{"id":2058,"date":"2023-02-08T13:47:10","date_gmt":"2023-02-08T16:47:10","guid":{"rendered":"https:\/\/qualimapas.com\/?p=2058"},"modified":"2025-02-03T12:55:31","modified_gmt":"2025-02-03T15:55:31","slug":"raio-buffer","status":"publish","type":"post","link":"https:\/\/qualimapas.com\/index.php\/2023\/02\/08\/raio-buffer\/","title":{"rendered":"Raio de influ\u00eancia (buffer) no QGIS"},"content":{"rendered":"\t\t
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Os raios de influ\u00eancia podem ser usados para diferentes prop\u00f3sitos, os mais comum s\u00e3o:
. Equipamentos p\u00fablicos (pontos): para que seja poss\u00edvel verificar a car\u00eancia dos equipamentos ou sobreposi\u00e7\u00f5es;
. \u00c1reas de Preserva\u00e7\u00e3o Permanente – APPs (linhas): feitas a partir das linhas de hidrografia, para que seja poss\u00edvel analisar a incid\u00eancia de edifica\u00e7\u00f5es por exemplo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Quer sair do zero e elaborar mapas completos e complexos, com dados e informa\u00e7\u00f5es organizadas e leg\u00edveis em um curso de apenas 6h?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tsaiba mais<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tentre em contato<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Passo-a -passo<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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V\u00eddeo aula<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Passo-a-passo<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Ap\u00f3s definir qual ser\u00e1 a camada de entrada de dados (pontos, linhas ou pol\u00edgonos), abra a Caixa de Ferramentas de Processamento<\/span>.<\/p>

Voc\u00ea a encontra clicando no \u00edcone de engrenagem ou em:\u00a0
. Visualizar -> Pain\u00e9is -> Caixa de Ferramentas de Processamento:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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O painel vai abrir provavelmente ao lado da aba de Estiliza\u00e7\u00e3o de Camadas, mas voc\u00ea pode fix\u00e1-lo onde preferir.<\/p>

. Busque a ferramenta BUFFER<\/strong>;
. Ao abrir a caixa de di\u00e1logo, selecione a camada de entrada (pontos, linhas ou pol\u00edgonos);
. Defina a dist\u00e2ncia do raio de influ\u00eancia de acordo com a unidade de prefer\u00eancia;
. Clique em executar.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Se tudo correr bem, uma nova camada com o nome BORDEADA vai aparecer no painel de camadas.<\/p>

ATEN\u00c7\u00c3O!\u00a0<\/strong><\/span><\/p>

Esse \u00edcone ao lado do nome da camada significa que ela \u00e9 uma camada tempor\u00e1ria<\/span>, voc\u00ea deve clicar nele e salvar a geometria como GeoPackage ou Shapefile para que ela fique armazenada nos seus arquivos. Caso contr\u00e1rio, essa camada ser\u00e1 descartada ao fechar o projeto (QGZ).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Saiba mais sobre formatos de arquivo nesse post:\u00a0<\/p>

Formatos de arquivo no QGIS: Shapefile (shp), Geopackage (GPKG) e Projeto (QGZ).<\/a><\/p><\/blockquote>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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V\u00eddeo aula<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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No v\u00eddeo a seguir tem explica\u00e7\u00f5es mais completas sobre a ferramenta de buffe<\/span>r e tamb\u00e9m uma revis\u00e3o de configura\u00e7\u00f5es de r\u00f3tulos<\/span> parar deixar seus mapas cada vez mais leg\u00edvies.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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<\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Fique por dentro das novidades da qualimapas assinando a newsletter no bot\u00e3o inscreva-se ou\u00a0clicando aqui.<\/a>\u00a0
\u00c9 gr\u00e1tis e apenas 1 email por m\u00eas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Aprenda a fazer raios de influ\u00eancia ou buffer a partir de pontos, linhas ou pol\u00edgonos.<\/p>\n","protected":false},"author":1,"featured_media":2060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[25,20,9,10,15,26,16,14,11,28],"tags":[],"post_folder":[],"class_list":["post-2058","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-edicao","category-ferramenta","category-inciante","category-intermediario","category-linha","category-nivel","category-poligono","category-ponto","category-representacao","category-vetores"],"yoast_head":"\nRaio de influ\u00eancia (buffer) no QGIS - 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