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x, y, z coordinates
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x, y, z coordinates // New Users
Post by howiesfunware // Aug 31, 2006, 8:35am
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howiesfunware
Total Posts: 4
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I have trueSpace5. The coordinate system has the Y and Z swapped. Is there a way to switch this? |
Post by Rareth // Aug 31, 2006, 9:20am
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Rareth
Total Posts: 149
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Not sure if there is a way to redefine the coords or not, I haven't really looked into it. but then I don't see Truespace's coord system as "wrong", in my opinion Bryce5 has it "wrong" |
Post by TomG // Aug 31, 2006, 9:52am
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TomG
Total Posts: 3397
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There is no way to change which is the x, y and z in trueSpace.
HTH!
Tom |
Post by howiesfunware // Aug 31, 2006, 5:16pm
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howiesfunware
Total Posts: 4
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I always thought x was the horizontal axis, y was the vertical axis and z was the axis into the screen. Why is the y and z setup that way? |
Post by LazeeGazzz // Aug 31, 2006, 6:19pm
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LazeeGazzz
Total Posts: 55
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I always thought x was the horizontal axis, y was the vertical axis and z was the axis into the screen.
I know what you mean. This might help; imagine yourself as an insect that has landed on the surface of your monitor. From this POV the X&Y axes recede into the corners of the monitor and the Z axis stands before you like a skyscraper. Now tS' world view does match your expectation, only your frame of reference has changed. The ground plane in tS equates to the screen you are looking at. Now where did I put those headache tablets..... |
Post by TomG // Sep 1, 2006, 1:39am
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TomG
Total Posts: 3397
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There is no "rule" that relates to how the axes work in any app. Several apps take several different approaches.
Now the 2D axes are well defined - x is left to right, and y is toward you and away from you.
So if you placed the graph flat on the ground, and looked down on it directly from above, then that leaves z to be up and down in the 3D world (ie toward and away from you).
Alternatively, if you place the graph standing upright and look at it straight ahead, then that makes x left and right still, but now y is up and down in the world, and that leaves z to be left and right.
There is no "correct" placement of the graph in 3D space though. Personally it makes sense to me to place it flat on the ground, since that is what we do with real graphs or real pieces of paper - lay it flat on the table, looking at it from sitting in front of the table, and that makes x my left and right, y toward and away from me, and leaves any z as being up and down.
Which is just what tS does :)
Of course equally you might visualise your monitor as the flat piece of paper for the graph, staring ahead into the 3D space, making x left and right, y up and down, and z toward and away.
Either way is just as valid as another. Remember, the world is relative, not absolute :)
HTH!
Tom |
Post by spacekdet // Sep 1, 2006, 5:25am
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spacekdet
Total Posts: 1360
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If you think that this is fun, just wait until you start figuring out Object, World, and Screen modes! |
Post by howiesfunware // Sep 1, 2006, 1:02pm
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howiesfunware
Total Posts: 4
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yes, time to reach for the Tylenol.
I get it. Thanks. |
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