To overcome the problem of terrain-following coordinates, different candidates have been proposed.
Our work is motivated by various problems of terrain analysis that rely on inter-point visibility relationships, such as optimal antenna placement.
Meanwhile the Allied supply system grappled with the problems of terrain and climate, particularly inclement weather and rough monsoonal seas that hampered and occasionally prevented delivery of supplies by sea.
The problem of rough terrain and poor road network became more severe during rainy season when roads in villages become impassable, and dry river beds become flooded making them impossible to cross.
Rather than 20 kilometre Alpine climbs, Qatar is as flat as a pancake, making ferociously strong winds and high-pressure sprints the biggest challenges, but Wiggins has never had a problem with this sort of terrain.
However, lack of flexibility of user control over terrain generation in most popular modern terrain generation algorithms is a big part of terrain generation problem.
The central problem of combined analysis of digital terrain models (DTMs) and soil data is the selection of the correct value for the DTM grid spacing.
The problems of a hilly terrain could be addressed by choosing to walk only the downhill route to or from work, and could be considered as a 'solution' [ 41].
But residents say the problem of cleaning the village's mountainous terrain, which sends radioactive particles into residential areas below after rainfall, makes that unlikely.
Lagrange multipliers technique leads to an elliptic problem, which is discretized using finite-differences schemes after applying a proposed system of terrain conformal coordinate.
