Klaus Engel

Based on course notes of SIGGRAPH course teaching techniques for real-time rendering of volumetric data and effects; covers both applications in scientific visualization and real-time rendering. Starts with the basics (texture-based ray casting) and then improves and expands the algorithms incrementally. Book includes source code, algorithms, diagrams, and rendered graphics.

Based on course notes of SIGGRAPH course teaching techniques for real-time rendering of volumetric data and effects; covers both applications in scientific visualization and real-time rendering. Starts with the basics (texture-based ray casting) and then improves and expands the algorithms incrementally. Book includes source code, algorithms, diagrams, and rendered graphics.

Meditation Volume 2 forms a link to the accounts of experience detailed in Volume 1 and operationalizes them for empirical research. The first two chapters summarize the vast number of empirical studies - several hundred - and divides them into physiological and mental correlatives. The studies relate to in-patients, the workplace, normal test persons, higher states of consciousness, negative results, side-effects and prognostic factors of meditation. The third chapter treats of theoretical models, followed by a section on measuring instruments. The appendix introduces a research project.

Meditation can be viewed as a path along which spiritual change and perfection can be achieved. The historical review gives an account of the development of meditation both in the Orient - India, Tibet, China und Japan - and in the Western World - Christianity, Judaism and Islam. The development of meditation in modern times is illustrated in the biographies of prominent representatives from both the Eastern and the Western World. The section of the book that deals with the systematics of meditation describes the practical procedures of individual meditative paths. Volume I provides the historical background for Volume II, a treatise on Empirical Research and Theory. This is an expanded edition of Klaus Engel's Meditation (published in German in 1995), translated into English by A. H. Davies.