Cisco CloudCenter: Get the Hybrid IT Advantage

Environment-Mapped Bump Mapping (EMBM)

Definition - What does Environment-Mapped Bump Mapping (EMBM) mean?

Environment-mapped bump mapping (EMBM) is an advanced bump mapping technique that is applied using a combination of different maps. It requires a texture map, bump map and an environment map. A bump is simulated by changing the lighting in areas of the surface on which the bump is located. The bump map contains a value for texel coordinates found on the texture map. The bump map and environment map are combined and the resulting shifted environment map is applied to the original texture.

Techopedia explains Environment-Mapped Bump Mapping (EMBM)

Environment-mapped bump mapping is a technique that will allow for a higher level of detail to be added than what is possible with texture-mapped polygons by themselves. EMBM makes environment mapping possible in multiple and even all directions.

EMBM has some advantages over regular bump mapping:

  • It accommodates multiple light sources in a single pass together with reflective environment mapping on the same bump. All of these become part of the environment that is being mapped on the bump.
  • Unlike the multipass alpha technique, EMBM is done per pixel rather than per polygon. The bump map does not change in every frame; it is nonrestrictive and therefore easier for developers to implement.
  • EMBM can be used for dynamic bumps like water effects or reflections moving with fluidity and realism even with a polygon count of only a few polygons.
Share this:

Connect with us

Email Newsletter

Join thousands of others with our weekly newsletter

The 4th Era of IT Infrastructure: Superconverged Systems
The 4th Era of IT Infrastructure: Superconverged Systems:
Learn the benefits and limitations of the 3 generations of IT infrastructure – siloed, converged and hyperconverged – and discover how the 4th...
Approaches and Benefits of Network Virtualization
Approaches and Benefits of Network Virtualization:
Businesses today aspire to achieve a software-defined datacenter (SDDC) to enhance business agility and reduce operational complexity. However, the...
Free E-Book: Public Cloud Guide
Free E-Book: Public Cloud Guide:
This white paper is for leaders of Operations, Engineering, or Infrastructure teams who are creating or executing an IT roadmap.
Free Tool: Virtual Health Monitor
Free Tool: Virtual Health Monitor:
Virtual Health Monitor is a free virtualization monitoring and reporting tool for VMware, Hyper-V, RHEV, and XenServer environments.
Free 30 Day Trial – Turbonomic
Free 30 Day Trial – Turbonomic:
Turbonomic delivers an autonomic platform where virtual and cloud environments self-manage in real-time to assure application performance.