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Moving XY Data (Waypoints) to a Map. Frank Wideman Extension Engineer Univ. of Missouri Extension Perryville, MO. To get points from a GPS to a Map software. GPS unit Computer Cable USAPhotoMaps XML file Excel CSV file (XY data file) Import XY data file into to a map

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Moving xy data waypoints to a map

Moving XY Data (Waypoints)to a Map

Frank Wideman

Extension Engineer

Univ. of Missouri Extension

Perryville, MO

To get points from a gps to a map software
To get points from a GPS to a Map software

  • GPS unit

    • Computer Cable

  • USAPhotoMaps

    • XML file

  • Excel

    • CSV file (XY data file)

  • Import XY data file into to a map

    • Called importing an Event Theme in AEJEE

Hooking up the gps unit
Hooking up the GPS unit

  • Check your connections

  • Not many opportunities to mix up ports

  • Just check and match up

Garmin etrex gps
Garmin eTrex GPS

  • Check the notches and grooves

  • Pretty durable connection

  • Do not force the connection

  • Match up the connection

  • Other GPS units

    • Just pay attention to

      • pins,

      • notches

      • grooves

Check computer connection
Check computer connection

  • Serial – older style Garmin use this

  • USB

  • Other

Check computer connection1
Check computer connection

  • Check the shape

  • Check the alignment

  • Guide it into place

Connections are ready
Connections are ready

  • Now you can start your GPS Applications

  • Now start USAPhotoMaps

  • First start will bring up the help menu

  • Read or close “Help” as is your need

Setting up new project
Setting up new project

  • Click “File” menu

  • Select “New Map Location”

  • Use “Map Locations” to identify projects since several projects may be located in the same territory.

  • Select “Open Map Locations” to work on an existing one.

New map project location
New Map Project/Location

  • Default location is Washington, DC

  • Name your new project. Replace the name that is there.

  • Use one of your Waypoints for Lat & Lon

  • Click “OK” button

Fill in the blank map tiles
Fill in the blank map tiles

  • First screen will be empty

  • You must be on-line to download maps.

  • Only the downloading of map data requires you to be on line.

  • Maps are from Terraserver.

    • Aerial photos and topo maps.

  • Future projects for the same area will not require the map download.

Fill in the blank map tiles1
Fill in the blank map tiles

  • Click on “File” menu and select “Download Map Data” and “Fill Screen.”

  • Map tiles will fill the screen

  • Separate downloads will be needed to get 1-meter and 8-meter aerial photos; also 4-meter and 64-meter topo maps.

  • Download only what you need.

Setting up for the gps
Setting up for the GPS

  • The GPS menu allows you to set “Comm Port”, “Baud” rate and “Protocol.”

  • Comm 1 is usually the 9 pin serial port that most GPS units have used until very recently.

  • Newer GPS units are usually USB.

    • For USB connection use “No serial GPS.”

Setting up for the gps1
Setting up for the GPS

  • Baud rate seldom needs to change.

  • The amount of data we are moving is so small that even slow baud rates are OK.

  • Standard for serial port is 9600

Setting up for the gps2
Setting up for the GPS

  • Protocol

    • Most of the GPS units that we use in our 4-H programming are eTrex units that use the serial connection.

    • Use the Standard Garmin Protocol

  • Garmin units with USB connection uses “Garmin USB”

  • All GPS units can be set to use the “NMEA” communication protocol

Sending receiving data
Sending & receiving data

  • In the “GPS” menu you can send or receive “waypoints”, “routes”, “tracks” and “position”. The Unit must be on for this.

    • Waypoints are the points/locations of interest.

    • Tracks are paths recorded while traveling.

    • Routes are a series of waypoints in a desired order

    • Position allows for a live connection with the GPS unit.

Sending receiving data1
Sending & receiving data

  • A message will show if the transfer is successful.

  • A message will also show on the GPS screen that indicates the transfer is complete.

Reviewing waypoints
Reviewing Waypoints

  • The “Waypoint” menu allows you to show the list of current waypoints for this project.

  • Another option will import a new list from other programs that might create an XML or GPX file.

Reviewing waypoints1
Reviewing Waypoints

  • The list of waypoints will have the name the GPS unit gave each point, usually a number. This program calls it “Name.”

  • I usually add the real world name as the “Comment.”

  • You can select one from the list and click the “Go To” button. The program will move that point to the center of the view.

New map view
New map view

  • The map will show the points in the current view and corresponding labels that you select, GPS name or Comment.

  • You may need to download more map tiles.

  • You can click and drag any point to correct any GPS error or inaccuracy.

  • You can create new points in the program.

Editing a point
Editing a point

  • The “Edit” button will let you change the text information for that point, like GPS Name, Comment and add other descriptive information.

  • The “To GPS” button will send the selected waypoint to a GPS unit. Use this if you do not want to upload the whole list.

  • The GPS menu will upload the whole list to the GPS.

Edit screen
Edit Screen

  • You can very easily change the GPS name here, much easier than in the GPS unit.

  • We will use it for “Data Base ID”

  • Lots of room for more information. Maybe too much!!

Zoom menu
Zoom Menu

  • “Zoom” menu will let you get a different view of your world.

  • Different map types use different zoom levels.

Map types
Map types

  • The “View” Menu will let you select the “Map Type”

  • All maps are downloaded from TerraServer.

  • Types depends on what is public

    • Aerial Photos of USA

    • High res color photos of urban areas

    • Topo Maps

Moving xy data waypoints to a map

XML files found in C:\Program Files\USAPhotoMaps

Open with Excel (version 2002 or 2003)

Files created
Files created

  • USAPhotoMaps creates an XML file for each location or project.

  • XML files found in C:\Program Files\USAPhotoMaps

  • Open with Excel (version 2002 or 2003)

Use excel to edit project file
Use Excel to edit project file

  • Open Excel and browse for the desired file in C:\Program Files\USAPhotoMaps

  • Only newer Excel (version 2002 or 2003) will work

Extra step to xml files
Extra step to XML files

  • We don’t want to handle all the extra formatting in XML

  • Select open “As read-only workbook.”

  • Remember that when we finish we would prefer the file format be a “CSV” file.

  • Click OK

Editing the file
Editing the file

  • Remove the unwanted columns and rows

    • Right click on the column and row markers

      • A, B, C, D… and 1…

      • And select “Delete” from the pop-up menu

Moving xy data waypoints to a map

Edit labels (column headers) – remove special characters from labels, add data columns and name appropriately

Editing labels
Editing labels from labels, add data columns and name appropriately

  • Labels might also be called column names.

  • Seldom is USAPhotoMaps labels what you want.

  • I usually turn “\wpt\Name” into “DataBaseID”, “\wpt\cmt” into “Name”, “\wpt\lat” into “lat”, “\wpt\lon” into “lon”, etc.

  • There is a limit on the number of characters that mapping software will allow in the labels. NO special characters!

Add the other data
Add the other data from labels, add data columns and name appropriately

  • Now we add more columns with the other data we have collected about our points

  • Use labels with appropriate meaning.

Now save the file
Now save the file from labels, add data columns and name appropriately

  • Save the file after you finish all your additions and edits, as a CSV file.

  • CSV is Comma Separated Values.

  • Put it where you will keep your other data and layers for this project.

  • Save as an Excel file for ArcGIS 9.2

  • Older versions and AEJEE use CSV file

Now start esri software

Now Start ESRI Software it.

Add map layers as Shape files or JPG files, photo layer shape files.

Use the button that has the “+” sign.

Shape files
Shape files it.

  • Your map layers will likely be shape files.

  • When you add them, you only see files that end with .shp or .jpg for aerial photos or topo files.

  • Remember that there will be at least 2 more supporting files with the same name.

Add xy data event theme
Add XY data / event theme it.

  • Also called xy or Lat-Lon data file.

  • ArcMap – Click “Tools” menu and select “Add XY data”


    • Click on the “View” menu and select “Add Event Theme.”

    • This process will create a new shape file from the data as it is imported in AEJEE.

Add xy data event theme1
Add XY data / event theme it.

  • The opening folder is the Browse button.

  • Browse to the CSV files you saved.

  • Select the one you want.

Add xy data event theme2
Add XY data / event theme it.

  • Unlike the newer versions of Arc GIS, you must select the fields, columns in the CSV file, that are the X & Y fields.

  • Remember that the X field is longitude and the Y field is latitude.

  • Select the folder you want the shape file stored.

  • You can select the symbol for these points.

Layers or shape files
Layers or shape files it.

  • Get them as free down loads from lots of locations.

    • ESRI has Census TIGER files

    • Many states have clearing house of data files.

    • Some local communities have data files

  • Check out these sources