VTBuilder
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View Menu Commands

• Current Layer Visible
  • Toggle the visibility of the current layer.  When a layer is hidden (not visible), it is shown in the Layer list in grey italic.  This is useful to hide layers, for easier editing or faster redraw.
• Move Layer Up / Move Layer Down
  • Changes the order of the current layer in the Layer list, which also affects the order in which it is drawn.
• Zoom In / Out
  • Zooms in/out by about 40%.
• Zoom All
  • Centers your view on the currently loaded terrains (but doesn't yet change the level of Zoom)
• Zoom to Full Res (1:1)
  • If the current terrain is grid data (Elevation or Image), sets the view to match (1 screen pixel per heixel, or 1 screen pixel per image pixel)
• Zoom to Area Tool
  • Moves your view to the area indicated by the Area Tool.
• Toolbar
  • Toggles display of the Toolbar.
• Layers
  • Toggles display of the Layer list.
• Magnifier
  • Allows you to zoom the view into a specified rectangle.
• Pan
  • Allows you to pan the view by dragging the first mouse button.  You can also drag with the middle mouse button, if you have one, to pan at any time.
• Obtain Distance
  • Click and drag to measure horizontal distance and offset between any two points.
• Area Tool
  • Allows you to set the area for the Area Tool.
• World Map
  • Toggles the display of a world map (shoreline vectors).  The data is expected to be in a folder called "WorldMap" below the program folder.  VTBuilder will attempt to convert the map to your current projection, which may not produce good results for all projections.
• Show UTM Boundaries
  • If you are using data in a geographic projection, this will toggle the display of the boundaries of the UTM coordinate zones.
• Elevation Profile
  • Using the same dialog as the Distance Tool, you can draw lines or paths and the Elevation Profile dialog will show you the profile along the line you have drawn.
• Scale Bar
  • Toggle display of the Scale Bar in the view, which gives a more conventional display of scale than the Status Bar.
• Options
  • Show the View Options dialog.

View Options Dialog

• Status Bar
  • Show minutes and seconds
    • If you are using data in a geographic projection, this will toggle the display of minutes and seconds of latitude-longitude.
• Elevation
  • Show outline only
    • Turn this on to show each elevation layer as a simple box, which saves a lot of memory and time.
  • Artificial color by elevation value
    • Elevation is rendered using a mapping from height value to color.
  • Rendering options...
    • Shows the Rendering Options dialog, to control how elevations are rendered and shaded.
  • Hide Unknown Areas
    • Area of the elevation layer will be not drawn at all (transparent), rather than shown in red.
• Show Full Layer Pathnames
  • Toggles the display is the entire file path for each layer, in the Layers View.  It can be useful to turn this off when your files are nested deeply on your filesystem.