Green rating Project 🍏

The concept of a Green Rating Project in environmental geography relates to assessing and evaluating the environmental performance of various entities, such as buildings, infrastructure projects, or industries. It involves assigning a green rating or score based on their sustainability practices and their impact on the environment.

The Green Rating Project aims to encourage and promote environmentally responsible practices and policies by providing a standardized framework for assessment. It typically considers factors such as energy efficiency, water conservation, waste management, use of renewable resources, and overall environmental impact.

The process of a Green Rating Project involves gathering data and information about the entity being assessed. This can include details about the design, construction, operation, and maintenance practices. The information is then evaluated against predefined criteria or benchmarks to determine its environmental performance.

The criteria for evaluation may vary depending on the specific project or industry being assessed. For example, a Green Rating Project for a building might consider factors like energy consumption, use of sustainable materials, indoor air quality, and waste management. On the other hand, a Green Rating Project for an industrial facility might focus on pollution control measures, resource efficiency, and adherence to environmental regulations.

The assessment of a Green Rating Project often results in a numerical score or rating that reflects the entity's environmental performance. This rating can be used to compare different entities, identify areas for improvement, and guide decision-making processes. It also serves as a tool for consumers, investors, and policymakers to make informed choices that prioritize sustainability and environmental responsibility.

Overall, the concept of a Green Rating Project plays a crucial role in promoting sustainable development and raising awareness about the environmental impact of human activities. By incentivizing environmentally friendly practices, it contributes to the goal of achieving a more sustainable and greener future.

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Photogrammetry – Types of Photographs

In photogrammetry, aerial photographs are categorized based on camera orientation , coverage , and spectral sensitivity . Below is a breakdown of the major types: 1️⃣ Based on Camera Axis Orientation Type Description Key Feature Vertical Photo Taken with the camera axis pointing directly downward (within 3° of vertical). Used for maps and measurements Oblique Photo Taken with the camera axis tilted away from vertical. Covers more area but with distortions Low Oblique: Horizon not visible High Oblique: Horizon visible 2️⃣ Based on Number of Photos Taken Type Description Single Photo One image taken of an area Stereoscopic Pair Two overlapping photos for 3D viewing and depth analysis Strip or Mosaic Series of overlapping photos covering a long area, useful in mapping large regions 3️⃣ Based on Spectral Sensitivity Type Description Application Panchromatic Captures images in black and white General mapping Infrared (IR) Sensitive to infrared radiation Veget...

Photogrammetry – Geometry of a Vertical Photograph

Photogrammetry is the science of making measurements from photographs, especially for mapping and surveying. When the camera axis is perpendicular (vertical) to the ground, the photo is called a vertical photograph , and its geometry is central to accurate mapping. Elements of Vertical Photo Geometry In a vertical aerial photograph , the geometry is governed by the central projection principle. Here's how it works: 1. Principal Point (P) The point on the photo where the optical axis of the camera intersects the photo plane. It's the geometric center of the photo. 2. Nadir Point (N) The point on the ground directly below the camera at the time of exposure. Ideally, in a perfect vertical photo, the nadir and principal point coincide. 3. Photo Center (C) Usually coincides with the principal point in a vertical photo. 4. Ground Coordinates (X, Y, Z) Real-world (map) coordinates of objects photographed. 5. Flying Height (H) He...

Raster Data Structure

Raster Data Raster data is like a digital photo made up of small squares called cells or pixels . Each cell shows something about that spot — like how high it is (elevation), how hot it is (temperature), or what kind of land it is (forest, water, etc.). Think of it like a graph paper where each box is colored to show what's there. Key Points What's in the cell? Each cell stores information — for example, "water" or "forest." Where is the cell? The cell's location comes from its place in the grid (like row 3, column 5). We don't need to store its exact coordinates. How Do We Decide a Cell's Value? Sometimes, one cell covers more than one thing (like part forest and part water). To choose one value , we can: Center Point: Use whatever feature is in the middle. Most Area: Use the feature that takes up the most space in the cell. Most Important: Use the most important feature (like a road or well), even if it...

Photogrammetry

Photogrammetry is the science of taking measurements from photographs —especially to create maps, models, or 3D images of objects, land, or buildings. Imagine you take two pictures of a mountain from slightly different angles. Photogrammetry uses those photos to figure out the shape, size, and position of the mountain—just like our eyes do when we see in 3D! Concepts and Terminologies 1. Photograph A picture captured by a camera , either from the ground (terrestrial) or from above (aerial or drone). 2. Stereo Pair Two overlapping photos taken from different angles. When seen together, they help create a 3D effect —just like how two human eyes work. 3. Overlap To get a 3D model, photos must overlap each other: Forward overlap : Between two photos in a flight line (usually 60–70%) Side overlap : Between adjacent flight lines (usually 30–40%) 4. Scale The ratio of the photo size to real-world size. Example: A 1:10,000 scale photo means 1 cm on the photo...

Flight Planning Mission

1. Define the Purpose Decide why you're doing the mission: Mapping land use? Creating a 3D model? Surveying a building or farmland? 2. Choose the Area of Interest (AOI) Mark the exact area you want to cover on a map: Set boundaries (length & width) Use coordinates (lat/long) 3. Select the Camera and Drone Pick the right tools: Camera type (sensor size, resolution) Drone (range, stability, battery life) 4. Set Flight Parameters Plan how the drone should fly: Altitude (height) – affects image size and detail Overlap : Forward overlap (between photos in the same line) – usually 60-80% Side overlap (between photo rows) – usually 30-60% Speed – slow enough for clear photos 5. Calculate Flight Lines Create the path the drone will fly : Straight lines to cover the whole area Make sure the overlap is correct Consider wind and obstacles 6. Plan Ground Control Points (GCPs) Mark known ground...

Vineesh V, Geography

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