Use elements in the background with a known size and compare them to the size of the model. Perspective of model doesn’t fit with the horizon line.įinally, the scale of the model must agree with its surrounding. Perspective of model fits with the horizon line. Here’s a link to a more detailed tutorial. The point where the lines intersect is where the horizon should be. To do this, pick two parallel lines in the model and draw a guideline over them, extending the line towards the vanishing point. When positioning the background image, it is very important to vertically match the vanishing point of the model with the horizon line of the photo. This is especially important when you’re trying to find a photo that the model will site on top of. Try to match the field of view of the model with that of the photo. Most 3D modeling programs have cameras or views with an adjustable field of view (angle of the visible view). When searching for a suitable background image, perspective and scale is the critical element that will make the image work with the render. Google Earth background that the model sits on top of. Google Earth background with separate sky that sits behind the model Using an existing photo or one of your own photos from a site is the most common method, but when you can’t find a suitable photo from the right perspective, it is possible to use Google Earth to obtain an image from an angle that would otherwise be impossible in the real world. Some rendering programs allow you to save the image without a background – this makes this part of the process easier. Before placing a background into your render, make sure that you have some transparent areas in your image so the background will show through.
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