3D Interface

Before you start

The MetroMap Browser 3D Interface is constructed by the following elements:

1. Overview
2. Menu
3. Navigation
4. Tool Bar

• Measurement
• Viewshed

1. Overview

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2. Menu

Icons		Descriptions
	City	Open/close the Cities panel by clicking the Cities button.
	Screenshot	The Screenshot tool allows you to download a screenshot of the current view.
	Back	Exit the 3D Viewer.

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3. Navigation

Mouse		Touch
	Pan view Left click + drag		Pan view One finger drag
	Zoom view Right click + drag, or Mouse wheel scroll		Zoom view Two finger pinch
	Rotate view Middle click + drag, or CTRL + Left/Right click + drag		Tile view Two finger drag, same direction
			Rotate view Two finger drag, opposite direction

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4. Tool Bar

Icons		Descriptions
	Measurement	Click the Measurement tools button to open a list of measurement tools.
	Search	Hover over the Search button to expand the address bar, which allows you to search for a location.
	Home	Click the home button to reset the camera to its default position.
	Help	Click for detailed instructions on how to use the tools.
	Viewshed	Viewshed allows you to see the geographical area that is visible from a location.

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Measurement

Icons		Usages
	Distance	1. Click on the point cloud or the globe to set the start point and end points. 2. To make a new measurement, click to clear the previous measurement
	Component Distance	1. Click on the point cloud or the globe to set the start point and end points 2. To make a new measurement, click to clear the previous measurement
	Polyline Distance	1. Click to start drawing a polyline 2. Keep clicking to add more points 3. Double click to finish drawing
	Horizontal distance	1. Click on the point cloud or the globe to set the start point 2. Move the mouse to drag the line 3. Press this shift key to clamp the direction of the line 4. Click again to set the end point 5. To make a new measurement, click to clear the previous measurement
	Vertical distance	1. Click on the point cloud or the globe to set the start point 2. Move the mouse to drag the line 3. Click again to set the end point 4. To make a new measurement, click to clear the previous measurement
	Height from terrain	Click on the point cloud to get a distance from that point to terrain
	Area	1. Click to start drawing a polygon 2. Keep clicking to add more points 3. Double click to finish drawing
	Point coordinates	Move the mouse to see the longitude, latitude and height of the point

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Viewshed

To add a viewshed, open the 3D viewer and click the viewshed button in the toolbar (located in the top-right corner of the interface).

This will open a list of options for the viewshed. To add a viewshed object:

1. Click “Add”
   

2. Left-click on a location on the 3D tiles.
   

3. The Options panel will be populated with the coordinates of the viewshed center point (the point you selected by left clicking) and default values for radius, heading, pitch and roll.

   You can change the values by typing into the input boxes.

   • Height and Radius are in meters.
   • Heading, Pitch and Roll are in degrees.
     

4. Use to play/stop the animation. Switch to anti-clockwise by clicking and clockwise by clicking .

5. Click the delete button to delete the Viewshed.

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