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

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6
votes
2answers
536 views

A command for outputting a list of parameter values in a Manipulate interface

I am looking for a command that will output a list of values that correspond to the current parameter values manually set on a particular Manipulate interface. For ...
5
votes
1answer
132 views

Is it possible to update Dynamic objects even when they are off screen?

I am using Dynamic and DynamicModule to display graphics/statistics generated from a long-running set of parallel tasks. The ...
5
votes
2answers
150 views

Button that starts an evaluation which is monitored with a progress indicator

I have a DynamicModule in which I which I wish to start an operation (actually import files) with a button. I would like to monitor the progress with a ...
5
votes
1answer
214 views

Make dynamic controls from existing list

I have a list of variables (c1,c2,c3,c4), each with its ...
5
votes
2answers
215 views

How to make DynamicModule work without an extra ENTER

I've been trying to learn more about DynamicModule (I do not use them, as I used Manipulate all the time). After some time ...
4
votes
1answer
305 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 ...
4
votes
4answers
939 views

How to change color dynamically?

I am new to Mathematica and want to change the FillingStyle Dynamically in this Plot. I want ...
2
votes
2answers
828 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 ...
1
vote
0answers
346 views

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

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 ...
1
vote
2answers
479 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 ...
11
votes
2answers
327 views

Make a button that evaluates a function over and over

I would like to have a command "RedoButton" which would make a button (or whatever control is suitable) that when clicked would print the value of a certain function over and over in the same place. ...
11
votes
3answers
570 views

Plot on command within DynamicModule?

Suppose I have a DynamicModule with all sorts of controls to set some parameters for a graphics object. ...
10
votes
4answers
480 views

Possible bug in Dynamic

The code below crashes the Mathematica kernel in version 10 (not in V9) every time I run it on Windows and on Mac OS. I've sent it to WRI, but was told that they could not reproduce the crash. Does ...
9
votes
1answer
114 views

How to synchronize the display of dynamic objects?

I was looking at this question, which asks to keep the orientation of some 3D graphics objects constant (relative to the viewer) while rotating the rest with the mouse. I thought that maybe the ...
8
votes
1answer
150 views

Dynamic does not update when wrapped in DynamicModule

I'm trying to wrap some dynamic code into DynamicModule to localize all the variables, yet when I do that, the variables stop updating. That does not happen if I ...
8
votes
2answers
739 views

What is special about 70.329862 and InputField and Number and Dynamic?

Is this a bug (happening in V9 and V10 Windows, Linux) or not? It only happens for certain numbers and you need Number in InputField. ...
8
votes
2answers
350 views

Strange behavior of CreateDialog's WindowSize option

Compare the two dialog windows, created by the same code except in the first WindowSize has a value while I omit it in the second one. Note, that ...
7
votes
3answers
208 views

Dynamically transform one Graphics to another

I would like to have two Graphics objects displayed side by side such that: they are mirror images of each other if I change the left-hand one interactively using ...
7
votes
1answer
161 views

How to inherit options by scoping?

Consider the following example: you have a function framed producing a cell with a button that, when pushed, calls framed again. ...
6
votes
0answers
137 views

Trouble understanding TrackedSymbols

While developing a relatively complex demonstration for Manipulate I encountered the problem that my output was unintentionally self-updating in an endless loop. ...
6
votes
2answers
209 views

There is an issue with Manipulate in which it updates its argument twice in V10

I have asked this question before (here) and I thought that the issue is only when moving the Notebook window. It appears that Manipulate is working in weird manner. ...
6
votes
3answers
482 views

Interpolation with boundary conditions

I'm working on a sales projection, trying to create some flexibility in handle the forecast using locators. The toy code is something like this: ...
5
votes
1answer
115 views

FlipView can't handle CurrentValue[“MouseOver”]. Kernel crash

Is this code crashing your Mathematica session? (it can so look out :P) ...
4
votes
2answers
154 views

Why does CreatePalette break my code?

I wrote some code to monitor the tasks that I'm doing - looks like this: Now it works just fine, but as soon as I wrap it up in palette it dies: Nothing updates.... I know there must be an easy ...
4
votes
1answer
120 views

How to restart a Clock

The code below is to demonstrate color afterimages. The user chooses a color, fixates the changing number at the center until it reach 30 (seconds), then manually switches to white to observer the ...
4
votes
2answers
189 views

InputField as both in- and output fields with ContinuousAction

Many years ago, I made a handy little program in Flash. It consisted of a number of input fields, each representing a variable that was dependent on all the others. As soon as any field changed, the ...
4
votes
0answers
218 views

Resources for Sound Synthesis & Design

Are there any resources for sound synthesis using Mathematica? This page, Mathematica: Audio Synthesis Software, refers to other software packages, e.g. Max/MSP and Csound, for real-time synthesis. ...
4
votes
1answer
231 views

How can I selectively trigger computations in Manipulate?

I have a Manipulate that uses RandomVariate and Random that I would like to have redraw and ...
4
votes
0answers
302 views

Front-end glitch when interacting with dynamic content

This is now bugging me too much to ignore it anymore. When I interact with a notebook that has dynamic content, for example moving a slider, Mathematica regularly brings other open notebook windows to ...
3
votes
1answer
86 views

How to have an Input cell that doubles as an Output

Motivation / examples: on a spreadsheet environment, each cell doubles as input and output. If we click on it, it shows the input; if we hit Enter, it shows the output; on this answer, I tried to ...
3
votes
2answers
154 views

Dynamically show usage

As the title states I would like to dynamically show ::usage on several functions. Let's consider two functions here: ...
3
votes
1answer
380 views

How to improve this dynamic progress bar code

I created this progress bar to use in my codes: ...
3
votes
1answer
265 views

LocatorPane, Dynamic and deleting locators

Compare the following two code snippets : Version 1 ...
3
votes
1answer
240 views

Avoid crash in recursive Dynamic

With the following Dynamic cell, I can reproducibly crash Mathematica, so do not try this unless you have saved all your work! ...
2
votes
1answer
257 views

Dynamically Updating Function

I use Mathematica 8 and am working with DynamicModule. I'm trying to enter a function in an InputField then later apply it to two values entered in subsequent Input Fields. The function just does not ...
2
votes
1answer
241 views

Render dynamic Graphics objects static

As was discussed in the comments of another question (MathLink Graphical Output (Plots) to File), Graphcis objects produced by commands such as ...
2
votes
2answers
771 views

Locator to show coordinates of plot

Old I would like to make the locator follow a plot, giving the coordinates as it moves. I don't really know where to start with this one, but I would like the dynamic plot to look something like ...
2
votes
1answer
163 views

Delay of events detection dependent of “MouseDown” position

Let's say we have a Rectangle with color which depends of CurrentValue["MouseOver"]: ...
2
votes
1answer
288 views

Dynamically updating interactive objects in Mathematica

Is it possible to create interactive code in Mathematica (via EventHandler[] or Manipulate[] perhaps) that continually updates some calculation based on external data in the time when no user input is ...
1
vote
1answer
109 views

ListPlot with checkboxes [duplicate]

I have imported data for several projects {prj1, prj2, ...} from an excel file, in form of {x,y} coordinates of points. I stored these data in variables and I would like to plot them, also having the ...
1
vote
2answers
75 views

Unintentional function memoisation via Dynamic

I needed to display edge labels of a graph in a way that allows the edge labels to be moved. ...
1
vote
1answer
264 views

Manipulate with variable number of sliders plus variable number of functions

I'm trying to setup a Manipulate where I have a variable number of sliders similar to this one, where every slider controls a function. In my case, there will be an additional slider which sets the ...
1
vote
2answers
114 views

Using Refresh to skip expensive computations

I have several variables in my DynamicModule and some parts of my computation depend only on subset of them. I am trying to use Refresh to "cache" values but can't ...
1
vote
0answers
64 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 ...
11
votes
1answer
287 views

Possible bug with second argument of Dynamic

Bug fixed in V 10. According to the documentation, Dynamic Details & Options section, especially: For interactive mouse operations ...
8
votes
4answers
249 views

Data Entry via 2D Graphic (formerly: 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}}: ...
8
votes
2answers
780 views

Switching off Dynamic updating on a cell by cell basis

Is there a simple way to switch off Dynamic evaluation for a particular cell? I usually delete the cell if it disturbs other evaluations or affects the performance ...
6
votes
2answers
86 views

How do I maintain notebook state variables between front end/kernel sessions, if those variables are set programmatically rather than via UI widgets?

I need to give a notebook a few simple state variables (counters) that will be saved with the notebook, persist across kernel restarts, etc. From what I've read, using variables defined within a ...
6
votes
2answers
148 views

Injecting list of controls into manipulate

I am trying to program a method to manually move around graph vertices, and then output the new coordinates. I'd like to turn this into a function that can be called with a variable number of ...
6
votes
1answer
228 views

How can I use Dynamic to run a script when a new file is added to a directory?

I have an external program saving files to some directory on my hard disc. I'd like to run a script that imports and runs a script on each file as it is added to the directory. Is there a simple way ...