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

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11
votes
1answer
279 views

Time range selector à la InteractiveTradingChart

I have time series data and I would like to interactively select a part of it. This problem is beautifully solved in the lower part of the InteractiveTradingChart command: I would like to be able ...
10
votes
4answers
365 views

Panning with Mouse

This is related to the question i just asked here but not the same. How could i create a manipulate that lets me move the graph to any position i want by clicking and dragging anywhere. Here is an ...
10
votes
3answers
307 views

Problem with UpdateInterval

I want to monitor current results with Dynamic ...
10
votes
3answers
497 views

Mathematica as a report generator

I would like to use Mathematica as a kind of report generator. I'm working in a Mathematica notebook and I want to handle Mathematica like this: 1) I want to define one cell as a text cell. In this ...
10
votes
2answers
436 views

How to draw the image of a circle under the action of a transformation of the phase flow?

How to draw the image of a circle $x^2+(y-1)^2<1/4$ under the action of a transformation of the phase flow for the equation $\dot{x}=y,\ \dot{y}=-\sin x$? Here $\dot{x}$ means $dx/dt$. Any help or ...
10
votes
2answers
368 views

Localizing variables within a Manipulate

I have a notebook with several examples of very similar computations, each involving the same variable/parameter names of the ingredients used in a final Manipulate....
10
votes
2answers
307 views

Mathematica Typing Effect

Here is a Typing Effect in javascript. I could only implement a very simple one: ...
10
votes
2answers
233 views

Synchronizing the camera view of multiple Image3D panels within a Manipulate interface

I'm trying to synchronize the camera view of multiple Image3D panels displayed within a Manipulate interface. A random 3D image ...
10
votes
3answers
955 views

What is the right way to construct DynamicModule

When I'm creating DynamicModules for CDF purposes I'm usualy basing on my experience with that, particular goal and content rather than on deep insight. I want to ...
10
votes
2answers
397 views

Restrict Sensitivity of Locators in LocatorPane

We can restrict the movement of locators in a LocatorPane as follows: In the following example, the first locator's movement is confined to the x-axis and the ...
10
votes
1answer
108 views

Evaluation leak from Dynamic in Button's action

a = 1; Button["Print", a++] Button["Print", Dynamic[a++]] Button["Print", Dynamic[a++];] Button["Print", {Dynamic[a++]}] Dynamic @ a The second ...
10
votes
4answers
541 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 ...
10
votes
2answers
314 views

Update only one element in a dynamic grid?

I've got a grid of buttons that each display an image from an array. When a button is clicked, its image changes. ...
10
votes
2answers
263 views

Difference between action of a Slider and a HorizontalGauge

First time posting. I am working on creating some interactive materials for the engineering classes that I teach and have run into an issue that I cannot puzzle out. I am using a slider to allow for a ...
10
votes
2answers
310 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 ...
10
votes
1answer
213 views

Notebook's WindowSize interference with contents' Dynamic ImageSizes

Bug introduced in 8 or earlier and persists through 10.4.0 or later Consider the following MWE: ...
9
votes
6answers
467 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.)
9
votes
5answers
544 views

Manipulate Exp[I θ]+b Exp[-I θ]

I've uploaded an image showing a demonstration I'd like to create, but I definitely need help. There is a lot of talent on this list, so maybe someone can help me get started learning how to add ...
9
votes
2answers
2k 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 ...
9
votes
2answers
953 views

How To interactively create a Polygon in a Graphic?

Background: suppose I start with the following (working) snippet. Manipulate[Graphics[Line[{{0, 0}, p}], PlotRange -> 2], {{p, {1, 1}}, Locator}] Ideally, I ...
9
votes
2answers
381 views

AJAX-style HTTP calls triggered by a variable change

I'm trying to create a dynamic InputField that would autocomplete the address as I type it into the field, by calling Google Maps' GeoCoding API on every change of ...
9
votes
2answers
218 views

Checking from a preemptive evaluation whether a main evaluation is ongoing

How can I programmatically check from a preemptive evaluation whether a main evaluation is currently ongoing? I need a function mainEvaluationOngoingQ[] so that <...
9
votes
3answers
301 views

Problem with CurrentValue[“MouseOver”] when graphics are wrapped with Deploy

Bug reproduced in V9.0.1 and persisting through V10.4.1 Please take a look at following toy example: ...
9
votes
2answers
167 views

Passing an unevaluated part of an association to a function

I'm making a UI widget that controls sound volume on a speaker using a slider, e.g.: ...
9
votes
1answer
555 views

Oval or Bunimovich stadium

The dynamic billiard demonstration, that can be found on wolfram demonstrations (here), is only designed for an ellipsoid-shape boundary(snapshot below). The idea is to have a dynamic billiard with ...
9
votes
1answer
147 views

Clickable graph

Can someone help me to make a clickable graph? Graph[{1 -> 3, 2 -> 3, 3 -> 6, 4 -> 6, 1 -> 5, 5 -> 4, 6 -> 2}] I found that ...
9
votes
1answer
157 views

Tracking Initialization

How to track Initialization step by step? Any tricky solution is ok. One condition, x should be ...
9
votes
3answers
261 views

Asynchronous evaluation on EventHandler

How can I make this progress bar appears when I press Enter? The Button Evaluate works just fine, but when Enter is pressed it jumps the progress bar. It would be ...
9
votes
2answers
168 views

Dynamic cells after Kernel restart/quit:

After quitting the kernel only one Dynamic cell fires. And it does not matter how many are there. ...
9
votes
1answer
120 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 ...
9
votes
1answer
489 views

How to restrict the mouse cursor to stay within a box?

I'm trying to use Mathematica to write small games, and I find that it would help to restrict the player's mouse into the game window (just like other games do). Is there any way to achieve this? I'...
9
votes
2answers
780 views

What causes Manipulate to stop evaluating expressions?

I'm working on a N-body simulation within Mathematica, and currently I have something along these lines: ...
9
votes
1answer
812 views

The most simple Manipulate freeze the notebook on v10.1

I realize this won't be a particularly clear question. As I'm not able myself to find a pattern for the problem I'm talking about I won't be able to give enough informations to make it fully ...
8
votes
4answers
266 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
3answers
245 views

How to allow ContinuousAction on something that is not all

I have this code: DynamicModule[{r = 1}, Grid[{{Slider[Dynamic[r]], SpanFromLeft}, {f[Dynamic[r]], g[Dynamic[r]]}}]] While I move the slider, $f$ ang $g$ are ...
8
votes
2answers
742 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
1answer
380 views

I want to update a financial chart when I select a new stock from a popup menu

I have the following code: Read all the DOW jones financial instruments instruments = FinancialData["^DJI", "Members"] Then I create a dynamic variable called ...
8
votes
3answers
803 views

How to use custom Dynamic inside Manipulate

I was wondering if it is possible to use a custom Dynamic[var, function] inside a Manipulate. The reason for the need is this: ...
8
votes
1answer
699 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 ...
8
votes
2answers
135 views

Dynamic ClipPlanes calculated from current ViewPoint

(This is a follow-up question to the answer found here.) I would like to define a clip plane dynamically from the current ViewPoint of my ...
8
votes
2answers
377 views

Palette button with progress bar

Let's say you have a palette with a button that has to do some time-consuming task when clicked: ...
8
votes
5answers
778 views

How to save Manipulate bookmarks permanently?

I would like to save current Manipulate parameter values to load them again later. Bookmarks (previously discussed here and here) work fine until the cell is ...
8
votes
2answers
205 views

Is it possible to make a variable wrapped in Dynamic non-dynamic?

If I have a function call wrapped in Dynamic can I make one or more of the parameters in the call non-dynamic? i.e. I would like to make ...
8
votes
1answer
186 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
1answer
821 views

Prevent PopupWindow from opening multiple windows

PopupWindow objects can be clicked multiple times, opening multiple popup windows for the same object. How can I prevent this? A bit more detail: I have an ...
8
votes
1answer
110 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 ...
8
votes
1answer
182 views

Using GraphHighlight interactively

I want to build a small GUI, where the user can select either a single edge or a single node of a graph. I got to this point: ...
8
votes
1answer
340 views

Why do Tooltips slow down Dynamic so much? Is there a faster alternative?

I'm working on a Dynamic ListPlot with a few thousand plots, and it seems that wrapping the points with Tooltip slows the Dynamic responsiveness substantially. With the simple example below, dragging ...
8
votes
2answers
356 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 ...
8
votes
1answer
925 views

Creating self destructing notebook

Inspired by this post I've been trying to implement the idea in Wolfram with no success yet. I've come pretty close though and need some help. So I've managed to do this: ...