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movisio/jtsk-converter
======================

Converter between JTS-K and WGS84 coordinates

1.0.2(6y ago)13.2k↓64.8%MITJavaScriptPHP >=5.4.0

Since Feb 18Pushed 6y ago1 watchersCompare

[ Source](https://github.com/movisio/JTSK_Converter)[ Packagist](https://packagist.org/packages/movisio/jtsk-converter)[ RSS](/packages/movisio-jtsk-converter/feed)WikiDiscussions master Synced 3w ago

READMEChangelogDependenciesVersions (4)Used By (0)

JTSK coordinates converter
==========================

[](#jtsk-coordinates-converter)

### Conversion example in Python

[](#conversion-example-in-python)

```
converter = JtskConverter()
latlon = converter.jtsk_to_wgs84(1104335.13, 707849.38)  # returns dict {'lat', 'lon'}
jtsk = converter.wgs84_to_jtsk(49.582556081943, 15.015852481984)  # returns dict {'x', 'y'}
```

### Conversion example in Javascript

[](#conversion-example-in-javascript)

```
var converter = new JTSK_Converter();
var wgs = converter.JTSKtoWGS84(1104335.13, 707849.38); // returns object {'lat', 'lon'}
var jtsk = converter.WGS84toJTSK(49.582556081943, 15.015852481984); // returns object {'x', 'y'}
```

### Conversion example in PHP

[](#conversion-example-in-php)

```
$converter = new JTSK\Converter();
$latlon = $converter->JTSKtoWGS84(1104335.13, 707849.38); // returns array ['lat', 'lon']
$jtsk = $converter->WGS84toJTSK(49.582556081943, 15.015852481984); // returns array ['x', 'y']
```

Live demo
---------

[](#live-demo)

Check a [live demo](http://vast-brushlands-3412.herokuapp.com/jtsk/) for examples of conversion accuracy

###  Health Score

29

—

LowBetter than 57% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity22

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity54

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~3 days

Total

3

Last Release

2311d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/4b17d4000958913c3b2c477a979832a974da7264194a29da6e4ce127802f9049?d=identicon)[Kocicak](/maintainers/Kocicak)

---

Top Contributors

[![josefzamrzla](https://avatars.githubusercontent.com/u/1045613?v=4)](https://github.com/josefzamrzla "josefzamrzla (14 commits)")

---

Tags

converterwgs84JTS-K

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