On 1-5-2017 14:06, Stephen wrote:
> On 5/1/2017 12:11 PM, Thomas de Groot wrote:
>> On 1-5-2017 12:08, Stephen wrote:
>>> On 5/1/2017 7:50 AM, Thomas de Groot wrote:
>>>>
>>>> I am a bit wary about the mm_per_unit and prefer not to touch it too
>>>> much, especially if different objects have different scales.
>>>
>>> Yes Clipka has put the fear of god into us. :-)
>>> I suppose it depends what you intend by scaling the models.
>>>
>>
>> Indeed, yes. Take my image as example, the dragon is scaled 0.01, the
>> egg 0.25, the cube is not scaled, and the floor 0.50. It seems best to
>> use a standard mm_per_unit and change translucency as needed.
>>
>
> My understanding is that the mm_per_unit is the world/scene scale
>
> And to add to the confusion (on my part at least) meshes can have an
> internal scale and an external one. By internal scale I mean the scaling
> you can change in PoseRay before exporting and external is how you
> change it in PovRay.
> In Blender when using the physics engine the scale should be 1.0. So to
> scale a mesh. You need to edit it and scale it there. Otherwise you get
> unexpected results.
> So if the dragon is an ornament. I would scale it down in PoseRay. If it
> is a statue scale it up in PoseRay. Keep the mm_per_unit as the default.
> Having said that. I have not used SSLT since its RC3. :-(
> So what do I know?
>
>

This all makes a lot of sense indeed. Generally, I do not build a scene 
with a particular scale in mind so I just assemble the elements and let 
the observer do the rest. Thus, a landscape can very well be built by 
either relatively small elements or by big ones, I do not care as I am 
only interested in the final effect.

With SSLT it seems I have to be much more careful.... ;-)

-- 
Thomas

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