Full Version: V5 Wish List

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HI mdesign, OpenInventor is not a CAD geometry kernel, it is what is called a "scene graph". It's basically a library for managing the display of 3D objects.

There is also a CAD program called "Inventor" made by Autodesk but it does not have any relation to the OpenInventor scene graph library.

- Michael

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Hi mdesign,

re:
> In the matter of ViaCad. I`ve asked on their forum. Only ViaCad Pro has got ACIS kernel modeling
> tools. ViaCad 2d/3d doesn`t. It changed lately. It`s not so cheap to buy it only for fillets.

Are you sure about this? Their feature comparison page here:
https://www.punchcad.com/product-line-comparison

Has "ACIS® Solid Modeling Kernel" and "Shelling, Blending" both marked for ViaCAD 2D/3D...

- Michael

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On one chart they showed that ACIS is inside on other they showed there is no ACIS. That second was changed since I`ve read about it.

I`ve asked on their forum cause I`ve read few threads there about it and I want to make sure.

http://forum.punchcad.com/default.aspx?g=posts&t=10517#post39953

They sends only PRO version as trial so it`s impossible to check before buying.

If it`s true then it`s dirty move to write not truth on their site.

QUOTE: "PunchCAD, that is, ViaCAD and Shark and variants, was originally the 'retail' line that grew out of Concepts Unlimited. Punch! was bought up by Encore/Broderbund, Encore by IMSI in turn. Licensing arrangements have been subject to those realignments, ownership and management changes, the loss of Mesh-to-NURBS and even the removal of ACIS from base versions are an unfortunate outcome. It's useful to remember that Shark Pro V10 and PPPro have flexible license that enable installation on multiple PCs, even now. Installations can only be open one at a time, but V11 and V12 can't be multiple-installed, and to me, that's as great a loss as mesh-to-nurbs. Maybe time for dongles to make a comeback?"

this quote was from this site: http://forum.punchcad.com/default.aspx?g=posts&m=39920#post39920

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Hmmm. well the responses on the forum do not seem to be from someone at the company itself.

That's a bummer if that's correct though.

- Michael

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1) this was official forum
2) look on features in ViaCAD Pro they say something about ACIS in ViaCAD 2d/3d is nothing. Look also that ViaCad 2d/3d has no STEP translator which has been done with using ACIS.

Edit: For that price of ViaCAD Pro is possible to buy parametric Alibre Design (also ACIS).

Edit2: Is it very expensive to include ACIS kernel from MoI modeling tools into even if MoI would cost twice? Is it possible? I mean only those which are better. Or its bad idea to mix more than one kernel in CAD software? I deam loudly about MoI with some ACIS/parasolid filleting, offseting and shelling. I`m asking because in Rhino I use very nice Xnurbs patching plugin which has own kernel only for this single operation and it`s brilliant. I hope there will be more plugins like that.

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Hi mdesign, I guess it looks like that is true about ViaCAD 2D/3D "regular" version not having ACIS anymore. It's also discussed here:
http://forum.punchcad.com/default.aspx?g=posts&t=10462#post39765

That doesn't make a lot of sense to rip out so many functions from a program and then present it as a new version to upgrade to.

- Michael

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Here is MOI to 123d and Back to MOI via STEP file format.
Using version 123D_Design_R2.2_WIN64_2.2.14

Image Attachments:
123d.JPG 

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that's a pity. I wanted to give them my money but after seeing that compare chart and for moves like this I won`t.

That purchase of ViaCAD PRO for more than 600$ is without sense.

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But no need to used (for avoid any problem) it if you turn the Generator curve of the sphere before the Union! ;)
It must don't touch the cube!
Then Fillets works like a charm! :)



Try with this one! https://moiscript.weebly.com/uploads/3/9/3/8/3938813/exo0905.3dm

Don't ask me why! :) you must turn it! (fillet 1 will be fine)

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Hi mdesign,

re:
> Edit2: Is it very expensive to include ACIS kernel from MoI modeling tools into
> even if MoI would cost twice? Is it possible? I mean only those which are better. Or
> its bad idea to mix more than one kernel in CAD software?

It's possible to use more than one kernel but it can be difficult if one of them is finicky about what kind of geometry it accepts. Both ACIS and Parasolid are on the fairly finicky side of things.

- Michael

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I don't know if anyone asked for this before!

Could we have something like C-selection in blender?

(in blender in wire frame mode one can press C and then a circle appears around the mouse radius of the circle is controllable by mouse wheel, with that circle the user is able to select certain edges, surfaces, points. and by pressing Shift user can deselect)

Could we have such thing? It would be useful for cases I have tried to show below:

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Hi Psygorn, what are you trying to select in the case you are showing, is it all the vertical edges or something else?

- Michael

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"But no need to used (for avoid any problem) it if you turn the Generator curve of the sphere before the Union! ;)
It must don't touch the cube!
Then Fillets works like a charm! :)
Don't ask me why! :) you must turn it! (fillet 1 will be fine)"

This is an often valid solution indeed. Calculations like fillets are more prone to failure if the fillet crosses a surface seam.

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Hi Michael,

This has probably been mentioned before, but I'd like to add the wish for SVG export from MoI. That would be very welcome for working with Blender next to MoI.

Thanks in advance!

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Hi Michael,

It's just a show case imagine I would like to select bunch of those vertical lines! (Maybe the photo is not a good example)

Is lasso selection possible in MOI?



Also in blender there is an ability in which for example user selects middle face, edges or points and then by holding Ctrl & + together; Blender selects adjacent faces, edges, point according to the number of times user presses mentioned keys. Do we have such an ability in MOI? Could we have such an ability in MOI? (I have tried to show this ability in the attached photo imagine you select middle rectangle and then by pressing a desired short key Moi would select faces that are in contact with middle rectangle)

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Hi Psygorn,

re:
> It's just a show case imagine I would like to select bunch of those vertical lines!
> (Maybe the photo is not a good example)

You can do that in MoI by using a crossing window - that's where you drag a selection window starting on the right side and moving towards the left. That will show a selection rectangle with a dashed outline which means that anything that intersects with the window at all will be selected. Here is an example with vertical lines:




> Is lasso selection possible in MOI?

There isn't a lasso selection but there is a window selection. Window selection starting from left going towards the right shows a solid outline and will only target objects completely inside the window. Starting from the right going towards the left will show a dashed outline and target anything that has any part crossing the window.


> Also in blender there is an ability in which for example user selects middle face, edges or points
> and then by holding Ctrl & + together; Blender selects adjacent faces, edges, point according to
> the number of times user presses mentioned keys. Do we have such an ability in MOI? Could
> we have such an ability in MOI?

Yes, you can set up a shortcut key to expand selection like that:
http://moi3d.com/forum/index.php?webtag=MOI&msg=6988.4

- Michael

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Maybe not exactly that you want but you have some selection commands
you can edit anything

script: /* Selection by length so similar */ var min = 1.0, max = 5.0; var crvs = moi.geometryDatabase.getObjects().getCurves(); for ( var i = 0; i < crvs.length; ++i ) { var crv = crvs.item(i); var len = crv.getLength(); if ( len>= min && len <= max ) { crv.selected = true; } }

script: /* Sélection < or > something given --> edit ">"*/ var size = 1.0; var objs = moi.geometryDatabase.getObjects(); for ( var i = 0; i < objs.length; ++i ) { var obj = objs.item(i); var bbox = obj.getBoundingBox(); if ( bbox.diagonalLength < size ) obj.selected = true; }

script: /* Longest Curve */ var curves = moi.geometryDatabase.getObjects().getCurves(); var maxlen = -1; var maxcrv = null; for ( var i = 0; i < curves.length; ++i ) { var crv = curves.item(i); if ( crv.hidden || crv.locked ) { continue; } var thislen = crv.getLength(); if ( thislen> maxlen ) { maxlen = thislen; maxcrv = crv; } } if ( maxcrv != null ) maxcrv.selected = true;

script: /* Smallest Curve*/ var curves = moi.geometryDatabase.getObjects().getCurves(); var minlen = 1e100; var mincrv = null; for ( var i = 0; i < curves.length; ++i ) { var crv = curves.item(i); if ( crv.hidden || crv.locked ) { continue; } var thislen = crv.getLength(); if ( thislen < minlen ) { minlen = thislen; mincrv = crv; } } if ( mincrv != null ) mincrv.selected = true;

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> Yes, you can set up a shortcut key to expand selection like that:
http://moi3d.com/forum/index.php?webtag=MOI&msg=6988.4

That's great :)

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Tanx PILOU :)

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@Michael,

I have another question. In MOI hidden faces still interact? take a look at the attached photo I hid two faces. and I wanted to select only those circular faces using box selection but I was not able to do so!

Attachments:
Box_Selection_Problem.3dm

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