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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2k views

How to convert jpg file to shapefile? [duplicate]

I am developing a GIS application like this: By now my steps are: I have got a jpg file, 5040 x 8179 dimension. In this map, the roads, rivers, towns etc. are marked. I am using .Net to develop ...
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1answer
5k views

How to convert AutoCAD file to Shapefile for map from ArcGIS API 3.2 for JavaScript?

I have an AutoCAD file that I want to convert to Shapfile to appear in a map by API for JavaScript in .net. What do I do?
5
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2answers
2k views

Split a shapefile into multiple shapefiles based on a particular Field [duplicate]

I have a shapefile where there are 3 fields OBJECTID, NAME , LOCALITY. I want to create new shapefile that contains the geometry, projection etc. of the parent shapefile and according to the locality; ...
3
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1answer
2k views

How to convert shapefile to vector emf?

I want to convert a shapefile to an EMF file. The EMF file must be a vector image, not a raster image. Please suggest to me some good packages or tools. Thanks in advance.
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0answers
52 views

Spatial adjustment for vector shp files in QGIS [duplicate]

How to do spatial adjustment for vector shp files in QGIS? I have a set of 4 cadastral maps of adjacent locations. I have converted them form DWG to DXF and then to vector shapefiles. They are not ...
13
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1answer
517 views

The next big thing in standardized spatial data exchange format?

I remember reading something a few months back, in the latter half of 2012, about a coordinated group effort to design a new standard for sharing geographic / spatial data. It has or aims to have the ...
0
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3answers
2k views

How to convert contours and raster surface from Petrel to shapefiles and rasters that can display in ArcGIS?

We have Petrel which is used to produce a surface of a geological horizon below the earth's surface. In Petrel we have contours (vectors) and a raster image of the same area, also visualising ...
6
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1answer
255 views

GIS storage format for better performance - Android device

We have developed an android application which loads different eco-zones and does geo-fencing based on current GPS location. We have converted a shapefile to KML, then to JSON format, for loading in ...
2
votes
1answer
1k views

How do I map data by zip code?

I have a set of data that corresponds to zip code, and I'd like to turn that into a map. From what I've gathered thus far, zip code shapefiles are difficult to find and work with due to the fact that ...
4
votes
1answer
381 views

Export KML to SHP in Javascript

I need my Javascript browser application to convert/export KML documents into ESRI shapefiles. Is there any JS library that can do it? I tried googling, but no answers so far (at least, not in ...
4
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2answers
307 views

Shapefile postgis database to be queried by GeoDjango

I would like to create a Postgres database (postgreslq-9.1 and postgis-2.0.2) storing several shapefiles but I am uncertain on how to implement it so I'm searching for some advices. I have already ...
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4answers
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Updating 30 Shapefiles, adding attribute and populating based on data

I need to add an attribute to each shapefile attribute table in ArcMap, I was thinking to do it in SQL, but I'm not sure how to go about doing it since I'm very new to ArcMap. Can someone explain to ...
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2answers
1k views

Why are edits in shapefile table not saved?

I have created a shapefile (point data) and wish to change some parameters in the files table data. I can edit the data and see the coresponding change in my my symbology. However, when I save the ...
4
votes
4answers
13k views

How to Read a Shapefile using C#?

I am new to ArcGIS and trying a few things.. I'm trying to read shape file(which is supply as an input) using c# and I want to generate a .pdf file which contains underlying metadata information ...
5
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2answers
1k views

Why don't some layers line up afer converting Mapinfo TAB to Shapefile?

I have 6 MapInfo layers / TAB files which I need to convert to ESRI ShapeFiles, preferably using QGIS. When a colleague opens these in MapInfo 10, they all look fine and line up correctly. When I open ...
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4answers
2k views

Converting Esri ASCII raster to Shapefile for CartoDB?

I have an ArcGIS grid ascii file (Ramankutty Cropland at 5 minute resolution) that begins as follows: ncols 4320 nrows 2160 xllcorner -180 yllcorner -90 cellsize ...
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1answer
470 views

Transform ssf to shp [duplicate]

Good Morning Do you know a free program that transform *.ssf to *.shp files? Thanks Eduardo Abade
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1answer
640 views

Create a shapefile from geometry

Please excuse my lingo, I am still learning some aspects of geo spatial and arcpy. I have a python script that takes a shapefile. The shapefile consists of a polyline. I have traversed the polyline, ...
11
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1answer
7k 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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2answers
1k views

Error getting text attributes from shapefile with python / pyshp

I have a shapefile, containing only points in XY-coordinates and a string attribute for each point. I would like to read the coordinates and the attribute for postprocessing in python, but can't get ...
4
votes
2answers
945 views

Splitting DXF layers into Shapfile layers in QGIS?

When i load a dxf into QGIS all the layers are present in the attribute table. Is it possible to split this "entities" layer in QGIS into its component parts and save each component part as an ...
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vote
1answer
550 views

tools and ETLs for migrating data benchmarking - from shapefile to SQL SERVER

i need to migrate my shapefiles to my database SQL SERVER, and i don't know what's the best tool or ETLs to choose, i already tried FME Desktop and i succeded to load the shapefiles on my db, but ...
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3answers
2k views

Exporting 2 shp layers to geojson using quantum GIS

I will explain with an example: I have 2 shp files for Tanzania. Tanzania inland waters http://www.diva-gis.org/data/wat/TZA_wat.zip Tanzania administrative boundaries ...
6
votes
1answer
491 views

How to determine optimal windmill placement to maximize production?

How can I add automatically the maximum number of points (dots) with 6m diameter and 100m distance each point from other into an area. The dots will present the windmill base (6m) and I want the ...
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4answers
1k views

draw shp files or kml files on ipad?

I need to be able to draw a polygon in the field while the landowner is there to approve it. Is there an app that is easy to use so all of the field hands can operate it? I also need to be able to ...
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0answers
88 views

Applying depth to Shapefile

Apologies if this question has been answered before. I'm digitizing a historic coastline and would like to add a single depth figure to it in order to merge it with a current contour model. Is there ...
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3answers
2k views

Any tools to convert GTFS (General Transit Feed Specification) in SHP / KML?

I need to convert GTFS (General Transit Feed Specification https://developers.google.com/transit/gtfs/reference), data in some GIS data format like ESRI Shapefile or KML or something else. Do you know ...
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1answer
316 views

Can't preview a shapefile in GeoServer 2.2.4

I have problem with previewing layers in GeoServer. I installed Geoserver 2.2.4 (following instructions in manual) and everything was going well. I managed to login to it and create my own new ...
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0answers
227 views

How to use GDAL to burn a selected value from one raster into another?

I think this should be a relatively simple process, but I'm not quite sure how to approach it. I have a shapefile containing 1000's of polygons. I also have 19 rasters. All of the polygons fall ...
3
votes
3answers
1k views

MODIS image reprojection/ change coordinate system in ArcGIS Desktop?

I have downloaded Utah state shapefile in NAD_1983_UTM_Zone_12N projection and also downloaded the MODIS image of the area (MOD09Q1) in .hdf format which has sinusoidal projection. the .hdf format ...
2
votes
1answer
340 views

Creating shapefiles using Java and Accumulo

I have tracking data with latitude and longitude stored in an Accumulo database table. We want to move toward using Geoserver for some layer display features on the client side. Right now I'm ...
5
votes
2answers
1k views

Can't export a polygon shapefile to MySQL using ogr2ogr?

I am having problems with ogr2ogr and keep getting different versions of the error: ERROR 1: MySQL error message: The used table type doesn't support SPATIAL indexes. Description: ALTER TABLE ...
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votes
1answer
4k views

How to convert GDB data to shapefiles without ArcGIS?

We've got some data (supposedly it's a simple collection of points--or at least that is all we need to extract) from a 3rd party in a GDB folder (I don't know how to tell what version) but we don't ...
2
votes
1answer
239 views

How to fix the “The inserted Ring is not contained in a feature”?

I am trying to add a ring in a feature in a shapefile. This feature is a single part feature but has already a few rings. When I try to add the new ring, I have the error message : "The inserted Ring ...
0
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3answers
213 views

Where can I download public data set, especially shape file? [closed]

The places I know include: http://www.weogeo.com/ http://geocommons.com/ http://koordinates.com/ Any other suggestions?
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4answers
351 views

How can I clip a shapefile?

I have a SHP that includes the entire county and want to downsize it to a specific area...how??
9
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3answers
2k views

How to get a list of distinct values from a shapefile field using QGIS?

I have a shapefile whose features I can filter by specifying a where clause in the query dialogue. F.x. I have a field named 'city_name' and by stating 'city_name = "London"' in the where clause only ...
1
vote
1answer
43 views

How can I convert an Integer field to a Real field in a shapefile?

How can I convert an Integer field to a Real field in a shapefile ? I'm searching a tool, or a way to do that (may be under QGis ?!). Regards
3
votes
1answer
180 views

shapefile batch clip and merge combined

I have two shapefiles, one is polyline, the other polygon. For each polygon I would like to clip the polyline vectors inside. Using arcpy I already found part of a possible solution: ...
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0answers
112 views

Does anyone know of Electric Company Boundary Shape files that are out there for Free?

Ohio has a great website for their Electric Service Commission and I am looking for a shape file or data that would get me the service boundaries of electric companies for other states. EIA has data ...
9
votes
1answer
10k views

Georeferencing shapefile using ArcGIS for Desktop?

I have a shapefile with some polygons that I would like to superimpose to a raster image, but unfortunately they don't match perfectly due to the reference system the shp has been created with. So, I ...
2
votes
1answer
128 views

Case sensitive query of shapefile in ArcMap 10

I am an IT guy, not a GIS guy. What I know about how to use ArcMap 10 I learned from Google. It has served me well so far. Apparently what I'm wanting to do worked in version 9, but no longer does in ...
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0answers
92 views

Decent Alabama GIS Clearinghouse?

Alabama's data portal (portal.gsa.state.al.us) is down and I haven't come across any other GIS clearinghouses for AL that are as good as say, Florida's FGDL. Does anyone know of a decent GIS ...
4
votes
1answer
1k views

Revealing the different layers of a shape file in QGIS

Shapefile I am referring to is 'NUTS_RG_03M_2010' which is together with several other Shapefiles available in a ZIP file on the Eurostat web site. the ZIP file the available map sets at Eurostat I ...
3
votes
2answers
188 views

How to modify two polygons which have common point and line at the one time

I would like to modify two polygon at the one time because these two data has same point and line. Is it possible?? In the present circumstance, I have to modify polygon one by one. First, I ...
3
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0answers
829 views

How to join data from a CSV to a shapefile using QGIS

I'm new to GIS and new to StackedExchange. I need help joining a CSV of Accessibility data to a LSOA shapefile in QGIS. The process explained here does not work for me and I don't know why. The ...
2
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3answers
13k views

How to convert shape files (.shp) to Cad (.dwg ) format using Quantum Gis 1.7.0?

How to convert shape files to .dwg format using Quantum GIS 1.7.0 ? Thank you
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0answers
516 views

Open shape file in ArcGIS Runtime WPF SDK as Graphics/Feature layer

I googled and followed this tutorial http://www.arcgis.com/home/item.html?id=953a530ada30477d95cc69e788268bc9 and figured out how to import Shape files and Rasters into Runtime. However, it seems ...
8
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1answer
987 views

Polygon creation (Clockwise rotation or not)

According to "ESRI Shapefile Technical Description An ESRI White Paper—July 1998", Vertices for a single, ringed polygon are, therefore,always in clockwise order. Otherwise,"Dirty" polygons occur when ...
3
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0answers
264 views

How to convert shapefile to mapinfo file preserving special characters?

I have to convert a bunch of shapefiles to mapinfo files on a machine without a MapInfo license, so I am using ogr2ogr to perform this task. The problem is that when opening the mapinfo files in ...