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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333 views

How to read vector datasets using GDAL library

Up to now, I have used GDAL in order to read raster information and geotiffs and show them with the help of OpenGL. Now I have a vector dataset, and by that, I mean I have the files with types: DBF ...
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1answer
228 views

add wkt representation of the geometry as field in qgis

I have the shapefile of boundaries loaded in qgis. I want to add a field in the file which is WKT representation of the feature. Update As Nathan W answered I used geomToWKT( $geometry ) and got ...
3
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1answer
390 views

How to get around the 10-character limit when converting from kml to shp with ogr2ogr

I'm trying to create custom .shp files by drawing polygons on a new layer in Google Maps Engine, exporting that .kml file, and then converting that file to a .shp file with ogr2ogr. If I run a ...
3
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1answer
115 views

Attribute manipulation on shapefile

I have a shapefile which contains landuse types. The Landuse types are written in a field called "Type" and contain also the area in m² and a landuse code. Some polygons contain more than one landuse ...
4
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1answer
99 views

Update Grid cell value with Point attribute

I have a 4km gridded dataset with each grid cell value as a measurement of precipitation. I would like to update it with a point shapefile of more precise precipitation values. Aside from ...
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0answers
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 ...
3
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2answers
6k views

How to convert bearing, distance, xy coordinate measurements to point shapefile?

I have a natural resources dataset where individual seedlings in canopy gaps were recorded from a center "legacy tree" within each canopy gap. Each sapling has the following measurements associated ...
0
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2answers
143 views

Do I have to convert a line shapefile to points to store it in another database?

This is the surprisingly the first time I've come across this. If I wanted to export a line shapefile from ArcGIS to another database (say Access) would I first need to convert the vertices to points ...
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1answer
1k views

How to change the pixel value of a raster dataset which overlaps a polygon featured shapefile in ArcGIS

I have a raster data of 1992 and a 'shapefile' of Los Angeles county. I want to reclassify the pixel value of the raster data set to 'no data' or zero in the region where the raster and the ...
0
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1answer
568 views

Shapfile created in QGIS does not fit in ecognition project

I have various shapefiles - some created by others, some created by my self. They should all have the same size of the underlying Raster file. The shapefiles have been created on top of a Raster file ...
1
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2answers
207 views

Merge shapefiles

I am a new user of ArcMap. I have several shape files of various portions of the West coast of India (boundary and contour files). I need to combine all these files into one shape file so that I can ...
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2answers
1k views

Suburb shapefiles from the Australian Bureau of Statistics (ABS) hass missing suburbs, unsure how to fill the holes

I downloaded the latest suburb shapefiles from the latest census at http://www.abs.gov.au/AUSSTATS/abs@.nsf/DetailsPage/1270.0.55.003July%202011 from the link "State Suburbs ASGS Non ABS ...
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3answers
1k views

Can I have two kinds of point geometry in a shapefile or I should create multipoint shapefiles?

Following my previous question, can I have a mixture of two kinds of geometry in a shapefile of type point. Just like I have about shapefiles of type polygon or I should always create a shapefile of ...
0
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1answer
399 views

Writing iso19139 compliant xml metadata from a spreadsheet

I am looking at a way to migrate the metadata from a spreadsheet into iso19139 compliant xml metadata documents for a collection of shapefiles. I can parse the data out of the spreadsheet into strings ...
0
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1answer
193 views

How to map and color localities (provinces) with an external CSV using Quantum GIS

I use a Swiss shape file map (called PLZO_PLZ) available on http://www.cadastre.ch/internet/cadastre/fr/home/products/plz/data.html (ZIP file Shape LV03) PLZO_PLZ contains a column called PLZ which ...
2
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2answers
296 views

Problem with Coordinate Tolerances when I export my .shp files to .mdb

When I export my shapefile to a personal geodatabase using ArcMap, the result is not the same as the original database. I do not know how to solve this problem.
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1answer
93 views

How can I use ogrinfo to reach information anout a .shp?

How can I use ogrinfo? where should I write it? In the visual studio's command prompt or somewhere else? Can you make some examples? when I use ogrinfo in the windows or visual studio's command ...
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1answer
489 views

Transform ssf to shp [duplicate]

Good Morning Do you know a free program that transform *.ssf to *.shp files? Thanks Eduardo Abade
3
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1answer
4k views

Importing shapefiles to SQL Server

I often use the brilliant SQL Server 2008 Spatial Tools to import shapefiles into SQL Server 2008. This works absolutely fine but it leaves me wondering, how do Microsoft expect end users of SQL ...
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0answers
70 views

Routing using .MP file format

I am having .MP file for a particular map location, the .MP file consists of points and polylines. Now I want to find the shortest path between two points. What is perfect and simple method to find ...
3
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1answer
2k views

Extract parcel layers from vector pdf

So, I have an interesting problem... I have a PDF file which has over 100 pages and each of these pages is displaying a map in vector format. By using some third party program I was able to find out ...
2
votes
2answers
1k views

How to programmatically convert arbitrary XML data to shapefile?

EDIT: Based on the answers below I decided to do some programming. I'll be using GEOtools for this, a java lib: http://www.geotools.org/ I have the following XML: <shapes ...
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2answers
950 views

How many interior and exterior rings can a polygon have in a standard ArcGIS shapefile?

working with GDAL/OGR library and studying these two slides about geometries and vector data in the OGR library: slide 1 slide 2 I found that a polygon can have an exterior ring and lots of ...
3
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2answers
488 views

Can QGIS use a non-spatial Oracle Database?

I'm building my first plugin in qgis, that needs to read some coordinates from an oracle database (not oracle spatial database) and create a shapefile with this points. I'm searching but only find to ...
23
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4answers
8k views

How to bypass 10 character limit of field name in ShapeFiles?

I'm exporting geometry with attached text attributes from oracle database to esri shapefile format (.shp) with Java and Geotools library. Attribute columns in our database have names with more than ...
3
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1answer
595 views

QGIS Shapefiles have the same CRS but dont line up. (Census Tiger Data & State Data)

I have the Census Tiger data for Oregon from http://www.census.gov/geo/maps-data/data/tiger-data.html Then the bottom one of 2010 Census Population & Housing Unit Counts — Blocks. The shp ...
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0answers
92 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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1answer
1k views

How can i add sharpmap to visual studio2008?

i have just installed visual studio 2008. and i want to add sharpmap or any other tool so that i can add shape file in .net. I have selected sharpmap because by the search i have got that sharpmap is ...
9
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4answers
2k views

GeoJSON too bulky - what to do?

I am using leaflet.js to allow web users to select a region. Valid regions are US states, Canadian providences, and world countries (except for US and Canada). I constructed a shapefile myself using ...
3
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1answer
1k views

How to explode multipart polygons within shapefile in QGIS 1.8

I've got a shapefile with polygons, some of which are multipart polygons. I need to create individual polygons out of the multipart polygons. Is there a tool or plugin that can do this in QGIS 1.8?
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3answers
949 views

Where can I find shapefiles for New Zealand Cities and Suburbs/Neighbourhoods?

I'm trying to find some shapefiles (administrative boundaries) of New Zealand CITIES and SUBURBS/NEIGHBOURHOODS. I've found some boundaries for the Country, Regions, Districts (not useful for me) .. ...
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3answers
3k views

2010 Census Tiger County shp file with defined coastal land area

I am looking for a 2010 Census Tiger Shape file that hugs the coastline and doesn't include the ocean in county boundaries. I have a pre 2010 file that did this and I can't seem to find a 2010 ...
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0answers
210 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 ...
2
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1answer
469 views

How to convert a shapefile into a WMS? Wie kann man eine Shape-Datei in ein WMS umwandeln?

can anyone tell me by chance, how to transform a shape file into a WMS and then load it into mapbender? kann mir zufällig jemand sagen, wie man eine Shape-Datei in ein WMS bekommt, um diesen dann ins ...
4
votes
1answer
477 views

Is there a way to handle file names with spaces in ogr2ogr?

I'm trying to convert .shp files to .kml files. I used a batch file to find all .shp files in a directory and its sub-directories and convert them to .kml. Some converted and some gave me the error ...
0
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1answer
101 views

Census Shapefiles Fit to Land

I'm looking for an oceans or coastlines shapefile that's a more detailed than what Natural Earth has to offer (1:10m). I'm working with 2000 Census county shapefiles, but it doesn't cut out lakes or ...
2
votes
1answer
995 views

How to upload TIGER shapefiles into MongoDB?

I have the school district shapefiles from TIGER for Michigan, from: ftp://ftp2.census.gov/geo/tiger/TIGER2012/UNSD/ I'd like to use MongoDBs geoquery features to interrogate this data. How do I ...
5
votes
1answer
259 views

How to get maximum value where two shapefiles overlap using ArcGIS for Desktop 10.1?

I'm trying to merge 2 datasets (both shapefiles, but I can convert them to raster layers if necessary) where the values are compared, and whichever is higher becomes the new value for the layer. How ...
0
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0answers
258 views

Conversion from .shp to.swf?

Does anyone know which free software can I use to convert a .shp file to a .swf?! I have created a shapefile on QGIS which I would project on STAT PLANET PLUS. In addition, I would like to display ...
1
vote
1answer
348 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 = ...
0
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3answers
304 views

Python: best practise to ceate a large shapefile

What is the best approach to create a create a very large shapefile (close to the max of 2GB) using python? Best approach means: robust and fast. Above all fast.
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0answers
136 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 ...
0
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1answer
72 views

Calculate length of 2,000 paths - lines in Google Earth?

I have ~2,000 paths/lines drawn in Google Earth and I would like to know their cumulative length. How can I do this easily? I have been able to convert into excel the Lat & Long of each point in ...
7
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4answers
26k views

Looking for free Shapefile editors

I want to create and edit Shapefiles for my application, and I'm looking for a free shape (ESRI) file editor - free for creating and editing. Thanks in advance.
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1answer
296 views

How can i save Shape file as sql script with ogr2ogr?

I have a some Shape files and i want to convert it into sql scripts. I know that ogr2ogr can put data into data base itself. But i want to have a sql script which can be executed and put data to DB. ...
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1answer
290 views

How to merge polygons into a single item where an attribute is same?

I have a shapefile of a area .It consists of list of fields in which sub locality is also a field.Under the sub locality field all the areas are common say for example: perungudi,perungudi,perungudi. ...
21
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5answers
2k views

What are advantages of using spatialite over shapefile?

I found spatialite more useful than shapefiles as it does not have the limitations of shapefile and it is also portable. Many people here use shapefiles to exchange data and even the experts do not ...
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0answers
322 views

Drawing a map of a country with specific boundaries/zones using postcodes latitude and longitude

I'm quite new in geocoding - it has been fun! My project is to draw Australia with specific boundaries/zones using R program. I was able to successfully upload a shapefile of Australia in R program, ...
3
votes
1answer
79 views

Does Quantum GIS recognize QDGC information?

Good morning! So a bit of background on what I am working on: We are in the process of assisting a wildlife institution in South Africa with trying to take their information and surfacing it in a ...
2
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1answer
330 views

Kartograph Open Street Maps

Firstly, congratulations to Gregor Aisch for creating such a wonderful library, thank you! I am having a little trouble rendering an svg from some osm data. I downloaded the Sweden transportation ...