PCB tools extension
===
PCB tools extension is a Python library to panelize gerber files.
This library is designed based on [PCB tools](https://github.com/curtacircuitos/pcb-tools) which provides cool functionality to handle PCB such as generationg PCB image from gerber files.

PCB tools extension adds following function  to PCB tools.

- Rotate PCB data
- Write back loded PCB data (original PCB tools does not work completely)
- Merge multiple PCB data
- Translate DXF file to gerber data

Only RS-274x format and Excellon drill format data can be handled by current version of this library.

## How to panelize
Following code is a example to panelize two top metal layer files.

``` python
import gerberex

ctx = gerberex.GerberComposition()

metal1 = gerberex.read('board1.gtl')
ctx.merge(metal1)

metal2 = gerberex.read('board2.gtl')
metal2.to_metric()
metal2.rotate(-20)
metal2.offset(30, 0)
ctx.merge(metal2)

ctx.dump('panelized-board.gtl')
```

```rotate()``` method can be used to rotate PCB data counterclockwise. you have to specify angle in degree<br>
```offset()``` method can be used to move PCB data. Specified offset values are interpreted according to unit setting of PCB data. In case of the above code, ```board2.gtl``` move to 30mm left since ```to_metric()``` is called.

In case of Excellon drill data, you have to use ```DrillCompositon``` instead of ```GerberComposition```.

```python
import gerberex

ctx = gerberex.DrillComposition()

drill1 = gerberex.read('board1.txt')
ctx.merge(drill1)

drill2 = gerberex.read('board2.txt')
drill2.to_metric()
drill2.rotate(-20)
drill2.offset(30, 0)
ctx.merge(drill2)

ctx.dump('panelized-board.txt')
```

## DXF file translation
You can also load a dxf file and handle that as same as RX-274x gerber file.<br>
This function is useful to generate outline data of pnanelized PCB boad.

```python
import gerberex

ctx = gerberex.GerberComposition()
dxf = gerberex.read('outline.dxf')
ctx.merge(dxf)
```
## Panelized board image Example
This image is generated by original [PCB tools](https://github.com/curtacircuitos/pcb-tools) fucntion.

<p align="center">
<img alt="description" src="https://raw.githubusercontent.com/wiki/opiopan/pcb-tools-extension/images/panelized.jpg" width=750>
</p>


## Installation
```shell
$ git clone https://github.com/opiopan/pcb-tools-extension.git
$ pip install pcb-tools-extension