Photogrammetry - How to use iPin Spatial Ruler Pro

Setting Up Photogrammetry
Before taking a photo dimensioning measurement, please follow the following steps.
(For those who use "Photogrammetry" for the first time…)
Please follow the process of the video to install the iPin Spatial Ruler Pro first.

Please attach iPin Spatial Ruler Pro on the back of smartphone and lay the phone horizontally .
★Attention★
When using the photogrammetry, the distance should be at least 100 cm between the mobile phone and the object to be measured. Please follow the process in below to increase the measurement accuracy.

If there are incorrective operation, it will greatly affect the measurement accuracy!
Depending on the different measuring requirements, please select the object/location (mode) you want to measure.
Please pay attention when choosing "Wall Mode":
Please pay attention when choosing "Ceiling Mode":
Please pay attention when choosing "Level Mode":
Please pay attention when measuring "height":
Interface Description
for photogrammetry
Working Principle
Different photo dimensioning demonstrations.
In videos, the App interface is slightly different, but it does not affect the measurement and operation.

Door area.
Window area.
Ground area.
Ceiling 3-axis_pipeline.
Ceiling 3-axis_beam.
Ground 3-axis.