[Scilab-users] Fwd: plotxxyyy
Jens Simon Strom
j.s.strom at hslmg.de
Tue Oct 11 09:45:13 CEST 2016
Dear Frieder,
Your diagram problem seems still to be pending. For further assistance
it would be helpful if you answered a couple of questions:
1. Does your attachment "plot_date_16_lines.gif" (your mail 06.10.2016
15:06) show real time data?
2. Is the overlap of the time labeling text colums (YY.MM.DD.hh.mm.ss)
the essential remaining problem?
3. What is the maximum time interval (in seconds) you want to accomodate
on the x-axis?
4. How many time points you want to accomodate on the x-axis at most?
Regards
Jens
---------------------------------------------------------------------------------------------------
Am 10.10.2016 13:38, schrieb Frieder Nikolaisen:
> Dear Philipp,
>
> thanks for you help. I tried to adopt your Code to my programm. No
> success. There is a prolbem I should have metioned eralier. The time
> between each datapoint has a different time period. So I cant print
> the y-axis over the time and add a a secound x axis for the line of
> document. I might stick to the plotxyyy.
>
> Best regards
> Frieder
>
>
>
>
>
>
>
> Am 10.10.2016 09:04, schrieb Philipp Mühlmann:
>> Dear Frieder,
>>
>> one more comment.
>>
>> Instead of using "foo"-data, it might be more useful to plot each
>> graph several times.
>>
>> Otherwise the y-axes are not assosiated with the data and you have to
>> take more care about them.
>>
>> e.g.:
>>
>> // display all graph on first x-axis
>>
>> plot2d(x1,y1); // and hide the y1-axis
>>
>> plot2d(x1,y2); // and hide the y2-axis
>> plot2d(x1,y3); // and hide the y3-axis
>>
>> // plot the y-axis assosiated with the corresponding data
>>
>> plot2d(x1,y1); // and hide the graph and the x1-axis and shift
>> y1 to desired locaion
>> plot2d(x1,y2); // and hide the graph and the x1-axis and shift
>> y2 to desired locaion
>> plot2d(x1,y3); // and hide the graph and the x1-axis and shift
>> y3 to desired locaion
>>
>> // plot the x2-axis assosiated with the corresponding data
>>
>> plot2d(x2,y1); // and hide the graph and the y1-axis and shift
>> x2 to desired locaion
>>
>> best regards,
>>
>> Philipp
>>
>> 2016-10-09 2:58 GMT+02:00 Philipp Mühlmann <p.muehlmann at gmail.com
>> [7]>:
>>
>>> OK.
>>>
>>> Please find attached a sample that might help you.
>>>
>>> Note:
>>> It is possible to draw only an axis without showing the
>>> corresponding data.
>>> Hence: One can create some "fake" or "foo" data not displaying them,
>>> but showing the corresponding axis.
>>>
>>> so using this principle, you can draw as many axes as you like..and
>>> place them where you like.
>>>
>>> clc();
>>> clear(all);
>>>
>>> // all datashare same x axis
>>> // example: there are 1000 datapoints
>>> x1 = linspace(1,1000,1000);
>>>
>>> // each graph has its own y-axis
>>> y1 = x1;
>>> y2 = 200*sin(1/20 * x1);
>>> y3 = sqrt(x1);
>>>
>>> // create fake x-values for y-axis
>>> fake_x = zeros(1,length(x1));
>>> y1_min = 0; // min-value for y1-axis
>>> y1_max = 100; // max value for y1 axis
>>>
>>> y2_min = -2; // min-value for y2-axis
>>> y2_max = 2; // max value for y2 axis
>>>
>>> y3_min = 10; // min-value for y3-axis
>>> y3_max = 20; // max value for y3 axis
>>>
>>> // create 2nd x-axis
>>> // example: the 1000 datapoints has been taken in 60 seconds
>>> x2_min = 0;
>>> x2_max = 60;
>>> dx2 = x2_max - x2_min + 1
>>> x2 = linspace(x2_min,x2_max,dx2);
>>>
>>> // create fake data for x2 axis
>>> fake_y = zeros(1,length(x2));
>>>
>>> f = figure();
>>> f.background = 8;
>>>
>>> drawlater()
>>>
>>> plot2d(x1, y1,1);
>>> plot2d(x1, y2,2);
>>> plot2d(x1, y3,5);
>>> a = gca()
>>> a.axes_visible(2)="off";
>>> a.margins = [0.2 0.2 0.2 0.2];
>>>
>>> // create y1 axis
>>> a1 = newaxes();
>>> plot2d(fake_x, y1); // for fake_x = 0 creates a line on the y1-axis
>>> // therefore the fake data are not visible
>>> a1.children.children.visible = off; // hide fake graph if nesessary
>>> to only show the axes
>>> a1.data_bounds = [0,y1_min;1,y1_max]; // make x-coordinate start at
>>> 0 so that fake data aling with y-axis
>>> a1.axes_visible(1)="off";
>>> a1.filled="off";
>>> a1.y_location="left";
>>> a1.margins = [0.2 0.2 0.2 0.2];
>>>
>>> // create y2 axis
>>> a2 = newaxes();
>>> c=color("blue");
>>> a2.font_color=c;
>>> a2.foreground=c;
>>> plot2d(fake_x, y2,c); // for fake_x = 0 creates a line on the
>>> y2-axis
>>> // therefore the fake data are not visible
>>> a2.children.children.visible = off; // hide fake graph if nesessary
>>> to only show the axes
>>> a2.data_bounds = [0,y2_min;1,y2_max]; // set x-min to "0"...x_max
>>> does not matter, since x-axis wont be shown
>>> a2.axes_visible(1)="off";
>>> a2.filled="off";
>>> a2.y_location="left";
>>> a2.margins = [0.1 0.2 0.2 0.2];
>>>
>>> // create y3 axis
>>> a3 = newaxes();
>>> c=color("red");
>>> a3.font_color=c;
>>> a3.foreground=c;
>>> plot2d(fake_x, y3,c); // for fake_x = 0 creates a line on the
>>> y3-axis
>>> // therefore the fake data are not visible
>>> a3.children.children.visible = off; // hide fake graph if nesessary
>>> to only show the axes
>>> a3.data_bounds = [0,y3_min;1,y3_max]; // set x-min to "0"...x_max
>>> does not matter, since x-axis wont be shown
>>> a3.axes_visible(1)="off";
>>> a3.filled="off";
>>> a3.y_location="right";
>>> a3.margins = [0.1 0.2 0.2 0.2];
>>> a3.axes_reverse = ["on","off","off"]; // reverse x3 axis, since it
>>> is on the right side
>>>
>>> // create 2nd x-axis
>>>
>>> a4 = newaxes();
>>> c=color("black");
>>> a4.font_color=c;
>>> a4.foreground=c;
>>> plot2d(x2, fake_y,c); // for fake_y = 0 creates a line on the
>>> x2-axis
>>> // therefore the fake data are not visible
>>> a4.children.children.visible = off; // hide fake graph if nesessary
>>> to only show the axes
>>> a4.data_bounds = [min(x2),0;max(x2),1];
>>> a4.axes_visible(2)="off";
>>> a4.filled="off";
>>> a4.x_location="bottom";
>>> a4.margins = [0.2 0.2 0.2 0.1];
>>>
>>> drawnow()
>>>
>>> 2016-10-09 1:04 GMT+02:00 Frieder Nikolaisen
>>> <Frieder.Nikolaisen at student.hs-rm.de [6]>:
>>>
>>>> Dear Philipp,
>>>>
>>>> thank you, thats great. I will try it at work on monday. Actually,
>>>> I do have three plots sharing a common x axis and having three
>>>> different y axis. Why I do want to have two x axis is, to show to
>>>> different times on x. Once in secound, once in line of document.
>>>>
>>>> Best regards
>>>>
>>>> Frieder
>>>>
>>>> Am 08.10.2016 um 23:43 schrieb Philipp Mühlmann:
>>>>
>>>>> Dear Frieder,
>>>>>
>>>>> I understand following:
>>>>>
>>>>> You want to plot 3 graphs into one diagram.
>>>>>
>>>>> Basically each graph has its own x and y axis.
>>>>>
>>>>> Since for two graphs the x-axis are the same, you want to have a
>>>>> diagram with two x-axis and three y-axis
>>>>>
>>>>> Please find a code snipplet that will create such a diagram.
>>>>>
>>>>> Best regards,
>>>>> Philipp
>>>>>
>>>>> clc();
>>>>> clear(all);
>>>>>
>>>>> x1 = linspace(1,10,10);
>>>>> x2 = linspace(0,100,101);
>>>>> x3 = x1;
>>>>>
>>>>> y1 = linspace(1,10,10);
>>>>> y2 = sin(x2);
>>>>> y3 = sqrt(x1);
>>>>>
>>>>> drawlater()
>>>>>
>>>>> plot2d(x1, y1);
>>>>> a1 = gca();
>>>>> a1.x_location = "bottom";
>>>>> a1.y_location = "left";
>>>>> a1.margins = [0.2,0.2,0.2,0.2]
>>>>>
>>>>> // Axis y2
>>>>>
>>>>> a2=newaxes();
>>>>> c=color("blue");
>>>>> plot2d(x2,y2,style = c);
>>>>> a2.font_color=c;
>>>>> a2.foreground=c;
>>>>>
>>>>> a2.filled="off";
>>>>> a2.x_location="bottom";
>>>>> a2.y_location="right";
>>>>> a2.margins = [0.2,0.2,0.2,0.1]; // shift axis relative to
>>>>> graphic window
>>>>> a2.data_bounds = [0,-2.;100,2]; // change axis bounds, so that
>>>>> graph is nicely placed in plotted area
>>>>>
>>>>> // Axis y3
>>>>>
>>>>> a3=newaxes();
>>>>> c=color("red");
>>>>> plot2d(x3,y3,style = c);
>>>>> a3.font_color=c;
>>>>> a3.foreground=c;
>>>>> a3.filled="off";
>>>>> a3.x_location="bottom";
>>>>> a3.y_location="left";
>>>>>
>>>>> a3.data_bounds = [0,1;10,4];
>>>>> a3.margins = [0.134 0.2 0.2 0.2];
>>>>>
>>>>> // display x3 to check overlapping of x1 and x3 tics;
>>>>> // if overlapping is good enough, than hide x3
>>>>> a3.axes_visible(1)="off";
>>>>>
>>>>> drawnow()
>>>>>
>>>>> 2016-10-06 21:28 GMT+02:00 Jens Simon Strom <j.s.strom at hslmg.de
>>>>> [3]>:
>>>>>
>>>>>> EDIT IN #3
>>>>>>
>>>>>> Am 06.10.2016 18:20, schrieb Jens Simon Strom:
>>>>>>
>>>>>>> Hallo Frieder,
>>>>>>> You ask many questions in one post.
>>>>>>>
>>>>>>> 1: You just divide the (numerical) time interval into an
>>>>>>> adequate number of points (which can be neatly accommodated)
>>>>>>> with linspace or : and plot the corresponding time text
>>>>>>> colums via a for-loop. There is no need that text times
>>>>>>> coincide with measured data. They only should be placed at
>>>>>>> the correct locations.
>>>>>>>
>>>>>>> 3:You may not be familiar with how to get quick help from
>>>>>>> Scilab: Just highlight the command plot2d or style here and
>>>>>>> go to the help pages BY RIGHT MOUSE CLICK.
>>>>>>>
>>>>>>> 4: Highlight newaxes, foreground
>>>>>>>
>>>>>>> 5: I would postpone integrating a checkbox until everything
>>>>>>> else is to your satisfaction. The rest of #5 is perhaps
>>>>>>> answered by #1.
>>>>>>>
>>>>>>> General remarks
>>>>>>>
>>>>>>> * Do not ask many questions simultaneously. Attack them
>>>>>>> one by one. You make it easier for yourself and the helpers.
>>>>>>> * Accompany your questions by short examples which omit
>>>>>>> irrelevant ornaments. The code you really write with the
>>>>>>> variables you really use is less appropriate in most
>>>>>>> cases.
>>>>>>> * Begin to polish the results (color, line types, fonts,
>>>>>>> fontsize, etc.) only as the last step in your work. At the
>>>>>>> beginning accept what Scilab delivers to you.
>>>>>>> * Work the help pages.
>>>>>>>
>>>>>>> My painful experience is that the polishing job often
>>>>>>> consumes more time (and nerves) than the technical problem
>>>>>>> itself. Scilab is far from intuitive in that respect.
>>>>>>>
>>>>>>> Kind regards, Jens
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
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>>>>>
>>>>> --
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>>>>> In Kanada is ka na da. Sonst wär Kanada Jemanda.
>>>>>
>>>>> There we have the salad.
>>>>>
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>>>
>>> There we have the salad.
>>
>> --
>>
>> In Kanada is ka na da. Sonst wär Kanada Jemanda.
>>
>> There we have the salad.
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>> [7] mailto:p.muehlmann at gmail.com
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