1
vote
0answers
52 views

How do I keep a random value associated with a locator point as points are added?

I have a Manipulate to which I am adding and removing Locator points (one of which is different from the others, though that is ...
4
votes
2answers
91 views

Clicking to add/remove a Locator

I would like to add a Locator to a figure displayed by Manipulate when I click inside the figure, at the location where I click, ...
2
votes
1answer
62 views

Change locator object appearance inside Manipulate

I have read earlier discussions of changing Locator appearance in Manipulate. I would like to change the rendered size of the locator object based on one of the manipulate variables. I can't get ...
3
votes
2answers
44 views

Avoiding RandomVariate update with use of Locator

I am preparing an activity that simulates the response from a noisy spectrometer. The function I use to generate the data has the form: ...
4
votes
4answers
190 views

Using Locators in a non-standard Manipulate code

I'm trying to adapt Nasser's method for using a control variable inside Manipulate to selectively choose what part of the code should be recalculated depending on the controls changed (see this ...
1
vote
1answer
112 views

Using Manipulate with a control variable for selective recalculation

I'm trying to adapt Nasser's method for using a control variable inside Manipulate to selectively choose what part of the code should be recalculated depending on the controls changed. I've also read ...
2
votes
1answer
73 views

Manipulating horizontal and vertical 'guidelines'

Is it possible to create an interactive plot that has drag-down / across horizontal & vertical guides a la Illustrator / InDesign? I would like to generate something like this: I would ideally ...
3
votes
3answers
194 views

Draw plot with locator & slider

I would like to create a plot whereby both the slider and the locator 'draw' the plot. In the following code, the locator & the slider act independently: ...
1
vote
1answer
95 views

Two-way locator & slider controls

I was wondering whether it was possible to have a two way control system, whereby one could click and drag both the locator (which would in turn move the sliders), AND click & drag the sliders ...
1
vote
1answer
89 views

Control multiple locators along a plot

Update 1 @ Michael E2, my effort - for what it is worth!: ...
5
votes
2answers
106 views

Using absolute locator coordinates in Manipulate

In this simplified code below, I'd like to display two plots within Manipulate, and use the Locator controltype to set the value ...
1
vote
1answer
123 views

Behaviour of Locator

I seek advice regarding the constrained behaviour of the Locator: appears confined to square {0,0}->{1,1}. When I change starting position it snaps to this constrained region. The code I am referring ...
2
votes
2answers
115 views

Manipulating several values from the same interval

Some of my calculations depend on the choice of several values from the interval [-2, 2] (it is more or less interpolation of a fixed function using the points as parameters). I want to create a ...
0
votes
1answer
57 views

Item Resizing when using Locators

I am having some difficulty in resizing a Stream Plot when using locators: Whenever I try to resize the Stream Plot, one of the locators instead moves to the cursor. ...
5
votes
2answers
245 views

How to dynamically update Locator[] constraints?

I need to visualize Menelaus' theorem for a triangle with moving locators for each of six points. So the vertexes of the triangle can move in any possible way, and the three points on the sides of the ...