チョッカン計測｜写真で角度・R・長さを測る
Android app by TANAKA KOGYO Lab. Tools · TANAKA KOGYO Lab
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0
- Listing last refreshed
- 2026-09-11
View the original store listing
Store description excerpt
■ Take a picture and measure later Chokkan Measurement is an app that allows you to measure angles, R (radius of an arc), and length simply by tapping on a photo. Even if you don't have the actual object in hand, you can check the dimensions with just a photo. 【What you can do】 ・Angle measurement: Tap three points (end → vertex → end) to display the angle and complementary angle between two sides. ・R measurement: Tap three or more points on an arc to fit the circle and estimate the radius. The more points you add, the higher the accuracy. ・Length measurement: Tap two points to measure the distance. ・Actual size (mm) conversion: Simply designate both ends of a ruler or a part with known dimensions in the photo as "two reference points" and enter the actual length. Subsequent measurements will be displayed in mm. ・Sharing: Share the image with the measurement lines and results burned into it. Numerical data can also be copied. [Features for On-Site Use] - Fine-tune points by dragging; use the magnifying glass to check under your finger while dragging. - Pinch to zoom in and accurately tap details. - Always-on screen setting prevents screen dimming during work. - Adjustable display accuracy (number of decimal places) to suit your needs. [Situations where this is useful] - Metalworking: Checking angles by fitting actual parts, estimating corner radii. - Construction/Renovation: Taking dimensions from on-site photos. - Inspection/Repair: Take photos on-site and review them later in the office. [Privacy] Both photos and measurement data are processed only within the device and are never transmitted externally. Because it does not communicate, it can be used even in locations without radio waves. There are no advertisements. [Caution] The accuracy of photo measurement depends on the shooting conditions. Accuracy can be improved by shooting from directly above and placing the reference object and target object on the same plane. For formal inspection and certification purposes, please use measuring instruments.
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