Landcover100, planned land cover website

During the Spring Festival , I'm quite free . After playing the game for four days , Play vomiting . Then I began to think about the specific operation direction of official account .

I also want to know the general direction , I would like to do some preliminary website products . Why do you want to build a website ？

Although the mobile Internet era , More information is split among various app On an island , But the website is still the most open source of information . The most important thing is that there is almost no cost , Perfect for me . The only cost is domain name and server . Domain names cost almost nothing , The server accounts for the majority . I currently have two servers , One is due at the end of the year , a 3 Due in years , It took 260 element . When it's due , You can go whoring with Ali 、 Baidu's servers (3 Year as long as 200 element ). I don't like paying , And making a website is an almost 0 Cost matters , Why not .

So far I have made three websites .

The first is a personal blog site (ruiduobao.club), in consideration of wordpress I'm not flexible , The website has been taken off the shelves , Ready to use hexo Blog system redo .

The second is “ Geoscience remote sensing data collection ”(gisrsdata.com), The site has been largely completed . Considering the wide range of data , This work will continue to follow up maintenance , But the site is completely open source , Even if you maintain it by yourself, it won't take much time .

The third is “ Remote sensing Forum ”( domain name ruiduobao.com, Later migrate to rserforum.com), I'm going to use discuzq frame , The framework is very mature , You don't even need to do any development work , Just operate .

besides , Is there anything worth doing ？ yes , we have .

I want to do a land cover data summary download website landcover100.

At present, there are some problems in land cover data :

(1) Data post-processing : Basically, all data is downloaded in blocks , It needs to be inlaid locally 、 Cutting and so on. .

(2) Scattered data . Basically, each kind of data needs to be downloaded from the corresponding website , It takes time to find a way to download .

If there is a website , Be able to collect most land cover data and do “ Download is used ” Will it be convenient ？ therefore landcover100 The location is :

(1) Support the mainstream 、 Published 、 Open source land cover data download ;

(2) Support downloading data by vector data ;

(3) Support to select provinces, cities and counties for downloading ;

(4) Support data preview ;

There are many challenges to do this website :

The first is the construction of the website . Fortunately, Lao Wang developed easygeodata Website . Between me and Lao Wang GIS After communication , He gave me the source code of the website , It's solved 90% Technical problems . Later, I just need to modify the user module 、 Add real-time display of data 、 Wechat scanning code login and other functions can be used directly .

The second is data preprocessing . We have to mosaic each kind of land cover data in the country 、 Compress and add color mapping tables . Large amount of data , The process is also complicated , But generally speaking, there is no difficulty , Just killing time .

Then there is the cost of the website . Although my server has 80g The capacity of , But it is doubtful whether it can hold a variety of land cover data . If you want to go to CDN Acceleration or excessive traffic costs are factors worth considering . How to efficiently compress data files and reduce users' traffic usage , It is worth exploring further .

Finally, the copyright of data . What data can be put directly on the website , What data can be used for non-commercial purposes . such as GLC30、esri landcover It is doubtful whether the data can be used for non-commercial purposes . If not , In the later stage, only some foreign open source land cover data can be put on the shelves .

Difficult , There are challenges , No cost , There will also be traffic into the official account , Why not . Looking forward to your new website landcover100.com Collect as much land cover data as possible (5 Month ago, ). I also hope that the website will bring convenience to you .