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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1
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0answers
29 views

Shapefile data not displaying on MapInfo workspace?

I have a number of shapefiles created from ARCMap and would like it displayed in MapInfo (version 10.5) but the polygon is not displayed on the work space. I can view my attributes table by browse ...
1
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1answer
495 views

Using kriging with data in GDB

I have series of data in my GDB I am running the program under VBA and what I want to do is using the data by the tool Kriging. This is what I thought: First, Kriging needs data that must be a ...
11
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2answers
11k views

Merging polygons in shapefile based on field values?

I have a shapefile with a lot of polygons in it. These polygons are grouped into a category: district. How can I merge the polygons based on the same name of the category within this shapefile?
3
votes
3answers
112 views

California State Parcel Data

I am looking for California state parcel data such as owner name, no. of stories, year built etc., for each parcel. I can get to the level that I can browse them in property appraiser site but don't ...
2
votes
1answer
47 views

Merging ShapeFiles with QGIS for UK counties

I want to draw a map for all the counties of UK including North Ireland. Since I can not find a source of counties including both North Ireland and Britain. I try to merge two shapefiles with QGISfrom ...
20
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10answers
22k views

Adding Attribute data to shapefile?

I can display a shapefile in openlayers but I need to add some attribute data. I can open the dbf file in excel but there is no save as option in excel to the updated file as a dbf. What is the ...
0
votes
1answer
34 views

Why are these two shape files different?

Can someone please explain why these two shapefiles are different: Neighborhoods in Cambridge, MA ; and Water bodies in Cambridge, MA. In particular, I am having trouble working with the water ...
1
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1answer
573 views

ArcMap “Could not open the specified file”

Has anyone ever encountered this message? I am getting this when I try to open certain shapefiles. I am working on a problem that generates shapefiles from spreadsheets using ThinkGeo's .NET tools. ...
2
votes
1answer
48 views

Is there Data Loader for QGIS or Spatialite?

Is there a tool that works like the data loader of ArcGIS for QGIS (or via Spatialite )? To integrate data in a database or a shapefile without having the same structure (and the tool allows to ...
1
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1answer
578 views

Z value (height,altitude) from 3D multipoint shapefile in QGIS

Is there a way to get Z value/height/altitude from 3D multipoint shapefile in QGIS? All I found is way through SpatiaLite or PostGIS as explained here: ...
2
votes
2answers
364 views

Problem when converting sosi to shapefile with ogr2ogr on Linux

I am trying to convert a SOSI file (Norwegian geodata format) to a shapefile. I have set up gdal, but apparantly there is a lot of things that I dont have support for. When I do a ./configure, this is ...
0
votes
0answers
18 views

convert .shp to .gpx with selected attributes [duplicate]

I am working with QGIS 2.6/2.8 (1.8 is installed too). Right now I am planning an inventory and want to convert a .shp file to a .gpx including the Column "fid" from the attribute table. Is there a ...
0
votes
1answer
27 views

Graphical modeler in QGIS. I can't find a model [duplicate]

I'm a doing a tutorial for QGIS and at one point I have to use 'Join attributes by location' model but I do not find it in the Graphical modeler. Does it have to be there? I have to download it from ...
2
votes
2answers
262 views

Writing shapefile with projection defined crashes fiona

I've just started trying to use Fiona to write out shapefiles. I found the example code below, which seems to work fine from shapely.geometry import mapping, Polygon import fiona # Here's an example ...
0
votes
0answers
13 views

Load a shape file in postgresql DB with php

I am trying to load a shapefile in a postgis database using the exec() command. I have read the format I have to follow from here and I checked several similar questions from the forum. Based on the ...
2
votes
1answer
37 views

Extracting intersection areas in R

I have two polygons. One contains fields(X,Y,Z) and the other contains soil types (A,B,C,D). I want to know what area of every field contains which type of soil. I tried the following: ...
0
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0answers
29 views

PostGis without shp2pgsql

I recently reinstalled postgis on my pc, following these instructions link. The installation is successful, and for several days work using PostgreSQL and PostGIS without problems. Now, I need to ...
2
votes
2answers
386 views

From OSM to shape. Parsing problem

I'm working at OpenStreetMap project for android at the moment. I want to retrieve OSM data from my app(nodes, markers and paths) and convert it to shape file (.shp, .dbf and .shx). Later, I'll load ...
1
vote
2answers
199 views

How to delete empty fields from a Shapefile with QGIS or ogr2ogr?

I have a Shapefile with a lot of empty columns but many of them are empty. Using QGIS or ogr2ogr, how do I remove all attribute columns where everything is NULL?
0
votes
1answer
37 views

Connectivity Issue in Road Network - Error Graphic Pick 1

I have read around 6 various forums posts and still could not figure out where I was making the mistake so please help me. I have downloaded the OSM shape file and and have clipped a pretty large ...
1
vote
0answers
19 views

Problem with QGIS raster interpolation from a point shapefile after duplicating the shapefile

Let me explain a problem I had with QGIS to see if somebody else has experience it. I created a raster from a point shapefile through the Raster-> Interpolation menu with no problems. After that, I ...
0
votes
1answer
31 views

Sampling one shapefile with polygons of another using R?

I have two shapefiles that partially overlap. One (the bigger one) consists of several polygons which represent fields I am interested in. The second, is a rectangular shape that overlaps about 30% of ...
0
votes
0answers
10 views

Shape to Geo code xml generation

I would like to know the process of generating GEO codes from a shape file (Indian coastal districts/ states). Here we have used ArcGIS for generation of the shape-file along the indian coast. Can ...
6
votes
1answer
897 views

Create multiple shapefiles from one table

I've imported a table into ArcGIS which I'd like to split into multiple shapefiles. The splits would occur between groups of records separated by any of 3 columns. In other words, col1, col2, and col3 ...
0
votes
1answer
25 views

ggplot2 plots polygons with wrong topologies

I'm trying to plot polygons in R using ggplot2. In GRASS, QGIS and normal R the map renders fine, but ggplot2 seems to have some kind of topological difficultes I can't explain. With normal R it looks ...
1
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2answers
39 views

Writing PyQGIS Output to Shapefile

I'm trying to find the closest point on a line to another point as in this post. However when I try to write the result as a shapefile I get an error: TypeError: ...
1
vote
1answer
40 views

No cadastral maps in the UK. Solutions/alternatives for a methodology?

I need help reworking a methodology in the absence of cadastral data in the UK. The aim is to plot a range of businesses in a UK city on separate layers (according to business type) as polygon ...
0
votes
2answers
22 views

Is it possible to append the same type of shape file captured on two different Trimble Juno 3b's with ArcPad 10?

I will soon have access to two Trimble Juno 3b's which will both have ArcPad 10. I have done some practice with one Juno 3b and I am very confident with my ability to use them. All I need to know is ...
0
votes
1answer
33 views

How to add attributes to a Shapefile published in Geoserver?

I use Geoserver 2.4.4 with Shapefiles. Now, I want to add attributes to features from a layer that already has some attributes. (Shown in Geoserver->Layers->Feature Type Details). I add the ...
1
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0answers
40 views

Geotagging photos with Point Shape via Time Stamp

I have waypoints which I marked with a gps device - unfortunatelly no track/route. And I have photos which I took at the same day. Now I want to interpolate the points to line and use this line to ...
0
votes
1answer
22 views

Creating Shapefiles from MS SQL using ColdFusion/Java?

A client wants to export, from their MS SQL server, data into Shapefiles. I've looked around for a starting ground and have heard Ogr2Ogr mentioned and it seems intimidating. So I was wondering if ...
0
votes
0answers
20 views

Subtract parts of polygon that overlap with ocean

I have some seismic data in format of shapefiles/geojson. The data has no relevance in the oceans so I am looking to strip away those parts of the polygon. What I am currently doing is using the ...
0
votes
1answer
53 views

Seeking shapefile of traffic lights with time sequence information anywhere in world?

I am looking for a shapefile of traffic lights that contains the time sequence information. As in how many seconds the green, red and yellow lights are on. It could be a point layer of street lights ...
5
votes
1answer
707 views

How to Convert a Line Shapefile into a CSV with Nodes and Links?

Is there a way to convert a linear shape file into a csv file of the following format: Node_1, Node_2, attribute_1, ...., attribute_x 1 2 "hello" 567845.334 I have looked at ...
3
votes
4answers
1k views

Unable to explode multipart polygon

I have a taxlot that is giving me troubles in a Union. When I try to run the union I get the tried and true ''Geometry is not M-Aware'' message. (there are no Polygon-M features). Based on readings ...
3
votes
2answers
726 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 ...
0
votes
0answers
22 views

Using GDAL with a line layer and points layer, find next point along line layer

With the points layer and line layer, I'm trying to create a graph for path finding. I've got a line layer that I've dissolved, thinking that might make this easier. The points in the points layer lie ...
-1
votes
1answer
73 views

Preserving attributes during kml2shp conversion in ArcGIS for Desktop?

Looked online and found the two links below on preserving attributes when doing a kml2shp conversion. Thinking there might be a newer better way of accomplishing this using ArcGIS 10.1 for Desktop? ...
1
vote
1answer
39 views

Determine projection of a shapefile

Is there anyway to determine projection of a shape file which doesn't have .prj file? I am trying to re-project this shape file to another projection, I know that it is Lat long data. I could manage ...
0
votes
3answers
58 views

Exporting QGIS polygon shapefiles to Trimble Juno or similar

I am considering buying a Trimble Juno or similar hand-held field computer to assist with vegetation survey. My main need is to be able to see on it shapefile polygons drawn on my home PC in QGIS. I ...
0
votes
0answers
52 views

polygon shapefile R extract issues

I'm trying to do simple RF classification in R based on https://gis.stackexchange.com/a/39103/48810. The code I am using is as follows: require(sp) require(rgdal) require(raster) ...
0
votes
0answers
33 views

Script for Arcpy console Lock file gets removed

I am running a script via python console to batch add and calculate new fields of all shapefiles in the current dataframe. Sometimes, especially if I have more than 5 shapefiles to be processed, the ...
1
vote
0answers
25 views

Update shapefile name with layer name

I had a layer that I split by fields. The resulting files were given a name. I updated the names of the resulting layers in QGIS but have realized that the shapefiles have not been updated ...
3
votes
3answers
3k views

Install the Pgadmin3 shapefile importer plugin on a Mac(10.8)?

I'm new to GIS related things and I'm setting up a Postgre/Postgis database for geospatial queries. I'd like to import various shapefiles into the database and I found that Pgadmin3 has a shapefile ...
1
vote
0answers
18 views

Incorrect Acreage QGIS 2.6.0

I have six polygons, all of (fairly) similar size. The first one is 8 acres, the others are obviously wrong with 120,000 acres, and 106,000 acres and so on. I am calculating with the field calculator, ...
1
vote
0answers
37 views

Loading shape files from a read-only drive

Never had a problem with that, but after updating to ArCGIS 10.3 I cannot load shape files from a read-only drive. The error message says: Error opening feature class FDO error: -1 [nnn.shp] FDO ...
0
votes
1answer
32 views

Tab delimited and shape file [closed]

I have a tab delimited file and a shapefile which demonstrates the forest areas an area. When I open them in a project the shapefile covers the points of my samples. Is there a way to counteract this? ...
0
votes
0answers
7 views

Shapefile (dbf) to MySQL conversion? [duplicate]

Is it possible to convert the exported data of shapefile to MySQL? I want to use MySQL instead of dbf since dbf are prone to corruption.
3
votes
3answers
760 views

How to preserve text when converting from .dxf to .shp?

I have tried using dxf2shp converter in QGIS but the text in dxf file is being lost during the conversion process, despite selecting export text labels. I would be grateful if someone can help me ...
3
votes
4answers
1k views

What are the advantages either way between GML and Shapefiles?

After a good start many months ago of getting into GIS through QGIS, I had to drop what I was doing and did not touch it for quite some time. I am now able to get back into it and have a need to load ...