Re: Impressions of XSI6 after using it for 1 month

Date : Tue, 06 Feb 2007 19:50:56 +0100
To : XSI(at)Softimage.COM
From : André Adam <a_adam(at)49games.de>
Subject : Re: Impressions of XSI6 after using it for 1 month
Sorry, I really don't get it, slider for interactive weight editing, typing values directly in the input box for numerical editing. What are you missing? Typed values don't get transferred to the envelope until you press return...


Stefan Kubicek wrote:
Thanks Andre, but I think I understand the way skinning in XSI (and Max) works. They are both very interactive,
yet at the same time iterative. The point I was trying to make was that I found myself
using the slider more like a button to apply skin weights, although it is not necessarily
totally obvious that it can even be used as such (shift-click). Some other people might find the same.
The reson I'm not using it as a slider so much is because I found it too time consuming fiddling around with the
mouse over the slider, trying to hit the exact value that I desire, especially if I have to do it repeatedly
over different vertices (which is where the iterational part comes in) or when you want to increase skin weights in fixed
quantities (e.g. in steps of 5 for example). This is where I'd rather press a button that adds a fixed quantity of weight
to the vertex. I find this more tidy.





This is definately not a slowdown but a HUGE gain in efficiency. The beauty of the immediate link between the weight editor and the envelope is that you can get your character through the rig into a deformed stage and manipulate the weights interactively while watching the envelope to change shape. Combined with the individual viewport display of different construction modes, the weighting tools are very streamlined and efficient. Weight editing is not iterative but interactive.


Fred Jacob wrote:
Exact values can be typed in manually, but they are also directly applied when changed. While this sounds cool this is often slowing workflow down because more often than none the dialed in value turns out to be non-ideal (skin weighting is a highly iterative process), so it would be better to always work with very small values and incrementally add them to selected vertices. To do this with the current Edit Tools one constantly has to deselect all vertices, change the Deformer Weight value, then select some vertices and shift-click on the slider (something that took me 2 hours to figure out by accident) to assign that small weight change.
This resembles very closely the way skin weights can be applied in 3dsMax, but a dedicated button to assign the weight rather than having to shift-click the slider would be more obvious, especially for new users. In this context it would also make more sense to have the
Deformer Weight slider change not directly result in changed vertex weights but rather pressing the Add, Add% or Abs buttons should have this effect instead of them being mere modal buttons.
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