{"id":26622,"date":"2021-10-30T18:02:39","date_gmt":"2021-10-30T18:02:39","guid":{"rendered":"https:\/\/adenilsongiovanini.com.br\/blog\/?p=26622"},"modified":"2022-08-19T16:34:55","modified_gmt":"2022-08-19T16:34:55","slug":"datum-horizontal-o-que-e-e-suas-especificidades","status":"publish","type":"post","link":"https:\/\/adenilsongiovanini.com.br\/blog\/datum-horizontal-o-que-e-e-suas-especificidades\/","title":{"rendered":"Datum horizontal?"},"content":{"rendered":"<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><strong>Datum horizontal<\/strong>, voc\u00ea acabou de colocar suas 2 m\u00e3os em um artigo definitivo a respeito do tema. Com a leitura do mesmo voc\u00ea aprender\u00e1:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O que \u00e9 um <strong>datum horizontal<\/strong>, quais suas caracter\u00edsticas e especificidades;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O que \u00e9 um <strong>geoide<\/strong>;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O que \u00e9 um <strong>elipsoide<\/strong> e;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O que \u00e9 um <strong>datum<\/strong>.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Prossiga a leitura com m\u00e1xima aten\u00e7\u00e3o.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">O que \u00e9 um datum horizontal<\/span><\/strong><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-21513\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico.png\" alt=\"datum horizontal\" width=\"778\" height=\"578\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico.png 850w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-300x223.png 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-768x570.png 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-320x238.png 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-640x475.png 640w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-360x267.png 360w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-720x534.png 720w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-800x594.png 800w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Para que voc\u00ea possa entender exatamente o que e um <strong>datum horizontal<\/strong>, precisa primeiramente entender o que um <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/blog\/datum-o-que-e-e-para-que-serve\/\" style=\"color: #0000ff;\">datum<\/a><\/span>, entendendo tamb\u00e9m o que \u00e9 um geoide e um elipsoide.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Por causa disso, eu precisarei primeiramente trazer estes conceitos para voc\u00ea.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000; font-size: 24px;\"><strong>Datum horizontal &#8211; O que \u00e9 o geoide?<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px;\">O<strong> geoide <\/strong>\u00e9 a <em>figura matem\u00e1tica que melhor descreve a forma da terra<\/em>. <\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px;\">O mesmo pode ser definido como:<\/span><\/span><\/p>\n<blockquote style=\"border: 2px double #009900; background: #f0fff0 none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; color: #323232; padding-left: 15px; padding-top: 10px; padding-bottom: 10px;\"><p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O n\u00edvel m\u00e9dio dos mares, suposto em equil\u00edbrio, prolongado para o centro dos continentes e sobre a influ\u00eancia da for\u00e7a da gravidade e da massa da terra.<\/span><\/p><\/blockquote>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/geoide\/\">geoide<\/a><\/span> \u00e9 a figura matem\u00e1tica que deve ser <strong>utilizada em obras de engenharia<\/strong>. Sendo que no Brasil todas as obras de engenharia est\u00e3o referenciadas a <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/altitude-ortometrica\/\">altitude ortom\u00e9trica <\/a><\/span>calculada a partir de um longo per\u00edodo de observa\u00e7\u00e3o do mar\u00e9grafo de Imbituba.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Sendo que a <strong>cota zero<\/strong> calculada fornece o <strong>n\u00edvel m\u00e9dio dos mares<\/strong> que serve de base para o <a style=\"color: #000000;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/datum-planimetrico-e-datum-altimetrico\/\"><span style=\"color: #0000ff;\">datum altim\u00e9trico brasileiro<\/span>.<\/a> Datum este a partir do qual s\u00e3o calculadas todas as altitudes no nosso pa\u00eds.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Altitude ortom\u00e9trica<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-25685\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/altitude-ortometrica.png\" alt=\"altitude ortom\u00e9trica\" width=\"716\" height=\"200\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/altitude-ortometrica.png 716w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/altitude-ortometrica-300x84.png 300w\" sizes=\"(max-width: 716px) 100vw, 716px\" \/><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">A <em><strong>altitude<\/strong> obtida em rela\u00e7\u00e3o ao geoide<\/em> \u00e9 chamada de <strong>altitude ortom\u00e9trica<\/strong>. Sendo que a partir da cota 0 calculada pelo <strong>Mar\u00e9grafo de Imbituba<\/strong> foi implantada a <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.ibge.gov.br\/geociencias\/informacoes-sobre-posicionamento-geodesico\/rede-geodesica\/16283-rede-altimetrica.html?=&amp;t=o-que-e\">rede altim\u00e9trica<\/a><\/span><\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O que \u00e9 a rede altim\u00e9trica<\/span><\/strong><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-25683\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/redes-altimetricas.png\" alt=\"\" width=\"456\" height=\"405\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/redes-altimetricas.png 456w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/redes-altimetricas-300x266.png 300w\" sizes=\"(max-width: 456px) 100vw, 456px\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">A <strong>rede altim\u00e9trica<\/strong> segundo o IBGE \u00e9 o conjunto de esta\u00e7\u00f5es geod\u00e9sicas, denominadas <strong>refer\u00eancias de n\u00edvel<\/strong>, que materializam a componente altim\u00e9trica do <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/sistema-geodesico-brasileiro-o-que-e\/\">Sistema Geod\u00e9sico Brasileiro \u2013 SGB<\/a><\/span>, a partir de medi\u00e7\u00f5es de <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/nivelamento-geometrico\/\">nivelamento geom\u00e9trico<\/a><\/span> de alta precis\u00e3o.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">A mesma \u00e9 materializada ap\u00f3s um longo per\u00edodo de observa\u00e7\u00e3o do n\u00edvel m\u00e9dio dos mares. Olhe novamente para a imagem abaixo.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-21513\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico.png\" alt=\"datum horizontal\" width=\"778\" height=\"578\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico.png 850w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-300x223.png 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-768x570.png 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-320x238.png 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-640x475.png 640w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-360x267.png 360w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-720x534.png 720w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/07\/datum-altimetrico-800x594.png 800w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Perceba que pr\u00f3ximo ao mar\u00e9grafo \u00e9 instalado um marco de refer\u00eancia de n\u00edvel (RN) inicial, sendo que a partir do mesmo \u00e9 implantada a <strong>rede altim\u00e9trica<\/strong>.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"> Na imagem abaixo, voc\u00ea pode ver fotos do mar\u00e9grafo que est\u00e1 no Porto de Imbituba.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-19644\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/mareografo-de-imbituba.jpg\" alt=\"mare\u00f3grafo de imbituba\" width=\"640\" height=\"480\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/mareografo-de-imbituba.jpg 640w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/mareografo-de-imbituba-300x225.jpg 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/mareografo-de-imbituba-320x240.jpg 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/mareografo-de-imbituba-360x270.jpg 360w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-19645\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-683x1024.jpg\" alt=\"datum planim\u00e9trico e o mare\u00f3grafo em imbituba\" width=\"683\" height=\"1024\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-683x1024.jpg 683w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-200x300.jpg 200w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-768x1152.jpg 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-1024x1536.jpg 1024w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-1365x2048.jpg 1365w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-320x480.jpg 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-640x960.jpg 640w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-360x540.jpg 360w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-720x1080.jpg 720w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-1080x1620.jpg 1080w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-800x1200.jpg 800w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-1280x1920.jpg 1280w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/Mareografo-scaled.jpg 1707w\" sizes=\"(max-width: 683px) 100vw, 683px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"> Pr\u00f3ximo ao mar\u00e9grafo, em local seguro existe um <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/marcos-topograficos-quais-os-tipos-existentes\/\">marco topogr\u00e1fico<\/a>,<\/span> que \u00e9 o ponto de origem da <strong>rede altim\u00e9trica<\/strong> (RN 4X), sendo que o mesmo possui 8,6362 metros em rela\u00e7\u00e3o ao n\u00edvel m\u00e9dio do mar local.<\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-19646\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba.jpg\" alt=\"datum altim\u00e9trico - marco zero em imbituba\" width=\"780\" height=\"407\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba.jpg 800w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba-300x156.jpg 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba-768x400.jpg 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba-320x167.jpg 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba-640x334.jpg 640w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba-360x188.jpg 360w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/marco-zero-em-imbituba-720x375.jpg 720w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O <span style=\"color: #0000ff;\">Sistema Geod\u00e9sico Brasileiro (SGB)<\/span> \u00e9 constitu\u00eddo por cerca de 70.000 esta\u00e7\u00f5es implantadas pelo IBGE em todo o Territ\u00f3rio Brasileiro, sendo divididas em tr\u00eas redes:<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><strong>Rede planim\u00e9trica<\/strong>: <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/blog\/latitude-e-longitude-o-que-sao-e-como-calcular\/\" style=\"color: #0000ff;\">latitude e longitude<\/a><\/span> de alta precis\u00e3o;<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><strong>Rede altim\u00e9trica<\/strong>: altitudes de alta precis\u00e3o e;<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><strong>Rede gravim\u00e9trica<\/strong>: valores precisos de acelera\u00e7\u00e3o gravim\u00e9trica.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000; font-size: 24px;\"><strong>Datum horizontal &#8211; O que \u00e9 o Elipsoide?<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"code-block code-block-1\">\n<div><\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-3666\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/11\/elipsoide.png\" sizes=\"(max-width: 503px) 100vw, 503px\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/11\/elipsoide.png 503w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/11\/elipsoide-300x254.png 300w\" alt=\"datum planim\u00e9trico - conceito de elipsoide\" width=\"503\" height=\"426\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/elipsoide-o-que-e-e-para-que-serve\/\">elipsoide<\/a><\/span> \u00e9 um modelo matem\u00e1tico dotado de 2 par\u00e2metros:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Semi-eixo maior e;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Semi-eixo menor.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O mesmo precisou ser criado, pois o <strong>geoide era demasiadamente complexo<\/strong> para ser utilizado no dia a dia.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px; color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">Datum horizontal &#8211; O que \u00e9 um Datum <\/span><\/strong><\/span><\/h2>\n<p><img decoding=\"async\" class=\"size-large wp-image-4967 aligncenter\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-780x314.jpg\" alt=\"datum planim\u00e9tricoou datum horizontal\" width=\"780\" height=\"314\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-780x314.jpg 780w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-300x121.jpg 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-768x309.jpg 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000.jpg 945w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">De acordo com a <span style=\"color: #0000ff;\">Prof\u00aa Maria Cec\u00edlia Bonato Brandalize <span style=\"color: #000000;\">u<\/span><\/span>m <strong>Datum<\/strong> \u00e9 \u00e9 um <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/sistema-de-referencia\/\">sistema de refer\u00eancia<\/a><\/span> utilizado para o c\u00f4mputo ou correla\u00e7\u00e3o dos resultados de um levantamento. <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O crit\u00e9rio para a escolha do <strong>ponto geod\u00e9sico de origem do datum<\/strong> \u00e9 a m\u00e1xima coincid\u00eancia <\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">entre a superf\u00edcie do geoide e do elipsoide. <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Um <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/datum-o-que-e-e-para-que-serve\/\">datum<\/a><\/span> \u00e9 um conjunto de pontos e seus respectivos valores de coordenadas, que definem as condi\u00e7\u00f5es iniciais para o estabelecimento de um <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/sistema-geodesico-de-referencia\/\">sistema geod\u00e9sico<\/a><\/span>. <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Um sistema geod\u00e9sico, por sua vez, \u00e9 um conjunto de esta\u00e7\u00f5es geod\u00e9sicas (<span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/marcos-geodesicos-quais-os-tipos-existentes\/\">marcos<\/a><\/span>) e suas coordenadas. <\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-19642\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/sistema-geodesico.jpg\" alt=\"datum planim\u00e9trico e o sistema geod\u00e9sico\" width=\"616\" height=\"744\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/sistema-geodesico.jpg 616w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/sistema-geodesico-248x300.jpg 248w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/sistema-geodesico-320x386.jpg 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/sistema-geodesico-360x435.jpg 360w\" sizes=\"(max-width: 616px) 100vw, 616px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Datum horizontal<\/span><\/strong><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-26624\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-horizontal-780x585.jpg\" alt=\"datum horizontal\" width=\"780\" height=\"585\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-horizontal-780x585.jpg 780w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-horizontal-300x225.jpg 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-horizontal-768x576.jpg 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-horizontal.jpg 960w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px; color: #000000;\">Fonte da imagem: https:\/\/slideplayer.com.br\/slide\/7972073\/<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O <strong>datum horizontal<\/strong> segundo a professora Maria Cecilia \u00e9 utilizado no referenciamento das posi\u00e7\u00f5es tomadas sobre a superf\u00edcie terrestre. <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O mesmo \u00e9 definido: <\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Pelas <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/blog\/sistema-de-coordenadas-geograficas\/\" style=\"color: #0000ff;\">coordenadas geogr\u00e1ficas<\/a><\/span> de um ponto inicial;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Pela dire\u00e7\u00e3o da linha entre este ponto inicial e um segundo ponto especificado, e;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Pelas duas dimens\u00f5es (a e b) que definem o elipsoide utilizado para representa\u00e7\u00e3o da superf\u00edcie terrestre.<\/span><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-3939\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/datum.png\" alt=\"datum horizontal\" width=\"679\" height=\"385\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/datum.png 679w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/datum-300x170.png 300w\" sizes=\"(max-width: 679px) 100vw, 679px\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O datum horizontal <strong>representa a base para o c\u00e1lculo e controle dos levantamentos<\/strong>, onde a planimetria da terra \u00e9 considerada.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Datum vertical<\/span><\/strong><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter size-large wp-image-26625\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-vertical-780x585.jpg\" alt=\"\" width=\"780\" height=\"585\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-vertical-780x585.jpg 780w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-vertical-300x225.jpg 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-vertical-768x576.jpg 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/10\/datum-vertical.jpg 960w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 16px; color: #000000;\">Fonte da imagem: https:\/\/slideplayer.com.br\/slide\/7972073\/<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"> J\u00e1 <strong>datum vertical<\/strong> segundo a professora Maria Cecilia \u00e9 uma superf\u00edcie de n\u00edvel utilizada no referenciamento das altitudes tomadas sobre a superf\u00edcie terrestre. <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O mesmo representa a base para o <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/operador-de-gnss\/\" style=\"color: #0000ff;\">posicionamento altim\u00e9trico<\/a><\/span> de pontos sobre a superf\u00edcie terrestre.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: center;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Datum horizontal &#8211; Os 2 tipos existentes<\/span><\/strong><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4967 size-large\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-780x314.jpg\" alt=\"datum planim\u00e9trico - converter sad 69 para sirgas 2000\" width=\"780\" height=\"314\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-780x314.jpg 780w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-300x121.jpg 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000-768x309.jpg 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/CONVERTER-SAD69-PARA-SIRGAS2000.jpg 945w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Existem<strong> 2 tipos de Data<\/strong> (plural de datum) horizontais: <\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><strong>Datum global<\/strong>: quando o elipsoide for global e n\u00e3o tiver ponto de amarra\u00e7\u00e3o sobre a superf\u00edcie terrestre que n\u00e3o os definidos no sistema. <\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><strong>Datum local<\/strong>: quando o elipsoide for local o mesmo deve possuir par\u00e2metros diferenciais.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Existe uma grande quantidade de data sendo utilizados atualmente. Os mesmos foram definidos em diferentes ocasi\u00f5es e por diferentes autores.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Os data mais comuns aqui no Brasil <\/span><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">s\u00e3o:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/sirgas-2000\/\">SIRGAS 2000<\/a>,<\/span> que \u00e9 o datum planim\u00e9trico oficial;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/sad69\/\"> SAD69<\/a><\/span>, datum planim\u00e9trico que era o oficial do pais at\u00e9 poucos anos atr\u00e1s;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/corrego-alegre\/\">C\u00f3rrego Alegre<\/a><\/span>, que \u00e9 o datum local mais antigo e;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\"><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/www.aprh.pt\/rgci\/glossario\/WGS84.html\">WGS84<\/a><\/span>, que \u00e9 o datum mundial (global).<\/span><\/li>\n<\/ul>\n<p>\n<span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">O <strong>datum WGS84 <\/strong>\u00e9 um Datum global e geoc\u00eantrico, o mesmo adotou o elipsoide GRS80, que ajusta-se \u00e0 terra como um todo, sendo que o mesmo possui a origem de seus eixos coordenados no centro de massa da Terra. <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">No <strong>datum global<\/strong>, o elipsoide \u00e9 fixado ao planeta pelo Equador e pelo Meridiano de Greenwich, n\u00e3o necessitando de ponto geod\u00e9sico origem, nem de <span style=\"color: #0000ff;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/blog\/transformar-rumo-em-azimute\/\" style=\"color: #0000ff;\">Azimute<\/a> <\/span>inicial.<\/span><\/p>\n<h2><\/h2>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 24px;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Datum planim\u00e9trico &#8211; Porque existem tantos data planim\u00e9tricos em uso? <\/span><\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4931\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/sad-69-versus-sirgas-2000.jpg\" alt=\"porque existem tantos data planim\u00e9tricos em uso\" width=\"778\" height=\"584\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/sad-69-versus-sirgas-2000.jpg 960w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/sad-69-versus-sirgas-2000-300x225.jpg 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/sad-69-versus-sirgas-2000-780x585.jpg 780w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2019\/12\/sad-69-versus-sirgas-2000-768x576.jpg 768w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Ao longo do tempo, o <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/blog\/geodesia-conceito-objetivos-e-aplicacoes\/\">conhecimento geod\u00e9sico<\/a><\/span> e a tecnologia evolu\u00edram. Estas evolu\u00e7\u00f5es fizeram com que os instrumentos geod\u00e9sicos evolu\u00edssem, de certa maneira que ao longo do tempo diferentes elipsoides de revolu\u00e7\u00e3o precisaram ser adotados.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">\u00c9 por isso que, com o tempo, surgiu a necessidade de mudan\u00e7a do <strong>datum oficial brasileiro<\/strong>. <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Da mesma maneira, cada parte do planeta possui suas particularidades f\u00edsicas, o que faz com que seja necess\u00e1ria a exist\u00eancia dos 2 tipos de elipsoides:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Elipsoides globais, que melhor representam a terra como um todo e;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Elipsoides locais, que melhor se ajustam a determinados continentes ou partes do planeta.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; color: #000000; line-height: 1.3;\">\u00c9 isso por este artigo. <\/span><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; color: #000000; line-height: 1.3;\">Lembrando que eu tamb\u00e9m possuo uma s\u00e9rie de <strong>cursos pr\u00e1ticos e de livros<\/strong>. <\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; color: #000000; line-height: 1.3;\">Se voc\u00ea quer<strong> MERGULHAR FUNDO e aprender a prestar servi\u00e7os com grande velocidade e com seguran\u00e7a<\/strong>, <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/cursos-online\/\">acesse este link<\/a><\/span> e conhe\u00e7a os mesmos.<\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">Entre eles, o <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/curso-de-autocad-para-topografia\/\" target=\"_blank\" rel=\"noopener noreferrer\">Curso de Confec\u00e7\u00e3o de Plantas Topogr\u00e1ficas<\/a><\/span>. <span style=\"color: #000000;\">Um <\/span><\/span><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">curso pr\u00e1tico\u00a0<\/span><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; line-height: 1.3;\">com o qual voc\u00ea vai <strong>aprender a produzir as 15 diferentes plantas produzidas em um escrit\u00f3rio de topografia<\/strong>.<\/span><\/span><\/p>\n<p><a href=\"https:\/\/adenilsongiovanini.com.br\/curso-de-autocad-para-topografia\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"aligncenter wp-image-31689\" src=\"https:\/\/adenilsongiovanini.com.br\/wp-content\/uploads\/2022\/07\/planta-de-topografia-1024x612.png\" alt=\"\" width=\"770\" height=\"460\" \/><\/a><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Clique <a href=\"https:\/\/adenilsongiovanini.com.br\/curso-de-autocad-para-topografia\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #0000ff;\">neste link<\/span><\/a> e conhe\u00e7a melhor o mesmo.<\/span><\/p>\n<p><span style=\"font-size: 20px; font-family: arial, helvetica, sans-serif; color: #000000; line-height: 1.3;\">Gratid\u00e3o por voc\u00ea ter lido o artigo. \ud83d\ude4f<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000; font-size: 24px;\"><strong>Domine a Topografia Cadastral atrav\u00e9s de um livro formado por centenas de exemplos pr\u00e1ticos <\/strong><\/span><\/h2>\n<h2 style=\"text-align: center;\"><span style=\"font-size: 20px;\"><a href=\"https:\/\/adenilsongiovanini.com.br\/georreferenciamento-de-imoveis-rurais-na-pratica\/\" rel=\"nofollow noreferrer\"><img decoding=\"async\" class=\"aligncenter size-large wp-image-19317\" src=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1024x474.png\" sizes=\"(max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1024x474.png 1024w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-300x139.png 300w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-768x355.png 768w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1536x711.png 1536w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-320x148.png 320w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-640x296.png 640w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-360x167.png 360w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-720x333.png 720w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1080x500.png 1080w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-800x370.png 800w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento-1280x592.png 1280w, https:\/\/adenilsongiovanini.com.br\/blog\/wp-content\/uploads\/2021\/04\/livro-de-topografia-e-georreferenciamento.png 1565w\" alt=\"livro de topografia e georreferenciamento\" width=\"1024\" height=\"474\" \/><\/a><\/span><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Voc\u00ea quer dominar a Topografia Cadastral?<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: 20px; color: #000000;\">Ent\u00e3o eu tenho uma \u00f3tima noticia para voc\u00ea. Me refiro ao <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/adenilsongiovanini.com.br\/georreferenciamento-de-imoveis-rurais-na-pratica\/\" rel=\"nofollow noreferrer\">livro Topografia Cadastral e Georreferenciamento de Im\u00f3veis Rurais na Pr\u00e1tica<\/a><\/span>.<\/span><\/p>\n<p><span style=\"font-size: 20px;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">O mesmo \u00e9 dividido em 10 cap\u00edtulos recheados com muitos estudos de caso e exemplos pr\u00e1ticos. D\u00ea uma espiadinha no sum\u00e1rio do mesmo:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><center><iframe width=\"99%\" height=\"980\" src=\"https:\/\/drive.google.com\/file\/d\/1HJ8fZz1PvPmftfXHJNFTvIBBzY_FZhPJ\/preview\"><span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span><\/iframe><\/center><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 20px;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Para conhecer melhor a estrutura do livro, juntar-se a mais de 800 profissionais e adquirir sua c\u00f3pia \u00e9 s\u00f3 clicar no bot\u00e3o abaixo:<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000; font-size: 20px;\"><div class=\"su-button-center\"><a href=\"https:\/\/adenilsongiovanini.com.br\/georreferenciamento-de-imoveis-rurais-na-pratica\/\" class=\"su-button su-button-style-3d\" style=\"color:#000000;background-color:#2BCC2F;border-color:#23a426;border-radius:9px\" target=\"_blank\" rel=\"nofollow\" id=\"1\"><span style=\"color:#000000;padding:0px 24px;font-size:18px;line-height:36px;border-color:#6bdc6e;border-radius:9px;text-shadow:0px 0px 0px #000000\"> \u279c Quero Conhecer Melhor o Livro, Pois Quero e Preciso Aprender Mais Sobre Legisla\u00e7\u00e3o Cadastral e Geo. de Im\u00f3veis Rurais<\/span><\/a><\/div><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Datum horizontal, voc\u00ea acabou de colocar suas 2 m\u00e3os em um artigo definitivo a respeito do tema. Com a leitura do mesmo voc\u00ea aprender\u00e1: O que \u00e9 um datum horizontal, quais suas caracter\u00edsticas e especificidades; O que \u00e9 um geoide; O que \u00e9 um elipsoide e; O que \u00e9 um [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4752,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[13,53],"tags":[],"class_list":["post-26622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arcgis","category-cartografia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Datum horizontal? - Adenilson Giovanini<\/title>\n<meta name=\"description\" content=\"Descubra o que \u00e9 um datum horizontal, quais suas caracter\u00edsticas e especificidades e, s\u00e3o o geoide e o elipsoide. 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