comp.lang.idl-pvwave archive: archive » Re: How to add the grid to a figure

Home » Public Forums » archive » Re: How to add the grid to a figure

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: How to add the grid to a figure [message #62452 is a reply to message #62450]

Tue, 09 September 2008 07:14

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

duxiyu@gmail.com writes:

> I want to wrtie a procedure to get the similar plot as it below.
> http://lh6.ggpht.com/duxiyu/SMZ8O2FYDRI/AAAAAAAAACo/HCWygAzv Y60/sample.png
> Is there a simple method to add the dashed grid like that?
>
> The vertical dashed lines are easy to be added, becase the duration
> for all data is three hours and the interval between tow vertical
> lines is 3 min.
> Therefore, it is easy to use a loop to plot them.
>
> But I cannot find a universal method to plot the horizontal dashed
> lines.
> Becase for different data interval, the Y values are different for
> each other.
> The values of horizontal lines are equal to the major ticks.
> Meanwhile, according to the different data set, IDL selected the
> different major ticks.
> So it is difficult for me to build the procedure which can be applied
> to all the data.

Here is an article:

http://www.dfanning.com/graphics_tips/grid.html

You can also use the [XYZ]Tick_Get keywords to get the
major tick values.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Report message to a moderator

[Message index]

		Re: How to add the grid to a figure By: duxiyu@gmail.com on Tue, 09 September 2008 07:52
		Re: How to add the grid to a figure By: David Fanning on Tue, 09 September 2008 07:14

Previous Topic:	Activating WIDGET_BUTTON through ENTER key.
Next Topic:	ENVI on Fedora Core 9 in VMware virtual machine

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sun Oct 12 19:21:22 PDT 2025

Total time taken to generate the page: 6.88197 seconds