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Offline fedeghi  
#301 Posted : 27 August 2018 17:28:01(UTC)
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Just a quick reply to THANK you for fixing the plugin behavior in SMath Viewer.
Offline mkraska  
#302 Posted : 31 August 2018 19:29:34(UTC)
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Uni, I really like the changes introduced to the X-Y Plot.

Just one observation:

Changes to the placeholder entries do trigger a vertex update when the region is left, whereas zoom operations or change of number of points don't.
In such cases, the plot is only updated after re-calculation of the whole sheet.

Even better would be a vertex update after each operation (without need to leave the region or the settings dialog), just as it works with the update of the plot attributes.

EDIT: Actually this is SS-2404

Edited by user 31 August 2018 23:32:59(UTC)  | Reason: Not specified

Martin Kraska

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Offline mkraska  
#303 Posted : 01 September 2018 00:42:45(UTC)
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I need some help as to what the restrictions for plottable expressions are.
General symbolic expressions don't seem to be allowed.
Aren't the expressions simplified before generating the plots?

Here an example which I don't understand:

xyplotbug3.png
xyplotbug3.sm (15kb) downloaded 32 time(s).
Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
Offline Razonar  
#304 Posted : 01 September 2018 06:07:50(UTC)
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Hi mkraska. Here a workaround, which seems that force the evaluation.
Best regards.
Alvaro.

Clipboard01.jpg
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Offline mkraska  
#305 Posted : 01 September 2018 12:32:11(UTC)
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Originally Posted by: Razonar Go to Quoted Post
Hi mkraska. Here a workaround, which seems that force the evaluation.
Best regards.
Alvaro.

Thanks a lot. It seems that in both cases, an assignment to a simple variable is sufficient (no function with parameter x required).


Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
Offline mkraska  
#306 Posted : 01 September 2018 12:37:27(UTC)
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I filed some feature request in the tracking system:

- Remove spurious lines from function graphs (at singularities) (SS-3553)
- Optional axes cross (SS-3554)
- More consistent default settings for font size (SS-3555)
Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
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Offline Jean Giraud  
#307 Posted : 02 September 2018 01:59:21(UTC)
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Originally Posted by: Razonar Go to Quoted Post
Hi mkraska. Here a workaround, which seems that force the evaluation.
Best regards.
Alvaro.


Tanks Alvaro.

The exclusive argument does not support vectorize operator.

ExclusivePlot.PNG

X_Y Plot wisely at(2).sm (17kb) downloaded 27 time(s).

Offline mkraska  
#308 Posted : 02 September 2018 11:50:26(UTC)
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X-Y plot doesn't handle undefined or non-numeric values (issue SS-3552)

It doesn't accept empty strings as empty plot objects. Is there an official way to specify an empty object? As a workaround, a constant number outside the y range will do. The example below uses 0, which adds a green line y=0.
Accepting "" as empty object would increase compatibility with the built-in 2D plot.

xyplot2.sm (19kb) downloaded 29 time(s).
xyplot2.png

Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
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Offline mkraska  
#309 Posted : 02 September 2018 11:56:45(UTC)
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Some recommendations for the format of plot object specification:
  • Suppression of the outline can be done by setting the color to 0. It would be more natural to do it by setting the line width to 0 (which doesn't work) or to set the line style to "none" (which doesn't work either).
  • The reference point of arc and pie objects is the lower left corner of the full circle bounding box. It would be more natural to use the center as reference point, just as with circle and ellipse objects.


xyplot_015.png
xyplot.sm (201kb) downloaded 66 time(s).
Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
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Offline uni  
#310 Posted : 05 September 2018 16:41:57(UTC)
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I was in the mountains (High Alay). Now I back and we can continue.
Russia ☭ forever
Viacheslav N. Mezentsev
Offline uni  
#311 Posted : 05 September 2018 18:08:56(UTC)
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Originally Posted by: mkraska Go to Quoted Post
I need some help as to what the restrictions for plottable expressions are.
General symbolic expressions don't seem to be allowed.
Aren't the expressions simplified before generating the plots?

X-Y Plot nothing know about at() function. Region tries to parse the expression in the placeholder as is and without simplification. So it trying to draw at() function but not f(x). I'll try to add support for at().

Russia ☭ forever
Viacheslav N. Mezentsev
Offline mkraska  
#312 Posted : 05 September 2018 18:18:41(UTC)
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Originally Posted by: uni Go to Quoted Post
Originally Posted by: mkraska Go to Quoted Post
I need some help as to what the restrictions for plottable expressions are.
General symbolic expressions don't seem to be allowed.
Aren't the expressions simplified before generating the plots?

X-Y Plot nothing know about at() function. Region tries to parse the expression in the placeholder as is and without simplification. So it trying to draw at() function but not f(x). I'll try to add support for at().



Hi uni,

I hope you enjoyed the mountains.

Earlier in this thread it was proposed to just assign the list of plot objects to a dummy variable in case of evaluation problems.
I found this being quite robust. Many problems are solved this way.

This makes me thinking that a generic solution inside the plugin should exist (without adding support on a case by case base).
How about taking the list, add a dummy (hidden) variable with the preprocessed list to the context and then start over doing plotting stuff.
I may be wrong but eventually it is worth a try.
Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
Offline uni  
#313 Posted : 05 September 2018 18:53:52(UTC)
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Originally Posted by: mkraska Go to Quoted Post
I hope you enjoyed the mountains.

It was a sporting journey (7 members) with special training and tools. Hard, dangerous, but interesting. In Russia there remained a system of sports tourism (from the USSR). Teams from different regions compete in the passage of various mountain routes.

As for using "a case by case base". I reworked the parsing algorithm to support all features and made it more or less understandable. Preprocessing not uses when parsing because of information about the structure of the expression is lost. Without parsing is too hard to support all features. But time to time I'm trying to make all these things more simple.

Russia ☭ forever
Viacheslav N. Mezentsev
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Offline uni  
#314 Posted : 06 September 2018 16:24:16(UTC)
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Updated. Changes:
- default font sizes reduced (SS-3555);
- added support for the at() function as a simple expression (#303);
- empty objects ( "" ) added (#308);
- changed points format for arc and pie shapes (#309);
- line width for shapes can be zero and color can be "none" (#309).

Edited by user 06 September 2018 16:35:51(UTC)  | Reason: Not specified

Russia ☭ forever
Viacheslav N. Mezentsev
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Offline mkraska  
#315 Posted : 27 September 2018 16:20:09(UTC)
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Geometric shapes seem to be broken in 6839

2018-09-27 15_16_34-SMath Studio 0.99.6839 - [Section 2D plots XY Plot Plugin.sm].png
Section 2D plots XY Plot Plugin.sm (124kb) downloaded 38 time(s).
Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
Offline uni  
#316 Posted : 27 September 2018 18:43:54(UTC)
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Originally Posted by: Andrey Ivashov Go to Quoted Post
List of changes (between 0.99.6823 and 0.99.6839 versions)
Corrections
- Matrix transpose fixed for nested matrices;

You need to transpose points vector (Transpose bug).

2018-09-24_23-45-46.png

Edited by user 27 September 2018 19:01:07(UTC)  | Reason: Not specified

Russia ☭ forever
Viacheslav N. Mezentsev
Offline mkraska  
#317 Posted : 28 September 2018 00:47:23(UTC)
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Originally Posted by: uni Go to Quoted Post
Originally Posted by: Andrey Ivashov Go to Quoted Post
List of changes (between 0.99.6823 and 0.99.6839 versions)
Corrections
- Matrix transpose fixed for nested matrices;

You need to transpose points vector (Transpose bug).

May be a matter of taste, but why not using linear indexing for picking numbers from the dimensions argument? This would have prevented the issue and the argument list clearly looks better without transpose operator. This applies to the whole object as well as to the second argument.
You then wouldn't need even a single transpose operator in the above example.

The less picky the functions are, the better is the user experience.

In the case of polygons and the like I see that you need some convention and it is good to stick to the one used in generic 2-column matrix plotting.
Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
Offline uni  
#318 Posted : 28 September 2018 01:28:48(UTC)
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I think that this is not a big problem, because you can always think of something.

2018-09-28_03-28-05.png
Russia ☭ forever
Viacheslav N. Mezentsev
Offline uni  
#319 Posted : 28 September 2018 12:26:48(UTC)
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Updated.

- Smoothing property removed;
- AntiAlias property added for line and symbol style;
- issue with the reversed limits of the axis is fixed;
- refactored.
Russia ☭ forever
Viacheslav N. Mezentsev
Offline mkraska  
#320 Posted : 03 October 2018 22:38:25(UTC)
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Here is an example with strange behaviour of XY-plot.
1. In the second plot only one ellipse is drawn.
2. If the first plot is deactivated, the second plot fails completely
3. Again I had to use a dummy assignment to enforce context substitution

2018-10-03 21_28_22-SMath Studio 0.99.6839 - [Example NewtonRaphson2.sm_].png
Example NewtonRaphson2.sm (37kb) downloaded 27 time(s).
Martin Kraska

Pre-configured portable distribution of SMath Studio: https://en.smath.info/wi...th%20with%20Plugins.ashx
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on 04/10/2018(UTC),  on 17/11/2018(UTC)
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