What data do gis and light detection and ranging (lidar) technologies provide to portland city officials?

They provide pictures or 3D models of what is on the Earth's surface

Lidar is an important component of  GIS system.

Explanation:

A Gis and a lidar is the light ranging and detection mechanism used in the survey of the place and the distant targets are illuminated by the light and are captured by a sensor and thus the returned wavelength is used to make a 3 dimensional model of the earth shortly with the use of the told alike the sensor and the scanner and the orientation of the platform and that may be airborne or terrestrial. The portland official use this technology at places like the internal airport and as to facilitate a large number of public officials and the data is also used as in the city plannings and the movement of the truck and the law enforcement use lidar force guns and measure the speed of the veches and also use it in the forensics to check the crimes scene investigation.

Here is a picture  of the net. its 4 squares in a row diagonal and on the third draw one square aove and under