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

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4
votes
3answers
332 views

Slow image manipulation

This is some extremely simple code that shows an image and manipulates a circle (that will be used to select a region of the image to analyze). All those Dynamics ...
1
vote
2answers
345 views

How to make a Dynamic Calculator to solve a quadratic equation?

Taking my first steps in the world of Mathematica Programming. The aim of my program was to modify Wolfram's dynamic calculator (which performs an addition subtraction and a product - in response ...
5
votes
3answers
263 views

Unexpected Setter Bar Behavior when Manipulate Nested in Dynamic Module

Consider this code: DynamicModule[{x, y}, x[t_] := t^2 + 5; y[t_] := t^3 + 5; Manipulate[Plot[fcn[t], {t, -5, 5}], {fcn, {x -> "Square", y -> "Cubic"}}]] ...
2
votes
1answer
166 views

Autoupdate Dynamic Variable and Selectable

Does there exist a technique to construct a Cell that allows you to both auto update a Dynamic variable and allows you select the code while the variable is being ...
0
votes
1answer
187 views

Initialization Cells in CDF

I am wanting to run about 15 pages of initialization cells in a CDF, but can't seem to do so. I have set the InitializationCellEvaluation to True and InitializationCellWarning to False, but it doesn't ...
13
votes
4answers
390 views

Button evaluation inside DynamicModule

Someone know why this Button works when clicked: ...
3
votes
2answers
102 views

Restrict MousePosition to specific Graphics object

I have a problem using MousePosition. I want to restrict the value returned by MousePosition to a specific Graphics object. ...
2
votes
3answers
195 views

Changing the Actions in EventHandler

I would like to be able to change which action specified events take depending on some condition. For example, I have established a SetterBar ...
4
votes
1answer
192 views

Manipulate Plot and control variables using multiple controls

Here's a simple Manipulate example: ...
4
votes
1answer
139 views

Change CurrentValue of a key press

I was wondering if there is a way that I could change the value of a key press such as Shift, Ctrl, etc. Normally, when nothing is pressed, the CurrentValue will ...
5
votes
1answer
173 views

Using the keyboard to interactively and dynamically specify coordinates in a grid (a la Battleship board game)

In Mathematica, it is possible to create a Table or Grid of \[Placeholder] boxes. For ...
0
votes
2answers
135 views

Using Button to display dynamic graphics

I have a DynamicModule with several graphic elements. I would like to create a button which would change a parameter and re-run the entire module. Say that we have ...
10
votes
3answers
517 views

Logarithmic slider

Is it possible to create a logarithmic slider similar to this one that responds to a change of the variable value? That is, when the slider is moved, the variable value should update. When the ...
1
vote
0answers
86 views

Using Dynamic to import the chronologically newest file in a directory [duplicate]

Imagine that I have a device continually and sequentially saving files to a specified directory on a Windows machine (such as [E:\ExampleDir]). Call this device a camera with some proprietary drivers ...
0
votes
1answer
96 views

How to transform a DynamicModule into a Graphic

I am generating a graph through a custom function using DynamicModule: graph1 = customFunction[a] If I try to do: ...
10
votes
1answer
178 views

TimeConstrained dynamic change of maximum time

I would like to run a time consuming function: TimeConstrained[f[x],maxseconds] and be able to change maxseconds during running (increasing or decreasing max ...
8
votes
4answers
403 views

Graphics can't be live and editable

Is there a way to construct an interface so that the Code and the Graphics remain in sync? For example I would like to be able to drag/drop and move around different shapes in Graphic while seeing ...
1
vote
1answer
168 views

Manipulate inside a function definition

I am writing a notebook where I have to configure several curves (using locators in manipulates). in order not to repeat the code, I would like to write a function that wraps a manipulate and returns ...
1
vote
1answer
135 views

Whats is the real difference between this two examples of using Dynamic with Grid

the question is relatively simple I think. This is the first example of the code which works: ...
2
votes
2answers
173 views

Adding Dynamic functionality to a Graph

I would like to make the edges and vertices of a Graph interactive, a simple demonstration is to change their colors: ...
5
votes
1answer
134 views

DynamicModule variables that retain values during code reloading

At times I'll find myself building a some interface component where I want to have some localized dynamic variables, and while testing I might realize that some bit of the code needs to change, which ...
1
vote
1answer
85 views

Performing operations on function lists

I am exploring the use of Dynamic variables for the ViewPoint and ViewVertical options in a ...
0
votes
0answers
36 views

I'm definitely giving an integer, but I get Nest::intnm [duplicate]

I am attempting to make a small interactive plot that displays the plot of Cos iterated its times. Whenever I try to evaluate my ...
0
votes
0answers
188 views

Is it possible to create an event handler for changes in values of variables?

I am creating a networking application in Mathematica that runs a non-stop simulation, and periodically receives new information from the remote server that affects the simulation. Whenever values ...
10
votes
1answer
188 views

Why is my rasterized graphic blank?

Consider the following code: ...
6
votes
3answers
189 views

Displaying a locator that moves smoothly and updates some dynamic variables

I want to select a point on a graph and display a function of the coordinates value. Asking here a related question I learned to use Setting. Consider the example, where I display the coordinate ...
1
vote
2answers
172 views

Locator following other locator in DynamicModule

I'm trying to create a dynamic environment where I specify, using two locators, the initial condition (position (x,y) and velocity angle (alpha)) of a 2D particle. To simplify, I'm assuming the ...
14
votes
1answer
239 views

Dynamic and LibraryLink: dynamic visualization of a simulation

I am asking this question to save some time and I am expecting answers only from people who have tried something like this before. (I realize that I could just try it and see if it works, but that ...
2
votes
3answers
250 views

How to Export the current graphic state of a dynamic module?

After manipulating the graphics in a dynamic module like this: Synchronizing manual rotations for multiple Graphics3D outputs? How do I get at the current graphic so that I can Export the image? ...
4
votes
1answer
201 views

Dynamic legends involving show

My question is how do I get dynamic legends (legends that turn data on/off) to work with Show? This is an extension of an old question here; How to dynamically toggle curves on/off in a crowded ...
1
vote
2answers
184 views

TabView: Reset some dynamic variable on tab selection

Given a TabView panel like this one TabView[{ DynamicModule[{x = False}, {Checkbox[Dynamic[x]], Dynamic[x]}], "foo"}] I ...
2
votes
2answers
190 views

Create list via checkboxes

I am trying to achieve the following: Three (dynamically updated) Checkboxes (a, b and c) can be toggled on or off individually. Depending on their status, a ...
1
vote
0answers
60 views

Abridging Lists of Equations within NDSolve, Manipulate [duplicate]

I have a pretty little NDSolve function that I've finally decked out with manipulatable (by sliders) coefficients, which changes the graph in real time. However, I ...
33
votes
2answers
611 views

How safe is the use of Block and Internal`InheritedBlock

For many questions on this site answers are given which suggest to use Block and, especially for more advanced topics, ...
4
votes
1answer
90 views

Question about usage of Style as Dynamic object

I saw a Dynamic snippet in this answer, which wrote ...
8
votes
2answers
1k views

Dynamic graph visualisation using JLink/Java and GraphStream

Visualising the addition of new nodes and edges to a graph to 'watch it grow' is to something Mathematica is not suited to by default. However this type of animation really helps convey the emergence ...
0
votes
1answer
128 views

Dynamic Updating CreateDialog Problem

In this code, one cannot close the dialog window: {TogglerBar[Dynamic[x], Range[5]], Dynamic[x], Dynamic[CreateDialog[x]]} If I use ...
1
vote
0answers
77 views

Comparing data sets with fade transitions (Code speed-up)

I am using the utility below for data comparison. However, with my real (more complex) charts the processing is quite slow, so setting the Pause time under ...
5
votes
2answers
725 views

Equivalent of MATLAB's “hold on” function

I'm making an animation where the number of iterations is known. I tried using Dynamic, as I prefer updating in real time over generating data before plotting. I ...
0
votes
1answer
133 views

Labelling Curves Using ListLogLinearPlot within DynamicModule (So Close)

I currently have a large number of time-series datasets in the form where the name and time-series transposed data, so I have a list of lists of names for datasets and their time-dependant data. The ...
4
votes
2answers
121 views

Refresh dynamic variable when used with Get

I came across this issue with a more complicated program I was working on. Suppose we have a volatile variable data: ...
1
vote
2answers
100 views

Automatically evaluating related cells

I have the cells: In[1]:= l = 2 + 2; In[2]:= l >= 5 After evaluating them: Out[2]:= False Is there a way to evaluate ...
8
votes
1answer
344 views

Manipulate slider unresponsive after suspend in Linux

I've tested Linux Mathematica versions 7-9 on various Linux distributions, with identical problem: after suspend/resume cycle my Manipulate controls (i.e. sliders&buttons) appear unresponsive, ...
2
votes
1answer
86 views

How can I find ,Which InputField was recently updated?

I have 4 InputFields.I want to find which InputField was recently Updated out of all ...
4
votes
2answers
135 views

Cusom PopupMenu file selector

Lately I come across what I think not uninteresting problem which is a good exercise for the usage of Dynamic. Assume you have files in a directory structure (a ...
0
votes
1answer
204 views

How to display data in a Dynamic Pane?

How to display data in a Dynamic Pane without exponents? Some data: data = Range[1, 1000]; Slider data has to be added to data: ...
1
vote
0answers
124 views

Problem with dynamic interaction between functions? [closed]

I have written two functions one for creating list of InputField ...
3
votes
2answers
143 views

Interactively Manipulate Code

Bear with me, I'm a noob; I simply want to create a radio button bar that selects whether I want to add or subtract two numbers: ...
1
vote
3answers
242 views

Dynamically filling matrix with a[[n,m]] = 1/a[[m,n]]

I'm building a square matrix, with 1s on the diagonal and elements in U the inverse of elements in L, which are random integers drawn from the sequence 1, ..., 9. Given the nature of the problem I ...
4
votes
1answer
137 views

How can I monitor and detect when a website has changed?

I'd like to detect when a website has changed, in particular when new products are announced on a site that doesn't change to often. Here's the code I wrote but I don't think it is perfect. Also the ...