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422 Chapter 5: Creating Geometry
The best way to ensure that the light is set up
correctly is to change one viewport to the light’s
view (for example, Sun 01). Then adjust the light’s
location using Dolly (page 3–751),andsetthe
hotspot so it illuminates the whole model, with no
falloff.
Nor th Dir ection—Sets the rotational direction
of the compass rose in the scene. This is the
geographical orientation of the compass rose. By
default, north is 0 a nd points a long the positive Y
axis of the ground pla ne. Positive X (East) is 90
degrees. Adjust the North Direction to correspond
to your site. Accuracy of the system depends on
this correspondence.
Geogr a phic Locat ion Dia log
Selec t Sunlight or Daylight system > Motion panel >
Location group > Get Location button
TheGeographicLocationdialogispartofthe
Sunlight and Daylight systems’ (page 1–418)
interface. It lets you set the latitude and longitude
values by select ing a location from a map or a list
of cities. The dialog displays a list of cities at left,
and a map on the rig ht.
Pr ocedur es
To use a map:
1.
IntheLocationgroupontheControl
Parameters rollout, click the Get Location
button.
2. On the Geographic Location dialog choose a
mapfromtheMaplist.
3. Click in the map to specify a location.
3dsMaxdisplaysasmallcrossatthelocation
you picked. If Nearest Big City is on, it places
thecrossatthenearestlargecityonthelist,and
high lights the city’s name in the list.
4. ClickOKtosettheLatitudeandLongitudeto
the location of the cross.
Tochooseacitybyname:
1.
Choose a map from the Map list.
The Cit y list updates to show cities in the region
of the map.
2. Choosethenameofacityfromthelist.
3. ClickOKtosettheLatitudeandLongitudeto
the location of the city.
Interfa ce
City —Displays a list of cities within the selected
Map region. As an alternative to selecting a
location by clicking the map, you can select a city
directly from t his list. The cross on the map moves
to the location of the selected city.
Map—Lets you choose a map for a portion of the
world, or you can choose the World map, which
includestheentireworld.
Near est B i g Cit y —When on, clicking the map
movesthecrosstothenearestlistedcity,which
becomes highlig hted in the list. When off, clicking
the m ap places the cross exactly where you
clicke d, and its position generates the Latitude and
Longitude values for that position, regardless of
any cities that might be nearby.