Questions tagged [shapefile]

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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Limitations of PostGIS Shapefile Import GUI tool?

I would like to improve my knowledge regrading this issue. I am using PostgreSQL version 9.5 (x64bit) on Windows 7 Enterprise (x64bit Machine). I have a table containing 3515214 rows of X,Y ...
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150 views

Ordnance Survey Maps in .osm.pbf format

I see that you can download Ordnance Survey maps as ESRI Shape files, so I would like to take those and convert them into a .osm.pbf file so that I can more easily use them. Are there any tools out ...
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533 views

geotools shapefile does not support utf-8 for dbf header

I create a ShapefileDataStore to create a new shapefile and call dataStore.createSchema(...) . But it does not work for utf-8 header fields. I checked the geotools source code and realized that it ...
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144 views

Number of polygons in shapefile too high

I downloaded administrative shapefiles from www.gadm.com/country (China). The Python (Basemap) code below tells me that there are 2365 polygons in it. However the .csv and .dbf files included with the ...
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167 views

OGR: How to save shapefile to HDD?

I'm new to OGR module and I can't figure out how to save new layer to my HDD. I allready have shapefile with lines and buffer and I want to clip lines with buffer. from osgeo import ogr os.chdir(r"...
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39 views

Enclosing building models from bottom (Missing GroundFeatures) using FME?

I have 3D building model of the city and I would like to export it to proper CityGML model. I am trying to find out, how to make an intersection of building and terrain in order to make "...
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174 views

Label rendered with empty features using geotools

I am using geotools to generate some images based on the shapefile data, it works well until I tried to add labels for the line features: the labels are rendred even there is no features in the images....
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101 views

Multiuser editing coupled with Google Street view?

I am currently looking for an interface with two essential features: Ability for multiple users to edit data simultaneously Ability for all users to use Google Street View within interface (As an add-...
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201 views

Feature Points Shapefile missing Spatial Reference Information

I'm working with ArcMap 10 and I have a feature points shapefile from the Florence (Italy) municipality open data (http://opendata.comune.fi.it/statistica_territorio/dataset_0040.html). Each point is ...
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376 views

MultiPatch Shapefile import into PostGIS Database

I have geometry of buildings in Shapefile MultiPatch format. I want to import it into PostGIS database in the same format. Is that even possible? If yes, then how?
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547 views

Why is ArcGis change precision of double field after copy?

I create the attribute table of a shapefile and while I copy it by using the "copy features" tool it change the precision from 11 to 14. I create two fields with the name poly_x and poly_y and they ...
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108 views

Complexity of US 5-Digit Zip Code Boundaries from Scratch?

Does anyone have any idea how difficult it would be to create 5-digit zip code boundaries from scratch? Let's suppose you start with a good outline of the US. Where would you source the fundamental ...
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87 views

Rasterize and union problem

i've done the union first and then rasterized it. But now i want instead of that, to rasterize each one and then merge it as one. How do i do that? I mean without the union first off. on<-union(...
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126 views

Merging SHP lines with attribute data combined?

I have one shapefile which contains hiking routes and another shapefile which has ski routes. Sometimes they follow the exact same path. In QGIS if the lines mentioned above are in the same SHP I ...
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517 views

Convert shapefile to tiles for WMS requests

I have a shapefile (world countries) and this file is fix (I don’t want to edit it). I create a Vector layer with this file in GeoServer and I get this file with WMS layer from GeoServer. In this ...
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59 views

How do I export to a shapefile?

I created a new map, connected to my ArcGIS service, and dragged a map from a map service into the Table of Contents. The map is drawn on the screen with all my data points and I can see the ...
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281 views

error converting shapefile to geoJSON with Ogre online tool

I am using on online tool built with ogr2ogr to convert shapefiles to geoJSON: http://ogre.adc4gis.com/ It's worked well except for one shapefile, and I can't see why... The shapefile has only six ...
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405 views

Shapefile to Rectangle Overlay/Intersect Test?

I have a shapefile and a repository of images that have corner Lat/Long points. I want to search that images who overlaps/intersects to shapefile. Here is the scenario that I am doing, creating a ...
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43 views

shp2pgql: how to omit the git column?

I am importing a series of shapefiles with shp2pqsql that already have a unique identifier attribute. Since shp2pqsql creates a new column called gid I am ending up with two unique identifiers per ...
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433 views

Creating layer with geom type wkbGeometryCollection with gdal python?

I am having trouble creating a layer with geom type as geometry collection. Thus I am unable to output to a shapefile. I have attached code below. dstLayer is null. This does not happen if geom type ...
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123 views

Why can't I save a line shapefile?

I'm working with qgis v. 2.0.1. I have some data points and I just wanted to create a new shapefile with line geometry. In the new vectorlayer-window, I added some attributes (approx. 10) and klicked ...
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61 views

GPS Coordinate Handling

I have a text file with consecutive coordinates of gps data for ongoing and incoming route(on Same road). i want to convert them in line format. how can i normalise those extra coordinate so that i ...
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146 views

Export additional data with ogr2ogr

I am trying to import my ESRI-shapefile with OGR2OGR to an existing mysql table. This works fine but unfortunately only the featureID and the geometry data is exported. How do I add the labels of the ...
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907 views

export from .shp to .gpx and .kml fails

I've just upgraded to QGIS Dufour and I am having some problems with the exportation of a simple track from .shp to .gpx and .kml format. I imported from mi smartphone a .gpx track (SR WGS84 EPSG:4326)...
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105 views

Merge (a lot of) features using QGIS or other open source

I have one shape-file with a lot of features (polygons) and if I try to merge these into one big polygon in QGIS it takes days to complete the merge. So I wonder if there is another way? I saw this ...
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140 views

Why does a shapefile shift after transformation?

I have a shapefile created in the raster package (ER_14.3_2000_poly). > #read in a raster file > ER_14.3_2000<-raster('E:/Ecoregions Models/Outputs/ER_14.3/ER_14.3_ConsensusMap3.asc') > ...
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253 views

Help in GRASS/QGIS/Python

I have Idea about ArcGIS, and a bit of QGIS and zero programming knowledge, which I am trying for thesedays. I saw GRASS GIS and have started working with shapefiles, which are not being loaded... :( ...
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98 views

Can't read shapefile in Python

I'm trying to read in a shapefile and keep getting a File Not Found error and this exception: ShapefileException: Unable to open /Users/name/Documents/shapefile.shp Here's what I've got: import ...
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1answer
268 views

IDW Interpolation in QGIS gives weird values

I'm trying to do an IDW interpolation with QGIS tool. But i'm really surprised by results. Interpolation values aren't similar as shape values. I used a power of 0.2 to get a smooth raster. Somebody ...
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1answer
83 views

Combining postal codes into sales territories by value using R and ggplot2?

I have the shapefile for Canadian census subdivisions. For each subdivision I calculated some value (someValue). I want to combine census subdivisions into territories in such a way that territories ...
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1answer
863 views

How I can convert mbtiles to shapefiles

I downloaded from OpenStreetMap country victor data with (mbtiles) format from this website: Openmaptiles I need to know how I can convert this file to shapefiles so I can use it in ArcMap.
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30 views

Seeking polygons that map out land zone type (ie Residential, Industrial, Commercial) in UK?

I'm looking at displaying the commercial and industrial areas of the UK on QGIS so that I can do some work on them. I'm not looking to add my own data to it, merely find a shapefile or geopackage or ...
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35 views

Seeking Boston shapefile 1630?

I found this map on Reddit and was curious if anyone knows how it was made. https://www.reddit.com/r/boston/comments/2xu9ix/modern_map_of_boston_compared_to_original_1630/ I think I could make it ...
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367 views

Hand-held GPS to which I can upload imagery and shapefiles?

We've been struggling with Garmins. We can upload imagery and data using a phython script to create a KMZ file then drop it onto the GPS. It kind of works (much better on the newest units, barely on ...
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49 views

Seeking shapefiles of world in pre-WW2?

I'm in search for shapefiles that show all countries of the world as they looked like in the early 1930s, somewhen between WW1 and WW2. I have some for Europe for the different years of the 20th ...
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168 views

Seeking shapefile of all Hawaiian volcanoes?

I have downloaded a shapefile of volcanoes all over the world, but when zoomed in to Hawaii, not all of the volcanoes are displayed. I have been searching but I can't seem to find a shapefile of all ...