
[-defdefine LessonName "Adding a Background Map in DLG Format"-]
<section id='BaseOps_Tutorial_AddingMap_DLG_id'>
    [-include "BaseOps_SetUpStandardWorkbookCase.tutscript"-]
    <title>
        &LessonName;
    </title>
    <section>
        <title>
            &LessonName;
        </title>
        <para>
            BaseOps displays data in a graphical format in the upper-right
            portion of the BaseOps window. For example, when editing a flight
            track, BaseOps displays a graphical representation of the flight
            track.
        </para>
        <para>
            BaseOps is capable of displaying this graphical data over a background
            map. This allows you to see exactly where the components of your
            BaseOps case (runways, flight tracks, etc.) are located.
        </para>
        <para>
            There are several formats used to store background maps. One common
            format is named Digital Line Graph (DLG).
        </para>
        <para>
            This lesson will teach you how to add a DLG map to your BaseOps
            case. It is presented as a list of step-by-step instructions.
            To begin, press the <bold>First Step</bold> button below.
        </para>
    </section>
    <section>
        <title>
            Step 1
        </title>
        <para>
            Obtain one or more DLG map files. BaseOps can read 1:24000 and
            1:100000, level 3, optional format DLG files. These files will
            typically have a <filetext>.opt</filetext> file extension.
        </para>
        <para>
            1:100000-scale DLG maps for most of the continental United States
            can be downloaded for free from the United States Geological Survey
            (USGS) website, <link>http://www.usgs.gov/</link>. This website
            can be somewhat daunting to novices, and changes frequently. It
            is suggested that you speak to your local GIS expert to assist
            with downloading the appropriate DLG map files.
        </para>
        <note type='tip'>
            <para>
                The Air Force Center for Engineering and the Environment (AFCEE)
                can assist base planners in obtaining background maps suitable
                for use in BaseOps. Contact either Diane Majors (phone 210-536-4210,
                DSN 240-4210, e-mail judy.majors@us.af.mil) or Nancy Mabie (phone
                210-536-5500, DNS 240-5500, e-mail nancy.mabie@us.af.mil).
            </para>
        </note>
    </section>
    <section>
        <title>
            Step 2
        </title>
        <para>
            Choose <menutext>Edit Case Options</menutext> from the <menutext>Case</menutext>
            menu. The "BaseOps Case Options" dialog box is displayed. In the
            list on the left side of the dialog box, click on "Layers". On
            the right side of the dialog box, the controls for managing background
            map layers are displayed.
        </para>
        <exhibit>
            <img
            src='BaseOps_AddingMap_DLG_BaseOpsCaseOptionsDialogBox_ScreenCap.png'/>
        </exhibit>
        <para>
            [-include "BaseOps_ShowMeHowLink.rxl" VideoName='BaseOps_AddingMap_DLG - 2.wcsaf'-]
        </para>
    </section>
    <section>
        <title>
            Step 3
        </title>
        <para>
            Click on the "Add Layer" button. The "Select type of map layer
            to add" dialog box appears.
        </para>
        <exhibit>
            <img
            src='BaseOps_AddingMap_DLG_SelectTypeOfMapLayerDialogBox_ScreenCap.png'/>
        </exhibit>
        <para>
            Click on "Digital Line Graph (DLG)", then press OK. An empty DLG
            map layer will be added to the list.
        </para>
        <para>
            [-include "BaseOps_ShowMeHowLink.rxl" VideoName='BaseOps_AddingMap_DLG - 3.wcsaf'-]
        </para>
    </section>
    <section>
        <title>
            Step 4
        </title>
        <para>
            Click on the "Options" button located to the right of the new
            DLG map layer. The dialog box for editing the layer's options
            will be displayed.
        </para>
        <exhibit>
            <img
            src='BaseOps_AddingMap_DLG_EditDLGLayerOptionsDialogBox_ScreenCap.png'/>
        </exhibit>
        <para>
            [-include "BaseOps_ShowMeHowLink.rxl" VideoName='BaseOps_AddingMap_DLG - 4.wcsaf'-]
        </para>
    </section>
    <section>
        <title>
            Step 5
        </title>
        <para>
            In the "Descriptive name" box, type a short description of the
            map layer you are going to add. In this tutorial, we will be adding
            a map layers that displays roads and highways, so we will name
            the layer "Roads".
        </para>
        <para>
            [-include "BaseOps_ShowMeHowLink.rxl" VideoName='BaseOps_AddingMap_DLG - 5.wcsaf'-]
        </para>
    </section>
    <section>
        <title>
            Step 6
        </title>
        <para>
            Press the edit button <img
            src='BaseOps_ThreeDotsButton_Figure.png'/> located to the right
            of the box labeled "Geographic datum". The dialog box for selecting
            a datum is displayed.
        </para>
        <exhibit>
            <img src='BaseOps_AddingMap_DLG_ChoosingDatum_ScreenCap.png'/>
        </exhibit>
        <para>
            Click on the datum used by your DLG files, then press OK.
        </para>
        <note type='tip'>
            <para>
                If your DLG files are of the contiguous United States, and if
                they were obtained from the United States Geological Survey (USGS),
                then the datum will be "North American 1927 - Contiguous United
                States". If you obtained your DLG files from another source, contact
                the source to determine the correct datum.
            </para>
        </note>
        <para>
            [-include "BaseOps_ShowMeHowLink.rxl" VideoName='BaseOps_AddingMap_DLG - 6.wcsaf'-]
        </para>
    </section>
    <section>
        <title>
            Step 7
        </title>
        <para>
            Click on the "Add file to list" button. A new blank file name
            is added to the list. Press the edit button <img
            src='BaseOps_ThreeDotsButton_Figure.png'/> located to the right
            of the new blank file name, then navigate to the directory where
            your DLG map files are stored, and choose the first DLG file.
            Repeat this process until all of your DLG files have been added.
        </para>
        <para>
            [-include "BaseOps_ShowMeHowLink.rxl" VideoName='BaseOps_AddingMap_DLG - 7.wcsaf'-]
        </para>
    </section>
    <section>
        <title>
            Step 8
        </title>
        <para>
            Press OK once to close the "Digital Line Graph map layer options"
            dialog box, and again to close the "BaseOps Case Options" dialog
            box. The DLG files will be loaded and displayed on the map.
        </para>
        <exhibit>
            <img src='BaseOps_AddingMap_DLG_MapDisplayed_ScreenCap.png'/>
        </exhibit>
        <para>
            [-include "BaseOps_ShowMeHowLink.rxl" VideoName='BaseOps_AddingMap_DLG - 8.wcsaf'-]
        </para>
    </section>
</section>
