GIS: Flow Diagram


Today, in the GIS class, I learned how to make a flow diagram. The flow diagram can help us to see the steps and tools we do before completing our DEM (Digital Elevation Model) map using the raster calculator or the weighted sum. You can also see the diagram to make sure there is no …

GIS: LiDAR remote sensing


Belajar soal LiDAR (Light Detection and Ranging) di GIS class Apa sih LiDAR itu? LiDAR menurut the NEON (National Ecological Observatory Network) Scienceadalah sebuah teknologi dengan sensor laser (cahaya) jarak jauh untuk mengukur tingkat elevasi (ketinggian suatu objek dari titik tertentu) dari permukaan tanah, hutan atau bangunan dengan resolusi sangat tinggi.   Bagaimana cara mengumpulkan data dengan …

GIS: Visibility Analysis


Map of Maya site of Copan, Honduras. Created by Utami Diah Kusumawati. This is actually the most difficult map that I have made in the GIS class using several tools like viewshed (boolean), reclassify and visibility. Furthermore, we also had to count the percent_vis and extract value to join before getting to the final data …

New York City I Kismet


Chicago O' Hare International Airport, Sunday 27th January 2019 Touch down at Chicago (ORD) at 3 p.m., 45 minutes earlier than the scheduled arrival. Something really interesting popped up in my mind. When I tracked my flight location ( UA 882) from the airplane's screen, my eyes directed to New York state. Out of nowhere, …