Re: I can not find

Hola Danilo,
    The best way to create a function is to use

my_function_dataset = gtk_plot_data_new_function(function_ptr);

and then you use it as a regular dataset.

If you need to pass other arguments to the function, you can use several 
solutions:

1)

gtk_widget_set_data(GTK_WIDGET(my_function_dataset), 
"my_parameter_name", value);

And in the function you retrieve as

value = gtk_widget_get_data(GTK_WIDGET(my_function_dataset), 
"my_parameter_name");

This solution could cost some performance though (if you need speed).

2) A second solution

put your parameters in a structure:

typedef struct
{
    gdouble a, b, c;
} my_parameters_type;

my_parameters_type parameters;
parameters.a = 0.0;
parameters.b = 1.0;
parameters.c = 3.0;
gtk_plot_data_set_link(my_function_dataset, &parameters);

and in the function you use:

my_parameters_type *parameters;
parameters = gtk_plot_data_get_link(my_function_dataset);

3)  Another way would be to use global variables.

I hope this helps.
Saludos,
<ADRIAN>


danilo lujambio wrote:

>Hi;
>
>can someone tell me How can I use gtk_plot_add_function ?
>
>I have read the gtkplot.c and testgtkplot.c and run it ( the last :-) )
>but I could not see how is used the gaussian function in this example .
>How are passed the parameters to it ?
>
>Thanks in advance
>
>dl
>Argentina
>
>
>
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