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 From:  Michael Gibson 18 Mar 2007  (41 of 91) 
481.41 In reply to 481.40 
> Is it possible to add another trimming option where you could specify
> a gap as well as the extent of it, instead of drawing two offset lines
> first? Just wondering. If not, forget about it.

Unfortunately it would be really difficult to make this work well, especially in corner areas where two of your trimming lines come to a sharp corner, and also in junctures where there are several of them coming out from one point.

So I don't think it will be possible to do this anytime soon. Maybe some day...

- Michael
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 From:  blenddoodler 19 Mar 2007  (42 of 91) 
481.42 
Thanks, Michael. Good thing is there are enough tools to achieve the desired result. I was also thinking of an auto kind of trimming when it comes to lines/curves to be used in bool/trim ops. Two intersecting lines, for example, offsetted on both sides, then the original lines disappears as well as unwanted lines such as those inside the intersection. I think Moi should have some kind of an embedded programming tool like Autolisp or something so that users can participate in adding some little tiny functionality even if only when it comes to 2d shapes.

Anyways, this is still a draft. As they say a journey begins with one step. It's not necessary for me to render it lifelike. What's important is knowing that the tools are there to achieve the bigger magical picture.
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 From:  Frenchy Pilou (PILOU) 19 Mar 2007  (43 of 91) 
481.43 In reply to 481.42 
Added to the special thread gallerry :)
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Pilou
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 From:  Michael Gibson 20 Mar 2007  (44 of 91) 
481.44 In reply to 481.42 
> I think Moi should have some kind of an embedded programming tool like
> Autolisp or something so that users can participate in adding some little tiny
> functionality even if only when it comes to 2d shapes.

MoI uses JavaScript as this kind of embedded programming language. It's actually used quite extensively to control how each command works (when to hide and show controls, etc..) - the script file for each command is inside the \commands subdirectory.

But it takes a lot of effort to document how to use MoI in combination with a programming language. The documentation and support work far outweighs just having the embedded language capability. I don't expect to have enough time to do proper documentation of this type of scripting for the V1 release of MoI, but it is something that I would like to focus on more in future versions.

- Michael
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 From:  Jesse 20 Mar 2007  (45 of 91) 
481.45 In reply to 481.22 
I'm not sure what I'm doing wrong...I did this before and still can't figure it out! I checked Enable HTML,
when I look at the preview it's OK, so I hit Apply and the spellchecker comes on.
I cancel the spell shecker and hit OK, but the image does not appear.

Jesse
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 From:  Frenchy Pilou (PILOU) 20 Mar 2007  (46 of 91) 
481.46 In reply to 481.45 
You must when Edit your post
"Enabled with auto-line-breaks"
erase the special caracteres around your image address and all will works fine !
I had same problem before :)
---
Pilou
Is beautiful that please without concept!
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 From:  Michael Gibson 20 Mar 2007  (47 of 91) 
481.47 In reply to 481.46 
Yeah, it is possible it converted your angle brackets into plain text angle brackets at one point.

That would look something like this: <img where the brackets around your image have been replaced with an escape code for showing a less-than or greater-than bracket.

If that happens, you've got to go in there and remove those escape codes and put just a < or > character.

-Michael
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 From:  Jesse 21 Mar 2007  (48 of 91) 
481.48 In reply to 481.47 
Modeled in MoI, rendered in Flamingo.

-Jesse

EDITED: 22 Mar 2007 by JESSE
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 From:  blenddoodler 21 Mar 2007  (49 of 91) 
481.49 In reply to 481.44 

"But it takes a lot of effort to document how to use MoI in combination with a programming language. The documentation and support work far outweighs just having the embedded language capability. I don't expect to have enough time to do proper documentation of this type of scripting for the V1 release of MoI, but it is something that I would like to focus on more in future versions." --Michael
------------
I sure understand. At some point you have to, Michael, imo. Perhaps at version 2.x(?) Not that it is badly needed at the moment. I've heard of Moi before and grabbed the then current beta which was months ago. It's grown pretty fast. Arrays are now there and the booleans and fillets work perfectly and it no longer crashes! But it will even grow faster if there is some kind of audience participation. It's what made AutoCAD the way it is today, its open architecture. It's still Autodesk's flagship, it's main bread and butter. Now it's got Maya and Max. You may be be able to buy Adobe someday, hehe. And Corel. Or Newtek. ;-)
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 From:  Michael Gibson 21 Mar 2007  (50 of 91) 
481.50 In reply to 481.49 
> You may be be able to buy Adobe someday, hehe. And Corel. Or Newtek. ;-)

:) :) Well, I think I'll be pretty happy if I can just manage to survive as my own small business...

- Michael
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 From:  Frenchy Pilou (PILOU) 21 Mar 2007  (51 of 91) 
481.51 In reply to 481.50 
Don't dream : google will buy all softs for put them on Google Earth :D
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Message 481.52 deleted 21 Mar 2007 by JESSE

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 From:  Michael Gibson 24 Mar 2007  (53 of 91) 
481.53 In reply to 481.42 
Ok, one thing I've been working on for the last day or so is a new "Tangent preserving sweep" mechanism.

This is a special mode for sweep which can kick in if you have all planar profiles, and all profiles share a common tangent direction. In this case the sweep is done in a different way such that the resulting surface maintains the common tangent direction of the profiles.

In a normal sweep the profiles get disturbed due to their rotation as they slide along the rails, if the rails are not symmetrical mirror images of one another.

Here is an image to show the results - these are half surfaces mirrored over with the center edge hidden. The standard sweep is on the left, the new Tangent preserving sweep on the right.



Surface quality seems amazingly good, except for a small subtle bump right near the pole, I'm going to see if I can do something about that.

I was also thinking of calling this a "mouse buttocks removal" sweep... :)

- Michael

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 From:  Joe (INNERACTIVE) 24 Mar 2007  (54 of 91) 
481.54 In reply to 481.53 
This will be a great addition, thanks. I would also like to toss in a vote for the 3-rail sweep method Tyglik posted an image of. I find that the more profile shapes I add to my sweep the chances increase that I will end up up with what looks like a "wrinkle" appearing between profiles after the sweep is completed. Also, I generally have to draw the third rail anyway as a guide to create my profiles, so it would save a lot of time to just be able to use it in the sweep.
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 From:  Michael Gibson 25 Mar 2007  (55 of 91) 
481.55 In reply to 481.54 
Well, I was able to reduce the size of the bump in the new tangent preserving sweep when it collapses down to a point, but I was not able to completely remove it. It is a pretty tiny bump so I think for many purposes it is ok, but it does mess up stuff like shelling and offsets. I'm still going to keep this new tangent preserving mode as an option because it will work nicely for certain situations, and there isn't any bump in situations where the rails don't collapse down to a point.

Joe wrote:
> I would also like to toss in a vote for the 3-rail sweep method Tyglik posted an image of.

Yup, I'm working on this next. So far I've got it working with one-rail sweep, here is an example.
Regular one-rail sweep:



One-rail sweep with new scaling curve set:



Basically this allows you to have another curve drawn which gives a scale factor to the sweep profile as it moves along the main sweep rail. This can be nice because previously to get this type of a shape you would have to make a whole bunch of different sized cross-sections for the sweep. It is a lot easier to have one additional guide curve to control this type of thing instead.

It should be pretty similar for 2-rail sweep - that's next.

- Michael

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 From:  Frenchy Pilou (PILOU) 25 Mar 2007  (56 of 91) 
481.56 In reply to 481.55 

Sweet curves :)
What append when the internal curve auto intersect itself due the angle too hard?
It's like filet : nothing is calculated or form is drawn in any case?

---
Pilou
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 From:  Michael Gibson 25 Mar 2007  (57 of 91) 
481.57 In reply to 481.56 
> What append when the internal curve auto intersect itself due
> the angle too hard?
> It's like filet : nothing is calculated or form is drawn in any case?

This one should create the surface anyway (just like current one-rail sweep), but the result will of course be messy with a self-intersecting surface.

Here's another example. Some pretty elegant results are possible from just 3 definition curves!



- Michael

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 From:  Joe (INNERACTIVE) 25 Mar 2007  (58 of 91) 
481.58 In reply to 481.57 
Yes, that is what I was hoping for! In the current version I have to create a bunch of profiles and experiment with their placement until I get a smooth result. This feature will make for a much faster workflow with better results.
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 From:  Frenchy Pilou (PILOU) 25 Mar 2007  (59 of 91) 
481.59 In reply to 481.57 

Of course I suppose than you can modify the form result by the history of the start curves ?

I suppose also than the 3 curves can be open?

And for the next versions when you will have 4 curves that will be a little like coons curve?

Ps What is the name of this "one sweep" with special scale rails?

---
Pilou
Is beautiful that please without concept!
My Gallery

EDITED: 25 Mar 2007 by PILOU
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 From:  Jesse 26 Mar 2007  (60 of 91) 
481.60 In reply to 481.55 
Hi Michael,

Someone had developed a script for Rhino3 that did this operation, but it's nice to have it as a "built in" feature
so that it's accessible to everyone rather than the just the scripting gurus and the users that collect their scripts! ;-)

Jesse
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