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Maxwell Render 2.5 User Manual
Chapter 10. Maxwell Materials | 71
Clear / Saturated Cloudy / Desaturated
F.05 Effect of increasing Scattering Coef while maintaining Attenuation
Lighter / Desaturated Darker / Saturated
F.06 Effect of decreasing Attenuation while maintaining the Scattering Coef
• Nd: Nd is the index of refraction /reection. It is responsible for the Fresnel effect
on the surface of a material, and also controls the bending of rays when they pass
through a surface. It is essential that you use values between 1.0 and 2.5 to avoid
unrealistic results. Space or air begins at 1.01 (for vapor, smoke, etc.) and dielectrics
do not go higher than 2.5. The recommended range for common translucent materials
is between 1.2 and 1.7.
High Nd
Moderate Nd
Low Nd
• Roughness: Roughness denes the analytical perturbation on micro surfaces. Just
like in any other material, it primarily controls the diffusion of specularity, and it is also
responsible for the diffusion of rays on the surface before they go through the medium.
F.04 SubSurface Properties panel
• Transmittance: When a ray hits the surface, you need to allow it to enter the medium
so it can create subsurface scattering. Set a transmittance color, which denes the
color of the rays allowed to enter the medium. If the incoming light is white, the color
of the rays beneath the surface will be equal to the transmittance color.
• Attenuation: No transmittance color will create proper subsurface scattering without
a sufcient amount of attenuation. Attenuation denes the decay of light travelling
inside an object. The lower the value, the less transmissive and translucent the object
will be. It is important to understand that you can control the amount of light allowed
to enter an object using attenuation (together with transmittance color) and the
amount of cloudiness/ translucency using scattering color and the coefcient. See the
images below.
- USER MANUAL 1
- 1 INTRODUCTION 5
- 1.03 Complete features list 6
- 2.02 Environment 8
- 2.03 Interactive workflow 8
- 2.04 Cameras 8
- 2.05 Materials 8
- 2.06 Learning curve 9
- 3 USING MAXWELL RENDER 10
- (9.3 UB) 11
- 3.02 Studio 12
- 3.04 Command Line 14
- 3.05 Network rendering 14
- 3.06 The Demo version 14
- 3.08 Licensing Maxwell Render 15
- 4 GETTING STARTED 17
- 5 CAMERAS 18
- 5.02 Optics 19
- 5.03 Sensor 20
- 5.04 Diaphragm 20
- 5.05 Rotary Disk Shutter 20
- 5.06 Shift Lenses 21
- 6 LIGHTING WITH EMITTERS 22
- 6.01 Custom 23
- F.06 Presets 24
- F.01 IES 24
- 6.02 Temperature of Emission 25
- 6.03 HDR Image 25
- 7.01 None 26
- 7.02 Sky Dome 27
- 7.03 Physical Sky 27
- F.01 Localition settings 28
- F.01 Atmosphere settings 28
- F.01 IBL settings 31
- 8.01 General 32
- 8.02 Output 33
- 8.03 Materials 34
- 8.04 Globals 34
- 8.05 Channels 34
- 8.06 Tone Mapping 36
- 8.07 SimuLens 36
- 8.09 Render Export Options 37
- 9.01.01 Top Menus 40
- F.01 MXI Batch Processing 41
- 9.01.02 Main Toolbar 42
- 9.01.03 Main Window 42
- 9.02.01 Scene 43
- 9.02.02 Output 44
- 9.02.03 Materials 44
- 9.02.04 Globals 45
- 9.02.05 Channels 45
- 9.03.01 Camera 46
- 9.03.02 Tone Mapping: 46
- 9.03.03 MXI 47
- 9.03.04 SimuLens™ 47
- 9.04 The Multilight™ Tab 48
- 9.04.01 File Options 49
- 9.04.02 Edit Options 49
- 9.04.03 View 49
- 9.04.04 Animated Timeline 49
- 9.04.05 Playback Controls 49
- 9.07 The Script Tab 50
- 9.05 The Right-click Menu 50
- 9.06 The Console Tab 50
- 9.07.01 Autocomplete 51
- 10 MAXWELL MATERIALS 52
- F.01 F.02 53
- F.04 Nd=1.6 F.05 Nd=30 54
- F.01 The Material Editor 54
- F.01 Material components 55
- F.01 Material preview 55
- F.01 BSDF properties 55
- F.01 Surface properties 55
- F.01 Subsurface properties 56
- 10.02.07 The Color Picker 58
- 10.02.08 The Texture Picker 58
- ) are copied. Hold Shift 59
- 10.03.01 Material properties 60
- 10.03.02 Layer properties 60
- F.01 Layer Properties 61
- 10.04 The BSDF 62
- F.01 Nd=1.6 F.02 Nd=30 63
- F.03 Nd=1 F.04 Nd=40 64
- 10.04.02 Surface Properties 67
- F.01 Circular angle map 68
- Internal Reflection 69
- Asymmetry = 0.0 74
- 1.0 0.8 0.6 0.4 0.2 74
- -0.2 -0.4 -0.6 -0.8 -1.0 74
- 10.05 Coatings 77
- 10.06 Displacement 78
- Gain: 2.5 79
- Gain: 12 79
- Gain: 32 79
- 10.07 Special features 80
- 10.08.01 The Material Browser 82
- 10.08.02 The Wizards 82
- 10.08.05 Material examples 83
- 11 THE NETWORK SYSTEM 84
- 11.02 The Manager 85
- 11.03 The Render Nodes 85
- 11.04 The Monitor 86
- 11.04.02 The Jobs panel 87
- 11.04.03 The Nodes panel 87
- 11.04.04 The Console panel 87
- 11.04.05 The Display panel 87
- 11.05 Setting up a render 88
- 11.06 The Merging process 91
- 12 MAXWELL STUDIO 94
- 12.01 Interface 95
- 12.01.02 Toolbar 98
- F.02 Docking panels in tabs 99
- F.03 Loading saving layouts 99
- 12.01.04 Panel Types 100
- 12.02 The Interactive Preview 102
- 12.03.01 Objects List 103
- 12.03.02 Instances List 104
- 12.03.03 Objects Parameters 104
- 12.03.04 Working with Objects 106
- F.01 Groups 108
- 12.03.07 Merging Objects 109
- Film Back 110
- Focal Length (Lens size) 110
- Angle of view (Field of view) 110
- F.01 Camera list 111
- F.01 Real Camera presets 111
- 12.04.03 Focusing the camera 112
- 12.05.01 The Material Editor 114
- 12.05.02 The Materials List 115
- F.03 The Material Browser 116
- F.04 Search in MXM Gallery 116
- MXM Gallery Preferences 117
- 12.06 Render Options panel 118
- 12.07 Environment panel 118
- F.07 Color Picker 119
- F.08 Console panel 119
- F.09 History Panel 119
- 13 MISCELLANEOUS 121
- 13.03 SDK 123
- WORKFLOW 129
- Progressive rendering 130
- AND EXIT CODES 132
- 17.01 Introduction 137
- 17.02 References 138
- 17.02.02 File Manager 140
- 17.02.03 Multilight 141
- 17.02.04 MXI 143
- 17.02.05 Scene 145
- 17.02.06 Render Events 150
- 17.03 Examples 151
- 17.03.02 Multilight example 153
- 18 APPENDIX V. GLOSSARY 159
- 19 CREDITS 165
- Credits 166
- 167
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