TY JOUR TI OPEN-SOURCE TOOLS FOR GEOGRAPHICAL ANALYSIS IN TRANSPORT PLANNING KW open source KW geographic data KW transport planning KW software JO Scientific Papers Collection of the Angarsk State Technical University AU Lebedeva, O.A. AU Denisiuk, A.V. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»