

{"id":225,"date":"2010-12-01T12:00:32","date_gmt":"2010-12-01T11:00:32","guid":{"rendered":"http:\/\/zbrush.dpi.upv.es\/wordpress\/?p=225"},"modified":"2016-10-17T18:07:21","modified_gmt":"2016-10-17T17:07:21","slug":"zbrush-y-el-esculpido-digital","status":"publish","type":"post","link":"https:\/\/zbrush.dpi.upv.es\/wordpress\/zbrush-y-el-esculpido-digital\/","title":{"rendered":"ZBrush y el esculpido digital"},"content":{"rendered":"<p>El esculpido digital es una disciplina que conjuga la t\u00e9cnica tradicional de modelado con materiales blandos (arcilla, por ejemplo) con las tecnolog\u00edas CGI (Computer Generated Imagery). Se basa en el uso de programas similares a los empleados en la generaci\u00f3n de im\u00e1genes realistas <!--more-->(3D Studio, Maya, Cinema 4D, Blender), pero que utilizan herramientas de deformaci\u00f3n libre que realizan operaciones muy similares a las que llevar\u00eda a cabo un escultor trabajando sobre materia real. As\u00ed, es posible presionar, estirar, a\u00f1adir o retirar material, pulir, suavizar y actuar de muchas otras formas sobre la geometr\u00eda en escena. El sistema de trabajo es por tanto muy diferente al que se emplea en modeladores poligonales tradicionales, si bien estos incluyen en mayor o menor medida herramientas de deformaci\u00f3n libre.<\/p>\n<p>Debido a sus caracter\u00edsticas, estos programas han encontrado un mercado natural en los profesionales de la animaci\u00f3n, el dise\u00f1o de videojuegos, la generaci\u00f3n de efectos especiales, la producci\u00f3n de escenarios y personajes en la industria cinematogr\u00e1fica y la ilustraci\u00f3n y el dise\u00f1o gr\u00e1fico. El punto fuerte indudable de este tipo de software es el modelado org\u00e1nico.<\/p>\n<p>Existen varios programas centrados en el modelado mediante esculpido digital: ZBrush (Pixologic), Mudbox (Autodesk), 3D Coat (Pilgway), Modo (Luxology), Blender, Silo (Nevercenter), Hexagon (DAZ)\u2026 Todos ellos presentan puntos fuertes y d\u00e9biles, como casi todo en esta vida.<\/p>\n<p>ZBrush naci\u00f3 no obstante como un programa singular, y es en naturaleza muy diferente al resto. Su filosof\u00eda inicial era la de un programa de pintura digital con una novedosa componente tridimensional. Gracias al innovador concepto de pixol (un pixel con informaci\u00f3n adicional de profundidad, textura y material) el artista pod\u00eda (y a\u00fan puede) efectuar trazos con volumen. Con idea de ayudar al ilustrador a incorporar contenido 3D en sus trabajos, se a\u00f1adi\u00f3 una serie de primitivas y un conjunto de herramientas para modelarlas. El resultado es un software que permite el trabajo combinado en 2D y 3D, pasando por el entorno 2.5D, extra\u00f1o pero inmensamente potente desde el punto de vista art\u00edstico. Esta caracter\u00edstica tambi\u00e9n lo aleja de la tipolog\u00eda cl\u00e1sica del modelador 3D, por lo que el primer contacto con el programa es siempre desconcertante cuando uno est\u00e1 acostumbrado a un entorno 3D \u201creal\u201d.<\/p>\n<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-overflow:visible;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last fusion-column-no-min-height\" style=\"--awb-bg-size:cover;--awb-margin-bottom:0px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div id=\"attachment_297\" style=\"width: 570px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/zbrush.dpi.upv.es\/wordpress\/wp-content\/uploads\/2010\/12\/Ejemplo2.5D.jpg\"><img decoding=\"async\" aria-describedby=\"caption-attachment-297\" class=\"size-large wp-image-297\" title=\"Entorno 2.5D en ZBrush\" src=\"http:\/\/zbrush.dpi.upv.es\/wordpress\/wp-content\/uploads\/2010\/12\/Ejemplo2.5D-1024x751.jpg\" alt=\"\" width=\"560\" height=\"410\" srcset=\"https:\/\/zbrush.dpi.upv.es\/wordpress\/wp-content\/uploads\/2010\/12\/Ejemplo2.5D-300x220.jpg 300w, https:\/\/zbrush.dpi.upv.es\/wordpress\/wp-content\/uploads\/2010\/12\/Ejemplo2.5D-1024x751.jpg 1024w, https:\/\/zbrush.dpi.upv.es\/wordpress\/wp-content\/uploads\/2010\/12\/Ejemplo2.5D.jpg 1366w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><p id=\"caption-attachment-297\" class=\"wp-caption-text\">Entorno 2.5D en ZBrush<\/p><\/div>\n<p>Desde el lanzamiento en 1999 de la versi\u00f3n 0.86 hasta el reciente ZBrush 4.0, las herramientas de esculpido han evolucionado enormemente, posibilitando el modelado desde cero de virtualmente cualquier forma imaginable. Es justo admitir que todav\u00eda existen muchas formas inorg\u00e1nicas que se producen m\u00e1s eficientemente en modeladores tradicionales, pero la reciente incorporaci\u00f3n de la utilidad GoZ, que permite transferir el trabajo entre ZBrush y paquetes como 3D Studio MAX, Maya, Modo o Cinema 4D salva ese problema con solvencia.<\/p>\n<p><object width=\"640\" height=\"385\" classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=6,0,40,0\"><param name=\"allowFullScreen\" value=\"true\" \/><param name=\"allowscriptaccess\" value=\"always\" \/><param name=\"src\" value=\"http:\/\/www.youtube.com\/v\/NtHDsscyrtY?fs=1&amp;hl=es_ES\" \/><param name=\"allowfullscreen\" value=\"true\" \/><embed width=\"640\" height=\"385\" type=\"application\/x-shockwave-flash\" src=\"http:\/\/www.youtube.com\/v\/NtHDsscyrtY?fs=1&amp;hl=es_ES\" allowFullScreen=\"true\" allowscriptaccess=\"always\" allowfullscreen=\"true\" \/><\/object><\/p>\n<p>La reciente incorporaci\u00f3n de Sculptris, un programa por el momento gratuito de esculpido sobre malla adaptativa (la resoluci\u00f3n de la malla var\u00eda selectivamente en funci\u00f3n del esculpido) a la bater\u00eda de utilidades de Pixologic abre nuevas posibilidades a la imaginaci\u00f3n.<\/p>\n<p>En definitiva, una extra\u00f1a joya en el siempre creciente espectro de programas CGI cuyo potencial es dif\u00edcil agotar. Os animo a intentarlo.<div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Una breve introducci\u00f3n a la escultura digital.<\/p>\n","protected":false},"author":1,"featured_media":297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_eb_attr":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[13],"tags":[171,169],"class_list":["post-225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zbrush-2","tag-esculpido-digital","tag-zbrush"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ZBrush y el esculpido digital - 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