Source code: https://bitbucket.org/latin/heatmap_explorer Citation:
@inproceedings{Sousa:SBGames2013, title = {Penspective: a Perspective-Aware Game Map Editor with Natural Interaction}, author = {Alexandre M. F. de Sousa and Anderson C. M. Tavares and Carlos H. Morimoto}, booktitle = {XII Simpósio Brasileiro de Jogos e Entretenimento Digital}, series = {SBGames '13}, year = {2013}, month = {October}, address = {São Paulo,Brazil} }