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Gooong / LeastCostPath

The Least Cost Path Plugin for QGIS
https://plugins.qgis.org/plugins/leastcostpath/
GNU General Public License v3.0
24 stars 12 forks source link

Least Cost Path - error #5

Closed driansmith closed 4 years ago

driansmith commented 4 years ago

The size of cost raster is: 18000 * 18000 Searching least cost path... Traceback (most recent call last): File "C:/Users/Bing/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\leastcostpath\least_cost_path_algorithm.py", line 236, in processAlgorithm min_cost_path, costs, selected_end = dijkstra(start_row_col, end_row_cols, matrix, feedback) File "C:/Users/Bing/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\leastcostpath\dijkstra_algorithm.py", line 125, in dijkstra cost_so_far[nex] = new_cost MemoryError

Execution failed after 814.09 seconds

Loading resulting layers Algorithm 'Least Cost Path' finished

Is this because the pc ran out of memory? the task was too big?

Gooong commented 4 years ago

Probably. 18000 * 18000 raster is rather large. You can have a try with more memory or simplify/resample the cost grid.