Visualização e manipulação das nuvens de pontos extraídas nos processamentos fotogramétricos a partir da comparação entre softwares

Abstract

In recent years, Photogrammetry has evolved a lot in relation to its costs and especially its precision and with the constant advancement of technology, new tools and computational methods have emerged that have led to the achievement of new products, one of which is obtaining 3D point clouds through of the photogrammetric process thanks to new and better algorithms and methods. In this way, the present work proposes to present a solution to manipulate and visualize point clouds in .las/.laz format in a web platform, being carried out the processing of a set of images, thus obtaining a 3D point cloud as a final product, being this used for manipulation and visualization in web platform. Subsequently, a comparison was made between the potree and the global mapper, to validate or not its use in photogrammetry. The results showed that potree is an excellent open source 3D point cloud renderer and viewer that can be applied in photogrammetry, taking into account the comparison made between it and the global mapper, a renowned commercial software in the area.