Tagged Questions

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

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2
votes
2answers
174 views

How can I create CDF applications which adjust their screen dimensions based on the end-user's display configuration?

I am trying to make a CDF application that takes the user's system information (screen information) and adjusts the size of the application to give a seamless experience over different screens with ...
1
vote
1answer
192 views

Defining a user defined function in DynamicModule

How can I define a user defined function within DynamicModule? For example, if h[x_] := x^2 I want to find ...
0
votes
2answers
273 views

How to get the associated popup menu?

I have threePopupMenu and they work in such a way that second PopupMenu value depends on the value selected by the first ...
3
votes
1answer
294 views

How to improve this dynamic progress bar code

I created this progress bar to use in my codes: ...
1
vote
1answer
326 views

How to change the values dynamically in a grid

I am trying to write a function which creates a Grid which has no value in the starting and when some value is passed to it, it should show that value in that ...
2
votes
1answer
463 views

How draw dynamic empty rectangle over a bitmap?

I am trying to make a cookie cutter that will extract a small square from a much larger bitmap with a click of the mouse. The LocatorPane appears to be a useful way ...
6
votes
1answer
306 views

Efficient dynamic drawing

So for example I have this code: ...
4
votes
1answer
153 views

Transform sequential cell operations to programmatic workflow

Let's say I have a workflow that involves importing images and turning them into an animated gif. Here's how I currently have it setup: Import Images: ...
5
votes
1answer
218 views

How to convert String to an Expression inside Manipulate which depends on control variable

Normally, in Global context, these 2 are equivalent eqn = "r-x"; r = -2; Plot[ToExpression[eqn], {x, -5, 5}] and ...
5
votes
1answer
191 views

Control variable and body variable decoupling in Manipulate

This issue was raised as an offside problem in this thread. Consider the following example, that does not work as expected: ...
2
votes
2answers
522 views

Dynamically choosing which Manipulate controls to use

I have some stuff I would like to manipulate, using two different kinds of control, one at a time, using another variable as a switch. These controls are similar in principle to ...
7
votes
1answer
197 views

Prevent interdependence of controls

My question is probably best illustrated with this small sample code: ...
2
votes
2answers
305 views

How to get dynamic results of the values in three InputFields

I have three InputField-s which have no initial value. I would like all InputFields to have a value in descending order and for ...
5
votes
1answer
269 views

How to get state of checkbox?

Please explain how to get state of checkbox for its usage in further calculations. And I want to keep the selection from session to session without external savings. Thanks in advance
4
votes
3answers
192 views

Is it possible to replicate the “magic” of OptionPatterns[] with DynamicModule's local variables?

Creating richer interactive interfaces that are generated by a DynamicModule invariably requires more complex data structures and in particular, a larger argument ...
2
votes
1answer
78 views

`Trigger` autorunning when not supposed to

Recently I was trying to make something where one could vary the parameters and press play to see how the animation changed. However, when I tried running the code it would just start automatically. ...
13
votes
5answers
650 views

How are parameters evaluated for a Plot in Manipulate

I am trying to get my head around how Manipulate evaluates functions in a Plot. I have read the introduction to Manipulate, and introduction to Dynamic, but I still ...
0
votes
1answer
84 views

Retain values between sessions

This is a real newbie question, so apologies in advance for may seem a very dumb question ... I'm trying to understand the various ways in which information can be retained in a notebook between ...
2
votes
1answer
212 views

How can I change InputField value dynamically

I am storing the values from xlData to the result in a Grid form. I want when I change any of the value in any of the ...
17
votes
4answers
331 views

How to create Locator[] hierarchies?

I'd like to 'parent' Locators to one another, ideally organized in any arbitrary tree. The simplest case: If I have two Locators, A and B, then moving A will move both together, but moving B will ...
4
votes
3answers
377 views

Dynamic[] and Print[] [duplicate]

Possible Duplicates: Intermediate display similar to PrintTemporary Estimating progress on plots How to create a progress bar? How to determine how much of a table is generated? I'm ...
0
votes
1answer
132 views

Slow Dynamic Button Does Not Print [duplicate]

Possible Duplicate: Why do buttons with ChoiceDialog freeze the front end? Why is SystemDialogInput failing to return a save file path? Evaluation inside Button stops after some seconds I ...
3
votes
1answer
274 views

Can I create a dynamic number of rows in TabView through an iteration?

I have written code, with the help of stackoverflow of course, and I want to make it user friendly so that other people in my lab can use it. I'm playing with DialogCreate and similar functions. I ...
1
vote
2answers
184 views

How to compare the InputField values in For loop dynamically

I am using a For loop for printing five InputFields. The loop gets its values from the variable tx. I want to compare the values ...
4
votes
1answer
356 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
461 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
182 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
203 views

Problem with UpdateInterval

I want to monitor current results with Dynamic ...
17
votes
1answer
341 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
174 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
252 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
292 views

Basic question about Dynamic

Please consider the following: ...
0
votes
1answer
233 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
434 views

Unique[] symbol not properly tracked

In a nutshell, why does this work (change y and see how the value updates) ...
3
votes
2answers
303 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 ...
5
votes
2answers
267 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
646 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
209 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 ...
17
votes
1answer
537 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
641 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
374 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
1k 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
366 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
131 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
378 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 ...
18
votes
1answer
516 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
260 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
439 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
182 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 ...