In a previous post, I used Vali Architects' amazing Instant Terrain plugin to simplify my complex terrain model into more manageable triangles. I then used Vali Architects' Instant Road plugin to add perfectly graded roads to my terrain mesh. Next, I used the Artisan Sculpt Brush to match the terrain mesh to the underlying Google Earth terrain. Using Instant Terrain to simplify my mesh allowed me to quickly and easily modify my terrain model without it taking hours; the downside is when I added the road, the triangular face became somewhat jagged in areas. I am now going to use another tool in the Artisan plugin set, the Subdivide and Smooth tool, to smooth out the jagged areas. The Subdivide and Smooth plugin works by doing exactly what it says, subdividing faces into smaller segments, and smoothing the faces in the process.
To begin, let's take a look at the current state of my model:
These jagged edges need to go. I start by selecting the jagged faces (I can select only the jagged areas, and not the surrounding mesh, by clicking and dragging the selection from the top left left side of the screen, until all the jagged areas are completely inside the selection). With the jagged faces selected, I go to my Artisan toolbar, and select Subdivide and Smooth. Now, my model looks like this:
Next, I need to enter the number of subdivisions I would like. I type 3, then hit Enter. After a few seconds, my subdivided mesh is displayed:
The last step is to once again hit Enter, which finalizes the subdivision process. My model now looks like this:
Although the new, improved mesh is white, I simply need to paint it with the Paint Bucket to change the color.
Moving on to another problem area, I repeat the selection, subdivision, and painting process:
The entire process takes under 5 minutes. Once I have addressed all the problem areas on the model, the result is a huge improvement in terms of the organic, natural quality of the terrain. Here is the completed model: