Can Yang

String field type for ID and an extra option to prune unmatched trajectory

1

- It could happen that the ID field of a trajectory is an extremely long id, which could be unsuitable for int parsing, considering change the type to String -...

Summary of common issues about fmm

9

This page contains a summary of common issues in using fmm. Firstly, make sure you pull the **latest version** of the program. ### Road network Road network should be downloaded...

Although fmm supports taking OSM file as input, the original OSM data are not modified when reading network data (e.g., there is no split or merge performed for long edges)....

Topology generation app

1

An app can be designed for creating topology for OSM or generic shapefile. The problem of long edges missing intersection nodes should be addressed.

Add a preprocessing function to smooth noisy trajectory.

Parse argument function changes the argc value

4

The parse function below reset the argc value to one. https://github.com/jarro2783/cxxopts/blob/b0f67a06de3446aa97a4943ad0ad6086460b2b61/include/cxxopts.hpp#L1333-L1334 That function should not change that value, which is out of expectation.

Add a print function for the option object

4

I think that a print() function can be useful to print out the configurations parsed by the user. The description can be reused during the printing. ``` cxxopts::Options options; auto...