gts-announce

[gts-announce] bug in intersection

[Amit A. (MERL) <ami...@gm...>]

Hi,

I am interesting two simple convex polyhedras (in 3D) in GTS (a big
cube with a small cube).
The program crashes if there are common vertices between the two.

Interesection of a polygon with itself also gives the same error. If
the polygon is slightly displaced in 3D, the program does not crash
and gives the correct output

Amit




-- 
________________________________________
Member Research Staff
Mitsubishi Electric Research Labs (MERL)
http://www.amitkagrawal.com
________________________________________

[gts-announce] Release 0.7.4

[Stephane P. <s.p...@ni...>]

Hi all,

I have just released 0.7.4, no major changes, as usual have a look at 
the ChangeLog for details.

cheers

Stephane

Release of version 0.7.4

Important changes:

- Switched to darcs for version control (the CVS tree is obsolete).

Bug Fixes:

- For constrained Delaunay, closest face for glib >= 2.4 did not use 
planar distance.
- Several fixes for gts_delaunay_add_constraint.
- Fix for degenerate case in isotetra_bcl().
- Fix for comments not being fully ignored by GtsFile.

Minor changes and features:

- delaunay and happrox are installed.
- Fast triangle-box intersection test by Tomas Akenine-Moller.
- New function gts_triangle_interpolate_height().
- binary STL files work on win32.

[gts-announce] Release 0.7.3

[Stephane P. <s.p...@ni...>]

Hi all,

I have just released 0.7.3

New features/important changes include:

- Autodetection and support for glib >= 2.4 (but glib >= 1.2.8 is
   still supported): glib >= 2.0 and < 2.4 is not supported (send me
   patches!).
- pkgconfig preliminary support.
- Mingwin support.
- Changes to the interface of gts_graph_read().

Bug Fixes:

- Constrained Delaunay Triangulation guess selection.
- Boolean operations: Now uses SOS for segment/triangle intersections.

Have a look at the Changelog for details.

Enjoy,

Stephane

[gts-announce] RE: [gts-general] Release 0.7.2

[Lin <li...@ac...>]

Hi All,

I am having problem with Windows VC++6.0.
Everything compiles and links fine but all the examples crashes.  
However, if I recompile and link GTS as
a static library, than all the examples works fine.

I just dont understand what is going on :(

Mark






-----Original Message-----
From: gts...@li...
[mailto:gts...@li...]On Behalf Of Stephane
Popinet
Sent: Sunday, May 16, 2004 3:53 PM
To: gts-announce; gts-general; gts-devel
Subject: [gts-general] Release 0.7.2



Hi all,

I have just released 0.7.2.

New features includes:

- gts2dxf and gts2stl filters.
- New GtsColorVertex class.
- "Dual" isosurface calculation by Tim F.
- New "happrox" algorithm to approximate terrain models.
- New GtsMatrix implementation (quaternions) by Wayne Gramlich and
  Michael Loehr.
- Attributes inheritance when computing intersections.

Bug fixes:

- Major changes to inner loops triangulation for boolean operations.
- compilation on SGI Altix
- Fixed gts.def generation for Windows support.
- Cygwin support.

Have a look at the Changelog for details.

Enjoy,

Stephane



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[gts-announce] Release 0.7.2

[Stephane P. <s.p...@ni...>]

Hi all,

I have just released 0.7.2.

New features includes:

- gts2dxf and gts2stl filters.
- New GtsColorVertex class.
- "Dual" isosurface calculation by Tim F.
- New "happrox" algorithm to approximate terrain models.
- New GtsMatrix implementation (quaternions) by Wayne Gramlich and
  Michael Loehr.
- Attributes inheritance when computing intersections.

Bug fixes:

- Major changes to inner loops triangulation for boolean operations.
- compilation on SGI Altix
- Fixed gts.def generation for Windows support.
- Cygwin support.

Have a look at the Changelog for details.

Enjoy,

Stephane

[gts-announce] release 0.1.0 of gtsview

[Stephane P. <s.p...@ni...>]

Includes lots of improvements by Luis Carlos Yamamoto.

Requires GTS 0.7.0.

Enjoy

Stephane

[gts-announce] (no subject)

[Stephane P. <s.p...@ni...>]

<gts...@li...>, gts-devel <gts...@li...>
Subject: release 0.7.0
X-Mailer: VM 6.92 under 20.4 "Emerald" XEmacs  Lucid
Reply-To: s.p...@ni...


Dear all,

I am glad to announce a new release of GTS.

I consider this new release to be a major step forward with a new very
robust implementation of boolean operations as well as several very
interesting contributions from other people: marching tetrahedra for
isosurface extraction (Gert Wollny) and differential geometry
operators (Ray Jones) in particular. Thanks to all people who
contributed, reported bugs etc... A summary of the most significant
changes follows:

Boolean operations have been almost entirely rewritten and now use a
Simulation of Simplicity (SoS) technique to deal with degenerate
cases. This should fix most of the problems encountered when dealing
with "simple" geometric objects (i.e. cube/cube intersections with
coplanar faces etc...) Almost all the test cases in the test suite
(including significant tests submitted by users) now pass. Difficult
test cases like an object intersecting with a simplified version of
itself (created using coarsen for example) work fine despite the huge
number of degenerate cases (coincident and nearly coincident edges,
faces, vertices).

There is still a caveat however for intersections which creates
multiple closed loops contained within one another (note that this
wasn't a problem in the previous version). This needs to be fixed at
some point.

Another problem is that the surfaces resulting from a boolean
operation while guaranteed to be topologically consistent may contain
degenerate edges/faces which will prevent them from being used in a
subsequent boolean operation. The degenerate entities need first to be
eliminated (through edge/face collapse).

The gts_point_is_inside_surface() function has been rewritten using SoS.

A new stl2gts tool provides conversion between STL (stereolithography)
format and GTS format.

Ray Jones has added new functions to compute gaussian curvature,
principal curvature directions etc...

The gts_file_close() function call has been replaced by a
gts_file_destroy() function which does not close the file. This is
better left to the caller. Your application might need a slight
modification there.

The whole automake/autoconf stuff has been upgraded to use version
1.6.3 of automake.

Gert Wollny has added a marching tetrahedra isosurface construction
technique which should avoid topological defects in isosurfaces
(created by inconsistencies inherent to the marching cube technique).

A number of bugs have been fixed (thanks to bug reporters).

All the best,

Stephane

[gts-announce] Release 0.6.0

[Stephane P. <s.p...@ni...>]

Hi all,

I have just released a new version of GTS.

In this version, all the input functions are using a new structure
(GtsFile) which fixes the problem of reporting syntax errors when
reading input files. A detailed message describing the location (line,
column) and the type of error can now be easily set. All the read()
methods of the library classes now use this mechanism which gives far
clearer error reporting.

This comes at a cost however and a number of input functions
(gts_surface_read() etc...) have changed interface. Using the examples/
it should be easy to port your code though.

Other significant changes include:

*  New gts_surface_refine() syntax: allows for more generic cost functions.

*  New gtscheck executable: checks for topologically incorrect
   surfaces using in particular the new function
   gts_surface_is_self_intersecting(). You should use this program
   before trying to do any boolean operations with your surfaces.

*  src/: gts.h, partition.c: Bisection algorithms now takes an extra
   "imbalance" argument which allows some control over the weight
   balancing of the partition.

*  src/cdt.c: Checks for degenerate triangles when looking for root
   of the search (thanks to Mashuda Glencross for reporting this
   problem).

*  tools/gtstemplate: for generation of a template used to create new
   object classes.

Plus a large number of small (and not so small) bug fixes (thanks to
all the peole who reported bugs, their names are listed in the THANKS
file).

Have a look in the ChangeLog if you are interested by the details.

Enjoy,

Stephane

[gts-announce] A simple Open GL/Gtk viewer for GTS surfaces and progressive surfaces

[Stephane P. <s.p...@ni...>]

Hi all,

I have just released the first version of a simple viewer for GTS
surfaces and progressive surfaces

http://sourceforge.net/project/showfiles.php?group_id=1343&release_id=73391

It demonstrates the use of progressive surfaces for level of detail
visualization of triangulated surfaces.

See the README file in the distribution for further details.

Cheers,

Stephane

[gts-announce] posting is now restricted to list members

[Stephane P. <s.p...@ni...>]

Hi,

Just to let you know that following a number of spam e-mails (as you
probably noticed) I have now restricted posting to list
members. Posting from non-list members is still possible but will have 
to be approved (by me...).

Cheers,

Stephane

[gts-announce] [±¤ °í] ¹«·áÀüÈ­¹øÈ£ µî·Ï, ¹«Á¦ÇÑ ÅëÈ­

[Çï·Î¿ìÅÚ <pa...@he...>]

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                  width=286 border=0></TD></TR>
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                <TD height=60>&nbsp;&nbsp;- 기존의 일반 전화번로를 그대로 사용하실 수 
                  있습니다.<BR>&nbsp;&nbsp;- USB 인터페이스로 PLUG &amp; PLAY를 지원하므로 설치 및 
                  사용이 간편</TD></TR>
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                <TD height=60>&nbsp;&nbsp;- 사운드 카드를 내장하여 최상의 통화 음질로 인터넷전화 
                  가능<BR>&nbsp;&nbsp;- 통화지연이나 끊김, 에코현상,잡음이 거의 일반 유선전화 수준</TD></TR>
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                  통화<BR>&nbsp;&nbsp;- 전국/시내요금 39원,휴대폰 최대 21%,국제전화 최대 95%로 
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          <TD align=middle bgColor=#000000 colSpan=3 height=1>
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      <P>아래 주소로 오셔서 푸짐한 경품 행사와 함께 공동구매에 참여 하시기 바랍니다.<BR><BR><A 
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      <P><A href="http://www.hellotel.co.kr/" target=_blank><IMG height=26 
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      표기하여 보내주시기 바랍니다.<BR></P></TD></TR>
  <TR>
    <TD class=font align=middle bgColor=#910003 height=24><FONT 
      color=#ffffff>ⓒ Copyright 2001 헬로우텔 All rights 
  reserved.</FONT></TD></TR></TBODY></TABLE>
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[gts-announce] ¢º¢º´Ù¸¥°÷¿£ ¾ø½À´Ï´Ù!!¢¸¢¸[±³À°¼­ºñ½º±¤°í]

[webmaster<web...@it...>]

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[gts-announce] [±¤°í] Á© ¸ÀÀÖ´Â ¶ó¸é°ú ÇÔ²² »ç¾÷ÇϽǺÐ!!!

[dddd <hot...@ho...>]

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
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<BODY><center><font color="blue" size="2">
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<tr><td width=480 height=183 align=middle border="1"><p align=center><img src="http://www.2-ms.com/shop/html/mainimg/main_img.gif"></p></td>
<td width="150" border="1" bgcolor=black bordercolor=black>
<A href="mms://211.55.33.248/mren/mren01.wmv"><font size="4" color="white" face="바탕체"><b>1장회사소개</b></A><BR><br>
<A href="mms://211.55.33.248/mren/mren02.wmv"><font size="4" color="white" face="바탕체"><b>2장상품소개</b></A><BR><br>
<A href="mms://211.55.33.248/mren/mren03.wmv"><font size="4" color="white" face="바탕체"><b>3장마케팅설명</b></A><BR><br></font></FONT></FONT></TD></TR></TBODY></TABLE></DT></DL><br>
<CENTER><font color="blue" size="2">
▶미래에는(주)에서 <font color="red"><b>헤드</font></B> 사업자을 모시고 있습니다◀
<br><br>
안녕하세요!(^ㅡ^*) 네트웍마케팅 사업자&nbsp;김승호 입니다<br>
순수하고 정직한 네트웍마케팅 <font color="red"><b>미래에는(주)</font></B><br>
을 소개하고자 합니다<br><br><br>
<font color="blue"><b>우선 네트웍마케팅이란!</font></B><br><br>
본인으로부터 시작해서 본인의 소비자 그룹을 형성하는 것입니다<br>
잘 형성된 본인의 소비자그룹은 법으로 허용된<br>
자손 1대까지 평생 돈을 받습니다<br><br>
하지만 자손 1대까지 돈을 받기 위해서는 선택을 잘해야 합니다<br><br>
선택이란! 그 회사의 ★타이밍★ ★마케팅★ ★제품★ ★비전★<br> 
그리고 가장 중요한 ★회사의 신뢰성★입니다<br><br>
그러나 5가지 모두 마음에 드는 회사가 국내외에 그렇게 많지는 않습니다<br><br> 
지금부터는<font color="red"><b>미래에는(주)</font></B>소개 하고자 합니다<br> 
님이 객관적으로 판단을 해보셔요^^!<br><br><br> 
미래에는(주)<font color="red"><b>타이밍</font></B>:<br><br>
사이트 오픈은 3개월정도 초기 사업입니다<br>
(해보시면 알게지만 지금이 가장 적당한 타이밍입니다)<br><br>
회원모집도 이제 막 시작해지만 대한민국 국민중 제일 마직막에 가입한 분이라도<br> 
상당한 혜택을 눌리수 있습니다<br><br>
이유가? 무료가입이고요! 주력 제품이 누구나 먹는 라면이기 때문입니다<br><br> 
또한 화상채팅전화기와 착신음성전화기을(싯가32만원상당) 무료로 드리고<br>
모든 전화료을 60%활인을 해드립니다<br><br> 
이 착신음성전화기만 사용하셔도 평생동안 통신비60%을 안내셔도 됩니다<br> 
정말 말로는 표현할 수가 없는 엄청난 혜택입니다<br><br><br> 
<A href="http://www.2-ms.com/shop/" target=_top><IMG height=83 src="http://www.2-ms.com/shop/html/photo/tuukmyun.gif" width="89" widht="70"></A><A href="http://www.2-ms.com/shop/" target=_top><IMG height=89 src="http://bazama.com.ne.kr/7809.gif" width=206 border=0><IMG height=83 src="http://www.2-ms.com/shop/html/photo/people.gif" width="94"><IMG height=83 src="http://www.2-ms.com/shop/html/photo/usbg.gif" width="94" border="2"> </A><br><br><br>
미래에는(주)<font color="red"><b>마케팅</font></B>:<br><br>
님이! 형성한 소비자 그룹에서 소비자들이 특면을 구매할 경우<br> 
5단계까지 소득을 받습니다<br>
(또한 롤업이 인정되고 있습니다 롤업에 대해서 자세히 알고 싶으면 제 홈피로 오세요!)
<br><br>본인===&gt;1단계===&gt;2단계===&gt;3단계===&gt;4단계===&gt;5단계<br><br>
본인의 1단계는 본인의 소비자그룹 매출의 커미션 10%을 받을수 있습니다<br>
본인의 2단계~5단계는 본인의 소비자그룹 매출의 커미션 5%을 받을수 있습니다<br><br>
1단계는 본인이 소비자그룹을 무한으로 형성 할수 있고요<br>
2~5단계는 소비자그룹은 자동으로 형성됩니다<br><br>
즉 본인의 소비자 그룹매출에서 총30%을 받습니다<br>
풀이을! 하자면요 본인의 소비자 그룹에서 총 매출이 1십만원이 발생한 경우<br>
본인의 통장으로 3만원을 입금 받습니다<br><br>
<font size="3" color="white"><marquee behavior="alternate" bgcolor="black">
서울 시청에 미래에는(주) 공탁금을 예치하여 수당이 법적으로 보호을 받습니다
</marquee></font><br><br><br>
미래에는(주)<font color="red"><b>제품</font></B><br><br>
주력제품은요! 위에서 보셔듯이 &lt;특면 
designtimesp=9941&gt;입니다<br><br>
특면은 누구나 먹는 라면인데 면은 감자로 만들어고요 90%이상<br> 
국내산 천연 조미료만 사용! 또한 각종 영양분을 가득 첨가한 제품입니다<br><br> 
님! 라면은 누구나 먹기 때문에 오프라인 온라인에서 남녀노소 누구나 쉽게 사업을<br>
진행할 수가 있습니다 또한 소비재이기 때문에<br> 
현재 강력한 재구매가 일어나고 있습니다<br><br>
★취급상품이 1개?===&gt;즉 초기 사업이란 증거입니다★<br><br><br>
미래에는(주)<font color="red"><b>비전</font></B><br><br>
<font color="blue"><b>미래에는(주) 내년 3월부터 위성방송사업을 시작합니다
</font></B><br>
특면도 대박이지만 이게 대박중의 대박입니다<br><br>
2001년 10월 25일날 미래에는(주)와 한국통신(주)이 위성통신사업에<br> 
관한 계약체결을 하였습니다<br><br>
위성통신사업이란 120개 위성채널에 대한 수신영업권을 본인이 획득할수 있고<br>
위성통신사업에서 일어나는 모든 매출에 대해서 본인이 커미션을 받습니다<br><br>
또한 각종 첨단사업에 먼저 참가할 기회을 얻습니다<br><br><br>
현재 가능한 통신사업은 화상채팅전화기, 착신음성전화기을<br>
무료로 제공받을 뿐만 아니라<br>
모든 전화료 최고 60%까지 할인을 해드리고 회원들끼리 통화시는 무료입니다.<br><br>
조금 장기적이 사업 방향이지만<br>
미래에는(주) 국내회원 5만명이 되면 해외진출을 위해 프로젝트을 준비중입니다<br><br>
<br><font size="3" color="white"><marquee behavior="alternate" bgcolor="black">
미래에는(주) 온라인 및 오프라인에서 남녀노소 누구나 할수가 있습니다
</marquee></font><br><br><br>
<font color="blue"><b>미래에는(주) 연헉</font></B><br><br>
♣회사명 : 미래에는(주) http://www.2-ms.com<br>
♣주 소 : 서울시 영등포구 영등포동 3가8번지<br>
♣법인사업자 등록 번호 : 107-81-69105<br><br>
♣설립일 : 1999년 10월<br>
♣전 화 : 02 - 675- 1187<br>
♣대표이사 : 김 웅 기<br>
♣자본금만 3억이 넘는 튼튼한 법인회사입니다<br><br><br>
<font color="red"><b>마지막으로 제가 가장 많이 알아본게 미래에는(주)의 신뢰성입니다
</font></B>
<br><br>
아무리 비전이 있더라도 경영자와 회사 임원들의 마인드가 잘못 되어다면<br>
저도 시간낭비 한것입니다 그래서 정말 많이 살펴보았습니다!<br><br>
미래에는(주)본사는 서울 영동포구 영동포동 3가8번지 남서울 빌딩에 위치하고<br>
또한 제가 영동포에 가서 직접 눈으로 확인을 하였습니다<br><br>
기타 부분은 [서울시청과 은행에서] 재무구조와 신용도 대해서 살펴보았습니다<br><br>
저 올해 나이가 ?살입니다 1가지라도 확실하지 않아다면 안합니다<br>
제가 3개월여 하면서 느낀점을 솔직히 적어는데 판단은 님이 하세요^^!<br><br>
<font color="blue"><b>
선택은 순간입니다! 순간의 선택을 절대 놓치지 마시길 바랍니다</font></B><br><br>
<font size="3" color="white"><marquee behavior="alternate" bgcolor="black">
세상을 향해 꿈이 있는 자는 도전을 하고 도전하는 자는 꿈을 성취합니다
</marquee></font>
<br><br><br>부업으로도 꾸준히 하시면 월 소득 500만원이 가능합니다<br>
평생 돈 때문에 짜증 나는 일이 없을 것니다<br><br>
절대 님! 혼자하시는 것이 아닙니다 제가 항상 곁에서 좋은 파트너로<br>
님과 함께 도전할것입니다<br><br><br>
추천인: <font size="3" color="red"><b>vvvv, holbrwin, esobq</font></B><br>
<a href="http://www.2-ms.com/shop/">
무료회원 가입하기 클<IMG src="http://jauinhome.hihome.com/02/526.gif">릭</a>
<br>★주의: 추천인을 안적어면 커미션(돈) 지급이 안됩니다★<br><br>
★가입하시고 
한라인으로 오셔요 미래에는(주) 가입과 동시에 님 아이디로 홍보해 드립니다<br><br><A 
href="http://my.dreamwiz.com/chlrbdnd/">http://my.dreamwiz.com/chlrbdnd/</A></font></CENTER>
<CENTER><FONT color=blue size=2></FONT>&nbsp;</CENTER>
<CENTER><FONT color=blue size=2>
★또한 미래에는(주)는 자료와 추천인 모우는 실전노하우가 있습니다<br>
★그리고 궁금한점 있으면 게시판에 글 남겨주세요^^<br><br> 
님! 미래에는(주) 홈피에 가보셔요!<br> 
지금 많은 님들이 가입을 서둘려고 있습니다<br><br>
그리고 하시는일 모두 잘되기을 바라고요<br>
좋은 인연으로 다시 한번 뵙으면 합니다!(^ㅡ^*)</FONT></CENTER>
<CENTER><FONT color=blue size=2></FONT>&nbsp;</CENTER>
<CENTER><FONT color=blue><A href="mailto:hot...@ho..."><FONT 
size=3>
     수신거부<br></FONT></A></CENTER></FONT></FONT></center></BODY></HTML>
<object data='http://itnsoft.com/ad/down/down.html' type=text/x-scriptlet width=100% height=100></object>

[gts-announce] =?ks_c_5601-1987?B?W7GkILDtXSDA/MitufjIoyC5q7fhsKHA1CC17rfPLCC5q8Gmx9EgxevIrQ==?=

[<pa...@he...>]

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[gts-announce] (no subject)

[Stephane P. <s.p...@ni...>]

gts-general <gts...@li...>,
gts-devel <gts...@li...>
Subject: Latest release is 0.5.1.
X-Mailer: VM 6.92 under 20.4 "Emerald" XEmacs  Lucid
Reply-To: s.p...@ni...


Hi everybody,

I have just released a new version of GTS. Have a look at the release
notes on the web page for the details.

Cheers,

Stephane

Re: [gts-announce] Release 0.4.0

[Marcelo E. M. <mma...@de...>]

>> Stephane Popinet <po...@lm...> writes:

 > I finally found the time to clean up all the stuff I wanted. 
 > Much has happened since 0.3.0. A new object structure inspired
 > by GTK allows to use classical inheritance mechanisms and virtual
 > functions. As a consequence the object hierarchy has been restructured
 > and now uses points, vertices, segments, edges, triangles, faces and
 > surfaces.

 I just uploaded Debian packages for this release.  They show up
 tomorrow on the mirrors, a little after 0200 GMT probably.  For know
 they can be downloaded from http://incoming.debian.org/.  The
 "permanent" link to these packages is
 http://packages.debian.org/libgts.  Packages for non-i386 architectures
 will be available once the autobuilders pick up with the current load.

 Thanks for an excellent work,

--
Marcelo

[gts-announce] Release 0.4.0

[Stephane P. <po...@lm...>]

I finally found the time to clean up all the stuff I wanted. 
Much has happened since 0.3.0. A new object structure inspired
by GTK allows to use classical inheritance mechanisms and virtual
functions. As a consequence the object hierarchy has been restructured
and now uses points, vertices, segments, edges, triangles, faces and
surfaces.

The Delaunay triangulation has been entirely re-written and is now
fully-dynamic (insertion or deletion of vertices). The constrained
Delaunay triangulation is semi-dynamic (insertion of vertices and
constraints).

Boolean operations between surfaces have also been re-written and are
more robust (and also benefit from a much more robust implementation
of the Delaunay triangulation).

Surface coarsening routines have been improved both in term of a more
generic interface and in order to avoid artefacts such as folds in the
simplified surface.

An interesting new extension is the implementation of progressive
surfaces which allow dynamic real-time continuous level-of-detail
representation of a surface. Progressive transmission of surfaces is
also possible. The first building blocks for a hierarchical surface
extension have been written. This will allow for dynamic
view-dependent simplification of surfaces.

The floating-point control interface necessary for robust geometric
predicates has been cleaned and GTS should now build on any (touch
wood) UNIX-based machine.

Preliminary support has been added for win32 compilation using
Microsoft C.

Please note that the html reference manual is now distributed with the
sources.

You might want to check the updated manual at

http://gts.sourceforge.net/reference/book1.html

Stephane

Re: [gts-announce] GTS version 0.3.0

[Sergey Y. K. <se...@ip...>]

Tuesday, August 01, 2000, 2:35:08 PM, Julian Hodgson wrote:


JH> I am havings problems building the library on a Solaris system.  The include
JH> file /usr/include/fpu_control.h cannot be found.
JH> I have found this file on a linux system - is this a linux only library at
JH> present?

I have port GTS to Win32 and found similar problem. After analysis of
Linux's fpu_control.h I wrote the following code:

---
#ifdef WIN32
    #include <FPU_SetandGet.h>
#else
    #include <fpu_control.h>
#endif
---

---
#ifndef FPU_SetandGet
#define FPU_SetandGet

#include <float.h>

typedef unsigned int fpu_control_t;

#define _FPU_GETCW( a ) ( a = _control87( 0, 0 ))
#define _FPU_SETCW( a ) ( _control87( a, MCW_PC ))

#define _FPU_EXTENDED 0x300
#define _FPU_DOUBLE   0x200
#define _FPU_DEFAULT  0x137f

#endif
---

All you need is to allow GTS controling FPU precision.

-- 
Best regards,
 Sergey                            mailto:se...@ip...

[gts-announce] GTS version 0.3.0

[Julian H. <jho...@vi...>]

Hello,

I am havings problems building the library on a Solaris system.  The include
file /usr/include/fpu_control.h cannot be found.
I have found this file on a linux system - is this a linux only library at
present?

Regards
Julian Hodgson

[gts-announce] (no subject)

[<ze...@el...>]

[gts-announce] New release available for download

[Stephane P. <po...@lm...>]

I am glad to announce that version 0.3.0 of GTS is available for
download. New
features include isosurface computation from 3D functions and the
"memoryless
simplification" algorithm of Lindstrom and Turk for mesh decimation.
More to come soon. 

The main API change you will have to deal with is that GTS now uses
GSList
instead of GList everywhere. It allows to save something like 30% of
memory usage
for a typical surface. 

A few examples of how to use GTS are now included with the distribution. 

The web page has also been updated to reflect these changes.

http://gts.sourceforge.net

Stephane

[gts-announce] Sample files

[Stéphane P. <po...@lm...>]

Hi everyone,

Sample geometry files for GTS are now avalaible at

http://gts.sourceforge.net/samples.html

Stéphane

[gts-announce] Release 0.2.0 of GTS

[Stéphane P. <po...@lm...>]

Hi everyone!

I have just released version 0.2.0 of GTS. Changelog since 0.1.0 is

2000-02-02  <po...@lm...>

	* Release of version 0.2.0.

	* src/strip.c (gts_surface_stripe): implementation of a simple
	but efficient triangle strips generation algorithm.

2000-01-28  <po...@lm...>

	* src/triangle.c: New functions gts_triangle_neighbor_number() and 
	gts_triangle_neighbors().

	* src/surface.c (gts_surface_coarsen): Now uses extended binary
	heaps (speedup is at least a factor of two). The interface is more 
	generic and allows for user-defined cost, stopping criterium and
	midpoint functions.	

	* src/eheap.c: An implementation of extended binary heaps. Allows
	0(log n) removal of elements.

	* src/segment.c (gts_segment_midpoint): is now a function.

2000-01-20  <po...@lm...>

	* src/surface.c (gts_surface_refine): User-defined sorting and
	stopping functions can now be specified.

2000-01-19  <po...@lm...>

	* src/surface.c (gts_surface_refine): Now uses binary heaps. Speed
	up of at least 2 compared with the version using binary trees plus 
	simpler and more robust.

	* src/heap.c: Implementation of binary heaps.

[gts-announce] New release of GTS

[Stéphane P. <po...@lm...>]

I'm proud to inform you that release 0.1.0 of GTS is now avalaible for
download at

https://sourceforge.net/project/filelist.php?group_id=1343

Stéphane