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Terrain Models act as the base upon which you will add city models and additional layers. If you have a city model that is not in a CityGML format, you must insert a terrain model as a base.
To insert a terrain model
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| 1. | Create a new project, or open an existing project. |
| 2. | From the Insert menu, click Terrain Model. |
Optionally, click  from the Insertion toolbar.
| 3. | In the Loading Terrain Data dialog box, set loading or importing operations, specify terrain files, if necessary, and set background options. |
| • | Load LandXplorer Terrain – When enabled, you can select a pre-existing, LandXplorer terrain model. |
| • | Import (Tiled) Terrain Files – Allows you to specify a set of georeferenced terrain files to import as a LandXplorer terrain model. |
| • | Tiled Terrain Files – Only active when Import (Tiled) Terrain Files is enabled, displays a list of georeferenced image files that you want to import. |
| o | Add – Click to open a file selection dialog box where you can select the image files you want to import. |
| o | Remove – Click to remove a single entry you've selected in the Image Files list. |
| o | Remove All – Click to clear all entries in the Image Files list. |
| • | Options – Allows you to enable/disable the default background or choose to create a LandXplorer Terrain. |
| o | Load Default Sky as Background – Enable to include a blue, slightly clouded cubic background map with the terrain model. |
| o | Create LandXplorer Terrain – Only active when Import (Tiled) Terrain Files is enabled, allows you to save the imported terrain files as a LandXplorer terrain as well as load it into your project. Enabling this option also re-enables the Change button. |
| • | LandXplorer Terrain File – Displays the path and filename for your LandXplorer terrain file. |
| o | Change – Click to open a file selection dialog box where you can browse to and select an existing terrain model, or specify the name and storage location for a newly imported set of terrain files. |
| 4. | When all parameters are set, do one of the following: |
| • | Click Finish to load the model. |
| • | Click Next to make advanced settings. |
| 5. | On the Georeferencing page of the Loading Terrain Data dialog box, enable Modify to adjust the extents of your terrain model. |
Click Finish to load the terrain model, or click Next.
| 6. | On the No-Data-Values page of the Loading Terrain Data dialog box, specify or change the values that should be used as 'no data' values. |
Click Finish to load the terrain model, or click Next.
| 7. | On the Shapefile page of the Loading Terrain Data dialog box, enable Modify to select a shape file containing polygons which act as holes in the terrain model. |
Click Finish to load the terrain model, or click Next.
| 8. | On the Scaling page of the Loading Terrain Data dialog box, enable Modify to adjust the height range or scale of the terrain model. |
Click Finish to load the terrain model, or click Next.
| 9. | On the Cropping page of the Loading Terrain Data dialog box, enable Modify to specify the region that should be used to crop the terrain if your terrain model is smaller than the default size. |
Click Finish to load the terrain model, or click Next.
| 10. | On the Summary page of the Loading Terrain Data dialog box, review the settings you've made. |
If changes are necessary, click Back. Otherwise, click Finish to load the terrain model.
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