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* Run '<code>dx'</code>,In teh and then in the '''Data explorer''' or '''DE'''.* Click on '''<code>Edit Visual Programs...'''</code>.* Select the <code>map.net </code> program created by relax,
→How to use dx: Formatting using the <code> tag.
== How to use dx ==
Now in the '''<code>Visual Program Editor''' </code> or '''<code>VPE'''</code>.* Select the menu entry '<code>Execute->Execute on change'</code>.
That's it.
You now have a 3D frame, but nothing in it. <br>Therefore the contour levels must be too low or high. <br>From the map file, the values are in the hundreds of thousands.
Then:
* In the main program window, double click on the '<code>Isosurface elements'</code>.
* Change the values until you see surfaces. In the first the value is 500. I changed this to 500,000. Multiply all by 1000.
* In the second, 100 -> 100000.
This should maybe be performed by the dx.map user function, determining reasonable contour levels.
With a bit of zooming, clicking on '<code>File -> Save image' </code> in the "<code>Surface" </code> window, "<code>allowing rendering"</code>, and outputting to a large TIFF file, "<code>save current"</code>, then "<code>apply"</code>.
An example image cropped and converted to PNG in the GIMP at <br>https://gna.org/bugs/download.php?file_id=20641.
Note that for a good resolution plot, you will need many more increments. <br> Using the lower and upper dx.map arguments will be useful to zoom into the space.
== Example images ==
