{"id":9802,"date":"2026-08-21T15:47:37","date_gmt":"2026-08-21T07:47:37","guid":{"rendered":"http:\/\/pipingpig.com\/index.php\/2026\/08\/21\/s3d%ef%bc%8c%e6%89%8b%e8%bd%ae%e6%9c%9d%e5%90%91label\/"},"modified":"2026-08-21T15:47:37","modified_gmt":"2026-08-21T07:47:37","slug":"s3d%ef%bc%8c%e6%89%8b%e8%bd%ae%e6%9c%9d%e5%90%91label","status":"publish","type":"post","link":"https:\/\/www.pipingpig.com\/index.php\/2026\/08\/21\/s3d%ef%bc%8c%e6%89%8b%e8%bd%ae%e6%9c%9d%e5%90%91label\/","title":{"rendered":"S3D\uff0c\u624b\u8f6e\u671d\u5411Label"},"content":{"rendered":"

\u5173\u952e\u8bcd \uff1a SQL\uff0cLabel\uff0c\u9600\u95e8\uff0c\u624b\u8f6e\uff0cOperator\uff0c\u65b9\u5411\uff0c\u671d\u5411\uff0cD irection \uff0cO rientation\uff0cValve \u95ee\u9898\u63cf\u8ff0 \uff1a\u5982\u4f55 \u7528Label\u83b7\u53d6\u9600\u95e8\u624b\u67c4\u65b9\u5411\u3002 \u95ee\u9898\u5904\u7406 \uff1a \u5206\u6790ISOGEN\u539f\u751f\u9600\u95e8\u624b\u8f6e\u903b\u8f91\uff0c\u5b9a\u5236\u903b\u8f91\u76f8\u540c\u7684Label\u5373\u53ef\u3002 SELECT j.Oid, CASE — \u7eaf\u6b63\u4ea4\u65b9\u5411 WHEN ABS (j.ServerToClient4) < 1e-6 AND ABS (j.ServerToClient5) < 1e-6 THEN CASE WHEN j.ServerToClient6 > 0 THEN 'U' ELSE 'D' END WHEN ABS (j.ServerToClient4) < 1e-6 AND ABS (j.ServerToClient6) < 1e-6 THEN CASE WHEN j.ServerToClient5 > 0 THEN 'N' ELSE 'S' END WHEN ABS (j.ServerToClient5) < 1e-6 AND ABS (j.ServerToClient6) < 1e-6 THEN CASE WHEN j.ServerToClient4 > 0 THEN 'E' ELSE 'W' END — XY\u5e73\u9762\u89d2\u5ea6\u516c\u5f0f WHEN ABS (j.ServerToClient6) < 1e-6 THEN CONCAT( CASE WHEN j.ServerToClient5 > 0 THEN 'N' ELSE 'S' END , ' ' , ROUND(DEGREES( ATAN ( ABS (j.ServerToClient4) \/ ABS (j.ServerToClient5))), 0 ), ' ' , CASE WHEN j.ServerToClient4 > 0 THEN 'E' ELSE 'W' END ) — XZ\u5e73\u9762 WHEN ABS (j.ServerToClient5) < 1e-6 THEN CONCAT( CASE WHEN j.ServerToClient6 > 0 THEN 'U' ELSE 'D' END , ' ' , ROUND(DEGREES( ATAN ( ABS (j.ServerToClient4) \/ ABS (j.ServerToClient6))), 0 ), ' ' , CASE WHEN j.ServerToClient4 > 0 THEN 'E' ELSE 'W' END ) — YZ\u5e73\u9762 WHEN ABS (j.ServerToClient4) < 1e-6 THEN CONCAT( CASE WHEN j.ServerToClient5 > 0 THEN 'N' ELSE 'S' END , ' ' , ROUND(DEGREES( ATAN ( ABS (j.ServerToClient6) \/ ABS (j.ServerToClient5))), 0 ), ' ' , CASE WHEN j.ServerToClient6 > 0 THEN 'U' ELSE 'D' END ) — \u4e09\u7ef4\u53cc\u5e73\u9762 ELSE CONCAT( 'HOR ' , ROUND(DEGREES(ATN2(j.ServerToClient4, j.ServerToClient5)), 1 ), ' DEG ' , 'VOR ' , ROUND(DEGREES(ATN2( SQRT (j.ServerToClient4 * j.ServerToClient4 + j.ServerToClient5 * j.ServerToClient5), j.ServerToClient6)), 1 ), ' DEG' ) END AS SpindleDirectionLabel FROM JOccurrence j WHERE j.Oid = ?;<\/p>\n

\u5173\u952e\u8bcd \uff1a SQL\uff0cLabel\uff0c\u9600\u95e8\uff0c\u624b\u8f6e\uff0cOperator\uff0c\u65b9\u5411\uff0c\u671d\u5411\uff0cD irection \uff0cO rien […]<\/p>\n","protected":false},"author":1,"featured_media":9801,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[28],"tags":[],"class_list":["post-9802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/posts\/9802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/comments?post=9802"}],"version-history":[{"count":0,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/posts\/9802\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/media\/9801"}],"wp:attachment":[{"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/media?parent=9802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/categories?post=9802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pipingpig.com\/index.php\/wp-json\/wp\/v2\/tags?post=9802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}