Re: 2D color graph (z size as a color)

sezgin wrote:

> I was looking to plot (a data like I wrote)
>
http://groups.google.com/group/comp.graphics.apps.gnuplot/browse_thread/thread/97f1692f12ebcb3b
> to get this image http://tinyurl.com/5nzmn6
> But macro which I find is not working for my data it gives "Axis
> range  undefined due to improper data values. NaN? Inf?" error
> message.

It is possible that the auto-scaling code is not being triggered.
My guess is that if you set explicit ranges for z and for the 
color palette, you will not see this problem.

  MIN = 0.
  MAX = 500.
  set zrange [MIN:MAX]
  set cbrange [MIN:MAX]




> What can I do to run this macro to get my data plotted?(I am not
> experienced on gnuplot)
> 
> 
> 
> On Oct 14, 7:19 pm, sfeam <sf...@[EMAIL PROTECTED]
> wrote:
>> sezgin wrote:
>> > I am using version 4.2 patchlevel4.
>> > is there any clue how can I do without pm3d?
>>
>> There are actually many different ways, depending on exactly what
>> king of plot you want to make.
>>
>> Here is an example of 2D heat maps:
>> http://gnuplot.sourceforge.net/demo_4.3/heatmaps.html
>>
>>
>>
>> > On Oct 10, 8:30 pm, sfeam <sf...@[EMAIL PROTECTED]
> wrote:
>> >> 1sezg...@[EMAIL PROTECTED]
 wrote:
>> >> > Is there any possibility to draw a 2D color graph by using z as a
>> >> > color scale.
>>
>> >> Yes, in recent versions of gnuplot (newer than 4.2.2) you can color
>> >> by z value in 2D plots.  Current version is 4.2.4
>> >> You do not need to use the pm3d commands for this.- Hide quoted text
-
>>
>> - Show quoted text -