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

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3
votes
1answer
291 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 ...
16
votes
3answers
390 views

Creating a notebook that has cells of a certain style password protected

I am teaching students how to use Mathematica. I want to create a problem set that has cells with a certain style (probably Input or some new style that is a variant of Input) locked down so that the ...
16
votes
1answer
720 views

How can I share objects with dynamic content with non-Mathematica users?

Often when I construct some cool Manipulate[] function, I would like to share it with others—non-Mathematica users. Some software, notably Cinderella, ...
12
votes
1answer
253 views

Why is my rasterized graphic blank?

Bug introduced in 7.0 or earlier, and persisting through 10.0.2 or later (OSX 10.10.2) Consider the following code: ...
11
votes
2answers
536 views

Dynamic graphics are less responsive inside a Manipulate

I have some code which displays a GraphPlot and allows the user to click on any vertex in the graph to display some information about that vertex in a popup window. ...
4
votes
3answers
407 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 ...
4
votes
1answer
300 views

How to force Pane to always scroll to end of content? [duplicate]

Mathematica seems to know about the actual end of content position in a Pane if given large enough (but not too large$^1$) initial position value. Here, the ...
3
votes
0answers
67 views

Non-preemptive evaluation of a dynamic function? [duplicate]

I want to monitor a long calculation that is triggered by the release of a Slider. While one can indicate running calculations when the main evaluation loop is ...
9
votes
2answers
194 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 ...
8
votes
5answers
590 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
1answer
369 views

Way to find color at a point in a Graphics?

I need to figure out a way to find out the RGB color value at a certain coordinate in a Graphics object. The Graphics object I am dealing with is continually Dynamically updated, so it is made of ...
7
votes
3answers
517 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: ...
6
votes
2answers
290 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
371 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
2answers
194 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 ...
5
votes
1answer
152 views

How to make MousePosition more reliable

This takes a little patience to reproduce, but I got a screenshot of it in version 9 on Mac OS X 10.7.5: With a small Graphics object, it occasionally happens that ...
4
votes
1answer
197 views

Make dynamic controls from existing list

I have a list of variables (c1,c2,c3,c4), each with its ...
4
votes
1answer
258 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
1answer
197 views

Dynamically link cell content in Mathematica?

Is it possible to dynamically link the content of two cells? For example, can I set up a Notebook with two text cells that display the same value, and if the user types in one the other updates, etc.? ...
4
votes
1answer
132 views

How to speed up mouse events?

Grids of dynamic objects responding to mouseovers seem to be quite slow in general, for instance: ...
2
votes
2answers
616 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
2answers
69 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
2answers
409 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 ...
0
votes
0answers
242 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 ...
11
votes
2answers
270 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
467 views

Plot on command within DynamicModule?

Suppose I have a DynamicModule with all sorts of controls to set some parameters for a graphics object. ...
8
votes
2answers
319 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
2answers
179 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 ...
6
votes
3answers
398 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: ...
4
votes
2answers
129 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
4answers
681 views

How to change color dynamically?

I am new to Mathematica and want to change the FillingStyle Dynamically in this Plot. I want ...
4
votes
0answers
267 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
181 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 ...
3
votes
2answers
140 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
312 views

How to improve this dynamic progress bar code

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

LocatorPane, Dynamic and deleting locators

Compare the following two code snippets : Version 1 ...
2
votes
1answer
96 views

How do I constrain movement for lists of Locators using 2nd argument of Dynamic?

I need to display edge labels of a graph in a way that allows the edge labels to be moved. Locator seems the simplest and most obvious function to use. My ...
2
votes
1answer
189 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
188 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
472 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
140 views

Delay of events detection dependent of “MouseDown” position

Let's say we have a Rectangle with color which depends of CurrentValue["MouseOver"]: ...
1
vote
2answers
158 views

Is it possible to monitor the sum of squared errors in a NonlinearModelFit or FindFit procedure during the process?

Since fitting procedures using NonlinearModelFit (or `FindFit) sometimes take very long, I would like to monitor the sum of squared errors during the process ...
1
vote
1answer
206 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
0answers
61 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
2answers
424 views

Syntax highlighter shows error for Manipulate when it's inside a Block or a Module

I'm putting my new copy of Mathematica 10 through its paces and I noticed a weird change in the colouring scheme that I find very annoying, and I'd like to get some insight into why it's happening. ...
9
votes
4answers
575 views

Animate point go round a triangle

How can I animate a point moving on triangle sides? I can generate traingle and point but I have no idea how to define point movement. I'm guessing that I have to use sin and cos in coordinates but I ...
9
votes
1answer
257 views

Possible bug with second argument of Dynamic

According to the documentation, Dynamic Details & Options section, especially: For interactive mouse operations Dynamic[expr,{f_start, f, f_end}] typically ...
7
votes
1answer
120 views

Notebook's WindowSize interference with contents' Dynamic ImageSizes

Consider the following MWE: ...
7
votes
3answers
205 views

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}}: ...
6
votes
2answers
99 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 ...