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Subject: Why?

airflamesred opened this issue on Jan 15, 2010 · 9 posts
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airflamesred ( ) posted Fri, 15 January 2010 at 5:15 AM · edited Sun, 24 November 2024 at 7:33 AM

Why is the Z axis the verticle one in blender?

alexcoppo ( ) posted Fri, 15 January 2010 at 10:37 AM

Why not :biggrin: ?

GIMP 2.7.4, Inkscape 0.48, Genetica 3.6 Basic, FilterForge 3 Professional, Blender 2.61, SketchUp 8, PoserPro 2012, Vue 10 Infinite, World Machine 2.3, GeoControl 2

airflamesred ( ) posted Fri, 15 January 2010 at 11:08 AM

OK

haloedrain ( ) posted Fri, 15 January 2010 at 12:48 PM

I believe the vertical z axis devotees argue that it's more consistent with mathematical diagrams (http://en.wikipedia.org/wiki/Cartesian_coordinate_system#Cartesian_coordinates_in_three_dimensions)

SilverDolphin ( ) posted Fri, 15 January 2010 at 9:20 PM

Isn't free will a horrible thing ; )

airflamesred ( ) posted Sat, 16 January 2010 at 5:59 AM

Thank you Haloedrain
It just struck me that Blender has obviously been well thuoght out and yet this feature is different to every other 3d app I have ever seen. Even photoshop think the z goes front to back.

DramaKing ( ) posted Sat, 23 January 2010 at 8:34 AM

I don't think it's that unusual. In 3dsmax, the z axis is the depth axis by default, but there are also many other coordinate systems that it supports. Lightwave might use the same coordinate system, but I'm not sure. Blender isn't that unusual, but then again it isn't like other apps either.

It is better to do one thing well, than to do many things and excel at nothing.

alexcoppo ( ) posted Sun, 24 January 2010 at 3:06 AM

It all boils down whether you use a left or right handed coordinate system (it is a totally arbitrary choice, so this is the explanation of my probably-too-cryptic why not).

It is not a case that often mesh importers provide you methods to specify the system to import from or even a totally generic coordinate mapping.

One creates a 2001-like monolith with 1:4:9 proportions and checks in which way it comes in and then knows who to handle conventions.

If you are dealing with many similar imports, in Blender you can create a specialized import script.

Bye!!!

GIMP 2.7.4, Inkscape 0.48, Genetica 3.6 Basic, FilterForge 3 Professional, Blender 2.61, SketchUp 8, PoserPro 2012, Vue 10 Infinite, World Machine 2.3, GeoControl 2

aprillove20 ( ) posted Mon, 25 January 2010 at 9:06 PM

.lol. alexcoppo..

airflamesred asked it seriously..

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