{"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\/da\/blog\/news\/vyshla-novaya-versiya-open-cascade-technology-occt-7-5-0","title":{"rendered":"Den nye version af Open CASCADE Technology (OCCT) 7.5.0 er udgivet.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>OCCT \u2014 den eneste aktuelle kerne for geometrisk modellering med open source, som distribueres under en fri licens. Open CASCADE Technology er en vigtig komponent i projekter som FreeCAD, KiCAD, Netgen, gmsh, CadQuery, pyOCCT og andre. Version OCCT 7.5.0 inkluderer mere end 400 forbedringer og rettelser i forhold til den tidligere version 7.4.0.<\/p>\n<p>Versionen af Open CASCADE Technology 7.5.0 indeholder nye funktioner i de fleste moduler og komponenter. Is\u00e6r giver Draw Harness 3D Viewer mulighed for at navigere gennem store modeller i fuld st\u00f8rrelse, inklusive teleport-stil navigation i VR-visningsmode. Funktionaliteten til dataudveksling er blevet udvidet med st\u00f8tte til at gemme glTF 2.0. Ny visualiseringsfunktionalitet inkluderer ekstra teksturkort for at forbedre det visuelle kvalitet, korrekt visualisering af sRGB-output for gennemsigtige materialer og h\u00e5ndtering af gradienter, samt PBR Metallic-Roughness processen for at forbedre visualiseringen af metalobjekter. St\u00f8tten til Unicode-tegn er blevet suppleret med relevante forbedringer i STEP-overs\u00e6tteren, DRAW-konsollen, beskedressourcerne samt visualiseringen. Der er blevet pr\u00e6senteret nye eksempler, der viser brugen af OCCT 3D Viewer, bygget som WebAssembly i browseren, samt en oversigt over grundl\u00e6ggende anvendelse af C++ API til forskellige OCCT-funktioner.<\/p>\n<p>For at \u00f8ge brugervenligheden af OCCT og forbedre navigationen er dokumentationsstrukturen blevet redesignet. I s\u00e6rdeleshed er der oprettet en ny sektion \"Contribution\" for at lette adgangen til OCCTs udviklerv\u00e6rkt\u00f8jer og for at opmuntre brugere til at bidrage til udviklingen af OCCTs kildekode.<br \/>\nSnart vil en opdateret portal for OCCT-udviklere v\u00e6re tilg\u00e6ngelig, der inkluderer udvidede deltagelsesmuligheder, yderligere udviklingsressourcer og et bredere udvalg af emner p\u00e5 forumet.<\/p>\n<p><strong>Hovednyhederne i OCCT 7.5.0:<\/strong><\/p>\n<p><strong>Generelt<\/strong><\/p>\n<ul>\n<li>Omdesignet API til fremdriftsindikator for parallelle opgaver<\/li>\n<li>Support for kompilering til WebAssembly (med Emscripten SDK)<\/li>\n<li>Ny klasse Message_PrinterSystemLog til at skrive meddelelser til systemloggen.<\/li>\n<\/ul>\n<p><strong>Modellering<\/strong><\/p>\n<ul>\n<li>Support for fremdriftsindikator i BRepMesh<\/li>\n<li>Ny alternativ algoritme til triangulering af to-dimensionale polygoner<\/li>\n<li>V\u00e6rkt\u00f8j til at fjerne interne underfigurer (med INDERORIENTERING) fra en form, mens den topologiske sammenh\u00e6ng bevares<\/li>\n<li>Brug af multidimensionale sammensatte argumenter til Boolean Cut og Common operationer er tilladt.<\/li>\n<\/ul>\n<p><strong>Visualisering<\/strong><\/p>\n<ul>\n<li>Brug af sRGB teksturer og renderingsbuffer<\/li>\n<li>PBR Metallic-Roughness til visualisering af skygger p\u00e5 metal<\/li>\n<li>Underst\u00f8ttelse af normalmap teksturer<\/li>\n<li>Mulighed for beregning af BVH-tr\u00e6er, der bruges til interaktiv valg i baggrundsstr\u00f8mmen<\/li>\n<li>Underst\u00f8ttelse af skriftfamilier med specielle stilarter og .ttc filer med flere skrifter i skrifth\u00e5ndteringen.<\/li>\n<\/ul>\n<p><strong>Dataudveksling<\/strong><\/p>\n<ul>\n<li>Underst\u00f8ttelse af l\u00e6sning af STEP-filer, der indeholder ikke-Ascii (Unicode eller lokale kodningssider) tegn i tekststrenge<\/li>\n<li>Underst\u00f8ttelse af skrivning af Unicode tekststrenge til STEP (som UTF-8)<\/li>\n<li>Nyt API til l\u00e6sning af STEP, der accepterer en C++ stream som input<\/li>\n<li>Eksport af glTF 2.0<\/li>\n<li>Forbedret ydeevne ved l\u00e6sning af (ASCII) STL og OBJ filer.<\/li>\n<\/ul>\n<p><strong>Anvendelsesramme<\/strong><\/p>\n<ul>\n<li>H\u00e5ndtering af flere dokumenter (\u00e5bning, gemme, lukke osv.) i parallelle str\u00f8mme (\u00e9t program pr. str\u00f8m)<\/li>\n<li>Arv af attributter til genbrug af deres gemmemekanismer<\/li>\n<li>Progresindikator i TDocStd_Application<\/li>\n<li>Optimering af Commit-operationen for store modifikationer.<\/li>\n<\/ul>\n<p><strong>Draw Test Harness<\/strong><\/p>\n<ul>\n<li>Multicolor output-meddelelse<\/li>\n<li>Underst\u00f8ttelse af Unicode-tegn i DRAW-konsollen i Windows<\/li>\n<li>Navigation i flugtilstand i 3D viewer med WASD-tasterne og 3D mus i Windows<\/li>\n<li>Eksperimentel navigation i teleport-tilstand i 3D viewer med OpenVR.<\/li>\n<\/ul>\n<p><strong>Samples<\/strong><\/p>\n<ul>\n<li>Standardisering af mus gestus til manipulationer i 3D viewer i pr\u00f8verne<\/li>\n<li>Eksempel p\u00e5 et nyt WebGL-viewerprogram<\/li>\n<li>Opdatering af JNI eksemplet til Android Studio (fra Eclipse-projektet)<\/li>\n<li>Nyt eksempel Qt OCCT Oversigt<\/li>\n<\/ul>\n<p><strong>Dokumentation<\/strong><\/p>\n<ul>\n<li>Omstrukturering af OCCT-dokumentationen for at lette navigation og brugervenlighed<\/li>\n<\/ul>\n<p><noindex><noindex><\/p>\n<p>Detaljer om denne frigivelse er tilg\u00e6ngelige i <a rel=\"nofollow\" href=\"https:\/\/old.opencascade.com\/sites\/default\/files\/documents\/release_notes_7.5.0.pdf\">Udgivelsesnoter<\/a>. Download Open CASCADE Technology 7.5.0 kan <a rel=\"nofollow\" href=\"https:\/\/old.opencascade.com\/content\/latest-release\">via linket<\/a>.<\/p>\n<p><\/noindex><\/noindex><\/p>\n<p>Kilde: <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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