Google Earth User Guide User Manual download pdf (Page 94)

Fields

❍ Modifying Vector Data

Display

❍ Importing Imagery

■ Opening GIS Imagery

■ Saving GIS Imagery

❍ A Note About Projections

and Datums

❍ What is a Map Projection?

❍ What Is a Datum?

● Using Style Templates

● Using GPS Devices with

Google Earth

● Making Movies with

Google Earth

● Keyboard Controls

● 3D Viewer Options

well as in the listing beneath Temporary Places. If your data does not contain a Name field, the first

available field that contains text is used as the label for data.

The rest of this section covers the following topics:

● Using third party vector data

● Using generic text files that contain tab- or comma-separated point data. Only users of Google Earth

EC or Google Earth PRO can import GIS vector data files. However all Google Earth versions can

import generic text files

● Importing imagery

● A brief discussion of projections and datums

Using Third Party Vector Data

Google Earth EC and Google Earth PRO users with the data import module can import the following vector file

formats:

● MapInfo (TAB) - Required files include:

❍ MAP ID

❍ DAT

● ESRI Shape (SHP) - Requires SHX Projection information, which can either be built into the SHP file or

defined in a separate file with a PRJ extension DBF (for viewing field data)

Most third-party GIS vector data comes as a collection of related files that operate together to produce all the

vector data you see in Google Earth. Be aware that if expected data does not display in the 3D viewer, it might

be due to missing support files. Those vector file types that require additional support files are indicated in the

list above.

Note - You can also use generic text files to create your own point data for use in Google Earth. This feature

is also available to Google Earth Plus users.

Using Generic Text Files

In addition to importing vector data in SHP, TAB, and other formats, you can define your own point data and

import it into Google Earth.

Note - Only point data can be created and imported using generic text files.

Generic text files need named columns whose values are separated either by commas, spaces, or tabs. Do

this by creating your data in a spreadsheet application such as Microsoft Excel and then saving the file as

either CSV or TXT format. Alternatively, you could use a programmatic method to extract data from a database

and produce a final output file in either CSV or TXT format.

Note - If you attempt to import more than 5000 features (i.e., 5000 point data lines) into Google Earth, this

process can take a long time.

For more information on using generic text files, see:

● Required Location Fields

● Optional and Descriptive Fields

Required Location Fields

At minimum, generic text file that you import must contain one or more fields that specify the location of the

point on the earth in order for the data to be correctly positioned in the 3D viewer. This can be specified either

with address fields or with geographic coordinates.

Note - You cannot use a mix of geographic coordinates and address fields in a single file.

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