- Put mapillary url of 360 photo into the top text box and press button
- 360 photo is opened with grid
- Read the angle of the target feature (like buildings)
- Measure the distance between the camera and the target feature with other service
- Put distance and angle into the bottom text box
- The height of the feature is calculated
- Edit OpenStreetMap, enjoy!
- This is very rough calculation. Do not rely on this.