MaplePrimes - answers and comments on Question, How to create a spectrum of colors in contourplot?

Something can be done

hirnyk — Thu, 24 Jun 2010 14:25:18 Z

Something in some cases can be done. Here is an example (on my worksheet the picture is better than below):

picture.eps

hirnyk — Thu, 24 Jun 2010 15:08:37 Z

Concerning your second question, export the picture by Context Sensitive Menu (right click) as an Encapsulated Postscript file.

Changing the font size without regenerating the plot

Hamidreza — Thu, 24 Jun 2010 15:49:10 Z

Thank you hirnyk!

Since the trend of my function is unknown to me, unfortunately the first approach is not applicable to my case. But the second answer was helpful. However, still I do not know how I can change the font-size of axes without replotting it, I mean using the option font=[TIMES, ROMAN, 16] for example. Because each function needs in some cases 5 mins to be plotted, and I want to change the font size based on my convenience, so I have to change it by trial and error and see what looks good. So I guess it should be another way of handling this.

Thank you@!

The option axesfont

hirnyk — Thu, 24 Jun 2010 16:01:55 Z

Hope, the option axesfont will be useful to this end. See Maple Help/Search For Topic/font/plot,options (font) for more details.

Once more

hirnyk — Thu, 24 Jun 2010 20:39:36 Z

@Hamidreza My previous approach can be realized only in special cases. Maybe, the following approach will be useful:

Here the color depends on the value of f(x,y).

I even got more than expected!

Hamidreza — Fri, 25 Jun 2010 08:00:45 Z

Thank you! Your second example guided me to search for the same idea (color=...) in plot3d, too. In fact, I switched from plot3d to contourplot3d because the default coloring option of plot3d is set to be "x", and I changed it to my function, i.e. color=f(x,y). Therefore it works as I want to and even more, as I have much more control on the color of the contour. The only conceptual problem with this, which I think should be considered in maple engine, is that it starts with red and ends with red, too, which makes it a little confusing. Because in most engineering apps, the color corresponding to the lowest values stops at dark blue, like as shown in the sample of the link in my first post.

Thank you!