Forum: Vue


Subject: Is e-on struggling for cash?

garyandcatherine opened this issue on May 06, 2009 · 56 posts


Mazak posted Thu, 07 May 2009 at 2:08 AM

Quote - Hey Mazak, please tell me you can add more then one planetary body in the scene. I want to see a few moons in the skies at ground level or a nifty sci-fi scene in space.

You can setup your scene to an basic Spherical scene or to an Planet scene. I don't think you can place infinite planets all over your scene. (I paste a short sequence from 7.5 manual for explanation.)

Spherical Terrains
Vue 7.5 can now create scenes in which all infinite planes and all infinite parametric terrains are
spherical. Once you define a scene as being spherical, the existing and added infinite planes and
terrains automatically assume that shape.
There are two kinds of spherical scenes:
• The basic spherical scene.
• The planet spherical scene.
In a basic spherical scene, the scene is limited to a piece of a sphere. With this type of scene,
terrains have the same look as a flat terrain with the same altitude function when viewed closer to
ground level. In addition, you also have a mid-range view of a planet, as from a lower altitude
orbit. This mode is more limited but allows you to have a spherical terrain with the same look as
the flat associated terrain,
In a planet spherical scene, you have a whole planet drifting in space. However, the spherical
terrains are a bit different from flat infinite terrains in that the altitude function is evaluated in three
dimensional space to maintain continuity on the whole planet.
In both modes, the center of the world is set at the position (0,0,-radius). This means that the zero
of the scene is at the "north pole" of the planet.
Creating and Manipulating a Spherical Terrain
To create a spherical terrain, enable the spherical scene
option on the Units & Coordinates tab in the Options
dialog. If you are creating a planet, you also have the option
of setting the scene radius, which is really the size of the
planet.
Basic Spherical Scene
In the basic spherical scene you are working with a curved
portion of a planet. Atmospheres and object placement
follow the same rules as for infinite procedural terrains.
The easiest way to create a basic spherical scene is to open
a new scene and add an infinite terrain. Then, on the
Options Panel, Units & Coordinates tab, select to create a
spherical scene and enter the size.
Now, you can landscape your terrain just as you would an infinite terrain. Keep in mind that you
will probably be viewing this terrain from a greater height than you normally would view a terrain.
Options dialog - Creating a
Spherical Terrain
Vue 7.5 Infinite & xStream – Reference Manual – User Guide
201
Planet Spherical Scenes
The planet spherical scene takes all of your infinite planes
and creates an entire sphere, or a planet. If you have an
empty scene with just an atmosphere and a ground plane,
the ground plane becomes the sphere. If you would then
add an infinite procedural terrain to the scene, this infinite
terrain replaces the ground plane and becomes the sphere.
Of course, the terrain geometry will appear differently than
it would as a flat infinite terrain. To increase the height of
the terrain for a planet spherical terrain, use the numeric Z
position field in the Object Properties panel. Please read the
tutorial on Creating a Planet (page 533) for an illustration of his topic.
Spherical terrains have the same properties as an infinite procedural terrain. However, when a
spherical terrain is moved on Z-axis, its radius is also increased to keep the terrain attributes
consistent.
In planet mode, the global translation gizmo has two modes. When you work on the whole planet,
it can be easier to move the objects along the latitude and longitude axes of the planet. Therefore, a
button has been added near the gizmo to switch to latitude-longitude mode instead of X-Y mode.
This option is also available in the display menu

Mazak

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