3dplot example - difference windows and linux

[Loo X]

Hi,

I translated the 3dplot widget example to PureBasic and it works well under Windows. Under Ubuntu the first call to myplot in the main routine creates an extra window with the plot. If you close it the widget windows shows up with empty draw area. If you use the arrows for perspective the plot area is drawed right. Any known issues here ? 

Greetings

Otto

PS:

Is the Dislin book filled with examples and HowTos or is it "just" a summary of DisHlp and DisMan ?

[Helmut Michels]

Hi Otto,

I think that you have tried to plot to the draw widget before is was created. Normally, the widget tree is realized and shown on the screen in wgfin. This is a little bit

different to Windows, where each widget is created directly by the widget call. You can realize a widget tree before wgfin with the routine reawgt. So, the following

pseudo code will work:

                                ......

                                readwgt ()            // creates the widgets

                                plot ()                   // your plotting code

                                wgfin ()                 // contains the event loop

You can find all information in the book also on the Dislin web site https://www.dislin.de. The book is just a another form.

With best regards,

Helmut

[Loo X]

Thanks. Works. Perfect.

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