Click the "Run" button in the macro IDE. A new 2.5D window will appear, rendering the section of the layout currently visible in your main viewer. Navigation and Controls
zz { ... } : This combines multiple z statements into a single display group for easier material management.
The 2.5D view respects your 2D layout settings. If you change a layer's fill color or hide it in the main viewer, it will update in the 2.5D window. klayout 25d view
The 2.5D view is only available if your KLayout build was compiled with OpenGL support .
Use the z function to define layer heights. Click the "Run" button in the macro IDE
Navigate to Tools > 2.5d View > New 2.5d Script . This opens the macro editor with a template based on the Design Rule Check (DRC) language.
Because semiconductor layers are often very thin relative to their width, the 2.5D view includes a on the right side of the window. Increasing this factor exaggerates the vertical dimensions, making it easier to see height variations that would otherwise appear flat. Advanced Visualization Features } : This combines multiple z statements into
A dedicated list on the right allows you to toggle specific material groups on or off, which is useful for "peeling back" upper metal layers to see lower-level transistor structures.
By exporting a net from the Net Tracer , you can visualize a specific electrical path as it moves vertically through vias and different metal layers. Colors in the 2.5d View - KLayout Layout Viewer And Editor
Unlike a true 3D viewer that might support arbitrary angles and curved surfaces, the 2.5D view in KLayout works strictly by taking 2D polygon layers and extruding them vertically. It cannot model complex process topologies (like conformal coverage) but excels at showing how different metal, poly, and diffusion layers sit on top of each other. Key Technical Requirements