{"id":19015,"date":"2021-10-11T00:24:05","date_gmt":"2021-10-11T00:24:05","guid":{"rendered":"https:\/\/www.thepicpedia.com\/2021\/10\/11\/how-to-make-a-normal-map-in-photoshop\/"},"modified":"2021-10-11T00:24:05","modified_gmt":"2021-10-11T00:24:05","slug":"how-to-make-a-normal-map-in-photoshop","status":"publish","type":"post","link":"https:\/\/www.thepicpedia.com\/photoshop\/how-to-make-a-normal-map-in-photoshop\/","title":{"rendered":"How to make a normal map in photoshop"},"content":{"rendered":"<ol>\n<li>Open texture in Photoshop as you would normally any image. <strong>Make<\/strong> sure the image mode is set to RGB.  <\/li>\n<li>Choose Filter \u2192 3D \u2192 Generate Normal <strong>Map<\/strong>\u2026<\/li>\n<li>Adjust your map as necessary (I left my to default). Click OK.<\/li>\n<li>Save your file as PNG (not sure if it really matters). You&#8217;re done!<\/li>\n<\/ol>\n<\/p>\n<p>Also the question is, how do you <strong>make<\/strong> a seamless <strong>normal<\/strong> <strong>map<\/strong>? <\/p>\n<ol>\n<li> We start off with a random free to use brick texture off the net.<\/li>\n<li> Load the texture in to the texture tool and crop our texture.<\/li>\n<li> Turn the texture in to a seamless texture.<\/li>\n<li> Save our seamless texture.<\/li>\n<li> create grey scale and update (we will use Blue channel).<\/li>\n<\/ol>\n<p>Additionally, how are <strong>normal<\/strong> maps generated? Some <strong>normal<\/strong> maps are generated using a filter which looks at a 2d image, and guesses the vector value based on the illumination values. This is sometimes used for pulling a \u201ccheap\u201d normal map from photographic sources. But for high end AAA titles, we use a different process.<\/p>\n<p>Correspondingly, how do you make a 2d normal map? <iframe style=\"margin-top:25px;width:100%;height:420px;\" width=\"auto\" height=\"auto\" src=\"https:\/\/www.youtube.com\/embed\/kpt7Ft5y8v4\"><\/iframe><\/p>\n<p>Beside above, how do you make a Metalness <strong>map<\/strong> in <strong>Photoshop<\/strong>? <iframe style=\"margin-top:25px;width:100%;height:420px;\" width=\"auto\" height=\"auto\" src=\"https:\/\/www.youtube.com\/embed\/xDuBOUsdGAg\"><\/iframe>As we already know, a bump map uses grayscale values to provide either up or down information. A normal map uses RGB information that corresponds directly with the X, Y and Z axis in 3D space.<\/p>\n<h2>What color is normal map?<\/h2>\n<\/p>\n<p>One of the most valuable maps for a 3D artist is the normal map. Rather than having a color range of black to white, like a bump map uses, normal maps consist of red, green, and blue. These RGB values translates to x, y, and z coordinates, allowing a 2D image to represent depth.<\/p>\n<\/p>\n<h2>What is a normal in graphics?<\/h2>\n<\/p>\n<p>A normal is the technical term used in Computer Graphics (and Geometry) to describe the orientation of a surface of a geometric object at a point on that surface. &#8230; Technically, the surface normal to a surface at point P, can be seen as the vector perpendicular to a plane tangent to the surface at P.<\/p>\n<\/p>\n<h2>What is a normal map blender?<\/h2>\n<\/p>\n<p>Normal maps. These are images that store a direction, the direction of normals directly in the RGB values of an image. They are much more accurate, as rather than only simulating the pixel being away from the face along a line, they can simulate that pixel being moved at any direction, in an arbitrary way.<\/p>\n<\/p>\n<h2>How do you make a 2d sprite normal map?<\/h2>\n<\/p>\n<ol>\n<li>By using a software called Sprite Lamp.<\/li>\n<li>By painting a greyscale heightmap of the sprite (Unity then can auto-generate the normal map from it)<\/li>\n<li>By painting the normal map manually (for pixel art it is actually feasible, just use a normal sphere as reference.<\/li>\n<\/ol>\n<\/p>\n<h2>How do 2d normal maps work?<\/h2>\n<\/p>\n<p>Normal maps allow you to add volume and details to any sprite or 3D object&#8217;s surface. A normal map&#8217;s pixels encode the direction the surface is facing, allowing the engine to fake volume when interacting with lights.<\/p>\n<\/p>\n<h2>What do normal maps do?<\/h2>\n<\/p>\n<p>Normal maps are a type of Bump Map. They are a special kind of texture that allow you to add surface detail such as bumps, grooves, and scratches to a model which catch the light as if they are represented by real geometry.<\/p>\n<\/p>\n<h2>What is roughness map?<\/h2>\n<\/p>\n<p>Figure 31: The roughness map describes the surface irregularities that cause light diffusion. In this map, black (0.0) represents a smooth surface and white (1.0) represents a rough surface. The roughness map is the most creative map as it allows the artist to visually define the character of a surface.<\/p>\n<\/p>\n<h2>What are textures in Photoshop?<\/h2>\n<\/p>\n<p>What is a texture? In digital photography terms it&#8217;s simply another layer added to your photograph in an editing program, usually an image of some sort of textural surface, such as paper, wood, concrete, etc., but anything at all can be a texture. They can be photographed, scanned or even made in Photoshop.<\/p>\n<\/p>\n<h2>What are albedo maps?<\/h2>\n<\/p>\n<p>Albedo is the base color input, commonly known as a diffuse map. An albedo map defines the color of diffused light. One of the biggest differences between an albedo map in a PBR system and a traditional diffuse map is the lack of directional light or ambient occlusion.<\/p>\n<\/p>\n<h2>Why are normal maps purple?<\/h2>\n<\/p>\n<p>A normal map is an RGB texture, where each pixel represents the difference in direction the surface should appear to be facing, relative to its un-modified surface normal. These textures tend to have a bluey-purple tinge, because of the way the vector is stored in the RGB values.<\/p>\n<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Open texture in Photoshop as you would normally any image. Make sure the image mode is set to RGB. Choose Filter \u2192 3D \u2192 Generate Normal Map\u2026 Adjust your map as necessary (I left my to default). Click OK. Save your file as PNG (not sure if it really matters). You&#8217;re done! Also the question &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/posts\/19015"}],"collection":[{"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/comments?post=19015"}],"version-history":[{"count":0,"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/posts\/19015\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/media?parent=19015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/categories?post=19015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thepicpedia.com\/wp-json\/wp\/v2\/tags?post=19015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}