Saeed,

Perhaps you don't have a light source in your scene?

- John Wright
Starfire Research

Saeed Ansari wrote:
Hi,
I have used material, but it doesn't work and all of shapes are dark.
Below is my code :

    Appearance appearance=new Appearance();
    appearance.setColoringAttributes (new ColoringAttributes (new Color3f(2.0f, 
1.0f, 3.5f),1));
    appearance.setPolygonAttributes(polyAtt);
    Material mat=new Material();
    mat.setAmbientColor(new Color3f(0.0f,0.0f,1.0f));
    mat.setDiffuseColor(new Color3f(0.7f,0.7f,0.7f));
    mat.setSpecularColor(new Color3f(0.7f,0.7f,0.7f));
    appearance.setMaterial(mat);
    shape.setAppearance(appearance);

Is something forgotten to add ?

Regards,
Saeed

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