Fill in the Blanks Laser Scanning Data Online version Fill in the missing parts in the text. by Ritva Ala-Louko 1 discharge collected contour use depicting derived elevation ground applications environment utilized dimensional coordinate Laser scanning data refers to three - point - like data depicting the ground and objects on the . Each point is provided with x , y and z information . Laser scanning data is , e . g . in order to produce models and collect information about forest resources . Laser scanning data is , among other things , for making topographic models . Topographic models are used in route optimisation and data collection and in applications studying water and the forms of the ground surface . Laser scanning data is also utilised for creating lines . Laser scanning data and three - dimensional models from it are applicable to be used in the urban environment , e . g . in noise modelling . Laser scanning data is also utilised in land planning and collecting information about forest resources and also in other analysis and monitoring of changes in the natural .