Questions relating to the dynamic family of functions in Mathematica, such as Dynamic, DynamicModule and Manipulate.

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4
votes
1answer
368 views

help with dynamic input

I'm trying to build a pop up window with i lines. Each line would read: Number of neurons in layer 1: Number of neurons in layer 2: etc until layer i The user would enter a numeric value on each ...
8
votes
1answer
494 views

Generating dynamic Inputfields

I want to create a bunch of input fields, four in this case, one for each element of the list "x", but since Dynamic has ...
5
votes
3answers
167 views

Creating a Tooltip that knows what platform is currently being used

I have Mathematica 8 on my PC. I also have a new Mac with CDF-player, but not Mathematica. I want a Tooltip that shows one thing if running on a PC, and something ...
7
votes
1answer
188 views

Asking for input in an event handler

Why won't EventHandler["text", {"MouseClicked" :> (output = Input[];)}] work? When I click "text" the kernel hangs.
9
votes
3answers
208 views

Problem with UpdateInterval

I want to monitor current results with Dynamic ...
19
votes
1answer
349 views

How can I interrupt Speak?

I want to use an event handler to stop speaking: Speak[ExampleData[{"Text", "DonQuixoteISpanish"}]] The only way I can stop this is by restarting mathematica!
2
votes
1answer
179 views

Multi-Selection dynamic menus

I'm looking to create dynamic menus with multiple options, and would allow multiple selections. For example, mousing over an object (let's say a black circle of rad 1), a menu would popup at ...
4
votes
2answers
255 views

How can I emit a sound only during a mouseover?

Emitting a constant sound or note (no interruptions) for a fixed duration is easy, but a dynamic duration, not so easy.
5
votes
1answer
300 views

Basic question about Dynamic

Please consider the following: ...
0
votes
1answer
239 views

how to dynamically change color of setterbar

I have a SetterBar with 3 values. I want that when I hover the cursor on any of the SetterBar value,it changes its color and ...
13
votes
1answer
437 views

Unique[] symbol not properly tracked

In a nutshell, why does this work (change y and see how the value updates) ...
3
votes
2answers
327 views

Dynamic lists as function arguments

Suppose I have a function that requires a list is as input. I.e. f[list_]:=DoSomethingWithList Now, if I pass a variable as Dynamic like this ...
6
votes
2answers
282 views

Creating a list of PopupMenus that dynamically update an element in a list

So as the title says I am trying to make a list where each element is determined by a users choice of an element in a PopupMenu. My first attempt: ...
3
votes
1answer
674 views

Mathematica - Dynamic - ListPlot - baseline

I am performing baseline fitting to a raw dataset on a two-state equilibrium process. The process involves fitting the sigmoidal curve to an upper and lower linear baseline, and subtracting so that ...
3
votes
1answer
215 views

Using DynamicWrapper with multiple Dynamics with different TrackedSymbols

I have two variables A and B that are linked such that changes to one causes the other to be updated to the same value. However at each change I'd also like to know which variable cause the update to ...
18
votes
1answer
561 views

Mouse motion heat map - live visualization and analysis

Mouse motion heat map is an great way to study spatial attention distribution, styles of movement, reaction, etc. I am trying to design a code that visualizes such heat map. The requirements: 1) It ...
0
votes
2answers
651 views

Basic Dynamic Interface Programming that returns variables to nb functions

I have a dynamic module that contains some basic PopupMenu's and Buttons but also need to use the variables returned from these buttons and PopupMenu's in my nb functions outside of this ...
-4
votes
2answers
389 views

Controlling plots with sliders without using Manipulate

Why are the sliders in the following code not affecting the plot? (Without using Manipulate) ...
4
votes
2answers
2k views

Using a Slider to manipulate a Plot

Why does this work (displays the curve): Graphics[Plot[Sin[x], {x, 0, Pi}]] and this doesn't (no curve) ...
5
votes
3answers
384 views

How do you properly create Buttons to change dynamic variables using Table

In this example, I want a series of four buttons to change the value of a variable that is used dynamically to drive a plot. I am trying to figure out why using Table around the buttons causes a ...
4
votes
1answer
135 views

Using Dynamic with UpdateInterval and EventHandler Together

I've been having some difficulty with the aforementioned use of these three functions/options and would greatly appreciate some help. I know that they're is probably an easy way of making a disk move ...
1
vote
2answers
394 views

Making a plotted curve interactive

Is it possible to make a plotted curve interactive in the sense that when hovering over it a line is drawn from the "hovered" point to one (or both) of the axes. I did do my homework, I just can't ...
19
votes
1answer
530 views

How can I effectively performance-profile Dynamics?

How to optimize performance-wise a complex dynamic expression (like a GUI) with lots of dynamically updated components, which require different update-frequencies? I was hesitant to ask this question ...
10
votes
2answers
268 views

Two-sided slider getting stuck

I'm implementing a two-sided slider to be able to set upper and lower bound in just one slider: The problem is that it can get stuck when both locators are at the far left: And I'm unable to ...
6
votes
2answers
453 views

How can I make a list animation of images that fade in and out?

I'm not sure how to get a "fade in" effect.
6
votes
2answers
187 views

How to access off-cell mouse position inside an EventHandler?

Consider the following example. First, I print the dynamically updated value of the actual position of the mouse, then I print pt, which is the same but is only ...
4
votes
2answers
397 views

How can one popup menu be used to add another?

I'm trying to construct a GUI that changes depending on what's chosen in certain popup menu's. For example: The default state of the menu is condition one, but when the first PopupMenu is selected ...
4
votes
1answer
241 views

Evaluation inside Button stops after some seconds

I would like to trigger a long calculation inside a dynamic module with a Button. It seems that the evaluation stops without an error-message after some seconds. I made a test outside the a dynamic ...
4
votes
4answers
647 views

How to change color dynamically?

I am new to Mathematica and want to change the FillingStyle Dynamically in this Plot. I want ...
9
votes
6answers
395 views

How to make text flash for a short period

How could I display text that flashed red for a half second or so and then reverted to black? (Or was put in bold and reverted to normal, etc.)
7
votes
1answer
374 views

How to create a multi-selectable setterbar with colored buttons

Background: consider the following code-snippet. ...
8
votes
1answer
93 views

How can I defer the loading of a PopupView control until it is used?

Background: I have several PopupViews of which the loadtime adds to the startup time of a program. To improve the perceived performance I want to defer the loading ...
76
votes
2answers
5k views

How to manipulate 2D plots?

When it comes to visual analysis, large datasets or data with intricate internal details often makes plotting in 2D useless, as the outcome is either just a fraction of the full dataset, or no details ...
7
votes
1answer
430 views

Want Interactive PlotRange of Graphics[{}]

I am trying to do: ...
7
votes
3answers
202 views

Using a Slider2D to add data points to a list

This bit of code sets up a list with the first entry already in it -- {{1,1}}: ...
3
votes
2answers
238 views

Can't get DynamicModule[{..},..EventHandler[] ] working

This makes a slider to control the number of points. Click in the Graphics and the points slide over to where you click. ...
7
votes
2answers
230 views

Moving controls from Manipulate to a Palette ( or similar GUI object )

Consider the following snippet as a reference. ...
6
votes
1answer
159 views

How can I make sure all InputFields have values before processing a nb form?

This is a two part problem: I have a form that accepts both numeric and text inputs, then runs a function using a "process" Button. The issue I'm having is users that forget to fill out all of the ...
15
votes
0answers
421 views

How can I trace a functional expression's evaluation visually?

Ok, so the goal is to visualize the execution of this expression foo /@ {3 + 1, bar /@ {1 + 2, {4 + 7}}} in the following fashion using nested rectangles with ...
14
votes
3answers
733 views

How can I set the view vector in a 3D scene by tracking my face's position?

Faking 3D with 2D tracking data is something that I've long wanted to implement for use with my front facing laptop camera. A first step to solving this would be dynamically setting the viewpoint ...
10
votes
3answers
240 views

Intermediate display similar to PrintTemporary

Using MMA we often come across situations like the following cityLIST = CityData[#, "Name"] & /@ CityData[]; This code if you evaluate will emit some display ...
12
votes
3answers
282 views

In InputField, how to prevent Shift-Return from generating a new cell?

When running the following in a notebook (not a deployed CDF file), it can sometimes be annoying that accidentally pressing Shift-Return breaks out of the user ...
17
votes
4answers
535 views

How can I make an InputField with a proper newline/carriage return?

The return key does not work as expected in an InputField, how can I overcome this?
36
votes
3answers
881 views

How can I set up a versioning system within a notebook?

Since the Frontend crashes a lot, for important work it would be nice to have the notebook automatically branch and save itself every so many minutes. For instance, commands like ...
6
votes
2answers
203 views

Creating a slider that instead of setting, increases/decreases a variable

The objective: Create a slider that, when displaced from the center, increases-decreases the value of another variable at a rate proportional to the displacement. So, I create a slider that ...
11
votes
2answers
259 views

ShearingTransform and Dynamic

Background: I have a geometric transformation composed of a RotationTransform, ScalingTransform and ...
2
votes
2answers
292 views

How to format dynamic InputField value using NumberForm?

Background: I want all numbers in InputField's displayed as NumberForm[num,2]; Now, consider the following the snippet of ...
2
votes
1answer
92 views

PaneSelector and options in a Module

Consider the following snippet of code: ...
5
votes
2answers
290 views

How to create a ListLinePlot with a layout analogous to ChartLayout -> “Stacked”?

I am using 3 checkboxes as desktops, portables and ipods in such a way that when I click to desktops it should shows ListLinePlot of ...
12
votes
1answer
267 views

How to create a notebook element that can replace itself?

I would like to create a notebook element that can replace itself. Here's an example to illustrate: ...