2005-march.txt

acis说明文档

From juergen.wehr at stz-wuerzburg.de  Tue Mar  1 04:30:08 2005
From: juergen.wehr at stz-wuerzburg.de ([e-mail])
Date: Tue Mar  1 04:31:02 2005
Subject: [Acis-alliance] get normal
Message-ID: <[e-mail]>

Hello,

I create a shell-body by sweeping a profil (BSpline) around an axis.

Later I get a point on the shell of that body an need it's normal.

Is there an simple way to do that?


thank you very much for your support,



Juergen




-- 
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Juergen Wehr
Dipl.-Informatiker (FH)
--- CAx - Simulation - Virtual Reality - Netzwerktechnik / -Sicherheit ---

Nikolausstr. 14
97082 Wuerzburg
Germany
fon:    [phone]
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email:  [e-mail]
From xlr_yzy at 163.com  Fri Mar 11 07:47:23 2005
From: xlr_yzy at 163.com (=?gb2312?B?eGxyX3l6eQ==?=)
Date: Fri Mar 11 07:47:54 2005
Subject: [Acis-alliance] how to use api_curve_spline?
Message-ID: <[e-mail]>

hello!
i want to use api_curve_spline to get a spline, i don't know how to use the api(the application always dispears when it run over).
can you give me an example about the api_curve_spline?
thank you very much!
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From xlr_yzy at 163.com  Mon Mar 21 02:10:48 2005
From: xlr_yzy at 163.com (=?gb2312?B?eGxyX3l6eQ==?=)
Date: Mon Mar 21 02:11:23 2005
Subject: [Acis-alliance] how to define attribute?
Message-ID: <[e-mail]>

hello!
I want derive my own attribute from ATTRIB. I have wroten the example "ATTRIB_COLOR" according to the example offered by ACIS,but i got many errors after ran. who can give me an example about the way of defining attribute?
 
thank you very much !

     xuliru
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From edilson at cenapad.unicamp.br  Wed Mar 23 09:05:42 2005
From: edilson at cenapad.unicamp.br (=?ISO-8859-1?Q?Edilson_Gr=C3=BCnheidt_Borges?=)
Date: Wed Mar 23 09:06:55 2005
Subject: [Acis-alliance] Reading sat files on qt-hoops gui.
Message-ID: <Pine.A41.4.21.0503231101500.58578-100000@delos>

Dear subscribers,
I got a problem reading acis sat files in a GUI developed with qt and
hoops libraries. I am using g++  version 3.3.3 20040412 (Red Hat Linux
3.3.3-7) over Fedora core 2, with qt 3.3, ACISr14 plus ACISsp3 and
HOOPS-1100 libraries.
The following codes do not works as I suppose they must do:

#include <ha_bridge.h>
#include <kernapi.hxx>
#include <vers.hxx>
#include <acis_options.hxx>
.....
.....
    if (strstr("sat", extension)){
         unsigned int i;
         m_pHView->GetModel()->GetStreamFileTK()->Restart();
         outcome api_initialize_hoops_acis_bridge();
         ENTITY_LIST elist;
         ENTITY* entity=0;
         ENTITY_LIST m_entityList;
         HC_Parse_String(filename,".",-1,extension);
         for(i=0; i<strlen(extension);i++)
              extension[i]=(char) tolower(extension[i]);
         HC_Open_Segment_By_Key(m_pHView->GetSceneKey());
         HC_Open_Segment("");
         bool ok=true;
//
// This is a problem, for sure.
//
         ok = HA_Read_Sat_File(filename, elist);
         if (!ok)
              QMessageBox::information( this, "Error!\n","Just for sure it
returns something\n");
//
//I am no sure about the codes below, no entities to render...
//
         elist.init();
         while (entity = elist.next()){
              m_entityList.add(entity);
              HA_Render_Entity (entity);
              }
         HA_Render_Entities(elist);
         HC_Close_Segment();
         HC_Close_Segment();
    }
.....

If I did link-edit the objects from qt-hoops with the debug libraries of
acis
 -- $(ACIS14)/bin/linux_so_debug/libSpaHBridge.so, etc... -- I got the
following messages on gdb:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -150947936 (LWP 15216)]
0x003cfb4d in AcisVersion::operator= (this=0xfef0c9e0, in=@0x0)
   at /build/acisr14/NTS/SPAbase/baseutil_version.m/src/vers.cpp:114
114     /build/acisr14/NTS/SPAbase/baseutil_version.m/src/vers.cpp: file
not
found.
       in /build/acisr14/NTS/SPAbase/baseutil_version.m/src/vers.cpp

I would be very grateful for any tip.
Thanks a lot,
Edilson Borges
Mechanical Engineer Institute
State University at Campinas
S?o Paulo - Brazil