标题: Intro To Specular Maps [打印本页] 作者: Asen 时间: 2011-9-29 09:01 标题: Intro To Specular Maps
Summary
Specular Maps are a very effective and efficient way of adding specularity highlights to your objects. Using appropriate Specular Maps can make your 3D objects appear very realistic.
Category
Tutorials
Author
jg
Difficulty
Beginner
Time to Complete
5 minutes
Downloads
Click Here to download the associated files.
The Vase.3ds Model can be downloaded with the link above. All maps used in this tutorial are included with Studio 3.0 and are available through the Storage Palette.
Step 1: Import a sample 3D object
First we will need to import a sample 3d object. We will be using a simple vase to demonstrate the use of specular maps.
1. After downloading the Vase.3ds model, import it into studio and place it into the scene.
Use the rotate tool to spin the vase slightly and notice how its material is very dull and has no shine to it.
2. Before we import the Specular Map we should expose the material of the vase by openning it up in the object outline.
Step 2: Import a sample Specular Map
Studio 3.0 ships with several sample specular maps that range from very shiney to very dull in appearance. These specular maps are located in the Samples/Maps directory.
1. Go to the Storage Palette and make sure the Samples directory is selected. Open the Maps/Specular Maps/Shiney Specular Maps subdirectory and drag the Specular_Shiney_01.jpg image out onto the Vase's material.
The vase will appear black at first, but don't panic, there are still a few settings we need to adjust on the image before it becomes a specular map.
2. While the Specular_Shiney_01 image is selected in the outline, go to the Inspector Pallete and change the property Texture Mapping to Environmental mapping.
3. In the Inspector, change the property Texture Type to be Specular Map.
You can now notice that the Specular_Shiney_01 map will render like a reflection. The Specular map will also blend with the material's diffuse color.
Step 3: Import a sample Map for the Specular Map to Blend with
You have now created a Specular Map. Let's import another map to see how the Specular Map will blend with other maps.
1. Go to the Sorage Palette and locate the sample image: Samples/Maps/Texture Maps/Rock/BluePorcelain.jpg
2. Drag the BluePorcelain.jpg onto the Vase's Material.
3. While the BluePorcelain.jpg is selected, change the U Tiling property to 2 in the Inspector Palette.
4. Change the V Tiling property to 2.
You can now see how the specular map will blend with any diffuse image that is attached to the objects' material.
Step 4: Using "Refresh File" to quickly change your Specular Maps.
If your Specular Maps appear too shiney or dull for your presentation, using the Refresh File feature is a quick and easy way to change your maps.
1. In the Library Palette, right click on the Specular_Shiney_01 image and select Refresh File.
You can now browse for any image map you wish to replace the original Specular_Shiney_01 map with.
2. Choose the map: Samples/Maps/Specular Maps/Dull Specular Maps/Specular_Dull_02.jpg
We have now quickly replaced the shiney specular map with a dull specular map. 作者: 奇 时间: 2012-1-20 23:21
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很经典，很实用，学习了! 作者: C.R.CAN 时间: 2012-9-1 01:07
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