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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4
votes
2answers
1k views

Easiest way to create measured intervals between shape points

I need to import a scanned photo of the outcrop (geology project) and re-create the grid from which i took plug data- each plug point will be drawn as a shape point file. The plugs were taken on a ...
8
votes
4answers
1k views

How to publish shapefiles to web with no programming required?

I am new to GIS web development. I do not have any programming background and I want all the maps that I design in GIS (shapefiles, using ArcGIS Desktop 9.3) to be published on the web. Please ...
4
votes
2answers
1k views

Merging Shapefiles With Geotools

I am trying to merge some shapefiles with different schemas in geotools. Im aware of ogr2ogr, but for now I would like to figure out this problem with Geotools. The steps I'm taking are: 1) Create a ...
2
votes
2answers
1k views

ShapeFile or feature class to json

Is there any online or desktop based tool that can convert shapefile or feature class to json and not Geojson.Is there any tool in arcgis desktop to convert shapefile or featureclass into json.
12
votes
5answers
467 views

What in-depth spatial database systems tutorials exist?

Is there a good tutorial that explains in depth the internals of a GIS and a spatial database system such as PostGIS with examples and without any background assumption? I'm specifically looking for ...
4
votes
1answer
7k views

DXF format for QGIS

I am trying to import some DWG files into QGIS. I am using ODA to convert the DWG files to DXF and then want to use the Dxf2Shp converter plugin in QGIS. The ODA converter has many options for the ...
8
votes
3answers
14k views

Where can I download the Google Road network as shapefile?

Is there any site from where I can get Google Road network as shapefile? As per my knowledge It is not distributed by google. So anybody can suggest how can I create this road network for a custom use?...
6
votes
2answers
417 views

How can I turn a vector layer into a graph G = (V, E)?

I have a number of rail networks, in the form of shapefiles of the "line" type. I want to turn them into a more abstract graph format, i.e. the kind with vertices and edges, not chart-type graphs. ...
1
vote
2answers
2k views

How to style a shapefile in GeoServer?

I have a shapefile data of buildings. I added it to GeoServer and serve it as a WMS layer. When I check my own maps in the browser my polygons of building appear black color and I want to change it's ...
2
votes
2answers
2k views

How to incorporate drop-down list within cells of shapefile attribute table using ArcGIS Desktop?

A question has been brought to my attention. When working with a shapefile within either 10 or 10.1. Is it possible to create a python script or some sort of programming language to accomplish this ...
4
votes
2answers
577 views

How do I Capture GDAL projection and create matching output (OGR or GDAL) shape files?

Working in C++, using GDAL and OGR: Depending on what the user has supplied for image input, I need to output point (or other) shape files in the same projection as the input raster images. The ...
3
votes
0answers
31 views

Reduce level of detail for vector contour lines [duplicate]

Possible Duplicate: Simplify Raster Contours ArcGIS 10 I have quite a huge shapefile storing vector contour lines: 1GB. I want to create a detailed heightmap for further 3D usage but the level ...
0
votes
2answers
918 views

Error import ShapeFile shp2pgsql-gui

I'm trying to import a shape file to my PostGIS database but I can not, give a look: Importing with configuration: 12mie250gc_sir, public, geom, / home/samuelribeiro/Desktop/MALHA_DIGITAL/ac/...
0
votes
0answers
48 views

How to convert ArcMap *.shp to MapInfo *.tab file? [duplicate]

Possible Duplicate: Tool for converting .shp file to .tab file? I have files in ArcGIS format, I want to export some layers to Mapinfo files as tab file
6
votes
3answers
5k views

How to read Greek fonts (ISO-8859-7) in shapefile attributes within QGIS 1.8.0?

I'd like to ask whether there is a way to read greek fonts in a shapefile's attribute table within QGIS 1.8.0.
2
votes
1answer
700 views

How to bulk delete shapefile columns?

I have shape-file with next attribute table: - name of features, unique number for each feature of layer I must split shape-file by NAME field, but in result in attribute tables of layers should be ...
6
votes
1answer
8k views

How to re-project shapefiles?

I wanted to re-project a QGIS project, but there is no such option. When searching for an answer I see ogr2ogr suggested for this task, by re-projecting each vector layer (shapefile in this example). ...
2
votes
1answer
412 views

Tiling Rasters based on an existing Polygon Shapefile (Vector Grid)

I have a tile index representing the tile scheme used to tile Lidar data. I want to tile imagery rasters using the same tiling scheme. I have not found anyway using open source tools to tile a ...
2
votes
0answers
154 views

How to cut lines in a shapefile following a GPX-source?

I have a OSM-Shapefile containing all roads of a given area. I need an overlay cut out of this source-Shapefile that contains only some routes that I want to highlight on my map. I have some GPX-...
6
votes
2answers
566 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 ...
5
votes
2answers
975 views

Data security for GIS Data (shapefiles,AutoCAD files)

This is regarding security for GIS Data (in Esri & open source) (Esri shapefiles, AutoCAD files etc.) Does anyone know how to assign a password to or encrypt shapefiles OR CAD Data? I have found ...
2
votes
3answers
2k views

Creating new shapefile based on its attributes with python?

I have a shapefile which has an attribute year. I used to generally copy and paste these features in the dataframe and then using the definition query just show polygons which were established before ...
1
vote
0answers
253 views

How can I merge postcode sector polygons into larger territories in QGIS?

I'm new to GIS so patience might be required :-) I'm building a basic web-based mapping tool for business use, to be used as a demo to show that we need one but managers don't know it yet! So far I'...
2
votes
3answers
763 views

Removing duplicate rows from a shapefile

I would like to write some c# code to delete duplicate rows from a shapefile stored in a folder. Can anyone provide me with an example or pointers on the best way to attempt this, please?
6
votes
2answers
6k views

Converting KMZ/KML to SHP (3D objects)

I have 3D buildings in .kmz file. I can see them in Google Earth, but I cannot import them to ArcGIS. What I've tried until now: I saved it as a .kml file in GoogleEarth and then try to convert the ....
5
votes
3answers
29k views

Converting a .jpg map into a shapefile

I have a .jpg map of a set of U.S. counties that were affected by a tornado. The map shades where the tornado passed through, resulting in some counties only partially experiencing the tornado. I ...
1
vote
1answer
99 views

Is it possible to get the style of a tab file I open in QGIS?

I'm trying to duplicate a map made in mapinfo pro with QGIS in order to create shp files for geoserver. When opening the tabs in QGIS they get some random style instead the one defined in mapinfo pro. ...
6
votes
3answers
384 views

Are there any open source Python modules compatible with arcpy that will allow complex SQL queries?

I am trying to handle string (non-geometry) duplicates in a large attribute table of a shapefile without having to convert to gdb and back or connect to a postgres db. I need to be able to use a count ...
1
vote
2answers
841 views

ArcPy and centroids/points shapefile?

I'm trying to create a point shapefile from a grid index polygon shapefile I created using ArcPy at ArcGIS 10.0 . I know this is simple, but could anyone give a few pointers out there. Here is what I'...
2
votes
2answers
4k views

How to change encoding of layer? [closed]

After loading a point layer out of a text file (plug in add delimited text layer) saved in ISO 8859-15 (Latin 9) out of Access, I did save the layer under Qgis 1.8 with the ISO 8859-15 encoding. When ...
4
votes
2answers
1k views

Why does QGIS crash when merging shapefiles?

This is a repeatable problem. I have created a shapefile using a csv. I am trying to merge it with an existing shapefile, both of which contain only points. (Using the Vector | Data Management | Merge ...
1
vote
3answers
2k views

ArcGIS Server geoprocessing service examples for shapefile data export

I have a web application client built using ArcGIS Server Manager which is currently showing a single map composed by three data layers. The map data are provided as a map service by my ArcGIS Server ...
2
votes
2answers
1k views

What can go wrong in UTM to WGS1984 conversion (shifted data)

I try to convert .shp files to OSM data with shp2osm and ogr2osm but the output data is shifted. Semi-Cross-Posting Warning: I have already asked a questions on the OSM help site, but this questions ...
1
vote
2answers
173 views

information from a shapefile to another shapefile

I am very new to GIS and learning by myself so what I'm about to ask is possibly quite basic. I am using QGIS. I have a shapefile, which categorizes areas (land cover) by numbers (corresponding to ...
3
votes
2answers
2k views

How to convert ESRI SHP to KML with correct coordinate system?

I am working on this SHP file, containing geographical district of Hong Kong. I would like to export this to KML and export it to Google Map for overlay. After I converted it to KML in QGIS (just ...
4
votes
1answer
159 views

Points warped when exporting to shape

I have recently purchased a Trimble GeoXH (used) and have done a few surveys. I have done differential correction in Trimble Pathfinder Office and all points seem fine. When exporting to shape and ...
5
votes
3answers
5k views

How can I export data from a feature layer in ArcGis Server?

I'm using a public ArcGis server with some data I would like to export to shape or some other format. I know I can make a program (I'm a developer) that could query the server for all the features on ...
1
vote
0answers
60 views

SQL server 08 Limitations

The Soil SURvey GeOgraphic (SSURGO) database is a set of very large and complicated shapefiles. We want to load all of the shapefiles for the US into a national SQL database. Are there import ...
4
votes
1answer
143 views

Problem opening a shp in another application

I helped a colleague converting waypoints from a gpx file to a shape file. My colleague has only arcMap. I gave him the shp and when he opened it in ArcMap, it did not show anything in the attribute ...
1
vote
0answers
164 views

What is the best way to create polygons on a map and download files associated with the polygon?

My client wants to build a tourist site and for that he wants a backoffice for the map and the ability to draw polygons on the map (that user can see). When the user clicks on a polygon, he gets a ...
1
vote
1answer
318 views

Unable to add PostGIS table to Geoserver

I am able to add individual tables to Geoserver using, curl -u admin:geoserver -v -XPOST -H 'Content-type: text/xml' -d '<featureType><name>quadrella_indica</name></featureType&...
1
vote
2answers
408 views

How to remove shapefile from PostGIS

I added a shapefile to the PostGIS using, ogr2ogr -f PostgreSQL PG:"host=server_ip user=username dbname=dbname password=password" yourshapefile.shp; Now I want to remove it. What is the command ...
14
votes
2answers
16k views

Adding shapefiles to PostGIS database

I was able to create a Postgresql database and then I executed, createlang plpgsql geospecies psql -d geospecies -f postgis.sql psql -d geospecies -f spatial_ref_sys.sql So now can I directly ...
2
votes
2answers
1k views

Problems converting CSV to Shapefile using pyshp

I have a python script which converts csv data to shapefiles. It converts but won't get angle from csv. Can anyone help me? The CSV data looks like this: fid_nr;x;y;angle 1;55.474040000;13....
5
votes
0answers
142 views

How to add shapefile name as attribute during merge? [duplicate]

Possible Duplicate: How to add field with filename when merging shapefiles with ogr2ogr? I have more 200 shapefiles with a unique name. I would like to merge all of these together and save the ...
3
votes
1answer
6k views

Creating Isolines from point Data

I'm quite new with ArcGis 10 so I’m having difficulties with something that may be simple to some. Anyway I have a list of bores that I’ve plotted using coordinates. Now I need to draw a single ...
1
vote
2answers
308 views

Length of Feature

I have a shapefile which renders a map. I want to calculate and preferably store length of each feature in the shapefile either using QGis or through programmatic means. What is the best way to get ...
3
votes
1answer
859 views

Automate removal of duplicate polygon nodes from shape file in Arcmap

I have a whole lot of polygon shape files, many of which have got duplicate nodes. This makes processing difficult as almost all tools (erase, union, calculate area) do not work. I found that by ...
5
votes
1answer
163 views

Where do I append point values with pyshp?

I would like to generate a .shp with five points using shapefile available through pyshp. However, when I loop through my list I get only the last value. This makes sense as I did not append any of ...
3
votes
3answers
3k views

Creating point to center of polyline?

I'm trying to create a points in the middle of polylines. The data is now in the form of shapefile. Is there an easy way to do this?