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In this tutorial you will add a quick wet grass type effect to your rendered SketchUp scene.
Creating realistic grass in SketchUp is difficult to achieve but using an image editor like PhotoShop makes the process much quicker and easier.
Here we will use simple cloning and erasing to transform your scene.
Adding grass to your render
Render out an image with a reflection on the grass surface.
Locate an image for the wet grass you want to use. Try and find one that has the same colour reflection as the sky in the render so it blends with the image easier.
Distorting and Transforming grass
Copy and paste the grass layer over the original rendered grass. Distort the image, using Edit > Distort, so it matches the render perspective.
Using a Soft Eraser ,remove the grass that overflows onto the road (Material ID can be of great use here)and use the Clone tool if required to smooth out any transitions.
Tweaking your final result with Curves
Edit the Curves of the new grass layer with Image > Adjustment > Curves. This step is optional but can really make your final result merge with the image naturally.
The final result is very convincing and under 5 minutes to achieve.
Here's another example using the same technique to transform the scene.
