Building a Base Model - Autodesk Infraworks and Infraworks 360 Essentials - page 54

3. Select the Ex_2_3 proposal. Right-click the ViewCube and click Home.
You should see the model as it would appear at the end of Exercise 2.2
with the aerial imagery in place.

4. If the Data Sources panel is visible, skip to step 7. Otherwise if the
InfraWorks toolbar is not visible, click the InfraWorks Home icon.

5. Click the Manage icon on the InfraWorks toolbar.

6. On the Mange toolbar, click Data Sources to open the Data Sources
panel.

7. In the Data Sources panel, click the small triangle to expand the Add
File Data Source menu. Click Raster.

Isn't raster for Pictures?

You may find it strange that the TIF raster image file format is being used to
store topographical data. Data can come in many shapes and sizes, and the
TIF format can be used to represent aerial photography, topography, infrared
analyses, and many others.

8. Browse to C:\InfraWorks Essentials\Chapter 02\Bimsville Data
Sources\Terrain . Select Bimsville Terrain 1 of 4.tif and click
Open.
After a pause, the new data source will be listed in the Data Sources
panel.

9. Right-click the new data source listed beneath the Terrain folder and
click Configure.

▶

Note that the coor-
dinate system has
already been detected
and is the same as the
aerial photograph:
UTM83-17.

10. In the Scale section of the Data Source Configuration dialog box,
enter 0.3048 next to Z, as shown in Figure 2.13.

fIgure 2.13 Adjusting the Z scale factor to correct imperial units