Pan | light weight MV * framework to build android reusable UI | User Interface library
kandi X-RAY | Pan Summary
kandi X-RAY | Pan Summary
A light weight MV* framework to build android reusable UI components.
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Community Discussions
Trending Discussions on Pan
QUESTION
I have an Image composable where I want the users to able to zoom into a part of the image. For example, if pinched on the bottom left of the image then zoom into that the bottom left area and not the center of the image. And when zoomed in then be able to pan around the image if a single finger.
In my current code, I have the pinch to zoom in & out logic but it defaults to the center of the image no matter where the image was pinched And there is no pan logic to the image when zoomed in.
...ANSWER
Answered 2021-Oct-01 at 12:01There is currently not possible to do that with compose.
However i recommend you to interop with TouchImageView or similiar using AndroidView composable.
QUESTION
I have a dummy webpage with a chart, but when i scroll my wheel the slightest I zoom all the way in. How can i limit the amount of zooming in. I tried using limit options in plugins->zoom but it zoomed in again all the way in and couldnt zoom out after that. I use chartjs version 3.7.1, zoom plugin version 1.2.0 and trying this on chrome and edge browsers.
...ANSWER
Answered 2022-Mar-14 at 12:49This is because of your limits you set and the scroll speed. In your limits you told the x to go to max 10 and you made the scroll speed 10 times the default. Setting this to the default and removing the verry aggresive limit on the x axis it works fine:
QUESTION
I have a Json File which contains blog, when I am passing
...ANSWER
Answered 2022-Mar-10 at 17:44It appears you are using react-router-dom@6 so there are no longer any route props. In other words, props.match is undefined. Reading into props.match.params then throws the error.
Use the useParams hook to access the date route param.
QUESTION
I am loading one PDF on PDF view using the PDF kit library. I added one custome view (same like PDF Annotation) on pdf view, and I am allowing users to move/drag that custom view on pdf view(within pdf view/container view) using UIPanGestureRecognizer. Here is a gif,
If you see this gif, there is one problem. That custom view is going outside of the pdf page. I want to restrict it. The custom view should move/drag within the pdf page only. How I can fix this? Is there a solution for it?
Here is the link sample project and all code - https://drive.google.com/file/d/1Ilhd8gp4AAxB_Q9G9swFbe4KQUHbpyGs/view?usp=sharing
Here is some code sample from project,
...ANSWER
Answered 2022-Feb-09 at 07:51I would recommend PDFAnnotation rather that UIView for adding content onto the PDFView.
It is not so easy to compare a UIView's frame within a PDFView due to their coordinate systems being different.
Adding a PDFAnnotation to the PDFView works in sync with the PDF coordinate system whereas working with UIView, you will need to do some conversions between coordinate spaces and this can be tricky and not so accurate.
Here are some small changes I made to kind of get this to work with a view.
First in your SignatoryXibView I added this function to show a red border when we are close to the edge
QUESTION
It was working fine before I have done nothing, no packages update, no gradle update no nothing just created new build and this error occurs. but for some team members the error occur after gradle sync.
The issue is that build is generating successfully without any error but when opens the app it suddenly gets crash (in both debug and release mode)
Error
...ANSWER
Answered 2022-Feb-25 at 23:22We have fixed the issue by replacing
QUESTION
I am using Panzoom JS to zoom in on a map. It is working just the way I need it for zooming in and out on mobile and desktop. When you click on an item on the map, I grab the x/y coordinates relative to the top left of the container taking into account any scale applied, then look up that location/page in the database and open it. This all works great on desktop, but not on touch. I need to be able to catch the touch up location (just as if you'd clicked with a mouse) but only if there was no touch move, so I can distinguish between a pan/move, a pinch/zoom and a tap/touch-up (click). I can't find any documentation to work this out. Any help would be appreciated.
...ANSWER
Answered 2022-Feb-10 at 07:33Interesting, digging into panzoom a little, I can see you're managing three different sets of events:
QUESTION
We are using scatter plots in Plotly.JS to display 2D graph data over a large X range, so we use logarithmic scaling. Zooming and panning works very well, except for one small issue: the X tick labels are confusing because Plotly uses single-digit labels for minor (non-powers of 10) ticks:
I can use tickFormat: '0.1s' to show real numbers (which is what users want) instead of single digits, but then there are cases where these labels can overlap:
I can also add dtick: 'D2' which only displays subticks at positions 2 and 5 and not all digits, but this is then fixed and doesn't adjust to scaling any more.
Ideally, I could specify subtick-label digits where to skip the label (but not the vertical line) completely, without having to resort to tickmode: array and having to specify all tick labels manually, and still benefit from automatic tick adjustment depending on scaling.
For example, if all subtick digits are displayed, I would say I'd like to have tick labels at positions 1, 2, 3, 5, 7, the result would look like this:
The other display modes (digits 2 & 5 only, or just the power of 10) would not change. Is there a way to do this? If so, how? I'm not afraid of patching Plotly if required, but right now I don't know where to start looking.
...ANSWER
Answered 2022-Jan-31 at 14:01Usually I solve this by rotating the labels by some 35-45 degrees. That way they are all there and still readable.
https://plotly.com/javascript/reference/#layout-xaxis-tickangle
QUESTION
The Application was working fine until the installation of React-native-Reanimated library but has started to crash post installation when trying to debug remotely. It wouldn't even start again unless re-installed and shows this error:
Attempt to invoke interface method 'java.lang.String com.facebook.react.bridge.CatalystInstance.getSourceURL()' on a null object reference
The app was not starting but following the installation instructions in the React Reanimated docs got it to work but it now crashes every time I try to connect to a remote debugger.
...ANSWER
Answered 2022-Jan-13 at 06:25Okay so it seems like Remote Debugging is not possible after installation of reanimated 2, using Flipper for debugging instead
QUESTION
Scenario
I'm using unity c# to re-invent a google-earth like experience as a project. New tiles are asynchronously loaded in from the web while a user pans the camera around the globe. So far I'm able to load in all the TMS tiles based on their x & y coordinates and zoom level. Currently I'm using tile x,y to try and figure out where the tile should appear on my earth "sphere" and it's becoming quite tedious, I assume because of the differences between Euler angles and quaternions.
- I'm using the angle of
Camera.mainto figure out which tiles should be viewed at any moment (seems to be working fine) - I have to load / unload tiles for memory management as level 10 can receive over 1 million 512x512 tiles
- I'm trying to turn a downloaded tile's x,y coordinates (2d) into a 3d position & rotation
Question
Using just the TMS coordinates of my tile (0,0 - 63,63) how can I calculate the tile's xyz "earth" position as well as its xyz rotation?
Extra
- in the attached screenshot I'm at zoom level 4 (64 tiles)
- y axis 0 is the bottom of the globe while y axis 15 is the top
- I'm mostly using
Mathf.SinandMathf.Costo figure out position & rotation so far
I've figured out how to get the tile position correct. Now I'm stuck on the correct rotation of the tiles.
The code that helped me the most was found with a question about generating a sphere in python.
I modified to the code to look like so:
...ANSWER
Answered 2021-Dec-07 at 21:20For the positioning and rotation of the planes, you can do that in c#:
QUESTION
I just started learning React-Native, I have such a problem in my current project.
I am receiving Car part image from API, this image is png format, each part number is numbered in the picture, I also getting coordinates (coordinates(x,y), width, height) of each number. My aim is to give border and border color each number inside part picture
The problem is that these coordinates are calculated on a full-sized image, and do not match the image on mobile devices. Also the problem arises when enlarging the image, the existing coordinates are almost useless.
I will accept any offer which will give me the right point, Thanks
I want to achieve same result, but I have no idea how they are solving this problem into an existing project: link here
Reproduction Link: link here
...ANSWER
Answered 2021-Dec-27 at 12:07import React from 'react';
import { Animated, Dimensions, View, Image, Text } from 'react-native';
import ImageZoom from 'react-native-image-pan-zoom';
import { useState } from 'react';
const PinchableBox = () => {
const [scale, setScale] = useState('');
const transformScale = { width: 300/800, height: 300/500 };
// 800 is the actual image width and 300 is width shown in screen. Same for height.
/* Part number, coordinates(x,y, width,height) */
const [textPosition, setTextPosition] = useState({
x: 315*transformScale.width,
y: 80*transformScale.height,
});
const [showText, setShowText] = useState(false);
let partPosition = {
number: 1,
coordinates: [315, 80, 20, 20],
};
const checkIfClickLiesInAnyPart = ({ x, y }) => {
const tX = x/transformScale.width;
const tY =y/transformScale.height;
let c=partPosition.coordinates;
if(tX<=c[0]+2*c[2] && tX>=c[0]-2*c[2] && tY<=c[1]+c[3] && tY>=c[1]-c[3]) return {matchedWith:1};
return {matchedWith:false};
};
const handleClick = (e) => {
console.log('clicked', e);
const {matchedWith}=checkIfClickLiesInAnyPart({ x: e.locationX, y: e.locationY })
if (matchedWith) {
setShowText(true);
setTextPosition({ x: partPosition.coordinates[0]*transformScale.width, y: partPosition.coordinates[1]*transformScale.height });
} else {
setShowText(false);
}
};
return (
setScale(e.scale)}
imageWidth={300}
style={{ marginTop: 0 }}
onClick={handleClick}>
// put textbox inside ImageZoom so that it also zooms / moves with image
{showText && (
1
)}
);
};
export default PinchableBox;
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