{"id":1667,"date":"2025-02-12T14:49:32","date_gmt":"2025-02-12T14:49:32","guid":{"rendered":"https:\/\/www.lidar.cymru\/arfordirpenfro\/what-is-lidar-data\/"},"modified":"2025-03-04T16:59:04","modified_gmt":"2025-03-04T16:59:04","slug":"what-is-lidar-data","status":"publish","type":"page","link":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/","title":{"rendered":"Cyflwyniad Lidar"},"content":{"rendered":"\n<p class=\"has-normal-font-size wp-block-paragraph\">Drwy archwilio mapio Lidar 3D, mi allwch ganfod strwythurau sydd wedi\u2019u gwneud gan bobl, gweld ystod lawn y gorchudd llystyfiant, a deall si\u00e2p y dirwedd yn ei chyfanrwydd. Mi allwch ddileu data\u2019r arwyneb i ddatgelu safleoedd archeolegol sy\u2019n angof. Mae hyn yn ein helpu i ddeall a gwarchod y dirwedd hanesyddol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ym mis Mawrth 2023, cafwyd Lidar eglurder uchel ar gyfer 345 km2 o ran ogleddol y Parc Cenedlaethol.&nbsp;Mae gan y dirwedd hon hanes cyfoethog o weithgarwch dynol sy\u2019n ymestyn yn \u00f4l miloedd o flynyddoedd. Gall Lidar helpu i ddatgelu ac olrhain y stori hon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae synhwyrydd lidar yn defnyddio laser i fesur y pellter rhwng yr awyren a&#8217;r ddaear. Trwy gofnodi miliynau o&#8217;r mesuriadau hyn gallwn greu cofnod o uchder cymharol arwyneb y ddaear. Mae&#8217;r laser hefyd yn adlewyrchu oddi ar goed ac adeiladau, ceir, buchod a charneddau &#8211; mae unrhyw beth a oedd yn bresennol yn y dirwedd ar adeg yr arolwg yn cael ei gofnodi. Mae hyn yn golygu bod yn rhaid i&#8217;r modelau gael eu dehongli gan fodau dynol i wneud synnwyr o&#8217;r wybodaeth sydd ynddynt.<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"159\" src=\"https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/pulse.gif?resize=150%2C159&#038;ssl=1\" alt=\"\" class=\"wp-image-930\" style=\"width:215px;height:auto\" data-recalc-dims=\"1\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"770\" src=\"https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/DSM_RB.jpg?resize=980%2C770&#038;ssl=1\" alt=\"\" class=\"wp-image-931\" srcset=\"https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/DSM_RB.jpg?w=980&amp;ssl=1 980w, https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/DSM_RB.jpg?resize=744%2C585&amp;ssl=1 744w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">DSM yn dangos Llystyfiant ac Adeiladau<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"985\" height=\"766\" src=\"https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/DTM_RB.jpg?resize=985%2C766&#038;ssl=1\" alt=\"\" class=\"wp-image-932\" srcset=\"https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/DTM_RB.jpg?w=985&amp;ssl=1 985w, https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/DTM_RB.jpg?resize=744%2C579&amp;ssl=1 744w\" sizes=\"auto, (max-width: 985px) 100vw, 985px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">DTM gyda Llystyfiant ac Adeiladau wedi&#8217;u tynnu<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Darganfod mwy!<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">I ddarganfod mwy am sut y gellir defnyddio lidar i ddeall y dirwedd ac adnabod nodweddion archeolegol ymunwch \u00e2 gwirfoddolwyr porth Arfordir Penfro i ddilyn ein cwrs hyfforddi ar-lein.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignfull why-important-bg is-style-no-margin-vertical has-color-accent-text-mod-color has-text-color\" style=\"padding-top:130px;padding-right:10px;padding-bottom:130px;padding-left:10px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-c90bb70c wp-block-group-is-layout-constrained\"><div class=\"alignwide-wrap\" data-block=\"columns\">\n<div class=\"wp-block-columns alignwide\">\n<div class=\"wp-block-column\">\n<h2 class=\"wp-block-heading has-display-1-font-size\" style=\"font-style:normal;font-weight:400\">Pam ei fod <br>yn bwysig?<\/h2>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p class=\"wp-block-paragraph\">Mae gorchudd llystyfiant sy&#8217;n cynyddu&#8217;n gyflym yn cuddio safleoedd sydd wedi&#8217;u cofnodi a safleoedd nas cofnodwyd. Mae&#8217;r prosiect hwn yn ein helpu i nodi, monitro&#8217;r cyflwr a rheoli olion archeolegol newydd a phresennol yn well. Gall fod yn anodd gwerthfawrogi archeoleg caeau ac aneddiadau hynafol ar lawr gwlad. Gall Lidar fod o gymorth mawr yn ein dealltwriaeth a\u2019n gwerthfawrogiad o\u2019r archaeoleg hon trwy lefelau anhygoel o fanylder a modelu 3D cadarn ac arloesol.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull is-style-default has-background\" style=\"background-color:#edf5f3\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-display-1-font-size\" style=\"font-style:normal;font-weight:400\">Cymerwch ran<\/h2>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><br>Dewch yn \u2018wyddonydd ddinesydd\u2019 a helpwch ni i ddarganfod, deall, a gwarchod treftadaeth ddiwylliannol Parc Cenedlaethol Arfordir Penfro, drwy archwilio\u2019r mapio Lidar a chanfod safleoedd archeolegol newydd a chyffrous.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/get-involved\/\" class=\"find-out-more-green\">Darganfod mwy<\/a><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"entry-summary\">\nMae Canfod a Mesur Golau (Lidar) yn ddull o gasglu data pwyntiau daearyddol drwy hedfan dros y dirwedd a defnyddio laser i fesur uchder a phellter. Mae\u2019r map 3 dimensiwn sy\u2019n deillio o hyn yn gynrychioliad manwl iawn o si\u00e2p y dirwedd a nodweddion wyneb y tir.\u00a0\n<\/div>\n<div class=\"link-more\"><a href=\"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &ldquo;Cyflwyniad Lidar&rdquo;<\/span>&hellip;<\/a><\/div>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1667","page","type-page","status-publish","hentry","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cyflwyniad Lidar - Porth lidar Arfordir Penfro<\/title>\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.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cyflwyniad Lidar - Porth lidar Arfordir Penfro\" \/>\n<meta property=\"og:description\" content=\"Mae Canfod a Mesur Golau (Lidar) yn ddull o gasglu data pwyntiau daearyddol drwy hedfan dros y dirwedd a defnyddio laser i fesur uchder a phellter. 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Mae\u2019r map 3 dimensiwn sy\u2019n deillio o hyn yn gynrychioliad manwl iawn o si\u00e2p y dirwedd a nodweddion wyneb y tir.\u00a0 Continue reading &ldquo;Cyflwyniad Lidar&rdquo;&hellip;","og_url":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/","og_site_name":"Porth lidar Arfordir Penfro","article_modified_time":"2025-03-04T16:59:04+00:00","og_image":[{"url":"https:\/\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/01\/pulse.gif"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/","url":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/","name":"Cyflwyniad Lidar - Porth lidar Arfordir Penfro","isPartOf":{"@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/#website"},"datePublished":"2025-02-12T14:49:32+00:00","dateModified":"2025-03-04T16:59:04+00:00","breadcrumb":{"@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/#breadcrumb"},"inLanguage":"cy-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/what-is-lidar-data\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/"},{"@type":"ListItem","position":2,"name":"Cyflwyniad Lidar"}]},{"@type":"WebSite","@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/#website","url":"https:\/\/www.lidar.cymru\/arfordirpenfro\/","name":"Porth lidar Arfordir Penfro","description":"","publisher":{"@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.lidar.cymru\/arfordirpenfro\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"cy-GB"},{"@type":"Organization","@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/#organization","name":"Porth lidar Arfordir Penfro","url":"https:\/\/www.lidar.cymru\/arfordirpenfro\/","logo":{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/03\/arfordirpenfro-logo.webp?fit=558%2C154&ssl=1","contentUrl":"https:\/\/i0.wp.com\/www.lidar.cymru\/arfordirpenfro\/wp-content\/uploads\/2025\/03\/arfordirpenfro-logo.webp?fit=558%2C154&ssl=1","width":558,"height":154,"caption":"Porth lidar Arfordir Penfro"},"image":{"@id":"https:\/\/www.lidar.cymru\/arfordirpenfro\/#\/schema\/logo\/image\/"}}]}},"jetpack_sharing_enabled":true,"wps_subtitle":"Defnyddio technoleg fodern i ymchwilio i dirweddau hanesyddol","_links":{"self":[{"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/pages\/1667","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/comments?post=1667"}],"version-history":[{"count":5,"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/pages\/1667\/revisions"}],"predecessor-version":[{"id":1824,"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/pages\/1667\/revisions\/1824"}],"wp:attachment":[{"href":"https:\/\/www.lidar.cymru\/arfordirpenfro\/cy\/wp-json\/wp\/v2\/media?parent=1667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}