<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On May 3, 2012, at 5:31 PM, Sam Hariton wrote:</div><div><br></div><div>Hi Sam,</div><br><blockquote type="cite"><div><font color="#222222" face="arial, sans-serif">Is the Paris Sprint likely to result in a decision about GEOS/Boost/CGAL/PostGIS core/etc.? </font></div></blockquote><blockquote type="cite"><div><font color="#222222" face="arial, sans-serif">Or is it a longer term discussion than that?</font></div></blockquote><div><br></div><div>Well PostGIS (quite) always worked with GEOS, and we have good </div><div>reasons to believe that it will continue for a while.</div><div><br></div><div>But maybe some new features (or better performances ?) could be </div><div>also provide by others additional libs.</div><div>At this stage there's no strong opinion on what we have/want to do.</div><div><br></div><div>Paris place could be a way to exchange point of views and/or </div><div>to process experimentations, and maybe prepare later PSC decisions.</div><div>(and as Regina said nothing will be set in stone in Paris)</div><br><blockquote type="cite">
<div><font color="#222222" face="arial, sans-serif">In the meantime, looking through the ticket list, there's a couple </font></div></blockquote><blockquote type="cite"><div><font color="#222222" face="arial, sans-serif">tickets (#430 and #428) that look interesting and I'd like to make </font></div></blockquote><blockquote type="cite"><div><font color="#222222" face="arial, sans-serif">a stab at. What's the proper etiquette for doing so?</font></div></blockquote><br></div><div><br></div><div>For 430</div><div> - For these one there's mainly ST_AsCollada missing, as</div><div> GeomFromGML, ST_AGML, and ST_AsX3D are already </div><div> implemented.</div><div> </div><div> An example could be used as a template is lwout_wkt.c</div><div> </div><div> But if we want to implement it for the whole use cases, theres several</div><div> others issues:</div><div><br></div><div> Texture handling will be an issue to think about.</div><div> </div><div> Max number of triangles handled by Collada, too (~21845) </div><div> so surely a simplification algorithm could be a day a need too ?</div><div> (a bit as ST_Simplify but for 3D)</div><div><br></div><div> Ability to triangulate to switch from PolyhedralSurface to Tin also.</div><div> </div><div> And last be not least Z altitude could be relative to ground or </div><div> geocentric.</div><div><br></div><div><br></div><div>For 428</div><div> - These one is also a bit more tricky. It could be a good idea to </div><div> explore, if CGAL provide some primitive to handle it rightly.</div><div> (dunno right now)</div><div><br></div><div><br></div><div><br></div><div>On theses topic any help is very welcome ! </div><div>:)</div><div><br></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>--</div><div>Olivier Courtin</div><div>Oslandia</div><div>+33 977 217 501</div><div><br></div><div><br></div></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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