Investigate changes before and after events like fire, drought, flood and other natural disasters as well as human activity like construction rate in some region or crop cultivation. Code your own algorithms to estimate intensity or spreading of changes.
For October 1, 2016, we get RGB with correction of the brightness by &color=brightness>5000,brightness< 13000 .
For RGB processing you need to choose three bands of b4,b3 and b2 by select=b4,b3,b2 and type of the processing as &op=rgb
Choose images on the specific date, for the particular period, pick up the best images for the last month or week, and many other options.
OpenWeatherMap team wishes you a happy New Year! Thank you for being with us this year, we hope to see you in 2017.
Setup your formulas and color schemes of change detection to make it applicable for fire.
You can setup your color scheme absolutely flexibely by playing with a parameter
&color=0.03:fcfefcff; ... This parameter consists of pairs of numbers like
0.03:fcfefcff separated by semicolons where:
0.03 - NDVI value from 0 to 1
fcfefcff - HTML colors
The Namib is a coastal desert in southern Africa. The name Namib is of Nama origin and means "vast place". According to the broadest definition, the Namib stretches for more than 2,000 kilometres along the Atlantic coasts of Angola, Namibia, and South Africa.
Openweathermap team wishes happy Merry Christmas and a beautiful holiday weather for New Year to all our users and visitors! Thank you for being with us this year!
As a Christmas gift, we've prepared some special weather widget, that you can embed into your site or blog to watch for the holiday weather in your city area. You can get it at the weather widgets page that's been announced recently.
We choose one day, October 1, 2016, as an example and calculate NDVI for our polygon.
OpenWeatherMap provides a bunch of weather API’s for developers, who create this kind of apps and many others. But our site is quite visited by users who’d like to check the weather for the certain city - so we created a various stuff of widgets you can copy and paste into your web page or blog as a ready-to-use JS code snippets no programming skills required.