{"id":14064,"date":"2019-12-02T15:07:46","date_gmt":"2019-12-02T20:07:46","guid":{"rendered":"https:\/\/www.sr-research.com\/?p=14064"},"modified":"2023-03-29T06:41:54","modified_gmt":"2023-03-29T11:41:54","slug":"visual-angle","status":"publish","type":"post","link":"https:\/\/www.sr-research.com\/zh\/eye-tracking-blog\/background\/visual-angle\/","title":{"rendered":"\u89c6\u89d2"},"content":{"rendered":"
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\"Visual<\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n

<\/path><\/svg><\/span><\/span>\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\uff1a <\/span>6<\/span> \u5206\u949f<\/span><\/p>\n\n\n\n

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\"\"<\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n

\u89c6\u89d2\u8ba1\u7b97<\/h2>\n\n\n\n

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\"Visual<\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n

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\"\"<\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n

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\"Degrees<\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n

\u5c06\u50cf\u7d20\u8f6c\u6362\u4e3a\u89c6\u89d2\u5ea6<\/h2>\n\n\n\n

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\u5728\u7ebf\u89c6\u89d2\u8ba1\u7b97\u5668\uff01<\/h2>\n\n\n\n

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\u8054\u7cfb<\/h2>\n\n\n\n

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\u8054\u7cfb<\/a><\/div>\n<\/div>\n\n<\/div>\n<\/div><\/div>\n\n\n

\u9605\u8bfb\u66f4\u591a\u4fe1\u606f<\/h2>\n\n\n\n
<\/div>","protected":false},"excerpt":{"rendered":"

The concept of visual angle is critical to many aspects of eye-tracking research, but it is one of those things that people are somehow just expected to understand. This blog is my attempt to explain visual angle in the way I wish someone had explained it to me, e.g., with the bare minimum of math… …<\/p>","protected":false},"author":5,"featured_media":14933,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[4,1349],"tags":[],"class_list":{"2":"type-post","7":"category-background","8":"category-resources","9":"entry"},"yoast_head":"\nVisual Angle - Fast, Accurate, Reliable Eye Tracking<\/title>\n<meta name=\"description\" content=\"Learn how to calculate degrees of visual angle, and why it is such an important concept in so many different aspects of eye tracking research.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sr-research.com\/zh\/eye-tracking-blog\/background\/visual-angle\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Visual Angle\" \/>\n<meta property=\"og:description\" content=\"Learn how to calculate degrees of visual angle, and why it is such an important concept in so many different aspects of eye tracking research.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sr-research.com\/zh\/eye-tracking-blog\/background\/visual-angle\/\" \/>\n<meta property=\"og:site_name\" content=\"Fast, Accurate, Reliable Eye Tracking\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SR-Research-Ltd-640093842854433\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-12-02T20:07:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-29T11:41:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sr-research.com\/wp-content\/uploads\/2019\/12\/visual-angle-explanation-960x400.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sam Hutton\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SRResearchLtd\" \/>\n<meta name=\"twitter:site\" content=\"@SRResearchLtd\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Hutton\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/zh\\\/eye-tracking-blog\\\/background\\\/visual-angle\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/zh\\\/eye-tracking-blog\\\/background\\\/visual-angle\\\/\"},\"author\":{\"name\":\"Sam Hutton\",\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/#\\\/schema\\\/person\\\/5fa590fca288373447ad60095a13b7d0\"},\"headline\":\"Visual Angle\",\"datePublished\":\"2019-12-02T20:07:46+00:00\",\"dateModified\":\"2023-03-29T11:41:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/zh\\\/eye-tracking-blog\\\/background\\\/visual-angle\\\/\"},\"wordCount\":967,\"publisher\":{\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/zh\\\/eye-tracking-blog\\\/background\\\/visual-angle\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sr-research.com\\\/wp-content\\\/uploads\\\/2019\\\/12\\\/visual-angle-explanation-960x400.jpg\",\"articleSection\":[\"Background\",\"Eye-Tracking Resources\"],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sr-research.com\\\/zh\\\/eye-tracking-blog\\\/background\\\/visual-angle\\\/\",\"url\":\"https:\\\/\\\/www.sr-research.com\\\/zh\\\/eye-tracking-blog\\\/background\\\/visual-angle\\\/\",\"name\":\"Visual Angle - 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