{"id":98402,"date":"2020-11-12T14:42:25","date_gmt":"2020-11-12T12:42:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vyshla-novaya-versiya-open-cascade-technology-occt-7-5-0"},"modified":"2020-11-18T00:58:33","modified_gmt":"2020-11-17T22:58:33","slug":"vyshla-novaya-versiya-open-cascade-technology-occt-7-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/vyshla-novaya-versiya-open-cascade-technology-occt-7-5-0","title":{"rendered":"Den nya versionen av Open CASCADE Technology (OCCT) 7.5.0 har sl\u00e4ppts.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>OCCT \u2014 den enda aktuella k\u00e4rnan f\u00f6r geometrisk modellering med \u00f6ppen k\u00e4llkod som idag finns tillg\u00e4nglig och distribueras under en fri licens. Open CASCADE Technology \u00e4r en viktig del av projekt som FreeCAD, KiCAD, Netgen, gmsh, CadQuery, pyOCCT och andra. Version OCCT 7.5.0 inneh\u00e5ller \u00f6ver 400 f\u00f6rb\u00e4ttringar och r\u00e4ttelser j\u00e4mf\u00f6rt med f\u00f6reg\u00e5ende version 7.4.0.<\/p>\n<p>Versionen av Open CASCADE Technology 7.5.0 inneh\u00e5ller nya funktioner f\u00f6r de flesta moduler och komponenter. S\u00e4rskilt Draw Harness 3D Viewer m\u00f6jligg\u00f6r navigering inom stora modeller i verklig storlek, inklusive teleportationsliknande navigation i VR-l\u00e4get. Datautbytet har utvidgats tack vare st\u00f6d f\u00f6r att spara glTF 2.0. De nya visualiseringsfunktionerna inkluderar ytterligare texturkartor f\u00f6r att f\u00f6rb\u00e4ttra den visuella kvaliteten, korrekt visualisering av sRGB-utdata f\u00f6r genomskinliga material och gradienteffekter, samt PBR Metallic-Roughness-processen f\u00f6r att f\u00f6rb\u00e4ttra visualiseringen av metalliska objekt. St\u00f6det f\u00f6r Unicode-tecken har f\u00f6rb\u00e4ttrats med motsvarande f\u00f6rb\u00e4ttringar i STEP-\u00f6vers\u00e4ttaren, DRAW-konsolen, meddelanderesurser och visualisering. Nya exempel har introducerats som demonstrerar anv\u00e4ndning av OCCT 3D Viewer, sammanst\u00e4lld som WebAssembly i webbl\u00e4saren, samt en \u00f6versikt av grundl\u00e4ggande anv\u00e4ndning av C++ API f\u00f6r olika OCCT-funktioner.<\/p>\n<p>F\u00f6r att underl\u00e4tta f\u00f6r OCCT-anv\u00e4ndare och f\u00f6rb\u00e4ttra navigeringen har dokumentationsstrukturen omarbetats. S\u00e4rskilt har en ny sektion 'Contribution' skapats f\u00f6r att g\u00f6ra det enklare att f\u00e5 tillg\u00e5ng till OCCT-utvecklarverktyg och uppmuntra anv\u00e4ndare att bidra till utvecklingen av OCCT:s k\u00e4llkod.<br \/>\nEn uppdaterad portal f\u00f6r OCCT-utvecklare med ut\u00f6kade deltagandem\u00f6jligheter, ytterligare utvecklingsresurser och ett bredare \u00e4mnesomr\u00e5de f\u00f6r forumet kommer snart att bli tillg\u00e4nglig.<\/p>\n<p><strong>Huvudnyheterna i OCCT 7.5.0:<\/strong><\/p>\n<p><strong>Generellt<\/strong><\/p>\n<ul>\n<li>API f\u00f6r progressindikatorer f\u00f6r parallella uppgifter har omarbetats.<\/li>\n<li>St\u00f6d f\u00f6r kompilering till WebAssembly (med Emscripten SDK).<\/li>\n<li>Ny klass Message_PrinterSystemLog f\u00f6r att skriva meddelanden till systemloggen.<\/li>\n<\/ul>\n<p><strong>Modellering<\/strong><\/p>\n<ul>\n<li>St\u00f6d f\u00f6r progressindikator i BRepMesh.<\/li>\n<li>Ny alternativ algoritm f\u00f6r triangulering av tv\u00e5dimensionella polygoner.<\/li>\n<li>Verktyg f\u00f6r att ta bort interna underfigurer (med INRE orientering) fr\u00e5n en form med bibeh\u00e5llen topologisk sammanl\u00e4nkning.<\/li>\n<li>Anv\u00e4ndning av flerdimensionella sammansatta argument f\u00f6r Boolean Cut och Common-operationer \u00e4r till\u00e5ten.<\/li>\n<\/ul>\n<p><strong>Visualisering<\/strong><\/p>\n<ul>\n<li>Anv\u00e4ndning av sRGB-texturer och renderingsbuffert.<\/li>\n<li>PBR Metallic-Roughness f\u00f6r att visualisera skuggor p\u00e5 metall.<\/li>\n<li>St\u00f6d f\u00f6r normalmap-textur.<\/li>\n<li>M\u00f6jlighet att ber\u00e4kna BVH-tr\u00e4d, som anv\u00e4nds f\u00f6r interaktivt val i bakgrundstr\u00e5dar.<\/li>\n<li>St\u00f6d f\u00f6r typsnittsfamiljer med specialstilar och .ttc-filer med flera typsnitt i typsnittsadministrat\u00f6ren.<\/li>\n<\/ul>\n<p><strong>Databyte<\/strong><\/p>\n<ul>\n<li>St\u00f6d f\u00f6r att l\u00e4sa STEP-filer som inneh\u00e5ller icke-ASCII-tecken (Unicode eller lokala teckenkodningar) i textstr\u00e4ngar.<\/li>\n<li>St\u00f6d f\u00f6r att skriva Unicode-textstr\u00e4ngar i STEP (som UTF-8).<\/li>\n<li>Ny API f\u00f6r att l\u00e4sa STEP, som tar en C++-str\u00f6m som indata.<\/li>\n<li>Export av glTF 2.0.<\/li>\n<li>Prestandaf\u00f6rb\u00e4ttringar f\u00f6r l\u00e4sning av STL- och OBJ-filer (ASCII).<\/li>\n<\/ul>\n<p><strong>Applikationsramverk.<\/strong><\/p>\n<ul>\n<li>Hantering av flera dokument (\u00f6ppning, sparande, st\u00e4ngning etc.) i parallella str\u00f6mmar (ett program per str\u00f6m).<\/li>\n<li>\u00c4rva attribut f\u00f6r att \u00e5teranv\u00e4nda deras spara-mekanismer.<\/li>\n<li>Progressindikator i TDocStd_Application.<\/li>\n<li>Optimering av Commit-operationen f\u00f6r stora modifieringar.<\/li>\n<\/ul>\n<p><strong>Draw Test Harness.<\/strong><\/p>\n<ul>\n<li>Flerf\u00e4rgad utdata av meddelanden.<\/li>\n<li>St\u00f6d f\u00f6r Unicode-tecken i DRW-konsolen i Windows.<\/li>\n<li>Navigation i flygl\u00e4ge i 3D-vyn med WASD-tangenterna och en 3D-mus i Windows.<\/li>\n<li>Experimentell teleportationsnavigation i 3D-vyn med OpenVR.<\/li>\n<\/ul>\n<p><strong>Prover.<\/strong><\/p>\n<ul>\n<li>Enhetlighet av musgester f\u00f6r manipulationer i 3D-vyn i prover.<\/li>\n<li>Exempel p\u00e5 ny WebGL-visare.<\/li>\n<li>Uppdatering av JNI-exemplet f\u00f6r Android Studio (fr\u00e5n Eclipse-projektet).<\/li>\n<li>Ny Qt OCCT Overview-provsamling.<\/li>\n<\/ul>\n<p><strong>Dokumentation<\/strong><\/p>\n<ul>\n<li>Omstrukturering av OCCT-dokumentationen f\u00f6r att underl\u00e4tta navigering och anv\u00e4ndning.<\/li>\n<\/ul>\n<p><noindex><noindex><\/p>\n<p>Mer information om denna release finns i. <a rel=\"nofollow\" href=\"https:\/\/old.opencascade.com\/sites\/default\/files\/documents\/release_notes_7.5.0.pdf\">Release Notes<\/a>. Open CASCADE Technology 7.5.0 kan laddas ner. <a rel=\"nofollow\" href=\"https:\/\/old.opencascade.com\/content\/latest-release\">via l\u00e4nken<\/a>.<\/p>\n<p><\/noindex><\/noindex><\/p>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/opensource\/15997422\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>OCCT &#8212; \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0435 \u043d\u0430 \u0441\u0435\u0433\u043e\u0434\u043d\u044f\u0448\u043d\u0438\u0439 \u0434\u0435\u043d\u044c \u044f\u0434\u0440\u043e \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043c\u043e\u0434\u0435\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u043c \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c \u043a\u043e\u0434\u043e\u043c, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u043e\u0435 \u043f\u043e\u0434 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439. 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