Pitney Bowes MapInfo Vertical Mapper - Manual (Page 203)

Chapter 12: Creating 3D Views Using GridView
User Guide
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The Cancel button enables you to close the dialog box without rendering the GridView scene.
The Grid Extents button opens the Grid Extents dialog box which displays the x- and y- extents as
well as a range of values of the highlighted grid file. The x- and y- values are expressed in the
coordinate system units of the grid, and the z-value range is expressed in data units.
The Unload button enables you to remove the highlighted grid or drape file from the Layer/Grid
Height list box.
The Load button enables you to add additional grids or drape files to the Layer/Grid Height list box.
The Grid Layer Control
Grid Layer Control contains a listing of all the grids and drape files loaded into the memory of
GridView.
• Master Grid is the first grid to be loaded into the Grid Layer Control. Any X, Y location or
distance setting will be specified in the coordinate units of the Master Grid. In any single
GridView session there can only be one Master Grid which is symbolized by a special icon.
Once the Master Grid has been specified, it cannot be changed.
• A Visibility check box precedes each of the listed files whether they are grids or drapes.
When checked, the associated grid/drape file will then be rendered in the scene.
• Additional Grids may be added to the Grid Layer Control by selecting the Load button on the
bottom right of the Scene Preferences dialog box. These grids are symbolized by a different
icon than the Master Grid.
• Drape Files may also be added to the Grid Layer Control by selecting the Load button on the
bottom right of the Scene Preferences dialog box. When loading a drape, the selected drape
file will be applied to the highlighted grid in the Grid Layer Control. If this drape file does not
coincide with the highlighted grid a warning message will appear. More than one drape file
can be loaded for any one grid; however, only one drape per grid can be visible at one time.
• Grid Height refers to the vertical distance the grid will be drawn at above the minimum value
of the Master Grid. This distance value is specified in the grid coordinates of the Master Grid.
All grids listed in the Grid Layer Control will be displayed in the order specified by the entered
Grid Height value. The number of decimal places displayed in this setting can be modified in
the GridView Preferences dialog box.