shapefile

Extract centroid of shape file object in R?

Extract centroid of shape file object in R?
I have a shape file, uploaded at the following path:https://drive.google.com/open?id=0B1ITb_7lHh1EUFVfVWc4ekRfSncI imported the data using the "read.shapefiles" function in "shapefiles" package:landuse<- read.shapefile("landuse

what is the exact path name to a folder inside assets file? (android)

what is the exact path name to a folder inside assets file? (android)
I have a couple ShapeFiles saved inside of it's own "shapeFiles" folder under the assets folder in my android project (using eclipse). I'm trying to access these files, but I just can't seem to get the right path...I'm guessing cause It's runnin

How to append a shp file to modify map boundaries?

How to append a shp file to modify map boundaries?
Thanks to suggestions from @AriBFriedman and @PaulHiemstra and subsequently figuring out how to merge .shp files, I have managed to produce the following map using the following code and data:Data:MoroccoandWestern SaharaCode:# Loading administrative

geokettle shapefile input transformation not generation row numbers

geokettle shapefile input transformation not generation row numbers
Does anyone know why, on GeoKettle, the 'Shapefile File Input Step' is not generating the row number? How can I do a around? With the 'Add Sequence' step?This is all happening on a transformation.TksAfter some amount of digging on the inners of this,

How to know if topojson is installed and working normally?

How to know if topojson is installed and working normally?
How to know if topojson is well installed and working normally?An example tiny file to convert will be appreciate. with both the source and expected resultIf you haven't stumbled across this yet I found it to be a great walkthrough of the entire proc

Read only data slot from shapefile (R)?

Read only data slot from shapefile (R)?
I have some very large shapefiles. I can read them intoSpatialPolygonsDataFrame's using thergdalfunctionreadOGR, but it takes a very long time for each file. I am actually only interested in thedata.framethat shows up in [email protected] Is there any wa

open “shape” attribute in mysql database

open “shape” attribute in mysql database
I am doing a road network project. I want to obtain each segment's GPS coordination. I just converted shape file data to mysql database and there is an attribute calledSHAPEand it is "geometry" type. I tried toselect SHAPE from tableand the outp

Changing/adding spatial boundaries/polygon shapefile R

Changing/adding spatial boundaries/polygon shapefile R
I'm dealing with an Afghanistan shapefile which contains all of the provinces. I ultimately want to plot some data by regional command, which each contain several provinces (this is what I'm talking about:http://en.wikipedia.org/wiki/File:Afghanistan

Adding custom Feature attributes to ESRI Shapefile with Python

Adding custom Feature attributes to ESRI Shapefile with Python
I am seeking a way to take an existing ESRI Shapefile that has a Feature set of 200 countries. Each country Feature has an attribute of "NAME." My objective is to create a Python script that adds an arbitrary (for now) additional attribute, say,

From a shapefile with polygons/areas, and points (lat,lon), figure out which polygon/area each point belongs to? In R

From a shapefile with polygons/areas, and points (lat,lon), figure out which polygon/area each point belongs to? In R
I am trying to identify which polygon (ZCTA... aka Zip Code analogue) a given point belongs in, given a set of points and a shapefile. While there are several questions of this type out there, nearly all seem to refer me toward QGIS. While I'll go an

MapServer: Help adding data and setting up WMS

MapServer: Help adding data and setting up WMS
I am trying to use MapServer to set up and run a WMS server hosting data that I have in a set of shapefiles.I have started by installing MS4W (since I thought it would be simple) and have downloaded the british_isles.shp.zip form here:http://download

Combining SpatialPolygonsDataFrame of two neighbour countries

Combining SpatialPolygonsDataFrame of two neighbour countries
I want to combine theSpatialPolygonsDataFrameof two neighbour countries like Pakistan and India. My MWE is below:library(raster) Pakistan.adm1.spdf <- getData( "GADM" , country = "Pakistan" , level = 1 ) India.adm1.spdf <- getDat

Select certain indices when plotting shapefiles

Select certain indices when plotting shapefiles
My problemThe shapefile xxx contain serval polygons, and I want to plot part of it.So, I typed:## reading the xxx.shp map.readshapefile('xxx','xxx',zorder =1,) patches=[] ## generating the indice which mean I want to plot these polygon. indice = [int

How to export WKT from a Shapefile in c#?

How to export WKT from a Shapefile in c#?
I have aShapefilethat contains several thousand polygons.I need to read from this file in C# and output a list ofWKT formattedstrings.I looked atDotSpatialand the"CatFood" ESRI Shapefile Reader. I can get either to load the shapefile just fine,

plot shapefile in python

plot shapefile in python
I have a couple shape files that I want to plot somescatterplotdata on top of that.Does anyone have a way to load a shape file then plot it? I've followed a couple of tutorials, but have not been successful so far.The shape file, I am trying to use i

How can I convert a projection that's not part of spatial_ref_sys?

How can I convert a projection that's not part of spatial_ref_sys?
I'm importing shapefiles into a Postgres+PostGIS database.Here's my usual procedure:* Find an srid in the spatial_ref_sys table where srtext appears to match the shapefile's .prj file* Upload the data into a new table using the shp2pgsql utility, spe

Adding extra data column to shapefile using convert.to.shapefile in R's shapefiles package

Adding extra data column to shapefile using convert.to.shapefile in R's shapefiles package
My goal is very simple, namely to add 1 column of statistical data to a shapefile so that I can use it for example to colour a geographical area. The data are a country file from gadm. To this end I usually use the foreign package in R thus:library(f

Converting shapefile to raster

Converting shapefile to raster
I'm having an issue rasterizing a shapefile to produce points on a 0.5*0.5 grid. The shapefile represents classifications of risk level (Low-0, Medium-100, High-1000, Very High-1500) of global coral reefs to integrated threats.I pulled the code from

How can I eliminate some areas by attribute from a shapefile in R and create a new shapefile?

How can I eliminate some areas by attribute from a shapefile in R and create a new shapefile?
I have been at this for a while now and have had some success, however when it comes to rewriting the file, I have had none.The shapefile I am working with is a polygon shapefile of metro and micropolitan areas but I am not interested in the micropol
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