Add Attributes To Shapefile R

How it works. Mastering QGIS is designed to bring users who want to go beyond the basics of QGIS to an advanced level of QGIS expertise. The following procedure to add GPS points to a shapefile works best if you have only a few coordinates to add individually: Open ArcMap and add the feature class or shapefile in which you would like to add GPS coordinate information. crs() is now just layer. This example shows how to import Shapefiles into AutoCAD using Spatial Manager™ for AutoCAD. To join a table with this shapefile, we need a unique and common attribute for each feature. Adding a single observation. Click on the Add Writer and in the Add Writer dialog box, for the Format, select Esri Shapefile. Even though all items are assigned to a category by your data supplier, those designations are somewhat arbitrary and may not be how your company likes to. You can declare a layout in two ways: The Android framework gives you the flexibility to use either or both of these methods for declaring and managing…. – No such thing as a multivalued attribute in relational model • For multivalued attribute M in entity-set E – Create a relation schema R to store M, with attribute A corresponding to M • A is single-valued version of M – Attributes of R are: A (primary_key(E) – Primary key of R includes all attributes of R. These shapefiles will be updated every shakeup in tandem with the Bus Line shapefiles. The new layer nyc_borough_join would have the features from nybb layer along with spatially joined attributes from OEM_NursingHomes_001 layer. Once the area and perimeter attributes are added, you could. The name and data typeof an existing field can't be modified; instead, you must add a new field with the appropriate name and data type. You can't upload your own shape files to PowerBI, that. You can also change the coordinate system (the default is the set coordinate system of your QGIS file) and add any attribute fields you want. Considerations for adding and publishing shapefiles. Selection > Select by Location. 82 MB) version 4. Note some survey markers installed by other organizations may not be available through NGS. Once you have added the shapefile, make the Editor toolbar visible (choose Tools-Editor Toolbar). Available in different lug patterns, this tough rim ships free. Open Shapefiles, Shapefiles (. View and edit attribute data for features using the Data Table. Open ArcMap. Or you can always use the ADD VECTOR layer tool to add your new Shapefile (jm_places. If you want to add resources to the list of available enterprise resources, you must import the resources. Each row in the spreadsheet has a set of columns associated with it that describe the row element. They form one of the mechanisms R uses to define specific object types like dates, time series, and so on. Shapefiles cannot be added to the project Databases folder but must be stored in the project folder or a folder connection. Use ggplot to plot the shapefile. Join GitHub today. To fix this mapping is easy, just connect the attributes by clicking the yellow triangle on num_mesaures and dragging the line to the red triangle on num_measur, they should both turn green. QGIS - Labeling a shapefile layer using two or more attributes information Hello there, There may be a situation whereby you want to display more than one attribute information or label of the shapefile map canvas you are working on. In order to complete work on time- I prefer to create a concrete and tangible plan for doing so. Import Shapefile to R Spatial Data Frame. The TIGER/Line Shapefiles are an extract of all geographic areas for which the Census Bureau tabulates data and a selected set of attributes associated with each geographic feature. The shape property is usually used to get the current shape of an array, but may also be used to reshape the array in-place by assigning a tuple of array dimensions to it. When Windows presents a directory as a folder within the GUI, the +r flag is only used to determine whether that folder has been customized or not, e. Coerce all integers to standard 32-bit integers, do not create 64-bit bigints, even if the DBF header signature appears to warrant it. How to Export a Shapefile Table to Excel Spreadsheet in ArcGIS If you use ArcGIS 10. You will be presented with another dialog box asking you which sheet in this spreadsheet you would like to add. Example Here is a larger example. This form allows you to upload a shapefile and add it to the map as a graphic layer. shp attributes of its dbf table: ID, AREA, COUNTRY, How can I plot a shapefile with only countries above a certain AREA value ?. 0 of the Parks and Protected Lands dataset obtained from naturalearthdata. A shapefile is the most common geographic file type that you will most likely encounter. dbf This file stores the attributes for each shape; it uses the dBase IV format. factor shapefile <- scaleXY(shapefile, scale. Using R to quickly create an interactive online map using the leafletR package Posted on April 11, 2014 by [email protected] Converting a shapefile with attributes to KML without losing attributes General Question Hi all, I'm using QGIS and need to convert a shapefile with attributes to KML to use on Google Maps, but I seem to lose my attributes every time. Use this dataset with care, as several of the borders are disputed. Learn more about how Add Field works. I know how to add/edit attribute data (say population) to shapefile using R. Click the Add Data button ( ) and navigate the location where your file is stored. Now that we have length of each individual line in our layer, we can easily add it all up and find the Total length. Examine the attributes of the tracts shapefile. Hi, For accessibility purposes, I've been able to use jquery to add attributes to certain elements in the markup for my child Divi theme. This is documented step-by-step and hands-on exercise on how to create XY point shapefile for the centers of USA counties (with linked basic demography and FIPS) in ArcMap 10. An ESRI shapefile is actually usually a set of files with different extensions, like. Load the shapefile railroads. Fire Information for Resource Management System Global fire locations and burned area information in shapefile, KML, or WMS formats. ) Select Layer in the menu bar and press Add Vector Layer or select the shortcut icon. The Add Geometry Attribute tool adds new fields and populates them with spatial or geometric characteristics of each feature, such as length, area, or x,y,z coordinates. Saving: Since you are always connected to the data source (local or remote), you can easily get the latest source updates by refreshing the layer. Select the rtmedia-custom-attributes. attributes fields GDAL manipulating OGR open source R read Shapefile write reading shape files in R If I would like to adjust a shape file I normally used the way over an excel file or a text file to get a table and to join this with an existing shape file. ) Open up the installed QGIS. You can overwrite the field values, or delete or rename the fields. You must get all of the files. Add an area or perimeter field to a shapefile or feature class in ArcGIS Desktop Typically, polygon feature classes in ArcGIS already have a length and area field defined. shp), while the “Identity Shapefile” is the source of those attributes (parcel info in this case, so parceltest. Attach a Shape File. The county name is one of the attributes. The attribute fields added by this tool are just like any fields that you can add to a feature layer. select(“this”). With ogr and Fiona it is easier to create a new shapefile, copying the original shapefile (geometry and attributes), and adding new fields with the desired values than modify the original shapefile. Levels Attributes Description. In the Table Of Contents, right-click the shapefile, and open the attribute table. …Let's add some shape files to QGIS. Outlined in this article are the steps to take in order to add X Y coordinates to a field in the attribute table. Adding and removing columns from a data frame Problem. Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. Using R to quickly create an interactive online map using the leafletR package Posted on April 11, 2014 by [email protected] To view or to remove the Read-only or the System attributes of folders, use the Attrib command at a command prompt: 1. ArcGIS 10 - ArcMap - Adding Attributes to Shape Files and Labeling Karl Olsen. csv onto the canvas from Windows Explorer or add a CSV Reader. Note: to export the updated shapefile graphics and database attributes to a shapefile you will need Bentley Map. Alternately, you can use dbfpy to do the above with just the DBF file. What if you want to add the attributes to your map, like the population density of each county, or the name of each state? You will have to do tidy with broom package beforehand: Get the shapefile. mmqgis_merge() add case insensitivity to layer names; mmqgis_merge() add test for type mismatch for attributes with the same name; layer. When I write a shp using st_write(shp1, "myshp. Working with attributes inside SpatialPolygonsDataFrame objects - snippets. To upload your data in Shapefile format you will need the. Then tick Feature Attributes and press Specify button. ) Using shapefiles in Leaflet. This example uses the three functions gsn_add_polyline, gsn_add_polygon, and gsn_add_polymarker to add some primitives to an XY plot. When you are ready to permanently save the changes, click Apply and OK. See more examples of subplots. For the Shapefile Definition, change it to Automatic, this setting will automatically add the new attribute RoadType to the reader. Potlatch 2. Note: The size of the. Two Bus Stop shapefiles are available, each with the same content but organized differently. Read in the bear sightings data and tell R to treat it as a set of spatial points. tool, Selection > Select by Attributes. Open ArcMap: Start > Programs > ArcGIS > ArcMap. com with free online thesaurus, antonyms, and definitions. 15 Easy Solutions To Your Data Frame Problems In R Discover how to create a data frame in R, change column and row names, access values, attach data frames, apply functions and much more. You can overwrite the field values, or delete or rename the fields. # add an area in km^2 to blocks blocks_sf $ area = st_area (blocks_sf) / (1000 * 1000) # calculate population density manually summary (blocks_sf $ POP1990 / blocks_sf $ area). We will also reproject data imported in a shapefile format, and export a shapefile from an R spatial object and plot raster and vector data as layers in the same plot. CSV and the target spatial data layer have the same DATA TYPE for the JOIN FIED, then you can close the Attribute Table and proceed to the Join. Shapefiles can also be imported into geodatabases by clicking the geodatabase and using the Import menu. "update": modify data and layout attributes "animate": start or pause an animation (only available offline) Restyle Buttons. Editing data to update existing attributes or to create new data is a process than can be done in ArcMap. For instance, R is capable of doing wonderful maps such as this or this. How to create new shapefiles and dBASE tables Creating a new shapefile. Click on the 'Add. In this tutorial I will show some basic GIS functionality in R. The geometry for a feature is stored as a shape comprising a set of. You can overwrite the field values, or delete or rename the fields. A shapefile should consist of at least four files:. Another way to update existing feature attributes is to use the Attributes pane. and define the properties and attributes for each feature prior to placing each instance. dbf file (part of the shapefile) in MS Excel. Shiny will treat raw HTML as a character string, adding HTML as text to your UI document. by adding geometry columns to the existing shape file. We will be using free, open-source software and public domain files to make it easy for anyone to follow along. Some other attributes are defined for variables on particular target systems. (While browsing, select either all files or Key Hole Markup language in file type). originally read into R from shapefiles published by the US Census. The first declaration shall specify the visible attribute if any other declaration specifies the visible attribute. Select the Create a new field checkbox to save the calculations into a new field. From the attribute table's View tab in the Selection group, click All to select all the features in the map layer. R will not read points in degrees, minutes, and seconds. The code you provide above is from the Making Field Calculations help from ArcGIS 9. Map Coordinates with QGIS. Shiny apps are often more than just a fixed set of controls that affect a fixed set of outputs. Other attributes facilitate faster map production, such as width attributes assigned to river segments for creating. jar or ojdbc5. A shapefile does not support alias for fields, so you cannot add a field alias to a shapefile. gpkg extension) in QGIS, a lot of datasets are still distributed as shapefiles. In this case, the destination database is prepopulated, and you must browse for— or type the name of—the shapefile. We used them so far in their simplest form, but most of the HTML tags can also have attributes, which are extra bits of information. QGIS is a special spatial tool, which easily operate with GIS data files such as shapefile, kml or geojson. Examples are below. You may want to treat some element instances differently, for example, or you may need to use predefined class names from an existing CSS stylesheet. After the new attributes have been added as part of the shapefile, you can delete the default column if you decide you don't want to use it. Use ggplot2 to plot polygons contained in a shapefile. This example shows how to import Shapefiles into AutoCAD using Spatial Manager™ for AutoCAD. Research Tip: One of my favourite techniques is to add values in the active directory property boxes, then export using CSVDE. In this lesson you will create the same maps, however instead you will use ggplot(). A data function that converts an imported shapefile from one coordinate reference system to another, using PROJ. dbf, then allows @mdsummer to add a field to the table as an additional attribute. Since the information is stored in vector coordinates, it is relatively simple to add features to a GIS shapefile. Thus Hybris can't find "customerNumber" attribute in target. Once you have found your table, click Add to select the table and sheet. Working with feature classes The feature class is one of the most commonly used data sources. Task: check the output Shapefile in QGIS and make sure that the attribute table seems correct. shapewrite( S , filename ,'DbfSpec', dbfspec ) writes a shapefile in which the content and layout of the DBF file is controlled by dbfspec , a DBF specification. This is really useful when combined with the shp2raster function as it means that we only need to convert the parts of the shapefile that we are actually interested in. This example shows how to add several lines to a plot, and how to make sure every call to gsn_add_polyline is returned to a unique variable using an array. The final output shapefile is specified under “File to Save Results. *Tip: For map layer attribute data in a tabular format you can open the. The following methods add child content to an XElement or an XDocument:. Step 2: Select KML as an Output Format (If you need to covert to KMZ, select KMZ here). geometry import mapping: import fiona # open the polygon shapefile: with fiona. This example uses the three functions gsn_add_polyline, gsn_add_polygon, and gsn_add_polymarker to add some primitives to an XY plot. Joining data to shapefiles. 0 Download map subunits (4. A shapefile should consist of at least four files:. Usage tips. You learn about creating unique symbols per category, customizing colors and placing your legend outside of the plot using the xpd argument combined with x,y placement and margin settings. Keep attributes when converting SHP to DXF/DWG/KML. They form one of the mechanisms R uses to define specific object types like dates, time series, and so on. If you are editing data you must first choose Stop Editing from the main drop down menu of the Editor toolbar. These shapefiles will be updated every shakeup in tandem with the Bus Line shapefiles. dbf shortens these column names BUT ALSO deletes any data in that column. Hyperlinks allow you to access documents (e. If the Editor toolbar is not already open, from the View menu, select Toolbars, and then select Editor. Introduction Most GIS packages have utilities or plugins to facilitate the direct download of GPS points from the GPS?receiver into the GIS program, and. Add text label as attribute to polygon in Global Mapper It is useful to be able to copy the text label from points (so called area centroids ) to the enclosing area polygons as attributes. ACT-R is a cognitive architecture: a theory about how human cognition works. Saving: Since you are always connected to the data source (local or remote), you can easily get the latest source updates by refreshing the layer. The replacement forms uses the list on the right-hand side of the assignment as the object's attributes (if appropriate). Select the Create a new field checkbox to save the calculations into a new field. Graph, vertex and edge attributes Description. There are two things that are important about doing this with SpatialPolygons: When you first associate a data. Well, basically, a geodatabase can be anything that allows you to store spatial data and perform spatial query on the data containing it. Keep attributes when converting Shapefiles to DWG/DXF. Join the community of millions of developers who build compelling user interfaces with Angular. Google Search result usually points to the canonical page, unless one of the duplicates is explicitly better suited for a user: for example, the search result will probably point to the mobile page if the user is on a mobile device, even if the desktop page is marked as canonical. , image files, Adobe PDFs, Microsoft (MS) Word documents, or MS Excel spreadsheets) related to your spatial features in ArcMap. The "restyle" method should be used when modifying the data and data attributes of the graph. shp) Select the Shapefile to open and click the Open button. In particular, an image can be contained in a node of any shape, not just a rectangle. Adding New X/Y Data to a Map Layer If you want to create new XY coordinate points in a Map Project, you will need to first create a new Shapefile (a kind of Map Layer) in ArcCatalog. To use a global attribute: Select one from the dropdown and Add. Hit the Edit button just below this box and choose your preferred coordinate system. To add a text to a plot in R, the text() and mtext() R functions can be used. ) Open up the installed QGIS. Hello, I would like to create a shapefile from geometry in oracle table and attributes are stored in CSV. Go to WordPress site dashboard and navigate to Plugins > Add New > Upload. If you want to add resources to the list of available enterprise resources, you must import the resources. Step 4 - Get the Election data, join it to States_Crime03. jar or ojdbc5. Facilities for reading shapefiles. Then you map the Shapefile attributes to the block attributes in the import dialog box. Find descriptive alternatives for attribute. The Field Domain parameter can use an existing domain from a feature class in a geodatabase. Now also includes a tool to measure distances, areas and perimeters. Select the rtmedia-custom-attributes. Converting KML (Google Earth) files to Shapefiles. shp file), an associated dBASE (relational database) table (stored in the. Relation - a set of tuples. For example, the following program creates a new Shapefile ( cities. Right-click on the waypoint shapefile > Open Attribute Table. Detailed information about the Address Range Feature shapefiles (ADDR_FEAT) can be found online in the TIGER/Line® Shapefiles technical document Chapter 6. The Create New Shapefile dialog box opens. If the Editor toolbar is not already open, from the View menu, select Toolbars, and then select Editor. Documentation: An optional description of the attribute. You'll get a map, but it won't include any attributes stored in your shapefile, like feature names or statistics you might want to use in your map. The function of the attrib command is to set, change or. Shapefile C Library Purpose The Shapefile C Library provides the ability to write simple C programs for reading, writing and updating (to a limited extent) ESRI Shapefiles, and the associated attribute file (. Only 255 attributes. Pie Charts in R. shx (the index that links the two, and. This example shows how to import Shapefiles into AutoCAD using Spatial Manager™ for AutoCAD. Thus Hybris can't find "customerNumber" attribute in target. If you have done attribute joins of shapefiles in GIS software like ArcGIS or QGis, or merged two datasets in Stata or R, this process is analogous – in an Attribute Join, a Spatial*Dataframe (be that a SpatialPolygonsDataFrame, SpatialPointsDataFrame, or SpatialLinesDataFrame) is merged with a table (an R data. Using setAttribute() to modify certain attributes, most notably value in XUL, works inconsistently, as the attribute specifies the default value. Add polygon attributes to points VS join attributes by location. Open Shapefiles, Shapefiles (. First, load up an instance of ArcMap or ArcCatalog. In mapshaper. Choose a Product to View Documentation Symantec. to make a selection. Select an attribute to view the attribute properties, and to update properties or seed (next value to assign). Shapefiles can now also be attached as references using the standard Referencing tools. 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. Attributes are associated values belonging to a graph, vertices or edges. One of the nice things about working with shapefiles in R is that you can subset the data based on attribute data the same way that you would any dataframe. Use ggplot2 to plot polygons contained in a shapefile. The field names in the style file are. You can add content (elements, attributes, comments, processing instructions, text, and CDATA) to an existing XML tree. PostgreSQL/PostGIS II: Geometry Types and Coordinate Systems. names; default FALSE. The data frame result now has an extra observation compared to baskets. Output maps and R code Using sp with base R graphics:. join: geometry predicate function with the same profile as st_intersects; see details. R has some very useful libraries for working with spatial data. See ArcGIS data typesfor a detailed explanation of field types. To add raw HTML, use the HTML function. 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. Using Shapefiles with rgdal and sf. For example, x= [0,0. Name the Field Y - this will be where you input your LATITUDE coordinates. World Borders Dataset. This example uses the three functions gsn_add_polyline, gsn_add_polygon, and gsn_add_polymarker to add some primitives to an XY plot. Development of the sp package began in the early 2000s in an attempt to standardize how spatial data would be treated in R and to allow for better interoperability between different analysis packages that use spatial data. Right-click on that folder and select Properties. In this lesson you break down the steps required to create a custom legend for spatial data in R. Adding Shapefiles ** A shapefile stores nontopological geometry and attribute information for the spatial features in a data set. The shapefile will be added to the Table of Contents panel on the left hand side. In this case, the GEOID field is a unique identifier for each tract and can be used to link this shapefile with any other table containing the same ID. shp in QGIS and press Open Attribute Table. Difficulty: Moderate Requirements: ArcGIS 10 or higher This tutorial will demonstrate how to format census data tables from the U. Pie Charts in R. shp ', ' r ') as polygon:. R Pubs brought to you by RStudio. , image files, Adobe PDFs, Microsoft (MS) Word documents, or MS Excel spreadsheets) related to your spatial features in ArcMap. com , recently posted about merging shapefiles using a batch process. 5 -Creating and editing shapefiles in ArcMap 10. Adding a New Field to a Table Using ArcMap Before editing a shapefile attribute table, you may want to review the data attribute types and settings for the existing fields in the table. Adding data by editing. Usage tips. They are handy for data manipulation and analysis, which is why you might want to convert a shapefile attribute table into a pandas DataFrame. geometry import mapping: import fiona # open the polygon shapefile: with fiona. Add Attribute Fields to the Shapefile. Add an extension for the output such as. Many point shapefiles don't contain the latitude and longitude data as columns in the attribute table but have their geometry encoded within the shapefile. The Create New Shapefile dialog box opens. dbf file contains the attributes of the feature. We then use the ArcPy SearchCursor to access the attributes in the table for each row and write each row to the output CSV file. In the Table Of Contents, right-click the shapefile, and open the attribute table. The final output shapefile is specified under “File to Save Results. Name the Field Y - this will be where you input your LATITUDE coordinates. Research Tip: One of my favourite techniques is to add values in the active directory property boxes, then export using CSVDE. Solved! Go to Solution. One of the ways organizations begin to manage their culture is to gather feedback from employees to see how aligned they are with the current and/or desired culture. This tutorial builds upon the previous tutorial to work with shapefile attributes in R and explores how to plot multiple shapefiles using base R graphics. Rather than being a single file, a Shapefile is made up of a collection of files. Data Resource Centre, University of Guelph WORKING WITH TABLES IN ARCMAP 10. ) Using shapefiles in Leaflet. Similar to creating an attribute, enter the name and collaborator of each responsibility to show the relationship with other parties. Problem Description. The values in these fields are not automatically recalculated after edits. OSMaxx extract service, export to Shapefile (and GeoPackage etc. One of the tasks I frequently perform is taking a shapefile, subsetting it, and then converting to a GeoJSON. Map from shapefiles Although the built-in maps from the maps package are very convenient, using shapefiles is a more flexible way of accessing geographic and political boundaries. R Pubs brought to you by RStudio. For example, you might want to project the map with the GPROJECT procedure, or use the GREDUCE procedure to create a DENSITY variable for reducing your data. Find descriptive alternatives for attribute. dbf shortens these column names BUT ALSO deletes any data in that column. This means that excel or ArcGIS will have a blank line between each record. dbf table) of the geographic layer in the underlying file: it's an on-the-fly link to your data. Note: The size of the. I would like to create a polygon list. Tools or other procedures that create shapefiles from nonshapefile inputs may store or interpret null values as zero. com · 3 Comments In a recent post (which you can find here ) we identified the first publish date for all spatial packages listed in the Analysis of Spatial Data Task View on the R website. If the Editor toolbar is not already open, from the View menu, select Toolbars, and then select Editor. Convert KML to shapefile using QGIS in Windows, Linux or Mac System. Relation - a set of tuples. Making Decisions with Multiple Attributes: A Case in Sustainability Planning Decisions involving issues of sustainability tend to include an array of objective attributes along with highly subjective value judgments. Or copy & paste this link into an email or IM:. How to show multiple attributes in one legend in ArcGIS? I have seismicity data and want to show the depth of events by gradual colors and want to show the magnitude as the gradual size in one legend. frames #Point. But since then I was remembering my work with shapefiles in my basic R-seminars and the way we have used the gdal-library for our data management. A field of type raster allows you to have a raster image as an attribute. Type or choose the attribute properties you want. Similar to the Metro Bus Line shapefiles, the Bus Stop shapefile is a set of interrelated files that can be used with GIS software. This vignette ex-plains the R method \over", which provides a consistent way to retrieve indices or attributes from a given spatial object (map layer) at the loca-. Install the ESRI ArcGIS software on your computer (see link in Resources section below). Get notifications on updates for this project. The name and data typeof an existing field can't be modified; instead, you must add a new field with the appropriate name and data type. shp is the main file and contains feature geometry. Shapefiles can be used to describe points, polylines or polygons - here you'll focus on polygons for drawing maps. Shapefile C Library Purpose The Shapefile C Library provides the ability to write simple C programs for reading, writing and updating (to a limited extent) ESRI Shapefiles, and the associated attribute file (. 2014 TIGER/Line Shapefiles(machine-readable data files) / prepared by the U. They form one of the mechanisms R uses to define specific object types like dates, time series, and so on. Usage tips. Attribute - a real world role played by a named domain. points) and create Shapefiles from those automatically. One of the tasks I frequently perform is taking a shapefile, subsetting it, and then converting to a GeoJSON. Use ggplot2 to plot polygons contained in a shapefile. The Shapefile Adapter can also be used to create your own applications and interfaces that transform Shapefiles to SDO_GEOMETRY or JGeometry data types (see the Oracle. D Loading ESRI Shapefiles into Spatial. If you have done attribute joins of shapefiles in GIS software like ArcGIS or QGis, or merged two datasets in Stata or R, this process is analogous – in an Attribute Join, a Spatial*Dataframe (be that a SpatialPolygonsDataFrame, SpatialPointsDataFrame, or SpatialLinesDataFrame) is merged with a table (an R data. An ESRI shapefile is actually usually a set of files with different extensions, like. Adding responsibilities. When a shapefile is created an attribute table is also associated with the shapefile. New tool to search shapes by dbf field value New functionality to add and delete dbf fields New functionality to add WMS servers A Quick Help has been added New drawing system. In the previous post, I outlined how to get PostgreSQL/PostGIS set up on a Mac and how to get R talking to PostgreSQL. This example uses the three functions gsn_add_polyline, gsn_add_polygon, and gsn_add_polymarker to add some primitives to an XY plot. Keep attributes when converting SHP to DXF/DWG/KML.