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This article is a 3d rendering tutorial about Christmas scene shared by 3d artist Drown. The article is organized by Fox Renderfarm, the leading cloud render farm in the CG industry. Because there are so many items in the scene, this tutorial will focus on the lighting of the scene and the skills to create a Christmas atmosphere, and the adjustment of the material will be briefly described.Use KeyShot 9 to open the placed Christmas scene, add a camera and adjust the appropriate angle and save. The next work is to give the main body a crystal ball of glass material, and change it to the product mode in the lighting mode, so that light can pass through the glass ball to illuminate the internal details.The tablecloth in the scene and the curtains in the background were selected from red velvet material. The official velvet material of KeyShot 9 was selected to bring out the atmosphere of the Christmas scene.Next, we need to find a suitable HDR map. Because it is a Christmas scene, we need an indoor HDR map with many small bright light sources to simulate the scene atmosphere of the decorative chandelier on Christmas eve. After using the HDR map, rotate it to an appropriate angle to adjust the brightness, contrast, hue, saturation, etc. of the picture to make the scene warm and cold.Enter the image panel, change the image style to photography, adjust the exposure, contrast, etc., to further enhance the warm and cold, light and dark contrast of the scene.Next, open the HDR canvas and manually add a small warm light source to cover the cold-light incandescent light on the original image to further strengthen the Christmas Eve atmosphere. Pay attention to keep the cold light in the scene properly to avoid the scene being too warm. At the same time, the brightness of the small warm light source should be adjusted appropriately and the blending mode changed to ALPHA to ensure that the cold-light incandescent lamp can cover the original image.In order to highlight the crystal ball of the subject, add a sphere to the scene and set the material as a spotlight. After adjusting the position, illuminate the crystal ball.Further fine-tuning various lighting parameters, the atmosphere of the picture is already in place at this time, but now the picture is a little too warm and lacks a bit of realism.Add a cool rectangular light on the right side of the screen to reconcile the warm atmosphere of the screen, so that the screen effect will not be too false. Here we must pay attention to changing the blending mode of rectangular light to blending to avoid the glass ball reflecting pure white rectangular light directly and causing the realism of the picture to be lost.After the atmosphere of the screen comes out, you can start adjusting the texture. Start with the snow in the crystal ball. Use the noise texture node to add bumps to the snow and snow colors on the surface. If the screen freezes, you can hide other items in the scene, including the spotlight.Next, use the matching map to adjust the material of the lounger inside the crystal ball. Anything can be placed here, not necessarily the chair, as long as it is a suitable material and color. It is recommended to use a brighter color scheme to match the atmosphere of the scene.Next adjust the texture of the Christmas tree.After lighting the bulb material on the Christmas tree, observe the current effect. Note that the glass of the crystal ball must be given a transparent glass material, otherwise the light will not find the scene inside the crystal ball and let the light penetrate into the interior scene.Use the matching wood texture map to simply adjust the wood texture base material, and adjust it according to your favorite, such as using a black plastic base.Then open the texture of the glass ball, add the fingerprint texture that is official with KeyShot 9, and after adjusting the position size, turn off the texture repeat, and add the diffuse reflection texture as the fingerprint texture. After that, the fingerprint texture is connected to the label, and the texture is used as the color of the texture. Here, the brightness must be adjusted, and it should be reduced as much as possible to make the fingerprint faintly visible.Use scratched maps, adjust the contrast with color, and control the transparency effect on the glass. Repeat this step to make scratches and bumps on the glass. The effect of the scratches is a little bit, otherwise the glass will look fake.Next use to adjust the texture on the crystal ball name tag.Then use PS to edit a piece of text, pay attention to use a black background, pure white fonts, and use horizontal composition. After saving the black and white picture, use the 3D--Generate Normal Map option in the PS filter to generate a bump texture.Drag the texture to the texture of the brand, create a new texture as the material of the lettering, and adjust the color according to your preference. After adjusting the texture, the black and white image is used as the opacity, and the normal texture is used as the bump. Pay attention to the normal To complete the adjustment of the brand-name texture.Simply adjust the material of the board, and the color matching needs to be darker to avoid the board being too conspicuous. Then use the fuzzy nodes in the geometry to make fluff on the tablecloth. The surface material of the nodes can directly use the original red velvet material.In order to prevent fluff from passing through the model, you can simply render a top view, and then draw a black and white texture according to the position of the item in PS. Use a Gaussian blur filter to blur out the edges of the black and white texture. Then use the texture map as the length texture of the fur node. The length of the fluff where the texture is black is 0. After the geometry node is re-executed, the fluff will not pass through the model.The curtain can use the color gradient node. Change the gradient type to the viewing direction to enhance the volume of the curtain fabric. The background wall is not easy to be too dark or too bright, otherwise the background is too eye-catching and will destroy the atmosphere of the scene.The use of glass as the texture of the candle's wrapping paper can reduce the refractive index to make the texture of transparent plastic wrapping paper. Later, the translucent material is used to adjust the candles, and the color matching can be free.To color various gift boxes, it is recommended to color each gift box, and cool colors are recommended to use blue to correspond to the cold light atmosphere in the scene.Next, you need to adjust the surface effect of the gift box to make the bumpy texture on the gift box. The effect does not need to be too complicated, it can be simpler.Next, add a sphere to the inside of the crystal ball to make a snow effect inside the crystal ball. Finally, fine-tune the composition, lighting, and then render the image.ConclusionNow you know how to render a Christmas scene in KeyShot 9, don't you? 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The best cloud rendering services provider and render farm, Fox Renderfarm will share with you a tutorial about how to use KeyShot to render realistic ice.Tip: To create the ice art shown in the figure, in addition to using KeyShot, we should also know how to create 3D models, using SolidWorks and Photoshop.ModelingUse SolidWorks to create a model. Since we are focusing on KeyShot realistic rendering today, the modelling process will not be discussed in detail.Import into KeyShotOpen the KeyShot and import the model into the KeyShot by dragging and dropping or by using the 'import' button. We'll see the entire model in white, and open the projects window at the bottom of the interface, where Boaz has changed his name to' glass 'and' ice 'to know what parts he's working on, then select all ice parts, right-click to select the' Unlinked 'related material.MaterialChange the material Of the glass to Solid Glass, and other selections remain the same.Adjust Material SettingsNext, select an ice cube, assign it a liquid material, set the refractive index to 3, the external refractive index to 1.5, the transparency to 8, and the color to red: 220 green: 230 blue: 255.TexturingThe ice will now become clear, but there is still something missing. Looking at frozen ice, we’ll see that it's not completely transparent because when water freezes, bubbles and particles in the water seep into the frozen ice. To achieve this effect, we have to set up bump maps and opacity maps, and we need to create textures in Photoshop. Open Photoshop and create a new blank document that is 5000X5000 in size and has a white background.Then, create a new blank layer and place it under the background layer. Right-click the background layer, then select 'background layer mask', and click the Add Layer Mask button to set a mask on the White layer. The mask is used because the mask can be modified or replaced all the time without affecting the image layer itself. Next, choose a large multi-Thorn Brush, paint the mask black, and reserve a "frame" at the four corners of the page. Don't worry about the mask being completely black. We finally get a white frame without a background, similar to broken ice.Save the created file in PNG format, and the texture is done.Apply TextureIn KeyShot, go back to the material tab in the Project window, click the "texture" tab, select the newly created texture file, set the "bump" and "opaque" textures, and check the "sync" so that if we want to change some attributes, the bump texture will be linked to the opaque texture; the new ice material is complete, and we can save the material to the material library.Copy and Paste MaterialsReturn to the 'scene' tab and copy and paste the ice material into the remaining assembly.Adjust Advanced SettingsThe ice looks much better, but it's still not very transparent, because KeyShot renders lighting through materials, so we need to go to the settings options, expand the advanced section, and increase the default number of light reflections from 6 to 12. Don't just increase the number, because some rendering passes take a lot of time. Next, turn on global illumination and, if you like, add a nice dark "illustration" to the scene.Application EnvironmentThis step requires setting up the lighting environment, opening the library, setting up a beautiful contrast environment, and selecting ' 3 points lighting high 2k'.Adjust Environment and CameraReturn to the items menu, go to the environment option, and modify the settings according to your personal preferences. Instead of lighting environment, we can configure a color at the back of the model to a cool grey (red: 3. Green: 3, blue: 4), and "ground reflection" can also be checked.Next, you need to adjust the camera. Go to the "camera" menu, click "+" to create a new camera, name it, and then click "enter edit mode" to set the parameters, including depth of field, according to your own preferences to create a close-up feel. By adjusting the aperture value, we can make objects that are not in focus more blurred but remember not to make them too blurred, just make them look real. When finished, tap exit edit mode and then lock the camera.Set Realistic Rendering QualityNext, go to the rendering menu. First, jump to the quality tab, set the quality parameters as needed, turn on sample values to get a higher quality realistic rendering, and increase the depth of field value because we're using depth of field in this scene, and finally, set the 'Ray reflections' to 12.Realistic RenderingReturn to the output menu, set the image size, the higher the pixels are, the better for printing, and you can get pixels equivalent to centimetres per foot by opening a new document in Photoshop and changing the size setting method. You can also choose to save in TIF format to get an image without a background. Finally, click render and wait patiently. The realistic rendering process may be a little long.Final Render RealisticThe final effect has come out and it took nearly 10 hours of high-quality realistic rendering. It took so long because of the complexity of the layered transparency, or it could be because the sample values were set higher. In general, Render Time is also affected by the opacity, depth of field, and other visual effects of the assembly.Fox Renderfarm hopes this KeyShot tutorial can be of some help to you to render realistic.It is well known that Fox Renderfarm is an excellent cloud rendering services provider in the CG world, so if you need to find a render farm, why not try Fox Renderfarm, which is offering a free $25 trial for new users? Thanks for reading!

Fox Renderfarm, as the best render farm and cloud rendering services provider in the CG industry, we will often share some production skills and some of the industry's latest and hottest information, hoping to be helpful to your 3D learning. This time we will share how to render the water surface in KeyShot. I hope you like it.Many people think that in the CG production steps, rendering water is a relatively big production challenge. In KeyShot, you can easily and quickly create a real and beautiful 3D rendered water surface. Especially the water texture of KeyShot can help us save a lot of working time, and its liquid map is also very simple.First, create a bump map of the water in After Effects.Start After Effects, create a Composition with an aspect ratio of 2048 x 2048, and name it Noise.Create a solid with the same aspect ratio.Apply the layered noise from the Effect menu to the created solid.Under the Effect Controls tab, change the layering type to ‘Dynamic Twist’, the Noise type to ‘Spline’, check ‘Invert’, adjust the contrast to 55, brightness to -7, and complexity to 12.Click Composition> Save Frame AsChoose a location to save the file, and then click ‘Render’.Tile and blur the displacement maps in Photoshop.Open the Noise file in Photoshop.Under the Filter menu, apply the Offset effect.Set the horizontal pixels to +973 and the vertical pixels to +690.Use the clone tool to clone all the seams you see.Select the layer, apply the Gaussian blur filter, and set the radius to 5.Save the file as a jpeg image format.Create the scene in Maya.Open Maya, create a plane, name it "water", and set the subdivision width and height to 20.Duplicate the plane, rename it to reflection, and move it below the "horizontal" plane.Create a camera>place the camera on the edge of the "water", facing the horizontal line.Change the window from perspective to camera 1, select all geometric figures and zoom in to fill the gap between the two sides.Create a poly sphere and place it on the water.Select the camera, navigate to the attribute editor, and modify the film aspect ratio to 1.78.Before exiting Maya, you need to make sure that every object in the scene has a different material. Create three different ‘lamberts’(luminance units) under the material editor, and assign one to each object.Export the scene in FBX format.Render the model in KeyShotOpen KeyShot and import the FBX file.Using the material editor, drag and drop the water material in the liquid group on the top of the plane.Next, drag and drop the Brick material from the architecture group onto the bottom plane.Click the right bottom plane to open the Brick material option and uncheck the ‘fresnel’ option.Assign a chrome alloy material to the sphere to reduce the brightness of the diffuse color.Under the Project> Camera tab, change the field of view to 1.Use the Environment tab to load HDRI, you can use the "hdri-locations_iceland_4k_hdz" that comes with KeyShot.Under the environment option, adjust the height to -0.400, the size to 8.5850, and the rotation to 21.180.Load the bump map created before, and modify the Scale U and V to 0.180.Under the camera options, turn on the depth of field and use the "select focus point" function to define the focal length of the sphere.Now, click ‘Render’ to see the final effect!Fox Renderfarm hopes it will be of some help to you. Fox Renderfarm is a very powerful cloud rendering farm in the CG world, so if you need to find a render farm, why not try Fox Renderfarm, which is offering a free $25 trial for new users? Thanks for reading!