Read before use
1, check data with precheck (windows version) tools
2, data from excel, copy and paste data into the input frame
3, data from txt, must tab-seperated, copy and paste data into the input frame
4, specieal and non-English characters such as #, <, >, %, (, ), α are not friendly
5, use point as decimal separator, not comma. e.g. 3.14, not 3,14 as pi
Required

range was set into: a <= x < b
Value range (required)
range 1:(note: if value is 0, white color)
lower value 1:
higher value 1:
color 1:
Optional
range 2
lower value 2:
higher value 2:
color 2:
range 3
lower value 3:
higher value 3:
color 3:
range 4
lower value 4:
higher value 4:
color 4:
range 5
lower value 5:
higher value 5:
color 5:

range 6
lower value 6:
higher value 6:
color 6:

Show name

note: only several country names were added

note: it takes about one minutes to finish, NO refreshing

World map (epidemic map)

The first column is country/distric name (DO NOT CHANGE). The second column is value (e.g. number of patients who suffered from SARS-CoV-2)
note: 1, must have header.
2, all country/distric list: Download, see excel for detail
3, shp data downloaded from Resource and Environmental Science Data Platform, just for research purpose.
input 
Country/Area	value
CHINA	10
JAPAN	1000
INDIA	300
UNITED STATES	3000
GERMANY	100
Output

1) How to plot?
1, Put data in excel according to the example format.
2, Copy and paste into input frame.
3, Input pre-checking button to check input
4, After checking pass, select parameters, submit and download

2) How to cite?
3000+ papers in (Google Scholar)
Tang D, Chen M, Huang X, Zhang G, Zeng L, Zhang G, Wu S, Wang Y. SRplot: A free online platform for data visualization and graphing. PLoS One. 2023 Nov 9;18(11):e0294236. doi: 10.1371/journal.pone.0294236. PMID: 37943830.

3) FAQs