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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6 views

“Official” delineation of North American mountain ranges

I need to subset mosaics of remotely sourced data to the extents of several prominent North American mountain ranges, starting with the Sierra Nevada. After searching for the boundaries of the range ...
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0answers
15 views

ogr2ogr re-projection produces empty shapefile

I use the following to re-project a shapefile to EPSG 4326 using ogr2ogr: ogr2ogr -s_srs "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs" -t_srs "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs" ...
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1answer
11 views

Get Shape Type of Several Shapefile with If Statement

Can you loop over a series of shapefiles with a if loop and either copy them or not? Existing code... import arcpy import os arcpy.env.workspace = r'c:\Shapefiles' outWorkspace = r'C:\Output' ...
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1answer
29 views

How to take only relevant rows from database, based on common codes

I have a shp file that is missing some data, e.g. attributes. I have the missing data in a csv file. How can I get ONLY the relevant rows from the csv file added to the current shp file's data table? ...
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3answers
24 views

How to find which areas/regions a list of lat/lons are in?

The Australian Bureau of Statistics (ABS) issues Esri shapefiles or MapInfo files which have a code # for each geographical area at various 'resolutions' and I have a database with a column of ...
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1answer
47 views

How to turn a shapefile into a table?

How do you completely turn a shapefile (created with QGIS, including .shx and the other 4-5 files) into one tabular dataset. I am actually doing this when I import the shapefile into Postgresql ...
2
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0answers
24 views

MS Access to Google Earth Pro

I am embarking on a new project and hoping for some pointers. I am reasonably tech savvy but definitely in the "advanced beginner" category for coding... but keen to test myself. I am trying to find ...
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1answer
22 views

Shapefile One-to-Many Relationship in R

Is there any way to append a shapefile in a one-to-many relationship with its attributes that R can read? I understand the fix that resides in ArcInfo by creating through MakeQueryTable, but as this ...
4
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1answer
116 views

What does it mean that shapefiles are “mostly” open specification?

Esri Shapefiles are commonly considered the standard format for GIS vector data. I noticed on Wikipedia and the OpenStreetMap wiki it is noted (emphasis mine): The shapefile format is a popular ...
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1answer
50 views

Why don't shapefiles online contain the coastline (country borders)?

I have searched everywhere and Geofabric has the best packages of shps yet doesn't have the coastline of countries. I'm talking about the line that demarcates a country i suppose they are called ...
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0answers
8 views

OGR2OGR converting Interlis to Shapefile fails

I tried an convert of a Interlis 1 file to Shape. For each table there is the following warning: Warning 1: No field definition found for table: Biens_fonds__PosPoint_limite I used different ...
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0answers
14 views

Where I can find shp (polygon) with relief units in Slovenia? [on hold]

Where I can find shp (polygon) with relief units in Slovenia?
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0answers
13 views

open source data European gas grid

I am researching the off grid LNG market for which I can only use open source data, but since I do not have experience with open source data, this is a difficult task for me. I am looking for open ...
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1answer
14 views

Source postcode shapefiles & census data for The Netherlands

I would like to do some GIS mapping of the Netherlands, but I am having trouble finding official data files for the following: ESRI shapefiles for postcodes. Census (population) data for postcodes. ...
0
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1answer
28 views

Automatically split KML into point, line and polygon SHPs?

I have a lot of KMLs that include points, lines and polygons together, is there a way to automatically parse them into separate shapefiles (one for point, one for line, one for polygon) in QGIS or ...
3
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2answers
108 views

Calculate geometry on some features have same X and Y for start and end?

I did "Calculate Geometry" on a line shapefile to obtain the coordinates X and Y for the start and the end of all the lines of the shape. But some lines resulted with the same X on the start and on ...
2
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2answers
221 views

Are mixed geometry types allowed in a shapefile?

Does the shapefile support mixed geometry types (ie. point and polygon all in the same file)?
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1answer
34 views

Ward maps for Indian Cities?

i am looking for maps or shapefiles of ward boundaries of cities in india, it has been arround three days since i have been searching for them, but got very few. Please help me if somebody knows ...
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0answers
21 views

Mapnik performance - large polyline dataset

I'm working with a very large set of polylines - contour data - to be rendered with Mapnik. (The contours are generated using gdal_contour from SRTM data.) At present I'm storing them in PostGIS and ...
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0answers
40 views

Data on European countries?

I am looking for any spatial data in the following cases: Spain (Cortes de Pallás 2012 wildfire in Valencia), Sweden (Vastmanland wildfire 2014 area), Netherlands (Strabrechtse Heide 2010 area) and ...
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2answers
69 views

Converting *.xlsx to shapefile in ArcGIS for Desktop?

I'm trying to import an xlsx file into ArcGIS (10.2.1, everything is fully licensed and activated), and convert it to a shapefile for further analysis. The xlsx file is ~180mb, and contains just ...
0
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1answer
33 views

How do I export a line shapefile from a network downstream from a point in ArcGIS 10.1?

I'm using the National Hydrological Dataset's flow lines to trace downstream movement of water is a freshwater diversion from the Mississippi river in Louisiana. I've gotten the trace to run using ...
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1answer
30 views

Unable to read different kind of shape files

I have written the java code to read the shapefile and insert it into the table. But the way I have written code it will accept only a multistring .shp file. It fails for other shapefile geometry ...
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1answer
20 views

ogr2ogr KML to SHP generates invalid file names from layer names

I have a collection of very large KML files that I'm trying to convert to .shp. I'm iterating over 200+ KML files with an average size of around 20 MB. Each KML contains multiple layers, some of which ...
3
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2answers
36 views
+50

Converting shapefile from Shift_JIS to UTF-8 when the usual methods fail

Long story short, I'm trying to import this ESRI shapefile of Japan into CartoDB. (Sorry, no direct link: to download, click on the orange ファイルのダウンロード button, check 同意する to agree to the T&C, then ...
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2answers
57 views

ArcMap creates unnecessary file types when saving shape file (.cpg .prj, lock, etc.)

When saving shape files, geocoding results or even exporting data in ArcMap, many different files are created. Most of the time when I save a shape file, I want only the shape file and not a .cpg, ...
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0answers
37 views

opening many nested shapefiles

I have a large number of shapefiles (>500) representing species' ranges for North America. I am wondering how I could open them all automatically, without having to open them one at a time in ArcGIS? ...
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1answer
39 views

error importing shp into postgis using ogr2ogr

I run an automated script that copies a number shapefiles into PostGIS. I have a problem with one dataset which fails during the export. As the roads.shp dataset is maintained by someone else, I ...
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0answers
15 views

How to design map tile based on Geoserver?

Im developing a Mapservice on Geoserver. I would like to design my map on the Geoserver editing its CSS or SLD. Is there a possibility to have edit tools? Or how can we edit with TileMill of ...
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2answers
54 views

Correlation analysis of two polygon shapefiles with nominal data

I am working on a research- trying to model vegetation types based on factors affecting their distribution. In that case I have observed a strong relation between vegetation and soil types, from just ...
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1answer
79 views

How to turn shapefiles into raster and aggregate them into one raster

For example i tried this but it doesn't work rast_a<-raster(extent(shp_1)) res(rast_a)=100 rsh<-rasterize(shp_1,rast_a) rast_b<-raster(extent(shp_2)) res(rast_b)=100 ...
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0answers
24 views

Shapefile to Mysql error using ogr2ogr

I'm following this tutorial. I installed the “GDAL Complete” Framework from kyngchaos.com and I tested the installation on Mac. I have GDAL 1.11.2, released 2015/02/10. When I am trying to run this ...
2
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1answer
98 views

How is QGIS opening a shapefile with no *.prj file?

I was wondering how QGIS could open a shapefile with no *.prj file (for instance, let's say we have a shapefile with just *.shp, *.dbf and *.shx files). If the On the fly reprojection option is ...
2
votes
1answer
41 views

How to save .shp with layers 'baked' in with QGIS

I'm having no problem applying labels to the shapefile I'm working on in QGIS, but I can't seem to save the new shapefile with the layers 'baked in' for uploading to Mapbox, and then styling. I've ...
1
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1answer
22 views

Copy and paste a DXF Polygon from Deed Plotter to a Shapefile in ArcViewer troubles

I am creating an easement layer in ArcViewer by using Deed Plotter to create the shape of the easement and then adding the dxf file as a layer in ArcViewer. Then I start an edit session, editing the ...
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0answers
45 views

Installing mysql_fdw on Windows

I want to create a join between a spatial database (PostGIS) and a non spatial database from MySQL. Both databases have a unique ID who can be joined. I found a way to do this with PostgreSQL and a ...
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0answers
32 views

Optimizing shapefile lookup time?

So, I have a ~1GB shapefile which is running circles around a ~5MB shapefile when it comes to feature look-up time (using python, with GDAL): def check(name, lat, lon, attributeFilter:'SQL ...
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2answers
17 views

Importing and exporting KML into and from DashDB for Geospatial Analysis

I am a recent convert to IBM's DashDB, and I considering proposing to use it at my work. My case would greatly be bolstered if I could show good, easy integration for geospatial analytics data, namely ...
1
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2answers
92 views

What causes large shapefile file size and can you effectively reduce it?

I have a shapefile that contains all counties of Poland in one shapefile. The shapefile is provided by central cartography agency. The file with counties they provide is around 30MB. The same ...
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0answers
22 views

Shapefile 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?
0
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0answers
16 views

Calculate mean of shapefile based on another shapefile

since days I´m really stuck with my problem. As you can see in the figure below I have two shapefiles. The lightgrey one simply contains a grid with a cellsize 30 by 30 meters. The second one (blue) ...
1
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0answers
20 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 ...
0
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0answers
20 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. ...
2
votes
2answers
79 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 ...
4
votes
1answer
201 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 ...
0
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1answer
15 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
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 ...
2
votes
1answer
45 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 ...
0
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1answer
32 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 ...
0
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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 ...