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Centered Video Crop Area Retained
Online centered video crop area retained. Geometric or data-budget estimate. Sensor behavior, processing, focus breathing and recording overhead are excluded unless explicitly modeled.
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centered video crop area retained calculator online
Use centered video crop area retained online for source width, source height, target aspect. Geometric or data-budget estimate. Sensor behavior, processing, focus breathing and recording overhead are excluded unless explicitly modeled.
How to use it
Enter source width. Set source height, target aspect. Select Calculate and check the labeled output. Copy or download the JSON result.
Options and example settings
Calculation method
retained_area_pct = 100*min(source_width,source_height*target_aspect)*min(source_height,source_width/target_aspect)/(positive(source_width)*positive(source_height)) (^ means exponentiation; trig functions ending in d use degrees).
Worked examples
Apply centered video crop area retained to the case below, keeping the displayed units and assumptions. Geometric or data-budget estimate. Sensor behavior, processing, focus breathing and recording overhead are excluded unless explicitly modeled.
Centered Video Crop Area Retained — worked case
Settings: source height: 2160; target aspect: 1
Input:
3840
Calculated result for these inputs:
Output:
{
"retained_area_pct": 56.25
}Choose the right tool
Exposure equivalence, depth-of-field equivalence and file storage describe different questions. Review whether a value is a focal length, a crop factor, a shutter time, a frame rate or a bitrate before calculating.
Limitations and common mistakes
- Geometric or data-budget estimate. Sensor behavior, processing, focus breathing and recording overhead are excluded unless explicitly modeled.
- Use the displayed unit in every field. Ratios and percentages are different inputs; percent fields use values such as 25 rather than 0.25.
Frequently asked questions
How can I use centered video crop area retained calculator online?
Enter source width. Set source height, target aspect. Select Calculate and check the labeled output. Copy or download the JSON result.
Where is my input processed?
The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.
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