Create a Web clickable chart with Aladin

1
Create a Web clickable chartwith Aladin
2
Goals and requirements

• You would like to create a clickable chart and
  install it on your web server.
• Requirementsgt an access to a web server for
  pages and CGI scripts.

3
Create your chart

• Launch Aladin and load data, for instance Simbad
  around M104

4
Customize your chart

• Apply a filter and activate the grid..

5
Save your chart

• Save your chart with the name M104chart via the
  menu Save, format PNGLINK
• QuitAladin

6
Install the chart

• Copy (via ftp) the two produced files on your Web
  server

7
Install the CGI chart script

• Download and install this short Perl CGI script
  on your Web server http//aladin.u-strasbg.fr/java
  /nph-plot
• Adjust Perl path and DIR variable according to
  your configuration

8
Lets play with your chart

• http//your.web.site/.../nph-plot?nameM104chart

9
Remarks

• You can merge several data origins
  (NEDSimbadVizieryour own)
• You can insert a background image
• Only data with url provided can be clickable
  (blue underlined measurements in Aladin)
• The same CGI can manage as many charts as you
  want.
• These charts can be produced on the fly if you
  install Aladin itself behind the Web server (see
  Aladin FAQ)