<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi all GEOS people,<div class=""><br class=""></div><div class="">The 3.8 release is coming soon, and in support of that we would like your help testing out the final project. You’ll find that there are lots of performance improvements, we hope, and improved reliability in common operations.</div><div class=""><br class=""></div><div class=""><a href="http://download.osgeo.org/geos/geos-3.8.0beta1.tar.bz2" class="">http://download.osgeo.org/geos/geos-3.8.0beta1.tar.bz2</a></div><div class=""><br class=""></div><div class="">Please report any issues you find in building or running tests on the GEOS ticket tracker <a href="https://trac.osgeo.org/geos/" class="">https://trac.osgeo.org/geos/</a> or to this list.</div><div class=""><br class=""></div><div class="">- New things:<br class=""> - CAPI: GEOSBuildArea (#952, Even Rouault)<br class=""> - CAPI: GEOSMakeValid (#952, Even Rouault)<br class=""> - CAPI: GEOSPolygonize_valid (#727, Dan Baston)<br class=""> - CAPI: GEOSCoverageUnion (Dan Baston)<br class=""> - CAPI: GEOSCoordSeq_setXY, GEOSCoordSeq_setXYZ,<br class=""> GEOSCoordSeq_getXY, GEOSCoordSeq_getXYZ (Dan Baston)<br class=""> - CAPI: GEOSMinimumBoundingCircle (#735)<br class=""> - CAPI: GEOSGeom_createPointFromXY (Dan Baston)<br class=""><br class="">- Improvements:<br class=""> - Improve overall performance by reducing of heap allocations (Dan Baston)<br class=""> - Improve performance and robustness of GEOSPointOnSurface (Martin Davis)<br class=""> - Improve performance of GEOSPolygonize for cases with many potential<br class=""> holes (#748, Dan Baston)<br class=""> - Support extended precision calculations (ttmath) and port JTS<br class=""> improvements related to extended precision (Paul Ramsey, Mateusz Loskot)<br class=""> - Improve performance of GEOSPolygonize for cases with many or complex<br class=""> shells (Dan Baston, Martin Davis)<br class=""> - Improve performance of Delaunay triangulations / Voronoi Diagrams<br class=""> (Dan Baston)<br class=""> - Improve performance of prepared geometry operations (Dan Baston)<br class=""> - Improve robustness of Delaunay triangulations (Paul Ramsey, Martin Davis)<br class=""> - Improve performance of unary union for lines (Dan Baston)<br class=""> - Improve general predicate, overlay, and buffer performance (Dan Baston, Paul Ramsey)<br class=""> - Improve cascaded union performance (Paul Ramsey, Martin Davis)<br class=""> - Allocate default GeometryFactory singleton on the stack (Sandro Mani)<br class=""> - Harmonize XML tests with JTS and harmonize cmake/autoconf<br class=""> test running (Paul Ramsey)<br class=""> - CMake modernization (Mateusz Loskot, Paul Ramsey, Dan Baston)<br class=""> - Return unique_ptr from most methods that produce a new geometry (Dan Baston)<br class=""><br class="">- Changes:<br class=""> - Constructive geometry functions in CAPI now preserve SRID<br class=""> of input arguments in output (#896)<br class=""><br class=""></div></body></html>