{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","title":"数字化生存 20周年纪念版","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121307362","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","id":"bbcce9bd-b637-4fa6-8a80-dadabab80104","uuid":"bbcce9bd-b637-4fa6-8a80-dadabab80104","title":"数字化生存 20周年纪念版","normalized_title":"数字化生存20周年纪念版","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121307362","isbns":["9787121307362"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":362,"navigation_url":"https://workshop.closeclaw.top/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104","title_url":"https://workshop.closeclaw.top/ai/title/%E6%95%B0%E5%AD%97%E5%8C%96%E7%94%9F%E5%AD%98%2020%E5%91%A8%E5%B9%B4%E7%BA%AA%E5%BF%B5%E7%89%88","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/bbcce9bd-b637-4fa6-8a80-dadabab80104/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/bbcce9bd-b637-4fa6-8a80-dadabab80104","page_url":"https://workshop.closeclaw.top/api/ai/books/bbcce9bd-b637-4fa6-8a80-dadabab80104/page","search_url":"https://workshop.closeclaw.top/api/ai/books/bbcce9bd-b637-4fa6-8a80-dadabab80104/search"},"page":{"printed_page":112,"pdf_page":183,"physical_index":183,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"eb06b673362e5e22c2608770a32839ad40af021d2f1f230e94e53299ec1e2b98"},"chapter":"20周年纪念版 数字化生存 一本影响千百万人的互联网启蒙经典著作","content":"比如说，飞行模拟，这一最复杂和使用时间最久的虚拟现实应用，就比驾驶一架真正的飞机还要逼真。刚训练出来的、但已练就一身好本领的飞行员之所以能在初试牛刀时就驾驶一架满载乘客的“真正”波音747客机，原因就是他们在飞行模拟器上学习驾驶技术，要比他们在真正的飞机上学到的还要快、还要多。在模拟器中，飞行员会置身于在现实世界里可能不会出现的所有罕见的情况中，包括飞机几乎相撞或裂成几段。\n\n另外一个具有社会意义的虚拟现实应用，就是汽车驾驶学校的驾驶训练。在一条湿滑的路上，突然有个小孩冲到两辆汽车中间，如果从未经历过这种情况，谁也不知道自己会作何反应。虚拟现实容许我们“亲身”体验各种可能发生的情况。\n\n身临其境\n\n虚拟现实背后的构想是，通过让眼睛接收到在真实情境中才能接收到的信息，使人产生“身临其境”的感觉，更重要的一点是，你所看到的形象会随着你视点的变化即时改变，这就更增强了现场的动感。我们对真实空间的感觉来自各种视觉线索（visualcues)，例如物体的相对体积、亮度以及在不同角度上的运动情况。其中最强烈的线索来自双眼透视(perspective)，由于左右眼看到的形象并不相同，双眼同时使用时就会产生特别强有力的效果。把这些不同的形象合成一个三维图像，也就构成了立体视觉（stereovision）的基础。\n\n112\n\nbeing digital |数字化生存","previous_page":111,"next_page":113}