INSERT OVERWRITE statements to HDFS filesystem directories are the best way to extract large amounts of data from Hive. To do this we need the following arguments: the name of the spatial object (plot. For testing purposes, it's fun to create and save a layer using the geojson. For example as part of one of our analytics. If you have Tableau Desktop version 10. The shapefile function in the raster package is very convienent in that it can both read a shapefile into R but it can also write a SpatialPoints or other spatial object classes (lines, polygons, etc. R_Dicas irá proporcionar scripts funcionais todos os dias Todos os scripts estão inseridos ou ligados. Unlike R, however, Stata can only work with data in the shapefile or MapInfo formats, so you will need to convert your data to one of these two formats before uploading. The first argument is the path for the location of the ArcGIS project you wish to write your new. Sorry flashback to my days as at GA at TTU. dbf extension - see write. shp file and related files. We are using a very popular dataset of London sports participation shapefile ( download here ). In this article we will perform a very common transformation, taking non-spatial (tabular) data in a CSV file (*. Digital files of the Present-Day plate boundaries are available below:. 2 and later. UK grid overlaid on latitude and longitude grid. One of the issues with just using those is that I can create a 1500×1500 plot with nice axes but the points (circles in this case) will not adjust to my large canvas (as I’m aware of – although it would be an awesome R-feature if we could specify text size as npc). Sign in and start exploring all the free, organizational tools for your email. file extensions). Developed by Esri, shapefiles are now an open format and is a popular option for data transfer. The first argument is the path for the location of the ArcGIS project you wish to write your new. shpf = shapefile. Digital files of the Present-Day plate boundaries are available below:. Click-on the Add Data icon on the Standard Toolbar in ArcMap. ESRI ASCII Raster File Import And Export Description. Oh did I mention Planning?. For example, I first downloaded the 110m-resolution "States and Provinces" shapefiles from Natural Earth, unpacking them to ~/scratch/ne_110m_admin_1_states_provinces. Data Carpentry develops and teaches workshops on the fundamental data skills needed to conduct research. With a little research and some fancy coordinate transformations, you can use Tableau to draw alternate map projections. In a desktop GIS, this can be a fiddly, multi-step process and so it's ripe for automation with some R code. The inputs to this function are a simple data frame of points (for points, polyLines, or polygons) and a data frame representing the dbf file. england_oa_2001: r = shapefile. The datasets we read in here are from Stata, so we will be using the foreign package. 'almost_equals area array_interface array_interface_base boundary bounds buffer centroid contains convex_hull coords covers crosses ctypes difference disjoint distance empty envelope equals equals_exact geom_type geometryType has_z impl interpolate intersection intersects is_closed is_empty is_ring is_simple is_valid length overlaps project relate relate_pattern representative_point simplify. The shapefile function in the raster package is very convenient in that it can both read a shapefile into R but it can also write a SpatialPolygons or other spatial object classes (lines, polygons, etc. Read a shapefile and display its metadata. The Indian Health Service (IHS), an agency within the Department of Health and Human Services, is responsible for providing federal health services to American Indians and Alaska Natives. Hi all, How to open shapefile in R, and see the attributes like in ArcMap? My ArcMap has crashed so I decided to use R. There is a second kind of cursor that can be used at version 10. Using PyShp create a Reader object to access the data from the Ireland_LA Shapefile. We also described different ways for reading and writing Excel files in R. Connect NCDOT Home Bringing Business and Government together with online collaboration. For backward compatibility: write a 3-dimensional shape file when dumping from old (pre-1. frame object to be used for mapping purposes. The library assumes that all shp, sbf and shx files will exist with this given name; The second parameter is a name to access later to the shapefile information from the Basemap instance, as we will show later; There are some restrictions:. Write simple features object to file or database data source `/tmp/Rtmp8xWv62/nc. Geographic information systems (GIS) help us plan, react to, and understand changes in our physical, political, economic, and cultural landscapes. gz writes an asc object to a ESRI ArcInfo ASCII raster file. -d For backward compatibility: write a 3-dimensional shape file when dumping from old (pre-1. for sr in shape_records: # Get our. Pandas DataFrame objects are comparable to Excel spreadsheet or a relational database table. Therefore it makes a great medium for exchanging large quantities of data. The purpose of this page is to define a Letter of Map Revision (LOMR), a commonly used term in floodplain management. The code is working. dbf extension - see write. Writing Your Graphs to a PDF File; Overview of Writing Graphs to a PDF File; Specifying Fonts; Creating an Archivable PDF File; Changing the Page Layout; Adding Metadata to Your PDF File; Adding Bookmarks for Your Graphs; Adding Drill-Down Graphs in Your PDF File; Changing the Default Compression Level for Your PDF File; Examples: Writing Graphs to a PDF File. Design Your Own Database Concept to Implementation or How to Design a Database Without Touching a Computer The following is an aggregation of several online resources with a bit of personal insight and experience thrown in for good measure. How to create a filled maps in tableau using combinations of Counties and states in US. Beyond this, you might be interested in writing your dataset to a shapefile or GeoJSON for use in external GIS or visualization applications. Welcome to first direct, we can help you with services including Online Banking, Insurances, Credit Cards, Loans, Mortgages, Investments and Sharedealing. Shapefiles often contain large features with a lot of associated data and historically have been used in GIS desktop applications such as ArcMap. Inspects each feature's geometry for problems and fixes the problems that are found. It is important to know how to work with shapefiles in R to access incredible functionality and analytic ability--much of which is unavailable in many GIS software packages. Open the exported shapefile database (DBF file extension). This is a basic introduction to some of the basic plotting commands. Esri Shapefile Reader/Writer. Thanks to the work of an active group of developers, QGIS provides geoprocessing modules similar to standard tools found in privative GIS, supports most of. One of the issues with just using those is that I can create a 1500×1500 plot with nice axes but the points (circles in this case) will not adjust to my large canvas (as I’m aware of – although it would be an awesome R-feature if we could specify text size as npc). Saving a spatial point object into a shapefile. See Geoprocessing considerations for shapefile output for more information. Adding a shapefile or feature class The following exercise leads you through the steps of adding a shapefile containing fixed-time data from disk. D Loading ESRI Shapefiles into Spatial. ) XlsxWriter. While the Census Bureau is normally the go-to resource for shapefiles, the NYC Department of Planning version already has the water areas clipped, so it is much neater. The result would be a nearest neighbor from the same layer instead of a different layer as we have used here. This Quick Start describes how to: GDAL. dbf extension - see write. Skip to content. spbalance. character object to be written to the shapefile. Shapefiles: files that represent individual geographic features as points, lines, or areas in conjunction with attributes that describe the features. It is important to note that Python strings can have binary data and not just text. shapefile of US lower states). Free really means Free with an uppercase F. We also described different ways for reading and writing Excel files in R. A data frame of data from the DBF file; note that the field names are adjusted to use in R using make. Do not drop the gid field, or escape column names. These data were obtained from ESRI's Geography Network in ArcView Shapefile format. For the Output Feature Class name, type School_Court_A. The term "shapefile" applies to a set of related files. Mapshaper is an editor for map data. We can write an R spatial object to a shapefile using the writeOGR function in rgdal. There are also some Bayesian models, some achievements with R-shiny and other things to share… Some scripts are supplemental material for my scientific. The USGS Geo Data Portal is designed to perform web-service processing on large gridded datasets. sbn" "Income_schooling. Read or write a shapefile. Whatever is on the left of the <- sign “gets” whatever is on the right. This work is licensed under a Creative Commons Attribution-ShareAlike 4. This is not optimal but still better than the shapefile option. This is a brief write-up to document how I am using IPUMS data with PostgreSQL, R, and dplyr. Unfortunately, it can also have a steep learning curve. Selecting a Portion of Shapefile. tiff, or geojson) or in spatial databases (e. Using sf to write. Sazid Ibna Zaman Data Manager & GIS Specialist MEEM Project MORU & NMCP 2. If for whatever reason you want to go in the opposite direction there is also an extension method in Itinero. Having opened the output file for writing in line 7, the dump() method stores the basic list in the file using the JSON notation. to_file() -function:. CSV to Shapefile conversion with Pandas, Fiona and Shapely. Most spreadsheets and databases can both read and write CSV files. It is better to store spatial data in widely used files (e. Reader(shp_folder + "Ireland_LA. A Minimal Ray Tracer. Drag the file from Catalog to the Table of Contents of your ArcMap project. Navigate to the location of the shapefile within the folder connection. 2017 #FMEUC Lifetime Achievement Award Winner, @GeoHipster Interviewee, endorsed by @flippmoke, leading #TeamShapefile. I recommend you read my newer tutorial, Command-Line Cartography, instead! In this tutorial, I’ll cover how to make a modest map from scratch using D3 and TopoJSON. england_oa_2001: r = shapefile. This is an example of a case where, because of a well-written package for R, it’s easy for the user to create interactive web maps directly from R, without even knowing any Javascript! I had three requirements for myself: Write code that created an interactive web map using Leaflet; Use Shapefile data about the City of Toronto. Let’s put it through its paces with a complex, real-world problem. Shape to write a routerdb as a shapefile. In some cases, nulls are stored as very large negative values in shapefiles. mail items must be addressed to a specific individual, organization or company name (the addressee). Where to find spatial files. Import CSV data and convert to polygon shapefile. A CSV file (with same name as shapefile) will be created within the input shapefile folder, in this file all attributes and extracted data will be written. It's called ESRI Shapefile Reader from CodePlex. The library assumes that all shp, sbf and shx files will exist with this given name; The second parameter is a name to access later to the shapefile information from the Basemap instance, as we will show later; There are some restrictions:. When using igraph to do network analysis- computing closeness for road network, I confront these problems. Starting from postgis-1. The first package to provide classes and methods for spatial data types in R is called sp 1. Syncfusion provides the best third-party UI components for WinForms, WPF, ASP. Hi, Sorry i have put such a detailed question to the list about writing a shapefile with projection. Various aesthetics parameters can be set via colour, alpha, size, shape argumen. by Andy South. Matthew Ingram 9,621 views. Because shapefiles write quickly, they are often used to write intermediate data in models, since this makes for faster model execution. 3, is based the statistical language R-3. The XML Schema Definition Tool can convert XDR, XML, and XSD files to a serializable class or dataset, like the C# class. dbf at a minimum. Quick import. So the first parameter with the open method is pointFilePath, which we created in line 7. Within R, read vector ESRI Shape Files and a raster GeoTIFF file into R Spatial objects, then create Keyhole Markup Language (KML) files for display in GoogleMaps / Google Earth. Similar syntax for Writing a shapefile: # write to current directory: x:/trees2. Inspects each feature's geometry for problems and fixes the problems that are found. Here are some reasons why Shapefile is so heavily used: Shapefile is by far the most widely supported format in existing software packages. We can write an R spatial object to a shapefile using the writeOGR function in rgdal. Get free live currency rates, tools, and analysis using the most accurate data. In most cases, these interfaces will use the HTTP protocol. The Shapefile format is a popular Geographic Information System vector data format created by Esri. This example demonstrates use of several different R packages that provide functions for reading and/or writing shapefiles. The current release, Microsoft R Open 3. Use ggplot to plot the shapefile. , two files are opened and combined when shapefile() is used (both files are in the same folder). The bulk of the geospatial/GISci analysis tools are contained in the following packages: maptools reading and writing spatial data, particularly shapefiles; sp manipulating data in one of the Spatial Data classes; rgdal R "bindings" to GDAL (Geospatial Data Abstraction Layer) rgeos R interface to the GEOS "geometry engine" (overlays, etc. Starting from postgis-1. You can create multiple layers (blank or import shapefiles) in your project, mark multiple points at different locations on a map and name them, create paths among points, etc. Drag the file from Catalog to the Table of Contents of your ArcMap project. I created this website for both current R users, and experienced users of other statistical packages (e. The first package to provide classes and methods for spatial data types in R is called sp 1. Sign in and start exploring all the free, organizational tools for your email. We're just going to read this file. Many R packages can read and write spatial data. locationsSp_HARV) the directory where we want to save our shapefile (to use current = getwd() or you can specify a different path). How to read a shapefile : We will use the maptools package to read the shape file. Writing to file geodatabases requires the ArcPy site-package. Conversely, when writing aggregates of lines or polygons, FME will output multi-part polyline and polygon shapefile features. The Shapefile format is a popular Geographic Information System vector data format created by Esri. There are 3 key files associated with any and all shapefiles:. use the MODIS reprojection tool (https://lpdaac. dbf files of some of the locations, but i donot have any idea how to use these files. Demonstration of how to read and write ESRI Shapefiles in R, including points, lines, and polygons. *shp") ### Read in the raster image. We can write an R spatial object to a shapefile using the writeOGR function in rgdal. It comes with a robust programming environment that includes tools for data analysis, data visualization, statistics, high-performance. Digital files of the Present-Day plate boundaries are available below:. A shapefile is the most common geographic file type that you will most likely encounter. Wrapper on sf::st_write for writing an sf or sp object to disk as an ESRI shapefile. So the next questions are: where do the. - Wikipedia. Download Costal Shapefiles of Coastal Marshlands, Georgia Shorelines, and Gray's Reef National Marine Sanctuary. shp writeOGR(trees, dsn=". For backward compatibility: write a 3-dimensional shape file when dumping from old (pre-1. Sections of this page. Use the links below to download the shapefiles and to view the metadata for New York City Political, Administrative and Census geographies. This function creates an ESRI shapefile of type point, polyline, or polygon as determined by the class of argument sp. In line 11, we open up that text file that has the points. Reading and writing of "ESRI shapefile" format spatial data. Shapefile is a proprietary but open format for geo-spatial data with vector geometry. Shapefile Structure. FAQ: How do I export a layer to a shapefile in ArcMap? Question. What follows will serve as a step-by-step quick-start guide for creating a QGIS map of the ancient Mediterranean using the open-access shapefiles found at the Ancient World Mapping Center. Saving a spatial point object into a shapefile which is worse > than the correct approach which is writing. Writing Your Graphs to a PDF File; Overview of Writing Graphs to a PDF File; Specifying Fonts; Creating an Archivable PDF File; Changing the Page Layout; Adding Metadata to Your PDF File; Adding Bookmarks for Your Graphs; Adding Drill-Down Graphs in Your PDF File; Changing the Default Compression Level for Your PDF File; Examples: Writing Graphs to a PDF File. Getting geopandas (the equivalent of R’s rgdal) to run on Python 3. It is important to note that Python strings can have binary data and not just text. The Extract Data tool gives you many options when exporting data, including the option to export features that are in a study area you define. This Quick Start is divided into two parts: GDAL (raster data) and OGR (vector data). Starting from postgis-1. Shapefile Technical Description Computer programs can be created to read or write shapefiles using the technical specification in this section. I tried some ways: writeOGR(simplyshape,. By default, Stata for Windows uses the c:\ado directory for user-written ado files. I tend to use these partly becuase of my own sordid past with Arc/INFO, ArcView and ArcGIS and partly due to their ubiquity. 0+, dimensions are fully encoded. There is a second kind of cursor that can be used at version 10. Meaning, I don't want to fill the complete state by all counties in the state. The inputs to this function are a simple data frame of points (for points, polyLines, or polygons) and a data frame representing the dbf file. The ArcGIS API for Python installs on all macOS and Linux machines, as well as those Windows machines not using Python interpreters that have access to ArcPy will only be able to write out to shapefile format with the to_featureclass method. These shapefiles will normally include some geographic attribute data such as names and id codes, but are mostly data-less. Provides a comprehensive reference to all the features and options available with SAS/GRAPH software. Python create shapefile line by txt file. Shapefiles •In the left hand box, click the button and navigate to the directory containing the shape file. I had first tried Shape2Sql, but it is closed source and for some reason would not import when I had Create Spatial Index checked. Posted on April 18, 2014 by seenhzj. We are using a very popular dataset of London sports participation shapefile ( download here ). Download this eBook for free Chapters. Pandas DataFrame objects are comparable to Excel spreadsheet or a relational database table. And that means we're opening it in read mode. For some of our projects we needed to handle geo-spatial processing. Now that we know how to get a super basic map in R, let's look at how we can export and import data. The minimum shape file set for read consists of a. That is, the drawing of shapes and colors can be. ), a outline shapefile for the study area, and distance matrix. Note: This article was written in 2012 and uses old versions of D3 and TopoJSON. shp") Create a Writer object to write data to as a new Shapefile. In the previous post, I outlined how to get PostgreSQL/PostGIS set up on a Mac and how to get R talking to PostgreSQL. I think write. Using the NetTopologySuite to read and write Shapefiles in C# I was looking for a. Connecting to spatial data is supported in Tableau Desktop version 10. The Shapefile format contains vector and attribute information. Export shapefile- After performing operations/editing (draw any thing on that shapefile ) i want to create duplicate shapefile as i clicked on export button. Combining ArcGIS and R - Clustering Toolbox Last year at the ESRI User Conference in San Diego, there was an announcement of an initiative to bridge ArcGIS and R. FAQ: How do I export a layer to a shapefile in ArcMap? Question. Along with the maptools package, install the rgeos and sp packages. This is where QGIS, which allows you to create and utilize your own basemaps from open-access shapefiles (among its other helpful aspects), comes in handy. In this blog we will look at some of the libraries and demonstrate few basic functionalities. frame that is set up in R environment (after running shapefile()) is composed of the polygon shapes (. Writing a Shapefile¶ Writing a new Shapefile is also something that is needed frequently. Sign in and start exploring all the free, organizational tools for your email. The only supported vector format is the ESRI Shapefile. Firstly, the shapefile is imported into R using the “readOGR” method and then the projection needs to be transformed such that it matches the format of the latitude and longitude co-ordinates I have in the crime data set I curated. shx: the file that indexes the. When you import a shapefile, the. The readShapeLines() function from maptools reads in the shape file. A few of the ones listed here are just some of the more common forms I run across frequently, but this is by no means an exhaustive list. i did some edits and add some new features. The rgdal package in R provides bindings to the popular Geospatial Data Abstraction Library (GDAL) for reading, writing and converting between spatial formats. We're not going to write anything into it. ArcMap can write new data to either a shapefile or geodatabase. Welcome to the Python GDAL/OGR Cookbook!¶ This cookbook has simple code snippets on how to use the Python GDAL/OGR API. The OGR toolkit is a subset of GDAL project. In the examples below the data frame is called “data”. For example as part of one of our analytics. If you want to visualize the results, you can use one of the Desktop GIS Software applications on OSGeoLive like QGIS. Once you have the packages installed, you should be able to run R, from the Processing Toolbox. NetworkX is a Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks. PyShp can write just one of the component files such as the shp or dbf file without writing the others. The sp package. The readShapeLines() function from maptools reads in the shape file. This proved to be the trickiest part of this project and took a large amount of Googling to work it out. Of course, working with spatial data in an open source environment is always good!. gz writes an asc object to a ESRI ArcInfo ASCII raster file. Now that we have installed all the necessary packages we have to link the directory of the QGIS applications to our current RStudio workspace. , and Lawver, L. I realized that if i use writeOGR from rgdal and not the other write shapefile functions i can get a shapefile with projection recognized by ArcGIS. It is unlikely the client is looking for everything you have. The write() Method. Meaning, I don't want to fill the complete state by all counties in the state. Demonstration of how to read and write ESRI Shapefiles in R, including points, lines, and polygons. Load point, line, and polygon shapefiles into R. *shp") ### Read in the raster image. x and my OS X machine was a long enough journey that I wrote a separate iPython notebook about it. Hi, Sorry i have put such a detailed question to the list about writing a shapefile with projection. Here we use R and RStudio to read in a spatial data file (as a SHP file), read in a contiguity (GAL) file created in GeoDa, create the same queen contiguity matrix in R and check that the two are. In any event I have found the R package, rgdal, indespensible for this. Read or write a shapefile. The Shapefile format is a popular Geographic Information System vector data format created by Esri. Reading and Writing Shapefiles - Duration: 25:34. I am trying to input shapefile data(line and vertex), the R. Lets start with reading a shapefile. NetworkX is a Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks. The shape file sits on my local machine. 3, you can read and write “windows” of raster files. raster, field=value, filename=label) which will set all cells inside polygons to the specified value and write the raster to a file with the format inferred from the file extension. asc and read. The shapefile format is now a common format for storing vector GIS data. R_Dicas irá proporcionar scripts funcionais todos os dias Todos os scripts estão inseridos ou ligados. import shapefile: import pngcanvas # Open shapefile with Python Shapefile Library: shapefile_name = ' REPLACE_WITH_SHAPEFILE_NAME ' # e. Sign in and start exploring all the free, organizational tools for your email. I want to calculate the area for every polygon. Import CSV data and convert to polygon shapefile. The Esri ® Shapefile Reader and Writer module allows FME to read and write Esri's shapefile format. This function creates the dbf file of an ESRI shapefile. INSERT OVERWRITE statements to HDFS filesystem directories are the best way to extract large amounts of data from Hive. For many use cases, it is good enough. Tools or other procedures that create shapefiles from nonshapefile inputs may store or interpret null values as zero. We can then use the updated spatial transform and raster height and width to write the masked raster to a new. dbf data types. Firstly, the shapefile is imported into R using the “readOGR” method and then the projection needs to be transformed such that it matches the format of the latitude and longitude co-ordinates I have in the crime data set I curated. Processing GeoData Files using QGis functions in Matlab It's always really useful to streamline your workflow, so that the processes can be seamless and efficient. 3, is based the statistical language R-3. We use that later when we start creating geometries. Data formats include downloadable shapefiles, web services, KML files and our basemaps in shapefile format. Where to find spatial files. Syncfusion provides the best third-party UI components for WinForms, WPF, ASP. In a desktop GIS, this can be a fiddly, multi-step process and so it's ripe for automation with some R code. Navigate to the folder where you exported your shapefile of selected building footprints, and open the file with the. ESRI provided technical description of the Shapefile files which describes very clearly about the format of storage of data in all three formats i. While the Shapefile format is extremely common, it does have certain limitations for vector representation. Writing to file geodatabases requires the ArcPy site-package. cd <- st_read('congressional_districts. Reader(shapefile_name) # Determine bounding box x and y distances and then calculate an xyratio # that can be used to determine the size of the generated PNG file. 1BestCsharp blog 5,526,339 views. University of Texas Institute for Geophysics Technical Report No. (Do not say "I have a shapefile in R", say "I have a SpatVector of polygons in R" ("created from a shapefile"). Developed by Esri, shapefiles are now an open format and is a popular option for data transfer. In line 4 the basic list is defined. The purpose of this page is to define a Letter of Map Revision (LOMR), a commonly used term in floodplain management. They come from the R programming language and are the most important data object in the Python pandas library. When you import a shapefile, the. Access the attributes of a spatial object in R. dta so I can then open this file in stata. Firstly, the shapefile is imported into R using the “readOGR” method and then the projection needs to be transformed such that it matches the format of the latitude and longitude co-ordinates I have in the crime data set I curated. The original DBASE format limited character fields to 254 bytes. So to conclude: Geopackage is a convenient and lightweight geospatial data storage format; It’s mature and fully operable with the common GIS tools (QGIS, ArcGIS, R. CreateLayer('test', geom_type=ogr. Welcome to first direct, we can help you with services including Online Banking, Insurances, Credit Cards, Loans, Mortgages, Investments and Sharedealing. Free really means Free with an uppercase F. I realized that if i use writeOGR from rgdal and not the other write shapefile functions i can get a shapefile with projection recognized by ArcGIS. We use the file. PyShp tries to be as flexible as possible when writing shapefiles while maintaining some degree of automatic validation to make sure you don't accidentally write an invalid file. There is a second kind of cursor that can be used at version 10. org) to read common and uncommon file formats into sp objects. They come from the R programming language and are the most important data object in the Python pandas library. Any resident of Santa Rosa County who would like to be considered for appointment, should complete the online application. wgs_shp = shapefile. Starting from postgis-1. One of the more common ways that I read vector data into R is via shapefiles. Crop a raster dataset in R using a vector extent object derived from a shapefile. There is an attribute "data_type" giving the single-character dBase types for each field. edu 9:30-12:30 January 31, 2013 This class was originally developed by David. Build a complete and sophisticated mapping application from scratch using Python tools for GIS development Shapely is a very capable library for performing various calculations on geo-spatial data. Let's select 50 first rows of the input data and write those into a new Shapefile by first selecting the data using index slicing and then write the selection into a Shapefile with gpd. > Hi, > > Sorry i have put such a detailed question to the list about writing a shapefile with projection. This format was developed by Environmental Systems Research Institure (ESRI), world's largest GIS (Geographic Information Systems) software developer. Load point, line, and polygon shapefiles into R. GDAL is available on many operating systems including Linux, Unix, Mac, and Windows. Survey Design Options. Getting geopandas (the equivalent of R’s rgdal) to run on Python 3. I hope this is useful to someone. More details can be found on the Wikipedia page as summarized in the picture below, also on the ' Shapefile Technical Description ' document. Due to the sp and rgdal packages in R you can manipulate shapefiles directly in R:. shp) that is un-projected. i have the shape file with. Writer(shapefile. It implements the following OpenGIS specifications: Simple Features specification, Coordinate Transformation Services. HAPEFILE TO THE.