile (.shp file) which defines a large number (several thousand) separate areas. I also have an Excel spreadsheet which contains a large number of data points. Each data point consists ...
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2answers
328 views

Geoserver WFS POST and format_options=PRJFILEFORMAT

I'm using geoserver (2.4.4) to provide users with shapefile downloads. Some of the software the shapefiles are going to be used in requires .prj-files that follows the "ESRI-standard". A bit of ...
2
votes
1answer
1k views

How to open a shapefile using Python in QGIS?

I have tried to open my shape files with the help of a tutorial (http://spatialgalaxy.net/2012/01/27/qgis-running-scripts-in-the-python-console/) but unfortunately I couldn't open my shapefiles for my ...
3
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1answer
237 views

changing attributes or names of shapefiles

I am trying to join a subset of two similar shapefiles, one with states from the US and the second with provinces from Canada. The datasets are available here: shapefiles from Geocommons I noticed ...
3
votes
1answer
301 views

Most efficient way to batch clip in FME?

I have one large shapefile and 100 smaller shapefiles that are smaller areas within the large shapefile. Using the Clipper transformer, I want to clip the large shapefile using each of the smaller ...
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1answer
549 views

Shapefile output customization via WFS in Geoserver?

I'm running Geoserver 2.4 and I've created a layer that I'm using WFS to download as shapefile (or, rather a zipfile with shapefiles). This works fine, and a request like: ...
2
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0answers
153 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
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1answer
117 views

Valid values of mollweide projection in QGis

i just imported a vectorlayer (without any reference points) to qgis as mollweide projection to save it to longlat. What i am wondering about is a mathematical problem: Not every x,y coordinate on the ...