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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9 views

Souce of shape file on the distribution of ethnic groups across China?

I am looking for an up to date shape file of the distribution of ethnic groups in China? Does anyone have any suggestions? cheers.
2
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2answers
59 views

Procedure putting online a graveyard in a GIS

I would appreciate some advice. I’m not an expert in GIS but recently I studied a bit, came on different sites. Among others QGIS, MangoMap, ArcGIS, … etc A group of 6 small towns in Belgium wants to ...
0
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1answer
207 views

ST-Links convert Feature Class to DB Table error

I'm using ArcMap with the ST-Links SpatialKit Conversion tool to convert a Feature Class to a DB Table. But I'm getting an error: ERROR: 42601: type modifier is not allowed for type "geometry". I ...
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0answers
16 views

Generalize a selected part of shapefile

I see v.generalize takes the whole shapefile as input, but is there a way in QGIS to generalize/smooth selected part of a shapefile? I will select the part in Node Tool and then use v.generalize tool. ...
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0answers
17 views

QGIS Partitioning Regions

I have to polygon shapefile maps in QGIS that cover the same area. One with ~90 polygons (call them regions) and the other with about ~800 polygons (call them zones). I want to add a data column in ...
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2answers
48 views

Loop for exporting shapefiles from an existing shapefile

I have a pnt shp with 50 pnts. I want to export each one of it in a separate shapefile with arcpy writting a loop. My problem is that i want the output name i create has a different name, e.g. for ...
4
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1answer
164 views

Converting 12-hour time to 24-hour time using Field Calculator

Does anyone know how to convert string time formats in ArcMap v10.2 from 12-hour to 24-hour using a simple query in the Field Calculator? i.e. NO Python, NO editing in Excel, NO changing my Windows PC ...
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1answer
11 views

Problem with editing in geotools 13.0

I have a problem with getting the ID of a newly created feature in the shapefile. I have a datasource / datastore that reads and writes to a shapefile. I create a feature, add it to the store and ...
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0answers
20 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
490 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?
2
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3answers
97 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 ...
16
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4answers
3k views

How do you determine a shapefile's charset?

Is there a way to determine the charset used for a given shapefile?
2
votes
1answer
42 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
21k 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
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1answer
31 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 ...
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0answers
15 views

How to make an inundation map?

My task is to calculate the area available for specific plant species in a natural reserve that has been reconnected to the tidal influence. First step is to create an inundation map for a natural ...
1
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1answer
474 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
45 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
520 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
349 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
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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
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1answer
22 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
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2answers
253 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 ...
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0answers
12 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 ...
0
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1answer
46 views

Explaining ArcGIS Raster to Polygon output?

I want create a new shapefile with selected fields found in a raster which depicts landcover. I first attempted to run Raster To Polygon. However, some class names no longer appear, as shown here: ...
2
votes
1answer
30 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: ...
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0answers
22 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
374 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 ...
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0answers
25 views

calculating distance between successive csv gps points using java [closed]

here is part of code that i tried to execute but it dosent work ... the problem is in latitude2 and longitude i didnt figure out calculate distance between row and row+1 nay help please !!!! ...
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2answers
184 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
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1answer
31 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
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0answers
15 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
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1answer
25 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
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0answers
9 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
878 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
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1answer
22 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
34 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
36 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
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2answers
18 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
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1answer
25 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
30 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
12 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 ...
2
votes
1answer
112 views

pgsql2shp ERROR: incompatible mixed geometry types in table

I have multi-linestring in .shp files and I split the lines with postgis, but that result is only geom column. It does not works with shape file exporter error: incompatible mixed geometry types ...
0
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0answers
17 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
51 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
701 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
964 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 ...
0
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1answer
45 views

How to show coverage of 5 different years on a map [closed]

I have a district shape file which has coverage columns from 2006 to 2014. Is there a way of representing these coverages on a map showing the trends for 2006 to 2014. I want to present it like in the ...
3
votes
2answers
712 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 ...