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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220 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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170 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 ...
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169 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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774 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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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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132 views

QGIS how to add string field

I have a few point shapefiles. I want to merge them, but first give each point a certain type according to shapefile. How do I add a String field, all with the same word? (changing the field type ...
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62 views

PostGIS automatically creating geometries after importing using QGIS DB Manager

I have a shapefile consisting of linestrings, in which some of the features have null geometry. Yet, after importing it to PostGIS, using QGIS' DB Manager, a geometry is created for those features ...
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136 views

Shapefiles for all the individual countries in the world [closed]

I'm searching for shapefiles that I can later convert into SVG (with something like kartograph.py). Essentially I'm just looking for the outline with (if possible) a dot where the capital is on the ...
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242 views

How to create a circle vector layer with 12 sectors with Python and to save average value of underlying raster in each sector?

Hi I am writing a code with Python 2.7 using Arcpy 10.1 and I guess I am doing stuck with a silly problem that lies under my eyes. I have created a grid of points (with "Create fishnet" function) over ...
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194 views

Extract Polygon Data for Each Neighborhood from GIS Shape File

I have a dataset that has four types of files with the following file extensions - .DBF,.PRJ,SHP,SHX My goal is to get all the polygon coordinates for each neighborhood and draw the boundary outline ...
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118 views

Seeking a gvSIG plugin to go from shp to kml to cityGML

I'm looking for a gvSIG plugin to convert .shp to .kml and then to .cityGML. I'm working with gvSIG + 3D extension and I have .shp format data but I need it in .cityGML format.
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181 views

GeoServer - OSM .shp file and aerial shifted

I have a problem with two layers that I have imported into geoserver. One is retrieved via WMS from a Geoserver (aerial tiles) I don't have access to (I'm just allowed to use it via WMS) the other one ...
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763 views

Dubai - Sector/Community GIS SHP Data?

Where can I download free or open access GIS/SHP file datasets for Dubai, including their respective spatial boundaries? If these might not be available, where can I find a map outlining the Sectors ...
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51 views

Mapwindow and XTools error: XSI is an undeclared namespace

I have tried MapWindow and XTools and have gotten this same error both times when trying to import a KML file into Shapefile format. Does anyone know how I can eliminate this error message? "There ...
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210 views

Where are dynamic hyperlinks stored?

A while back (ArcGIS 10.0 times, or maybe even 9.3) a colleague of mine created a mxd with a few hundred manholes and attached dynamic hyperlinks to them (pointing to photos of them). (I know this ...
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89 views

MSHP file from SAGA tough to delete

After running a SAGA line dissolve process in QGIS, an MSHP file is created (amongst other things). Fine by me, though I'm not sure what it's used for (metadata in XML format?). Problem is that it ...
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235 views

How to create static image file with geometries from shapefile using ArcGIS Online?

I'm trying to create static map images, including overlaid geometry features imported from a shapefile, server-side (in PHP if that matters), in order to use them in generated PDFs. We're using ArcGIS ...
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90 views

How to post an existing shapefile datastore using cURL?

I read geoserver doc, and already Uploaded a shapefile to geoserver using cURL. But I can't change layer name by REST. So I think that there is another way to post a layer. If I can post an existing ...
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1answer
834 views

Version problems with Geotools CSV2SHP example

I'm trying to use the CSV2SHP tutorial. I spent some time trying to get it to run but using v10.x of Geotools causes the shapefile to be output with no geometries. For instance if I open it in QGIS, ...
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1answer
217 views

Polygons not appearing when creating shapefile based on criteria using GDAL and Python (area calculated properly)

I am looping over the features of a shapefile containing multiple polygons. If certain criteria are met, I want to save the current feature in a new shapefile. I am doing this using GDAL 1.10.0 with ...
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417 views

Publishing Shapefiles via ArcGIS Server

I have some OSM's shape-files and running ArcGis Server 10. Would I be able publish it as Map Service without the using ArcMap or another ESRI clients? Also I want to use my shapes with prepared SLD ...
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51 views

Most efficient way of passing values from OGRGeometry to ModelField in geodjango

I am writing a custom parser that maps shapefile data to a geodjango model in a Django 1.6 project. To read the shapefile I use the DataSource object from django.contrib.gis.gdal, which provides ...
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1answer
1k views

Importing Census TIGER Shape Files to SQL Server 2012?

I've been doing my research on how to import shape files into Microsoft SQL Server 2012. and am still unable to figure out how to do it after hours of playing around with it. I'll document what I've ...
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94 views

XML with polygons to Shapefile?

I would like to know how can I convert this xml with polygon coordinates http://api.antwerpen.be/v1/geografie/statistischesector.xml into a shapefile. I'm sorry if this is a silly question but I am ...
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1answer
3k views

How to add X/Y data from Excel file (saved as CSV) on shapefile? [duplicate]

I need to add my X/Y coordinate data as points from my Excel I need help with adding points (using X/Y coordinates). Can anyone help? import arcpy from arcpy import env env.workspace = ...
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237 views

Interpolating shapefile of points to grid using Java?

I am looking for a method/prog/library(java) to interpolate points from a shapefile to a grid (file). I have seen arcgis can do that but i am looking for something free. More specific: i have ...
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635 views

Problem importing ESRI shapefile information to MySQL

I recently updated to Qgis 2.0 and therefore the "exporttomysql" plugin does not work anymore. What I want to do is exporting the geometry information of a shapefile(Polygon) into a MySQL database. I ...
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220 views

Import csv file and use “toggle editing” and “field calculator” without Saving it as a Shapefile.

I am importing a .csv file in QGIS and I have also made the *.csvt file where I have specified my data types. I still cannot use "Toggle editing" and "field calculator".Whether I must save it as a ...
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64 views

Hunting map for personal use (or to publish)

Okay, I do not know anything about GIS. I just downloaded it today to try to get a jump start on my GIS experience for a class next semester. I want to start off by making something useful so I want ...
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101 views

Contours generated from merged TIFs huge - much bigger than individually

I'm generating contours from four 5x5 degree SRTM DEMs in southeastern Australia. I'm using gdalwarp to reproject the DEM, then gdal_contour to generate contours. First, I generated contours for each ...
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301 views

How to perform Shapefile to Raster with ArcMap 10.1 while preserving resolution and values?

I am new to ArcMap and I would really appreciate some help. I want to create a new raster using a value in a column of a point shapefile. I have a point shapefile with points equally spaced and each ...
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155 views

Error when converting .shp to .dxf

I have created a polygon shape file in Erdas Imagine 9.2 from a raster image. I want to export it to .dxf or .dgn for further processing. When I export the .shp to .dxf in Global Mapper, large ...
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146 views

How to shift vertices of shapes in shapefile using FOSS python library?

I need to shift each vertice of shape in a shapefile (of any type:point, line, polygon, multiline etc.) with Python. I need to loop in all shapes, get the vertices, get it's coordinates and for each ...
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2answers
174 views

Fail to export shapefile created from X,Y table

I have a dbf file with X,Y coordinates. I chose to display X, Y data in ArcGIS and got a temporary shapefile. However, when I try to export the temporary shapefile, I got an empty one. There is ...
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1answer
58 views

How to match a shapefile with seconds as units with other layers

I have some shapefile in coordinate seconds (longitude&latitude multiply 3600). I have open google street layer by openlayers plugin in qgis. how to match my shapefile with google street layer ...
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1answer
436 views

QGIS Crashes when I try and overwrite a shapefile using QgsVectorFileWriter.writeAsVectorFormat (QGIS 1.8, MacOS 10.7.5) [closed]

I'm somewhat new to this, and working on a plugin. My plugin will create a points memory layer, which is then written out as a shape file using QgsVectorFileWriter.writeAsVectorFormat. self.writer = ...
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1answer
148 views

How to rescale vector data? [duplicate]

I've got some old maps in dxf format. QGIS imports them correctly but with a nonsense scale. It can export the data it gets to shp of course. Does anyone know how to rescale vector data so it can be ...
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1answer
2k views

How to dissolve polygons and aggregate their data in QGIS? [duplicate]

I have a shapefile (one layer) with my country but I have a problem. It is divided into 4 entries (prefectures), and I want it as one, not 4. Also, there is a table with some data, and I want to ...
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94 views

Mapping between two different agencies roadway shapefiles of Las Vegas in ArcGIS

I have two roadway shapefiles of Vegas. But they do not overlap. One of the file has a certain shift from its exact location. Can anyone help me how can I move the location so that they overlap ...
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174 views

Join .csv file and .shp of georeferenced points

I have georeferenced a map and saved a selection of some points on the map. These points are cities of departure and arrival and I want to join the .shp with a and excel .csv with the information of ...
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174 views

How can I add data to a shp file attribute table from arcobjects?

I have a code that selects row data from a listview table in VB.net. I have declared that data as a variable and I can see it if I ask it to dispay a message box (see code below). Now I would like to ...
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60 views

Where to find Data with site that have hazardous, toxic or radioactive substances?

Does anybody know where to find data that lists the location of sites that have hazardous, toxic or radioactive substances? I'm working on a HUD project and need to be able to find out if sites for ...
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0answers
55 views

How to remove polygons in shapefile based on attributes in R [duplicate]

I have a shapefile where some attribute data is blank. I can delete those rows attribute table using na.omit. However, the polygons remain when I map the shapefile. I'm using R to make these changes. ...
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462 views

Can I create a custom Shapefile for SAS with QGIS?

Okay - I am in the process of configuring GIS within our organisation and am waiting for QGIS to be installed. My aim is to use QGIS to compile a custom shapefile of the business regions used by our ...
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2answers
7k 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?
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53 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 ...
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1answer
340 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 ...
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119 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 ...
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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 ...
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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 ...