KLayout

## KLayout Highlights

### General

- Fast and accurate: fast loading and drawing

- Support of GDS and OASIS file formats with automatic uncompression of zlib compatible formats

- Full support of properties

- Full 64 bit support on Linux

- Extensible and configurable to a large degree by custom ruby scripts

- Integrated development environment for Ruby scripts

### Viewer

- Overlay capabilities: multiple layouts can be loaded into one window

- Very flexible layer configuration: many display options including choice of fill pattern and different frame and fill colors. Animation, transparency, dimming/highlighting ...

- Layer grouping: the display properties of a group of layers can be changed at once

- Advanced layer display attributes: layers can be named, they can carry additional transformations, select certain hierarchy levels or select shapes by their properties

- Copy and paste of layers attributes to other panels

- Drawing order: select the layer that is show on top

- Descend into hierarchy: show a cell embedded into it's context

- Flexible rulers: unlimited count, flexible display styles. Multiple templates can be configured, rules can be edited (move, delete, copy & paste)

- Shape and instance browsers

- Bookmarks, various zoom modes, mouse wheel support, screenshot function ...

- Undo/redo on layer properties, for rulers ...