zoomify | A jQuery plugin for simple lightboxes with zoom effect | Plugin library
kandi X-RAY | zoomify Summary
kandi X-RAY | zoomify Summary
Zoomify is a jQuery plugin for simple lightboxes with zoom effect. Check out the examples page:
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zoomify Key Features
zoomify Examples and Code Snippets
Lines of Code : 152License : Permissive (MIT)
Copy//Creates the map, tells it to display in the element with id of 'mapid' and sets a flat projection, as we are projecting an image.
var map = L.map('mapid', {
crs: L.CRS.Simple, //Set a flat CRS (Coordinate Reference System) projection as we ar Community Discussions
Trending Discussions on zoomify
QUESTION
I try to switch from zoomify viewer to OpenLayers. However, I did not manage to successfully load a zoomify image.
Here is the URL: https://get.microvisioneer.com/scans/oltest2_stackoverflow.html
It loads one tile (7-57-24.jpg) from TileGroup18 successfully but nothing is displayed on the page.
What am I doing wrong?
...ANSWER
Answered 2020-May-16 at 09:59You need to set up and open the view
QUESTION
I am trying to display a high resolution image in browser using openlayers 5. I found an example on how to use zoomify to create image tiles and render it using openlayers map. But I am unable to use it for my own image. I am completely new to this. The question I ask may be very trivial. Please bear my ignorance.
Example code - This is the example from openlayers website. I am trying to do the same with this image. I tried replacing the zoomifyUrl and iipUrl with my image url but it didn't work.
...ANSWER
Answered 2019-Jun-27 at 13:01To use Zoomify you need a server which supports the image served as tiles. The url you are using is a static image on flickr which OpenLayers would need to process as ImageStatic. Here is the code using the highest resolution image from flickr
QUESTION
import { Component, OnInit } from '@angular/core';
import {Map} from'ol';
import TileLayer from 'ol/layer/Tile';
import Stamen from 'ol/source/Stamen';
import View from 'ol/View';
import {transform} from 'ol/proj';
import Zoomify from 'ol/source/Zoomify';
import Projection from 'ol/proj/Projection';
const hongkong = transform([114.15769,22.28552], 'EPSG:4326', 'EPSG:3857');
@Component({
selector: 'app-own-tile',
templateUrl: './own-tile.component.html',
styleUrls: ['./own-tile.component.css']
})
export class OwnTileComponent implements OnInit {
map: Map;
width = 512;
height = 512;
constructor()
{
}
ngOnInit() {
let url = '/assets/jp2';
this.map = new Map({
target: 'map',
layers: [
new TileLayer({
source: url
})
],
view: new View({
center: [0, 0],
zoom: 0
})
});
}
}
ANSWER
Answered 2019-Jun-23 at 23:35The Layer object needs a "source" object from the OpenLayers lib, which in your case should be an xyz source:
QUESTION
I am building a image tiles based map using openlayer where I changed the projection to a custom one instead of default EPSG. I need the scale to show the correct scale according to my distance to pixel ratio and also need the measurements according to that scale.
I changed metersPerUnit to match my need for scale but it seems to depend on the extents.
1. How exactly is extent used to in scale?
2. I can see the scale value change when moved vertically on my map which should not be the case since its a flat projection. (I have the global set as true which I assumed should have fixed that. Am I understanding something wrong about global?
Measurements are still very different even after changing metersPerUnit which I guess is because I need to change the getPointResolution function also? But I added which does not seem to be working correctly. Measurements are still different.
ANSWER
Answered 2019-May-29 at 05:56After a lot of playing around, I solved my problem. Here are some insights that I learnt and are missing/hard to understand in documentation:
1. Extent imgHeight and imgWidth needs to be the size of full resolution image i.e. in the most zoomed level X-images * Tile-X-Width and Y-Images * Tile-Y-Width.
2. Resolutions added in TileGrid define the image url query where as resolutions in View only define the view resolutions. If they match(at some zooms), then images will be queries else the zoom will only be digital in nature.
So, if someone wants to use a deep zoom using OpenLayer with custom projection and resolutions along with correct projection and measurements- The following would be the code:
QUESTION
I would like to resize and split huge (1 TB) images to 256x256 pixel tiles (Zoomify / OSM / Google Maps / XYZ schema). Images would be in BigTIFF or PSB (Large Document Format or Photoshop Big) format.
What are the available libraries which can do this? I was having a look at GDAL but it was producing quite blurry output and I couldn't set it to interpolate better. Ideally I'd be looking at a Lanczos interpolator for such task.
Are there any native Python libraries, or wrappers for C based libraries which can do this? Can the Python wrapper for imagemagick do such thing?
If no Python library is available, I'm also open for command line based tools, which I can automate using Python.
...ANSWER
Answered 2019-Jan-24 at 12:23libvips can process huge (larger than RAM) images efficiently. It's a streaming image processing library, so it can (in this case) decompress, resize, tile, and write all at the same time, and without having the whole image in memory or needing any temporary files.
The dzsave operator will write a DeepZoom / Zoomify / Google Maps pyramid. You can run it from the command-line like this:
QUESTION
I'm trying to build a map for the game Guild Wars 2, but having trouble getting openlayers to handle the coordinate system correctly and render the map completely.
Here's a fiddle of what I have: https://jsfiddle.net/ndqb8rqx/
The Guild Wars world is square and 49152 pixels on both axes. The origin ([0, 0]) of the coordinates should be the north-west. The south-east should be [49152, 49152]. The developer of the game makes the tiles for the map available as a service: https://wiki.guildwars2.com/wiki/API:Tile_service
I created a Projection based on Zoomify to try to handle this:
ANSWER
Answered 2017-Dec-04 at 09:09The key to making this work is a custom tile grid definition, i.e. with the correct extent and maxZoom:
QUESTION
I have 2 images of different sizes (but tile size is the same). Images correspond to each other and I want to display them one on another the way that second image is upscaled to correspond first one. I use ol.source.Zoomify source for both of them and projections with transformations. But I even can't get second image displaying.
See the the sample http://jsfiddle.net/sk5cLj4n/37/.
...ANSWER
Answered 2017-Feb-22 at 09:01Here how it's solved http://jsfiddle.net/sk5cLj4n/41/
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