From juergen.wehr at stz-wuerzburg.de  Thu Apr  1 17:32:26 2004From: juergen.wehr at stz-wuerzburg.de (juergen.wehr@stz-wuerzburg.de)Date: Thu Apr  1 17:32:48 2004Subject: [Acis-alliance] global Refinement settingsMessage-ID: <20040401223226.GA22488@softwehr.net>Hello,I want to confugre a Refinement global for all kinds of geometries.I need/want following properties:- create as few triangles as possible- create all non-triangles as poygons with 4 vertices (Positions)- limit number of quads and triangles (e.g. 250+-50, 100+-50)Is there any possibility to get this options by configuring theRefinement?Thank you very much for your supportJuergen WehrFrom luo at irs.fzk.de  Fri Apr  2 02:29:41 2004From: luo at irs.fzk.de (Luo, Yue-Tong)Date: Fri Apr  2 02:30:01 2004Subject: [Acis-alliance] About Boolean OperationMessage-ID: <9D8858B0D1DF0C48A5604A32A41E51A98C9F01@irsmsx1.irs.fzk.de>Hi,   I call res = DoBoolean(b1, b2) in my program to implement Booleanoperation between b1 and b2.  Res.ok() is true, but the result returnedby b2 is incorrect, What is the matter? And how can I detect such error? Thank you in advance!Yuetong Luo-------------- next part --------------An HTML attachment was scrubbed...URL: http://lists.cs.columbia.edu/pipermail/acis-alliance/attachments/20040402/a124e505/attachment.htmlFrom harip at formz.com  Fri Apr  2 09:45:51 2004From: harip at formz.com (Harigopal Polisetty)Date: Fri Apr  2 09:47:01 2004Subject: [Acis-alliance] global Refinement settingsIn-Reply-To: <20040401223226.GA22488@softwehr.net>Message-ID: <l03130301bc932accfea6@[192.168.1.117]>The following refinement criteria should work.REFINEMENT *ref_global;ref_global->set_surf_mode(AF_SURF_ALL);ref_global->set_triang_mode(AF_TRIANG_NONE);ref_global->set_grid_mode(AF_GRID_TO_EDGES);ref_global->set_max_grid_lines(250);HariAt 5:32 PM -0500 4/1/04, juergen.wehr@stz-wuerzburg.de wrote:>Hello,>>>I want to confugre a Refinement global for all kinds of geometries.>I need/want following properties:>- create as few triangles as possible>- create all non-triangles as poygons with 4 vertices (Positions)>- limit number of quads and triangles (e.g. 250+-50, 100+-50)>>>Is there any possibility to get this options by configuring the>Refinement?>>Thank you very much for your support>>>>Juergen Wehr>_______________________________________________>Acis-alliance mailing list>Acis-alliance@cs.columbia.edu>http://lists.cs.columbia.edu/mailman/listinfo/acis-allianceFrom juergen.wehr at stz-wuerzburg.de  Sat Apr  3 23:21:13 2004From: juergen.wehr at stz-wuerzburg.de (juergen.wehr@stz-wuerzburg.de)Date: Sat Apr  3 23:22:43 2004Subject: [Acis-alliance] global Refinement settingsIn-Reply-To: <l03130301bc932accfea6@[192.168.1.117]>References: <20040401223226.GA22488@softwehr.net>	<l03130301bc932accfea6@[192.168.1.117]>Message-ID: <20040404042113.GA15415@softwehr.net>Hello, thank you very much -> it looks nearly perfect-> nearly?I've one more problem:The Faceter creates polygons with 3, 4 and more vertices.Is there a posibility to force the facter to create onlypolygons with 3 or 4 vertices?I know that I can splitt the 4+n -vertex polygons to single triangles, but->there's the problem of convex and concav areas.a algorithm like read 3 vertices, create triangle, read 3 more vertices , ....would create wrong triangles (sometimes) in cause of convex/concav areas of the polygonis there any possibility to configure the refinement and/or function to split the polygon to triangles or quads?thank you very much for your supportJuergen WehrOn Fri, Apr 02, 2004 at 09:45:51AM -0500, Harigopal Polisetty wrote:> The following refinement criteria should work.> > REFINEMENT *ref_global;> > ref_global->set_surf_mode(AF_SURF_ALL);> ref_global->set_triang_mode(AF_TRIANG_NONE);> ref_global->set_grid_mode(AF_GRID_TO_EDGES);> ref_global->set_max_grid_lines(250);> > Hari> > At 5:32 PM -0500 4/1/04, juergen.wehr@stz-wuerzburg.de wrote:> >Hello,> >> >> >I want to confugre a Refinement global for all kinds of geometries.> >I need/want following properties:> >- create as few triangles as possible> >- create all non-triangles as poygons with 4 vertices (Positions)> >- limit number of quads and triangles (e.g. 250+-50, 100+-50)> >> >> >Is there any possibility to get this options by configuring the> >Refinement?> >> >Thank you very much for your support> >> >> >> >Juergen Wehr> >_______________________________________________> >Acis-alliance mailing list> >Acis-alliance@cs.columbia.edu> >http://lists.cs.columbia.edu/mailman/listinfo/acis-alliance> > > > _______________________________________________> Acis-alliance mailing list> Acis-alliance@cs.columbia.edu> http://lists.cs.columbia.edu/mailman/listinfo/acis-allianceFrom luo at irs.fzk.de  Sun Apr  4 09:12:37 2004From: luo at irs.fzk.de (Luo, Yue-Tong)Date: Sun Apr  4 09:13:46 2004Subject: [Acis-alliance] how to construct quadric surfaceMessage-ID: <9D8858B0D1DF0C48A5604A32A41E51A98C9F03@irsmsx1.irs.fzk.de>Hi, All,Now I want to construct a quadric  according to its implicit function,is it possible?  Any suggestion is welcome! Best wishes,Yuetong Luo-------------- next part --------------An HTML attachment was scrubbed...URL: http://lists.cs.columbia.edu/pipermail/acis-alliance/attachments/20040404/629b0cc7/attachment.htmlFrom NFarnsworth at web.de  Mon Apr  5 03:44:41 2004From: NFarnsworth at web.de (NFarnsworth@web.de)Date: Mon Apr  5 03:46:35 2004Subject: [Acis-alliance] Modify ACIS ShapesMessage-ID: <442577676@web.de>Hallo,Thanks for your help.if I change a Paramater of an ACIS CONE geometry, the ACIS BODY will not be updated. Is there are a posibitliyt to do the update manually?Thanks for your supportNiklas --- "Ames, Arlo" <alames@sandia.gov> schrieb: > 3 solutions:> > 1.  You have a body.  Walk its LUMP->SHELL->FACE,> get the face's SURFACE.> The SURFACE can be cast as a SPHERE, which has a> sphere which has the> parameter you're interested in.  Change the sphere's> radius and move on.> You might have trouble if the body has cached info> (e.g. box information)> that needs updated, I think if you use the right> functions to make the> change the cached info goes away.> > 2.  A cheap hack is to create an appropriate scaling> transf (note that> scaling also scales the position of the center of> the sphere), do> api_apply_transf to the body, then> api_change_body_trans(body,NULL) and the> parameter will change.  This transf approach changes> the ENTIRE model -- it> isn't a local change.  It will get the job done. > Note that if you have a> more complex model (involving faces adjacent at> edges) scaling the model> opens up or closes down gaps in the model that occur> at intersections, which> can later cause problems with geometric operators> like booleans.  If you> only have surfaces, or if you have simple quadric> (non NURBS) surfaces> intersecting in simple (non NURBS) curves, you can> also get away with this.> > 3.  The LOPS husk permits a wide range of mods to be> made to models having> intersection edges; its limits are cases where you> have topology changes.> Portability of your application to other geometric> engines might be a> problem if you use LOPS (I've not yet found LOPS in> other geometry kernels).> > Of the three, I'd use 1 or 2 if I had a very simple> model and needed it> quickly.  LOPS isn't at all difficult to learn,> though, and is general> enough that for a model of any complexity it's the> thing to do.> > Arlo> > > > > -----Original Message-----> From: nfarnsworth@web.de [mailto:nfarnsworth@web.de]> > Sent: Saturday, March 13, 2004 9:03 AM> To: acis-alliance@cs.columbia.edu> Subject: [Acis-alliance] Modify ACIS Shapes> > > Hallo,> I am using the ACIS C-api functions and I want to> create a sphere with > the following source code:> > outcome oc = api_solid_sphere(SPAposition(0.0,> 0.0,0.0), m_dRadius,> m_pAcisShape);> > Is there a posibilty to modify the radius of the> sphere after creation.> Thanks for your support Niklas> Acis-alliance mailing list> Acis-alliance@cs.columbia.edu> http://lists.cs.columbia.edu/mailman/listinfo/acis-alliance> > >  _______________________________________________________________________... and the winner is... WEB.DE FreeMail! - Deutschlands beste E-Mailist zum 39. Mal Testsieger (PC Praxis 03/04) http://f.web.de/?mc=021191From iamsweeting at 163.com  Mon Apr  5 05:22:39 2004From: iamsweeting at 163.com (iamsweeting)Date: Mon Apr  5 05:37:02 2004Subject: [Acis-alliance] (no subject)Message-ID: <200404050936.i359aCdL013180@ober.cs.columbia.edu>Hi   I use ACIS7 to program,now i want to get some example codes using c or c++ languae,or tellme the internet address.thanks.   				            yours sweeting　　　　　　　　iamsweeting@163.com　　　　　　　　　　2004-04-05From harip at formz.com  Mon Apr  5 10:59:08 2004From: harip at formz.com (Harigopal Polisetty)Date: Mon Apr  5 10:59:49 2004Subject: [Acis-alliance] global Refinement settingsIn-Reply-To: <20040404042113.GA15415@softwehr.net>References: <l03130301bc932accfea6@[192.168.1.117]>	<20040401223226.GA22488@softwehr.net>	<l03130301bc932accfea6@[192.168.1.117]>Message-ID: <l03130300bc9723e24b98@[192.168.1.117]>You can get all the facets triangulated by settingref_global->set_triang_mode(AF_TRIANG_ALL);I'm not aware of any setting to split n-sided polygons to quads.HariAt 12:21 AM -0400 4/4/04, juergen.wehr@stz-wuerzburg.de wrote:>Hello,>> thank you very much -> it looks nearly perfect>-> nearly?>>I've one more problem:>>The Faceter creates polygons with 3, 4 and more vertices.>Is there a posibility to force the facter to create only>polygons with 3 or 4 vertices?>>I know that I can splitt the 4+n -vertex polygons to single triangles, but->>there's the problem of convex and concav areas.>>a algorithm like read 3 vertices, create triangle, read 3 more vertices , ....>would create wrong triangles (sometimes) in cause of convex/concav areas>of the polygon>>is there any possibility to configure the refinement and/or function to>split the polygon>to triangles or quads?>>>thank you very much for your support>>>Juergen Wehr>>>>>On Fri, Apr 02, 2004 at 09:45:51AM -0500, Harigopal Polisetty wrote:>> The following refinement criteria should work.>>>> REFINEMENT *ref_global;>>>> ref_global->set_surf_mode(AF_SURF_ALL);>> ref_global->set_triang_mode(AF_TRIANG_NONE);>> ref_global->set_grid_mode(AF_GRID_TO_EDGES);>> ref_global->set_max_grid_lines(250);>>>> Hari>>>> At 5:32 PM -0500 4/1/04, juergen.wehr@stz-wuerzburg.de wrote:>> >Hello,>> >>> >>> >I want to confugre a Refinement global for all kinds of geometries.>> >I need/want following properties: