We have briefly mentioned photogrammetry and several of you have found related examples in the previous week. Amazing things are happening in the area of photogrammetry! Photogrammetry, for those who are not familiar with it, can be loosely defined as the art and science of measuring in photos. For the case of 3D modeling this has vast applications:
Photogrammetry has traditionally been within the field of geodesy and remote sensing, but its applications are becoming ubiquitous. Originally, it was used to measure distances, define the extent of areas, and essentially identify and geo-locate terrain features with the purpose to complement databases and/or to create maps.
To give you an example of a recent approach that uses Google Earth images for 3D modeling, we would like you to read the following article.
Rapid 3D Modeling Using Photogrammetry Applied to Google Earth [7] by Jorge Chen and Keith C. Clarke.
As you read, please keep in mind the following questions:
Links
[1] http://psu-libs.maps.arcgis.com/apps/MapSeries/index.html?appid=8b8e085ddc4746bb9dcac35c62bfd1f9
[2] https://sketchfab.com/models/4e3c9c3f6c4a44daae1174ad03bbf1cb?utm_medium=embed&utm_source=website&utm_campain=share-popup
[3] https://sketchfab.com/geographyugent?utm_medium=embed&utm_source=website&utm_campain=share-popup
[4] https://sketchfab.com?utm_medium=embed&utm_source=website&utm_campain=share-popup
[5] https://sketchfab.com/models/88c928bd1ffa4d8f9a15601fca35889f?utm_medium=embed&utm_source=website&utm_campain=share-popup
[6] https://sketchfab.com/chorophronesis?utm_medium=embed&utm_source=website&utm_campain=share-popup
[7] https://www.cartogis.org/docs/proceedings/2016/Chen_and_Clarke.pdf