Hi,
Can anyone recommend a tool for examining intersections (and
near-intersections) of a surface object and a plane.
I have two 3D objects: a plane and a surface.
The surface is a relatively simple function, e.g. z=x^2+y^2.
I'm looking for a tool which would let me
1) navigate though a 3D space (move, zoom, rotate view)
2) position the plane in space relative to the surface OR
position the surface relative to the plane. (By positioning
I mean movement and rotation/orientation of an object.)
3) examine (I guess by color or intensity of pixels) the distance
(let's say the distance is D) from the surface to the plane.
Then the pixel color/intensity of the plane would be 1/D^2.
I.e. intersection of the plane with the surface would be
*very* bright.
Please note that an example of the above would be if the plane
was the plane of the x-y coordinates, and the tool had the
capability to derive and show the "contours" from the current
position of the surface object above(below) the x-y plane.
The tool would let me position the surface object interactively
(e.g. I give it three points relative to the surface object in
current coordinates, and it rotates / orients the object to put
these three points into the plane, and displays the new contour.
Or similar.)
All this time the only way I have specified the surface object
is using the simple z=x^2+y^2 formula.
I know that e.g. OpenDX can let me navigate through space, but
is it capable of
i) letting me interactively position a plane
on the display (or conversely: letting me rotate&position the
surface object interactively on the display), and
ii) derive the contour map: calculate the distance from the
plane to the surface pixel-by-pixel (or every Nth pixel or
every grid-point) ?
Can anyone recommend a tool ?
(and maybe a way how to tell the tool to do this)
I would be ethernally thankful !
I would like to examine the distance(s)/intersections even
for large coordinates, so the software should either accept
big numbers for input data (1e10) (if the tool wouldn't accept
the surface as function z=x^2+y^2) or use float / double
internally (if the tool does accept z=x^2+y^2 as the surface
object definition - preferable !).
Thanx in advance,
John [EMAIL PROTECTED]
PS: I'm currently running Linux (KDE3.0.3 / Gnome 2.0), but
I would get Winblose, if I had to. I know how to compile myself
a line or two.
