glissando | A simple content slider for anything that needs to move | Carousel library
kandi X-RAY | glissando Summary
kandi X-RAY | glissando Summary
A glissando slider is created with 2 parts:. The slider component can be used standalone or directed. This is the simplest setup. Use control methods: next(), goTo({ index: 1 }), etcetera to update the model state. Application state is used to control the slider. An example of application state is a router with a unique page URL for each slide. When application state changes the current location id, the slider model will subsequently be updated. Examples for both uses are shown in the React and Mithril documentation sections.
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QUESTION
I try to create a glissando (smooth pitch rise) from a start note to an end note (java code below). I linearly rise from the start note frequency to the stop note frequency like this
...ANSWER
Answered 2020-Oct-11 at 18:58The problem arises because the adjacent pitches for each frame are too wide. The calculation for instantFrequency
is good, but arriving at a value by multiplying it by i
is dubious. When you go from i to i+1, the distance progressed is as follows:
QUESTION
In my app, I am drawing a wavy line to illustrate glissandos.
However, part of the 'wave' is getting clipped, as can be seen in the image.
Here is how I am creating the line.
- Create a wavy 'stamp' path
- Create a PathDashPathEffect object, passing in the 'stamp' path
- Create a path for the line (moveTo and lineTo)
- Set the paint style to STROKE
- Set the wavy style with Paint.setPathEffect
- Draw the line path
As Paint.setStrokeWidth will have no effect with a PathDashPathEffect object, I cannot use that to correct this problem.
Does anyone know why the start of my wavy line is getting clipped like this ?
More to the point, how to resolve this problem ?
Following Al's kind request, here is the code for drawing :
...ANSWER
Answered 2017-May-02 at 18:46Ok, here is what I have done to fix this problem.
It would appear that there is a bug in pathdashpatheffect in that it will render correctly if the "line" goes from top left to bottom right.
However, it will clip if the line goes up from bottom left to top right.
The solution to this problem is to set a stroke width which corresponds to the height of the stamp.
All works correctly now.
This could be an addition to official Google documentation ... perhaps.
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