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Cómo Renderizar Imágenes de Alta Calidad en Blender

how-to-render-high-quality-images-in-blender

En este artículo, el principal proveedor de granjas de render de Blender y servicios de renderizado en la nube, Fox Renderfarm, te explicará cómo renderizar imágenes de alta calidad en Blender.

Con el desarrollo de la tecnología informática, Blender se ha utilizado ampliamente en el campo del diseño gráfico, lo que ha permitido que personas comunes también tengan la oportunidad de acercarse a la tecnología de gráficos por computadora, conocida como "tecnología CG". La imagen generada por computadora (CGI) también es la tecnología de animación 3D por computadora. Ya sea "Toy Story", "El Rey León" o "1917", el éxito de estos blockbusters de clase mundial no podría haberse logrado sin la creación de modelos en software 3D, seguidos por los efectos visuales, la composición en software de postproducción, edición, y más.

how to render high-quality images in blender - 1

Image via blendercn.org

Como una nueva estrella en el software 3D, Blender integra modelado, esculpido, vinculación, partículas, animación, etc., y es un software que admite la creación comercial de manera gratuita para siempre. Entonces, ¿cómo usamos Blender para generar imágenes de alta calidad?

Blender tiene 2 motores de renderizado que pueden convertir una escena 3D en una imagen 2D:

  • Eevee: es un renderizador en tiempo real basado en física.
  • Cycles: es un renderizador basado en trazado de rayos (ray-tracing) y físicamente preciso.

Además, puedes usar complementos (plugins) para agregar más motores de renderizado de terceros. Cada motor de renderizado tiene sus propios ajustes para controlar la calidad de la imagen y el rendimiento. El efecto final del renderizado está determinado por la cámara, la iluminación y los materiales, que a su vez determinan la calidad de las imágenes de salida.

how to render high-quality images in blender

Image via blendercn.org

Aquí está el ejemplo del motor de renderizado Cycles que viene con Blender. Como motor de renderizado basado en GPU, los efectos de renderizado se han vuelto cada vez más maduros, y su velocidad es mucho más rápida que la del renderizador basado en CPU. Entonces, ¿dónde afecta esto la calidad de la imagen de salida?

Muestreo

El método de muestreo determina cómo se calcula la luz. La luz se emite desde la cámara hacia la escena y rebota de un lado a otro hasta que encuentra una fuente de luz, como un objeto luminoso, un objeto que emite luz o la luz ambiental de fondo. El número de trazos de luz por píxel en el renderizado final. Cuantos más muestreos haya, menos ruido habrá en el resultado y será más preciso.

Seguimiento de trayectoria

La propiedad de renderizado es la cantidad de luz emitida desde la cámara hacia cada píxel. La propiedad de vista se utiliza para el renderizado de la escena en la vista. Un valor de 32 significa que cada píxel será rastreado por 32 rayos.

Ruido

El ruido en la imagen afecta enormemente la calidad de la imagen porque 32 haces de luz por píxel no son suficientes para producir una imagen de alta calidad. (Para reducir el ruido a la mitad, se debe duplicar la cantidad de luces, por lo que el tiempo de renderizado también se duplicará, dependiendo de la configuración de la computadora, establezca el valor en al menos 1024 si desea un mejor efecto).

Propiedades de renderizado

Las propiedades de renderizado afectan enormemente la calidad del renderizado. Trate de ajustarlas al valor máximo que la vista pueda alcanzar y ajuste la vista a 32 para maximizar la calidad.

Longitud del camino óptico

Hace referencia al valor de la cantidad de rebotes para rastrear el camino de cada haz de luz. La diferencia entre 0 y el máximo será muy grande.

Propiedades de la cámara

  • Tamaño de la cámara: Necesita una proporción y tamaño adecuados, y la longitud focal debe ajustarse según el contenido de la imagen. El tamaño adecuado puede mostrar los detalles de la profundidad de campo.
  • Profundidad de campo: La elección de la lente afectará los detalles de la profundidad de campo. La profundidad de campo determina qué tan lejos se mostrará claramente el objeto.
  • Radio de la apertura: Determina qué tan lejos el objeto en el radio estará claro, y se volverá borroso.
  • Enfoque: El enfoque necesita ser ajustado. Establezca los objetos importantes en la imagen como el eje y ajuste el radio de apertura adecuado para mostrar el objeto correcto al espectador.

Si deseas mejorar la calidad de las imágenes, puedes probar algunas de las sugerencias anteriores. Mejorar la calidad de las imágenes no es algo que se logre solo leyendo un artículo. El aprendizaje continuo y la práctica constante son la mejor manera.

Cycles es, sin duda, un motor de renderizado joven. Blender también está mejorando constantemente algunas de las características de Cycles, y tiene mucho espacio para desarrollarse en el futuro. Como una granja de render acreditada por TPN, Fox Renderfarm admite la mayoría de los software 3D, motores de renderizado y complementos más populares, incluidos Blender, 3ds Max, Maya, Cinema 4D, Unreal Engine y más. Por lo tanto, si deseas utilizar un motor de renderizado distinto a Cycles, también puedes considerar Fox Renderfarm, que es sin duda una granja de render potente, rápida y segura. Puede ayudarte fácilmente a renderizar imágenes de alta calidad en Blender.

Fox Renderfarm espera que esto te haya sido de ayuda. Es bien sabido que Fox Renderfarm es un excelente proveedor de servicios de renderizado en la nube en el mundo del CG, así que si necesitas encontrar una granja de render, ¿por qué no probar Fox Renderfarm, que está ofreciendo un crédito gratuito de $25 para nuevos usuarios que se registren? ¡Gracias por leer!

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