How to improve the realism of architectural rendering?

To improve the realism of architectural rendering, you can start from the following aspects:
Accurate modeling
Accurate restoration of the building structure: The various parts of the building, including walls, doors and Windows, roofs, stairs, etc., are accurately modeled according to the actual size and scale to ensure that the basic form and structure of the building are accurate.
Detail treatment: Add the detail elements of the building, such as decorative lines, architectural textures, drainage pipes, air conditioners, etc. These details can make the building more realistic and let the audience feel the real existence of the building.
Reasonable material and texture
Material selection: According to the actual use and style of the building, choose the right material. For example, stone texture material is used to show the facade of the building, glass material is used to show the permeability of the window, and wood material is used to show the indoor furniture and decoration. The properties of each material, such as reflectivity, refractive index, roughness, etc., are adjusted for real-world conditions.

Texture mapping: Add appropriate texture maps to the material, such as the texture of the brick wall, the texture of the wood floor, the rust of the metal, etc. The resolution of the texture should be high enough to avoid blurring or distortion when viewed up close. At the same time, pay attention to the direction and repetition of the texture to make it conform to the law of nature.
Precise lighting Settings
Natural Light simulation: Simulates real world natural light, including sunlight and sky light. Depending on the geographic location, time of day and season of the building, set the Angle, intensity and color of the sun, as well as the color and brightness of the sky light. The sunlight in the morning and evening is warm in color and low in intensity; Midday sunlight is cooler in color and more intense.
Artificial lighting arrangement: reasonable arrangement of indoor and outdoor artificial light sources, such as street lamps, indoor chandeliers, wall lamps, desk lamps, etc. Different types of lamps have different luminous characteristics, and the intensity, color, irradiation range and attenuation mode of the light source should be set according to the actual situation to create a comfortable and true lighting atmosphere.
Real environment Settings
Add surrounding environment: Add surrounding environmental elements to the building, such as roads, trees, flowers, vehicles, pedestrians, etc. These elements not only enrich the content of the picture, but also provide a sense of proportion and scale for the building, making it better integrated into its surroundings.
Simulation of weather effects: according to the need to simulate different weather conditions, such as sunny, cloudy, rainy, snowy, etc. Different weather conditions can have a significant impact on the lighting, color and atmosphere of a building. For example, in rainy days, the ground will be reflected by water, and the building surface will have traces of rainwater flowing; On a snowy day, the building will be covered with snow and the overall tone will be cold.
Post-processing optimization
Color correction: After the rendering is completed, the image is color corrected, and the image brightness, contrast, color saturation and color temperature are adjusted to make the color of the picture more real and natural. You can refer to photos or videos of real scenes for more accurate color adjustment references.
Add special effects: Add some special effects through post-processing software, such as depth of field effect, so that the main body of the picture is clear, the background is blurred, and the sense of layer and three-dimensional sense of the picture is enhanced; Add dark Angle effect to simulate the effect of real camera shooting, so that the audience's attention is focused on the center of the picture; You can also add some graininess to make the image more realistic.

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