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Perspective projection involves projecting objects onto a plane from a single center of projection point. Objects appear smaller the further they are from this point, and parallel lines converge at vanishing points on the horizon. There are different types of perspective projection defined by the number of vanishing points, including one-point, two-point, and three-point perspective. Vanishing points are found where object edges parallel to the projection plane converge.
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In parallel projection, coordinate positions are
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transformed to the view plane along lines that
converge to a point called projection reference point
(center of projection)
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We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
Harnessing WebAssembly for Real-time Stateless Streaming Pipelines
Traditionally, dealing with real-time data pipelines has involved significant overhead, even for straightforward tasks like data transformation or masking. However, in this talk, we’ll venture into the dynamic realm of WebAssembly (WASM) and discover how it can revolutionize the creation of stateless streaming pipelines within a Kafka (Redpanda) broker. These pipelines are adept at managing low-latency, high-data-volume scenarios.
A SYSTEMATIC RISK ASSESSMENT APPROACH FOR SECURING THE SMART IRRIGATION SYSTEMS
The smart irrigation system represents an innovative approach to optimize water usage in agricultural and landscaping practices. The integration of cutting-edge technologies, including sensors, actuators, and data analysis, empowers this system to provide accurate monitoring and control of irrigation processes by leveraging real-time environmental conditions. The main objective of a smart irrigation system is to optimize water efficiency, minimize expenses, and foster the adoption of sustainable water management methods. This paper conducts a systematic risk assessment by exploring the key components/assets and their functionalities in the smart irrigation system. The crucial role of sensors in gathering data on soil moisture, weather patterns, and plant well-being is emphasized in this system. These sensors enable intelligent decision-making in irrigation scheduling and water distribution, leading to enhanced water efficiency and sustainable water management practices. Actuators enable automated control of irrigation devices, ensuring precise and targeted water delivery to plants. Additionally, the paper addresses the potential threat and vulnerabilities associated with smart irrigation systems. It discusses limitations of the system, such as power constraints and computational capabilities, and calculates the potential security risks. The paper suggests possible risk treatment methods for effective secure system operation. In conclusion, the paper emphasizes the significant benefits of implementing smart irrigation systems, including improved water conservation, increased crop yield, and reduced environmental impact. Additionally, based on the security analysis conducted, the paper recommends the implementation of countermeasures and security approaches to address vulnerabilities and ensure the integrity and reliability of the system. By incorporating these measures, smart irrigation technology can revolutionize water management practices in agriculture, promoting sustainability, resource efficiency, and safeguarding against potential security threats.
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Eg3
- 3. Perspective Projection Characteristics Center of Projection (CP) is a finite distance from object Projectors are rays (i.e., non-parallel) Vanishing points Objects appear smaller as distance from CP (eye of observer) increases Difficult to determine exact size and shape of object Most realistic, difficult to execute
- 4. Perspective Sketch Horizon – observer’s eye level Ground Line – plane on which object rests Vanishing point – position on horizon where depth projectors converge Projection plane – plane upon which object is projected
- 5. Classes of Perspective Projection One-Point Perspective Two-Point Perspective Three-Point Perspective View from Above
- 6. Vanishing Points Object edges parallel to projection plane remain parallel in a perspective projection Object edges not parallel to projection plane converge to a single point in a perspective projection vanishing point (vp) Vanishing point of a principal axis principal vanishing point (pvp)
- 7. One-Point Perspective One principal axis cuts projection plane one principal vanishing point Projection plane parallel to one principal plane object image
- 8. Two-Point Perspective Two principal axes cut projection plane two principal vanishing points Projection plane parallel to one principal axis object image
- 9. Three-Point Perspective Three principal axes cut projection plane three principal vanishing points
- 10. Lateral Movement of CP
- 11. Varying Distance from CP
- 12. Projection Plane Location • Size of projected image depends upon location of projection plane with respect to object
- 13. Vanishing Points Revisited A vanishing point is found by passing a line through the center of projection, parallel to a set of parallel object edges. The point where the line pierces the projection plane is the vanishing point. object image
Editor's Notes
- Not used so much for engineering documentation Important in Computer Graphics