[{"data":1,"prerenderedAt":273},["ShallowReactive",2],{"article:bagua-map-placement:zh":3,"article-topic:eight-mansions-feng-shui:zh":152,"related-articles:zh:eight-mansions-feng-shui:bagua-map-placement:feng-shui-luo-pan":237},{"slug":4,"title":5,"description":6,"category":7,"topicSlug":8,"legacyPath":9,"authorId":10,"publishedAt":11,"updatedAt":11,"noindex":12,"summary":13,"sections":14,"references":117,"relatedTools":133,"seo":135,"contentImage":138},"bagua-map-placement","八卦图怎么铺：哪面墙，哪一种北","八卦图有一版钉在大门上，有一版钉在罗盘上。一个卦位里是哪三山、中宫到底占多少地面、两版错开到几度就完全不重叠，都能算出来。","风水","eight-mansions-feng-shui","","zhang-hao","2026-10-31",false,"两张图共用同一组九个卦名，分歧在基准：一版把最下一排钉在大门那面墙上，一版把八个扇区钉在圆周上。罗盘那一版每卦四十五度，正好是二十四山里的三山，中宫在角度上没有宽度；九宫那一版把平面切成九等分，中宫占 11.1%。两版错开三十度时，东南角只共享三分之一块地板；错开四十五度，一块也不共享。户型缺一角，九格就不再是九等分；磁力计五度的误差，会让两成二的朝向读不出落在哪一卦。",[15,20,64,69,75,101,106,111],{"heading":16,"body":17},"两套图，同一组名字，两种基准",[18,19],"英文世界里的八卦图是一张九宫叠加：八个卦围着一个中宫。名字和顺序在任何一版里都一样——坎在最下，往上依次是艮、震、巽、离、坤、兑、乾。分歧从来不在名字上。","分歧在基准。一版把最下一排钉在大门所在的那面墙上，把门口叫作坎位；另一版把八个扇区钉在地球上，用罗盘去读。同样是那九个字，落在不同的地板上。门墙朝北的房子，两张图贴得很近；门墙朝南的房子，两张图正好转了半圈，一块地板都不重叠。",{"heading":21,"body":22,"bullets":23,"table":26},"一个扇区正好是三山","罗盘那一版不是随意切的。圆周分给八卦，每卦四十五度；罗盘上更细的一环把同一个圆周分成二十四山，每山十五度。四十五除以十五等于三，所以每个卦位都是三座山的合称。",[24,25],"每一组中间那一山就是卦本身，两侧是同方向的细分。所以罗盘读出来的从来不是笼统的「东南」，而是东南里具体哪一山。","这也是整张图里唯一能拿仪器核对的部分。在争财位落在哪个角之前，先把它弄准。",{"headers":27,"rows":31},[28,29,30],"卦位","角度范围","三山",[32,36,40,44,48,52,56,60],[33,34,35],"坎 · 北","337.5°–22.5°","壬 子 癸",[37,38,39],"艮 · 东北","22.5°–67.5°","丑 艮 寅",[41,42,43],"震 · 东","67.5°–112.5°","甲 卯 乙",[45,46,47],"巽 · 东南","112.5°–157.5°","辰 巽 巳",[49,50,51],"离 · 南","157.5°–202.5°","丙 午 丁",[53,54,55],"坤 · 西南","202.5°–247.5°","未 坤 申",[57,58,59],"兑 · 西","247.5°–292.5°","庚 酉 辛",[61,62,63],"乾 · 西北","292.5°–337.5°","戌 乾 亥",{"heading":65,"body":66},"第九格没有宽度",[67,68],"八个四十五度正好是三百六十度。罗盘那一版里，八卦已经把圆周占满，中宫在角度上没有宽度：它只能被画成一个半径由你定的圆，否则它根本不算一个扇区。九宫那一版里，中宫是九个等分矩形之一，占地面 11.1%。","所以还没摆任何东西，两版对「中宫占多少地面」就已经不一致。扇区也比格子大：八分之一是 12.5%，九分之一是 11.1%，每个扇区比对应的格子大 12.5%。哪份材料说中宫是家里的九分之一，它用的是九宫，不是罗盘。",{"heading":70,"body":71},"贴门那一版出现得很晚",[72,73,74],"把门口放在最下一排的九宫叠加，在清代的宅书里找不到。《宅经》——后来那些宅书都建立在它上面——把一所住宅看成一圈围绕中心的方位，并没有把平面切成九个等格。清代八宅一系的宅书把住宅归到三件事上：门、主房、厨房，方向仍旧靠罗盘定。","这不是说哪一版错。这是说两版回答的不是同一个问题；而一份只说「把八卦图铺在户型图上」却不交代是哪一版的材料，其实没有给出做法。","贴门那一版必须先回答「哪面墙算」。答案只能是主入口所在的那面墙，不是最常走的那扇门；户型不规整时还需要一条写明的前提：取包含这个入口的最大矩形，矩形之外的部分不标。",{"heading":76,"body":77,"bullets":78,"table":81},"两图一错开，重叠就是算术","两个四十五度的扇区错开一个角度，重叠部分占宽度的（45 减去错开角）除以 45。这里没有任何传统成分，就是两条带子叠在一起。",[79,80],"门墙偏离真北三十度的房子，两张图的东南角只共享三分之一块地板。错开超过四十五度，一块也不共享。","所以「两套其实差不多」这句话只在一种情况下成立：门墙的朝向恰好和你正在读的那个卦位同向。那是户型的巧合，不是方法的性质。",{"headers":82,"rows":85},[83,84],"两种基准错开的角度","重叠的地面",[86,89,92,95,98],[87,88],"0°","全部",[90,91],"15°","66.7%",[93,94],"22.5°","一半",[96,97],"30°","33.3%",[99,100],"45°","没有",{"heading":102,"body":103},"到了真实户型，九宫就不再是九等分",[104,105],"一套 12 × 9 米的房子，角上缺掉 3 × 2.5 米：净面积 100.5 平方米。按外接矩形切九格，每格 4 × 3 米，即 12 平方米。缺角那一格只剩 4.5 平方米。","于是「家里的九分之一」在同一张图上从 4.5 平方米到 12 平方米不等，相差 2.67 倍，而名义上的九分之一是 11.17 平方米。标签还在原位，面积已经对不上。拿卷尺在地上直接分格可以避开这个问题；把印好的格子拉伸去套户型图则避不开。",{"heading":107,"body":108},"读数里有多少是仪器",[109,110],"把五度当作工作误差。手机磁力计在室内连这个都做不好，楼板里的钢筋、配电箱还会更糟。每条分界都没有宽度，是一道刀口。八个扇区就是八条分界，每条两侧各五度，合起来占圆周八十度——也就是说，所有可能的朝向里约有 22% 落在读不准的地带。换成二十四山，同样的误差占掉二百四十度，即三分之二个圆周。","朝向还是相对磁北量的，而表是按真北排的。两者之差是一个按地点和日期查得到的数，再小心也去不掉。记下方位角、用的是哪一种北、以及测量日期；只写一个卦名的说法，下一个人拿同一套房子重做不出来。",{"heading":112,"body":113},"该怎么做，以及两张图都答不了什么",[114,115,116],"挑和其余判断一致的那一版。八宅和飞星都跑在方位角上，罗盘那一版的扇区可以直接喂给它们；一本书如果从「门口在最下」讲起，它用的是九宫。两者混用，你家的财位会随你最后读到的那一页移动。","有人报出一个卦位时，记三样：哪一版、基准边是哪条、测量日期。这三样让这个说法能被别人重做一遍，而能被重做，是这件事里唯一核得动的部分。","两张图都不测采光、潮气、噪音、收纳，也不测一扇打不开的门。这些才决定一个房间怎么被使用，一个下午就能看完；它们和卦位标签冲突时，以房间为准。",[118,126],{"id":119,"kind":120,"title":121,"detail":122,"publisher":123,"url":124,"accessedAt":125},"huangdiZhaijing","traditional","《黄帝宅经》","用于说明传统住宅方位与空间术语的历史背景；现代建议按现实条件另行判断。","维基文库数字文本","https:\u002F\u002Fzh.wikisource.org\u002Fwiki\u002F%E9%BB%83%E5%B8%9D%E5%AE%85%E7%B6%93","2026-07-14",{"id":127,"kind":128,"title":129,"detail":130,"publisher":131,"url":132,"accessedAt":125},"apaBarnumEffect","practical","美国心理学会心理学词典：巴纳姆效应","用于说明为什么宽泛、正面的性格描述容易让人感觉非常贴合本人；该资料并不评价八字排盘方法本身。","美国心理学会","https:\u002F\u002Fdictionary.apa.org\u002Fbarnum-effect",[134],"feng-shui-luo-pan",{"title":5,"description":6,"path":136,"type":137},"\u002Farticles\u002Fbagua-map-placement","article",{"src":139,"srcByLocale":140,"alt":142,"width":143,"height":144,"altByLocale":145,"captionByLocale":148},"\u002Fimg\u002Farticles\u002Fbagua-map-placement.svg",{"tw":141},"\u002Fimg\u002Farticles\u002Fbagua-map-placement-tw.svg","Two bagua maps compared by what each anchors to: the wall with the main door, or 45 degrees of the compass, which is exactly three of the 24 mountains.",1280,960,{"zh":146,"tw":147},"两版八卦图各自以什么为基准的对照：大门所在的那面墙，还是罗盘上的四十五度——而那正好是二十四山里的三山。","兩版八卦圖各自以什麼為基準的對照：大門所在的那面牆，還是羅盤上的四十五度——而那正好是二十四山裡的三山。",{"en":149,"zh":150,"tw":151},"The names are identical in both versions. What moves is the anchor, and with it the patch of floor each name refers to.","两版的卦名完全一样。移动的是基准，以及每个名字所指的那块地板。","兩版的卦名完全一樣。移動的是基準，以及每個名字所指的那塊地板。",{"topic":153,"articles":182,"tools":236},{"slug":8,"title":154,"eyebrow":155,"description":156,"relatedTools":157,"articleIdeas":158,"seo":163,"sections":166},"八宅风水","理气风水","八宅风水的实用读法：命卦怎么来、宅卦怎么量、两卦相对查出的八星表怎么用，以及传统真正会看的那三处地方。",[],[159,160,161,162],"命卦计算方法","四吉方与四凶方","八宅风水床位","命卦与房间选择",{"title":164,"description":156,"path":165},"八宅风水指南","\u002Ftopics\u002Feight-mansions-feng-shui",[167,170,173,176,179],{"heading":168,"body":169},"它是什么：两个数，一张表","八宅是风水里最小的一套完整系统。它只需要两个卦。人的卦叫命卦，由出生年份和性别推出来；如果生日在该年春节之前，年份要往前退一年。宅的卦由坐向定，靠罗盘实测，不能靠猜。两个卦并排一放，传统就交回一张固定的表：八个方位，每个方位已经配好一颗星。所谓八宅，说的就是宅卦只有八种，一栋房子必落在其中一种里。不用画盘，不用查元运，不用飞星，也没有第二层要叠上去。小，是它的特点，也是它被说得远超过自身能力的原因。",{"heading":171,"body":172},"八个方位，各自管什么","这张表永远只产出同样的八个名字。四颗读作吉：生气、天医、延年、伏位。四颗读作凶：绝命、五鬼、六煞、祸害。哪个方位配哪个名字，完全取决于你起手的那个卦，配法由大游年歌固定，一句口诀就能把整张表推出来。同一张表也可以拿宅卦起手，推出这栋房子八个方位的吉凶；命卦与宅卦的差别，只在于起手用哪个卦。这个过程里没有任何一步在看你家的房子、你的身体或你今年遇到了什么，它只是拿出生年份和罗盘方位做算术。把八个名字当成给方位排序的一套说法，这套系统就不会假装知道自己本来不知道的事。",{"heading":174,"body":175},"你是东四命还是西四命","八个卦分成两组。坎一、离九、震三、巽四属东四；坤二、兑七、乾六、艮八属西四。东四命人的四个吉方就是东四方的方位，西四同理。由此引出一条常听到的说法：东四命的人应该住东四宅。底层规则是真的，但那个否决权不是。城市住宅里你很少能选坐向，四口之家往往两组都有人。真要按这条规则去挑房子，代价通常是放弃采光、通勤距离和面积，而这些代价往往比一个方位更实在。这条规则真正能做的，是在你已有的房子里给房间排序，而不是替你判定一栋房子能不能住。",{"heading":177,"body":178},"真正要看的三处：门、卧室、灶","古法八宅不是逐间审计。它只看三个点，门、主卧、灶，然后问：这三处对使用它们的人来说，落在吉方还是凶方。原因很历史：在这套系统成型的那些房子里，这三个点就是一家日常生活真正发生的地方，把每一平方米都测一遍是浪费力气。现代住宅房间更多、作息也不同。把三点法作为排优先级的习惯，再加上你确实每天待上几个小时的那两三间房，其余的当作可选。还有一个现代问题：开放式厨房让灶和客厅连成一片，灶不再是一个点，这时按炉具的实际位置算，比按户型图上印的厨房标签算更接近原意。",{"heading":180,"body":181},"它帮不上忙的时候","三个界限值得直说。第一，它不看形：门前的路、地块的形状、一间没有窗的卧室。吉方落在一间坏房子里，那还是坏房子。第二，它没有时间维度。和飞星系统不同，八宅不随元运和流年改变，所以它说不出「什么时候」。第三，罗盘读数是最弱的一环：手机罗盘、钢质门框，或者五度的误差，就能把方位推进下一个宫，让整张表里的名字全部换掉。把八宅用在几个都可行的方案之间做权衡，而不是用它来说服自己接受一个本来就不合适的方案。如果同时在用飞星，注意两套系统吃的是不同输入：八宅只看卦，飞星要看坐向、元运和三颗星。两边结论不一致时不要硬凑，先回到房间本身的条件。",[183,194,205,215,225,233],{"slug":184,"title":185,"description":186,"category":7,"topicSlug":8,"legacyPath":187,"authorId":10,"publishedAt":188,"updatedAt":189,"summary":190,"relatedTools":191,"seo":192},"ming-gua-calculation","命卦计算：一条取模，三处会改答案的约定","命卦是一条可以核对的算式：男命用 2 减年份，女命用年份加 4，对 9 取余。两位数字简写在 2000 年后全错，得五的折法和立春边界各改掉一部分人的答案。","\u002Fpages\u002Farticles\u002Fminggua-jisuan-fangfa.html","2026-01-29","2026-11-01","命卦只有八种输出，规则完全确定，所以两张公开表对不上时，原因一定是约定不同：简写有没有过期、五折到哪一卦、年份从立春还是从正月初一起算。三处都能单独算清代价。",[],{"title":185,"description":186,"path":193},"\u002Farticles\u002Fming-gua-calculation",{"slug":195,"title":196,"description":197,"category":7,"topicSlug":8,"legacyPath":198,"authorId":10,"publishedAt":199,"updatedAt":200,"summary":201,"relatedTools":202,"seo":203},"four-auspicious-directions","四吉方：一句歌诀读成八个方位","四吉方由《大游年歌》生成：从本卦起按后天八卦次序读七个字，即得生气、天医、延年、伏位。本文给出八句歌诀、八个卦的结果行、四吉的排名，以及命卦与宅卦冲突时的处理。","\u002Fpages\u002Farticles\u002Fsiji-xiangfang-jiangjie.html","2026-01-31","2026-10-29","四吉方不是挑出来的，是算出来的。一句歌诀绕八个宫走一圈，整张表就出来了；同一张表还给出排名，让你知道该先放弃哪一个。",[],{"title":196,"description":197,"path":204},"\u002Farticles\u002Ffour-auspicious-directions",{"slug":206,"title":207,"description":208,"category":7,"topicSlug":8,"legacyPath":209,"authorId":10,"publishedAt":210,"updatedAt":189,"summary":211,"relatedTools":212,"seo":213},"bed-placement-eight-mansions","八宅床位：先定墙，再谈方向","八宅床位是两个决定：哪面墙能挂床头，以及那面墙恰好给出哪个吉方。算例把两个人的数字填进去，说明两张表交叉时没有任何汇率可以换算。","\u002Fpages\u002Farticles\u002Fbazhai-chuangwei-buju.html","2026-02-02","床头靠实墙、躺下看得见门、头上不是窗——这三条先决定床放哪儿；方向跟着床头走，所以同一面墙能给出两个答案。两个人同睡时两张表交叉，而八宅在人与人之间没有汇率。",[],{"title":207,"description":208,"path":214},"\u002Farticles\u002Fbed-placement-eight-mansions",{"slug":216,"title":162,"description":217,"category":7,"topicSlug":8,"legacyPath":218,"authorId":10,"publishedAt":219,"updatedAt":220,"summary":221,"relatedTools":222,"seo":223},"room-selection-personal-gua","介绍如何把个人命卦和宅卦作为传统房间选择参考，并与采光、通风、噪声、出入、面积及每位家庭成员的实际需要一并比较。","\u002Fpages\u002Farticles\u002Fbazhai-fangjian-xuanze.html","2026-02-04","2026-10-17","命卦只能作为可选的传统偏好，不能替家庭成员决定房间。应先比较居住条件和每个人的需求，再决定是否参考方位标签。",[],{"title":162,"description":217,"path":224},"\u002Farticles\u002Froom-selection-personal-gua",{"slug":226,"title":227,"description":228,"category":7,"topicSlug":8,"legacyPath":9,"authorId":10,"publishedAt":200,"updatedAt":200,"summary":229,"relatedTools":230,"seo":231},"how-to-measure-house-facing-direction","怎样测量房子的朝向","所有以方位为基础的方法，开口前都要同一个输入：房子朝哪边。手机罗盘、正午影子、楼房自己的平面图，三种方法各有各的失效方式，而在室内，最便宜的那种最常出错。","坐与向相差 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