speedometer | A lightweight circular indicator view library for Android | Android library
kandi X-RAY | speedometer Summary
kandi X-RAY | speedometer Summary
A lightweight circular indicator view library for Android.
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speedometer Examples and Code Snippets
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Trending Discussions on speedometer
QUESTION
Imagine that a needle in the speedometer, which shows the speed, has fallen off.
It was reattached, but not at the right angle. So, although the speedometer showed the value of the current speed
v, its actual value wasv+k, wherekis an unknown constant (probably also negative). So we started keeping honest records of the trips we made to find out the value of the mysterious constant k.Input:
The first line of the input contains two integers:
n(1 ≤ n ≤ 1000), which represents the number of parts of a single run, andt(1 ≤ t ≤ 10^6), which represents the total run time.This is followed by
nlines, where each describes one part of the trip that we recorded. Each line contains two integers:s(1 ≤ s ≤ 1000) andv(|v| ≤ 1000), the distance and speed indicated by the speedometer with the needle stuck on during that part of the journey. Keep in mind that even though the speedometer needle on the glove box may have negative readings, its actual speed was always greater than 0 during every part of the trip. The time is given in hours, the distance in kilometres and the speed in kilometres per hour.Output:
The problem is to find K. The mysterious constant k given in kilometers per hour.
Example of Input:
...
ANSWER
Answered 2022-Apr-02 at 16:47All of this was mentioned in comments, but it's not clear...
If you guess a value for k, then you can determine how long the whole trip would have taken if that guess was correct:
Total time T = distance1/(speed1+k) + distance2/(speed2+k)...
If this total time is more than the actual total time given in the problem, then your guess is too small (you went faster than you guessed). If the guessed total time is less than the actual total time, then your guess is too big (you went slower than you guessed).
With the ability to make and test these guesses, you can play the higher/lower game to narrow down the range of possible k values until you get as close to the real value as you want.
You can't necessarily get to the exact value, which is why this could be called an approximate algorithm. But the numbers we work with also have limited precision, so they probably can't even represent the exact value. You can easily get one of the closest representable values, which is just as good as an "exact" calculation.
The algorithm for playing the higher/lower game is called "binary search". It's a little tricky with doubles, so I'll write it out. Given a function isTooHigh that tests a guess for k, you can do it like this:
QUESTION
I trying to do speedometer by filling stroke with linear gradient. When stop offset is 0%, white line appears at the beginning of the path. How can i get rid of it? In additional, i'm not sure that filling stroke with linear gradient is the best option to fill svg path. Do you have better ideas?
...ANSWER
Answered 2022-Feb-15 at 00:11A common approach would be to render your current value/speed by setting/changing the stroke-dasharray attribute.
Let's say your "speed limit" is 300 km/h.
Apply the pathLength attribute to your path.
This way you could easily display a current speed e.g 50 km/h like so:
QUESTION
So as said above, I have (for fun) recreated a website (hologram.io), because I'm new to CSS, and just wanted to see what I can do myself without help... But I can't figure out how I can position the whole first section which is absolute (-> On top of an Image) center, center. So vertical and horizontal, So that on bigger screens it always stays perfectly in the center of the menu... On the other sections which are not absolute, I used display: flex, justify-content: center and align-items center, which works perfectly... On the screenshots I have included, you can see the problem... Also, will include the code. It looks a bit messy, but should be fine haha...
Here you can see the noncentered Absolute item Here you can see the flex items which are perfectly centered on every screensize and And here for Refernce is the hologram website...
...ANSWER
Answered 2022-Jan-08 at 16:48Use this to your container[absolute] element
QUESTION
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ANSWER
Answered 2021-Nov-05 at 14:04is your API gateway set up as a Proxy Lambda Integration or a Lambda Integration? Each has a different looking Event structure which changes where the keys are located.
Log the event ( print(event) will work just fine for a test run) then hit your endpoint and see what the event structure looks like. That will tell you where you keys are supposed to be or if you have the wrong key value (Event structures dont get updated often but it does happen, and tutorial videos become out of date pretty quick)
The Event for a Lambda is (and indeed, all events in all of AWS) are just JSON objects. using python, that directly translates to a Dictionary so having the right key structure can be a little weird to figure out because documentation on what various Events look like in the AWS Sphere are scattered througout the documentation and hard to find.
I usually keep a lambda on my console that all it does is print(event) then hook it up to whatever trigger I am trying to use at the time so i can see what it looks like nice and clear.
QUESTION
I have this error when I deploy my project to Heroku. It works in Local. I got this error after taking this Nav Bar from TalwindUI
https://tailwindui.com/components/application-ui/navigation/navbars
...ANSWER
Answered 2021-Nov-01 at 22:13I had multiples package.json files (server and client in my mono repo). The problem was mismatched versions of react and react-dom. I resolved the problem by removing duplicate dependencies in both files and made sure to use the same version.
QUESTION
I am currently using the SyncFusion Flutter Radial Gauge. I have assigned the GaugeTitle, and it appears at the top of the screen. I wanted to know how I can move it down so that it can appear right above the gauge. Here is my code:
...ANSWER
Answered 2021-Oct-27 at 11:03You can wrap Text widget inside stack and place it wherever you want.
QUESTION
I have an analog speedometer image, with the needle pointing to the current speed. I am trying to find a way to get the speed that the needle is pointing out to. I tried using HoughCircles() from OpenCV, but it is throwing an error as the image contains only speedometer and which is a semi-circle. Any resources to help me move forward will be appreciated.
...ANSWER
Answered 2021-Aug-13 at 13:26Assuming the needle will have a different colour to the rest of the speedometer OR its size is distinctly larger than the rest of the elements on the speedometer (which is often the case), I'll do something like below.
- Convert the image to grayscale.
- Apply colour thresholding (or size-based thresholding) to detect the pixel area representing the needle.
- Use HoughLines() or HoughLinesP() functions in OpenCV to fit a line to the shape you detected in Step 2.
- Now it's a matter of measuring the angle of the line you generated in Step 3 (example provided here: How can I determine the angle a line found by HoughLines function using OpenCV?)
- You can then map the angle of the line to the speed through a simple equation (Will need to see an image of the speedometer to generate this).
let me know how it went.
QUESTION
I am trying to use this gauge as a speedometer or tachometer. Right now it acts more like a fuel gauge. I am finding changing the colors challenging . The code is not well commented. If there are better ways to go about this, better coding tools, libraries and methods to create an assortment of animated gauges, I am interested. I am running this on the latest Debian using Python 3.7 . Any ideas are much appropriated. It is taking data from the USB port. I added random routine as well.
...ANSWER
Answered 2021-Jun-20 at 15:03The color of the gauge is defined by the line
QUESTION
I'm working on an admin app and I'm currently trying to hide some routes depending on the role of the
admin. for some unknown reasons the template is rendering before the subscription is resolved.
I tried wrapping the template with ng-container, still getting the same error.
...ANSWER
Answered 2021-Apr-14 at 10:09As stated in
https://angular.io/guide/structural-directives
https://angular.io/api/common/NgIf
The asterisk, *, syntax on a structural directive, such as *ngIf, is shorthand that Angular interprets into a longer form. Angular transforms the asterisk in front of a structural directive into an that surrounds the host element and its descendants.
Reference :
https://stackoverflow.com/questions/44837756/why-ngif-doesntwork-with-ng-template
You can use it as:
...
QUESTION
I am trying to create a simple bullet function in which am shooting bullets vertically. No bullets seem to be drawing in the program Help would be much appreciated.
...ANSWER
Answered 2021-Mar-27 at 12:03You are drawing all the Sprites in the all_sprites Group:
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