Which method would be most effective for creating a topographical map using photographs?

Orthophotography is the method that would be most effective for creating a topographical map using photographs. This technique involves correcting aerial photographs to eliminate distortions caused by camera tilt and terrain relief. The resulting orthophoto has a uniform scale, allowing for accurate measurements and detailed representation of the terrain.

In the context of topographical mapping, the orthophoto can serve as a base layer that integrates seamlessly with other data, providing a realistic view of the area while maintaining accurate spatial references. This integration is crucial for planners and architects who require precise landscape information for project development.

While other methods have their own applications, they do not offer the same level of accuracy and usability in the context of creating topographical maps. For example, rectified photography may involve adjustments, but it does not ensure the uniform scale and geospatial accuracy that orthophotography provides. Electromagnetic distance measurement is more about surveying distances rather than creating visual representations, and stereophotogrammetry, while useful for 3D modeling, can be more complex and may not yield the straightforward results required for typical topographical mapping tasks.