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Shape Calculator
Calculate Required Shape Heights in Inches and Pixels
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At a
constant visual angle, increasing screen size and
distance effects can be calculated. |
|
Screen |
Distance |
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|
(inches) |
(inches) |
Ratio |
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21 |
20 |
1.05 |
|
40 |
52 |
.77 |
|
90 |
120 |
.75 |
|
90 |
240 |
.38 |
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For: |
Recommended Visual Angle: |
Rapid and accurate legibility of a
single character.
Examples: Parameter types, static display text, alarm
priority. |
11-12 minutes of arc |
Comfortable reading.
Examples: PV, OP, other live process data |
16-18 minutes of arc |
Calculate Shape Heights:
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