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dbetchkal / NMSIM-Python

A Python-based wrapper for Noise Model Simulation (NMSIM). Eases the creation of input files and joining data from GIS databases.
GNU General Public License v2.0
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Raise MemoryError proactively in certain cases #2

Open dbetchkal opened 4 years ago

dbetchkal commented 4 years ago

In _NMSIMInputOutputTools.tbx, it seems appropriate to anticipate that some users may try to create projects so large that NMSIM will crash. This should be handled in advance.

There are two prerequisites:

  1. What is NMSIM's memory limit? (Presumably constant.) Convert to a maximum area.
  2. How to extract the area of the Study Area Polygon from the Attribute Table using SearchCursor? Should be pretty easy.
chevelle3504speed commented 2 years ago

Additionally, if modeling slow-moving sources such as ATVs and ORVs, the speed of the vehicle and length of trail/trajectory appear to have sizeable effects on software memory limitations. If NMSim crashes when attempting to generate an output (.tig) file, create a new trajectory file and increase vehicle speed and/or reduce length of trail/path to be modeled before reattempting output file generation. Speeds of <8 mph have been problematic on path/trajectories 18 km long in early testing.