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

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2
votes
1answer
89 views

How do I make an EventHandler non-responsive to MouseMoved after a mouse click?

Consider the following code. After evaluating it, when I move the mouse over the output text, it prints 1, and when I click the mouse on ...
29
votes
1answer
329 views

Quickly look-up usages, options and attributes of symbols

When I'm writing code in the front-end, I find myself very often looking up the list of options of a symbol over and over again in the documentation center. In most cases you find there a list of ...
1
vote
2answers
234 views

How to make a Tooltip display dynamic based on a parameter value?

If k=3, then I would like the following to say "Sine Curve, k=3" when you hover over the output of the Tooltip command: ...
2
votes
3answers
153 views

How to change FieldSize to be the same as dropdown menu width in PopupMenu?

I've tried the following code to change the FieldSize but I can't make it equal the actual value of MenuSize and I tried to ...
1
vote
2answers
131 views

How to edit InputField while using EventHandler?

I try to edit InputField while using EventHandler's MouseClicked, but the ...
7
votes
2answers
279 views

How to efficiently get the value from form UI built with dynamic InputField

Here is the code that I used to make a tabular UI. ...
21
votes
3answers
857 views

Does Mathematica have a built-in date picker?

Does Mathematica have an interactive date input control that lets the user choose a date by browsing to a calendar view and returning the selected date as a date list? For example, something like the ...
1
vote
1answer
128 views

Changing the number of locators with SetterBar

Typically when adding locators I would use a button i.e. something along the lines ...
13
votes
1answer
232 views

Why does a variable become real when using the second argument of Dynamic?

Version 9, on Windows 7. Please compare these 2 very simple examples Manipulate[ x, Row[{Manipulator[Dynamic[x], {0, 10, 1/100}]}], {{x, 1}, None} ] and ...
4
votes
2answers
161 views

How to execute a function each time the slider is dragged?

I've created a function f and a slider: Slider[Dynamic[y],{1,4}] How to execute/call f ...
2
votes
1answer
155 views

How to control dependent PopupMenus?

I created three interdependent PopupMenus with names demographic, region and ...
6
votes
3answers
333 views

Simple blink comparator for two images

I tried to build a simple 'blink comparator' - where you can click on an image repeatedly to switch between two similar images. (An old-fashioned notion in the days of powerful image processing ...
7
votes
1answer
198 views

Can I select or implement a Manipulate bookmark from an arbitrary control?

I understand how I can select a bookmark from the "+" menu of a Manipulate. Is there a way to select a bookmark from an arbitrary control, or define a control that ...
4
votes
1answer
261 views

Execute code when file is modified

I have a function the takes some time to complete. The function imports data from a .csv, parses it, and plots certain vectors from there. The .csv is constantly being updated from an external ...
4
votes
4answers
144 views

Make a slider controlling a generated character's code value

If I execute the following code: char = 97; Slider[Dynamic@ToExpression@FromCharacterCode@char, {0, 5}] the slider will fail to change the value of ...
21
votes
2answers
820 views

Why animator smoothes dynamic updates, or how to make pacman drink beer

How could I make a pacman drink beer in Mathematica? This is what I have so far ...
6
votes
1answer
196 views

Dialog inside Dynamic Module

The following doesn't appear to work: DynamicModule[{}, Button["Press Me", ChoiceDialog["OK or Cancel?"]]] When I press the button labelled "Press Me", a dialog ...
9
votes
2answers
275 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 ...
5
votes
1answer
343 views

Progress indicator with shared variables

I'm trying to create a custom progress indicator for a parallelized computation, using Dynamic and SetSharedVariables to display ...
12
votes
2answers
732 views

How to extract the numerical value of a dynamical variable

I want to inspect interactively an image by selecting points by the mouse pointer. This is easily done by LocatorPane - here is a simplified example: ...
4
votes
3answers
206 views

How can I create a custom control which evaluates to a list of values or replacements?

I have a set of variables which are used in various places in my calculations (solving a system, initial conditions, etc.). In order to make this easier to deal with, I want to make a control-like ...
4
votes
1answer
220 views

Cannot calculate with Dynamic variables in a grid

This is a prototype of a grading scheme. In reality it is bigger. The 10 pts in initPtsPartA comes from the school. The output cell should be deployed as a CDF ...
10
votes
2answers
292 views

Mathematica Typing Effect

Here is a Typing Effect in javascript. I could only implement a very simple one: ...
6
votes
3answers
341 views

Locators in Manipulate not moving properly

I thought a simple Mathematica kerning machine (for adjusting the space between characters) would be interesting, but I'm having trouble with the locators. (There are a number of other questions ...
10
votes
2answers
276 views

Dependent Manipulate sliders

I would like to use dependent sliders in Manipulate. First slider K0 should be independent and varied from ...
2
votes
2answers
159 views

Updating a tracked symbol inside Refresh?

I have some code inside a Manipulate, whose goal is to allow the user to edit the upper half of the matrix while keeping it symmetric at all time. The minimal code ...
3
votes
1answer
185 views

Having Dynamic evaluated when off screen

As the title says, I want a cell containing the dynamic solution of a DAE-System to be available over the whole document. I use a lot of different Plots and Sliders scattered over the document and it ...
1
vote
2answers
591 views

Manipulating PlotRange

Currently, I am working with some dynamic simulations of mechanical/electrical systems (in this case a kitchen scale). The main simulation is running smoothly but while building a nice GUI around the ...
9
votes
2answers
173 views

What is the point of Refresh if Dynamic has an UpdateInterval option?

I haven't found an example where I can't get rid of Refresh[]: ...
2
votes
2answers
123 views

How to display only a certain part of the content in a Panel?

I have a Panel of size {850, 400} as myPanel with a Pane of size {450, 400} and four images ...
6
votes
1answer
307 views

Using more than one set of Locators in a Manipulate

I need to add locators dynamically to different sets. With one set this works OK: ...
3
votes
1answer
151 views

How can I allow a user to input a list using parentheses and convert this to Mathematica notation dynamically?

I have the following dynamic module. It works. The problem is that whenever I try to make the variable list or the variable s dynamic the code doesn't work. My goal is to allow students to enter a ...
8
votes
1answer
548 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 ...
0
votes
0answers
66 views

How to create a dynamically self-updating table of content for a notebook? [duplicate]

Possible Duplicate: Generating a table of contents How to create a dynamically self-updating table of content for a notebook? The TOC should contain the titles for the section, subsection, ...
6
votes
2answers
273 views

A good way to manage code in a complicated CDF?

When doing complicated programming in a Mma notebook I define several functions that I use in my higher level funtions, and I use a "Subsection" cell for each definition. For example I might write: ...
6
votes
2answers
306 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 ...
4
votes
1answer
426 views

Emulating a button push or a mouse click with Mathematica code

I need to perform a long action with a button. I tried setting the DynamicEvaluationTimeout, but it seems it doesn't work for me. So I want to try using several ...
2
votes
1answer
220 views

Defining a function that handles Dynamic arguments similar to Built-ins

Firstly please note that I'm using simply Dynamic behavior to illustrate my question, I'm not asking how to move a Disk or make ...
5
votes
1answer
395 views

Enabled option for slider in Manipulate not updating dynamically

In a Manipulate expression I have a slider control which has the Enabled option ...
7
votes
3answers
254 views

Wrapping EventHandler by Table

I am making a grid on the screen. The grid is composed of different expressions. I want all of them to have a Gray background, which turns into a ...
5
votes
1answer
276 views

“Masking” an InputField

In building an assignment for my class, I would like set up an InputField, where they will enter a function. I was wondering if there was a way to "continuously" check if their function is being ...
4
votes
2answers
181 views

How to set the timeout of the preemptive link?

I apologize if this is a RTFM question, but I couldn't find this in the docs. How can I set the timeout of the preemptive link? For example: ...
7
votes
1answer
189 views

How can I have interruptible computations inside a manipulate?

Here's a perfect example of my problem: Manipulate[Pause[n], {n, {1, 10}, ContinuousAction -> False}, SynchronousUpdating -> False] It is illustrated by ...
2
votes
2answers
173 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
272 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
292 views

How to improve this dynamic progress bar code

I created this progress bar to use in my codes: ...
1
vote
1answer
323 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
305 views

Efficient dynamic drawing

So for example I have this code: ...