Description
Return microscope length scale and object length.
Conservation measurements separate nominal material composition, contact geometry, expansion and mechanical response. A volume fraction or clearance term evaluates supplied properties under a limited model; actual material compatibility, treatment effects and object stability require examination and specialist judgment.
Return microscope length scale and object length.
When to use this tool
Use Microscope Scale Bar Object Length when checking the stated conservation material, dimensional or mechanical term.
How to use the tool and how it works
- Enter barPixels, barLength, objectPixels. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read lengthPerPixel, objectLength. Use the output convention below.
Return microscope length scale and object length. Require barPixels > 0 and barLength/objectPixels >= 0; lengthPerPixel = barLength/barPixels, objectLength = objectPixels*scale.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| barPixels | Bar Pixels | Required. Finite number; strictly above 0. |
| barLength | Bar Length | Required. Finite number; minimum 0. |
| objectPixels | Object Pixels | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| lengthPerPixel | Length Per Pixel | Required. Finite number. |
| objectLength | Object Length | Required. Finite number. |
{
"input": {
"barPixels": 100,
"barLength": 10,
"objectPixels": 250
},
"output": {
"lengthPerPixel": 0.1,
"objectLength": 25
}
} Limitations and assumptions
- This assumes the same calibrated image scale; distortion, pixel selection and suitable object measurement are not verified.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use calibrated measurements, representative material tests and qualified conservation/engineering assessment before actual treatment, mounting or handling.
References
Similar or alternative tools
- Museum Packing Object Center Offset
Return packing opening width, offset and clearance.
- Condition Image Scale Residual
Return scaled image distance and physical-reference residual.