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- Welcome to Scene3DX
-
- Scene3DX will convert any Sculpt3D object or scene file to an
- X-Specs 3D, 32 color scene using polygon shading techniques.
- Scene3DX is run from the CLI with the command:
-
- Run Scene3DX <Input Scuplt3D Scene file> [<Output ILBM file>]
-
- In order for Scene3DX to run, a copy of xspecs.library (ver 1.2)
- must be placed in the libs directory of your boot disk. Once the
- program is running, the ten function keys are used to control
- orientation and rendering of the object or scene. A summary of
- the function key commands is given below.
-
- F1: F1 starts a 3D line drawing of the object or scene.
-
- F2: F2 starts fast polygon rendering of the object or scene.
- Fast polygon rendering uses the blitter to quickly draw each
- of the shaded polygons (triangular faces) making up the
- object or scene. The technique is very fast, but because
- entire faces are drawn at once, some overlap of faces may
- obscure small details of the scene. Also, faces that
- overlap screen boundaries will not be rendered. Use fast
- polygon rendering for simple objects that do not overlap
- screen boundaries.
-
- F3: F3 starts scanned polygon rendering of the object or scene.
- Scanned polygon rendering draws the object or scene line by
- line. Although it is much slower, it produces a much better
- rendering of complex objects or objects that overlap screen
- boundaries.
-
- F4: Once a rendering is complete, F4 will save an IFF ILBM
- file for future viewing. These ILBM files can be viewed
- using IFF viewer programs which are able to process an
- interlaced 352 X 480 low resolution overscanned image. The
- only additional requirement is that the program "flipglas"
- be running concurrently in order to switch the X-Specs 3D
- lenses. From the CLI type "run flipglas." Then use your
- IFF viewer program to view the three dimensional scene. Note
- that you cannot save an ILBM file if you did not specify an
- output filename when starting Scene3DX from the CLI.
-
- F5: F5 (and F10) will interrupt a rendering in process and
- return you to a line drawing of the object. These interrupt
- requests may take several seconds to operate depending on
- the size of the object or scene. Be patient.
-
- F6: The initial orientation or placement of the object or scene
- may require adjustment. F6 allows you to choose to either
- rotate or to shift the position of the object or scene.
- If you can visualize a coordinate system with the X
- axis being left and right, the Y axis being up and down,
- and the Z axis being in and out of the screen, these
- movements are easily understood. Typing F6 alternately
- chooses "Rotate" or "Shift" which allows the numerical keypad
- to be used as follows:
-
- ROTATE: Keys 2 and 8 cause rotation about X axis
- Keys 4 and 6 cause rotation about Y axis
- Keys 3 and 9 cause rotation about Z axis
-
- SHIFT: Keys 4 and 6 cause shift along X axis
- Keys 3 and 9 cause shift along Y axis
- Keys 2 and 8 cause shift along Z axis
-
- Repeated use of the "2" key in Shift mode will bring
- the object out of the monitor and into the space
- in front of the monitor.
-
-
- F7: F7 reduces the size of the object or scene by shrinking it
- about it's geometric center.
-
- F8: F8 expands the size of the object or scene about it's
- geometric center.
-
- F9: Once rendering has begun, F9 can be used to push Scene3DX
- into the background via multitasking. You can then use the
- Amiga for other tasks concurrently. CAUTION. Once you have
- pushed Scene3DX into the background, you cannot communicate
- with Scene3DX until rendering is complete. At that time,
- Scene3DX will return. If your concurrent program uses
- excessive memory, Scene3DX will not be able to return and
- your rendering will be lost.
-
- F10: F10 (and F5) will interrupt a rendering in process and
- return you to a line drawing of the object. These interrupt
- requests may take several seconds to operate depending on
- the size of the object or scene. Be patient.
-
-
- ESC: The escape Key terminates the program. Escape will not interrupt
- rendering in process. Use F5 or F10.
-
-
- LIMITATIONS:
-
- The following simplifications have been made regarding Sculpt 3D
- objects or scenes. Background (sky) must be a solid color. All
- lamps are assumed to be white light. The Sculpt3D automatic
- ground plane is not recognized. You can, however draw your own
- ground plane as a part of the scene.
-
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