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Qckvu3 Plug Ins

Qckvu3 supports a C++ plug-in architecture allowing users and third parties to develop custom applications on top of the layout viewer platform. The plug-in interface is available on Windows and Linux -- both 32 and 64 bit.






Available Plug-Ins

Plug-ins are listed below with links to pages that show their function in more detail.


Extract GDSII - This plug in enables a user to define a window and extracts everything crossing that window to a new GDSII file. The user can choose whether to have crossing entities clipped at the window edges.   Smart Die - This plug-in scans the pad openings of a die and finds the pad centers, pad sizes. It also numbers the pads (CW or CCW) and can associate test labeling the pads with the signal/net name. The output is an ASCII file in AIF format.
 
CSV Reader - This plug-in reads a CSV delimited ascii file and uses it to draw markers or contours on the display. It was designed to display items such as DRC errors or hot spots over a display of the layout.   Geometry Walker - This plug-in opens a GDSII layout and also a GDSII file representing XOR slivers. It then allows the user to jump from sliver to sliver and zoom it quickly and automatically ...
 
HExtract - This plug in enables a user to define a window or polygon and hierarchically extract everything crossing that window to a new GDSII file. NEW - we've added a circular clip window specifically for wafer trimming ...   Metal Density Calculator - This plug in enables a user window a region in a layout and then computes the metal "density" or "area fill" in that region. Supports a circular window for full wafers.
 
NetTrace - an on-the-fly net racing routine that works directly from the GDSII/OASIS layout and stackup information.   Target Bitmap Acquisition - user defines the camera field-of-view and resolution; then clicks on a target or alignment mark. The bitmap is extracted along with the bitmap's coordinates.
 
3D Export - This plug-in enables a user to define a small XY window and to define a layer stackup for a GDSII file. It then extracts all data inside the window, applies the height and thickness information and creates a 3D output.   Target Coordinate Acquisition - This plug-in enables a user to click on a target, automatically finds the center and exports the coordinate to a file.
 

File Merge Overlay - This plug-in enables a user to load (by merging) two GDSII files and to view them simultaneously. Very useful for comparison or for other analyses ...

 

Design Rule Checker - A plug-in that would run several different design rule checks on a layout. This would include spacing rule check, minimum line width check and enclosure check.





API OVERVIEW

The Plug-in developer has a wide range of API's that access both the layout database and control the viewer.


Open and Close Files - The API allows a plug-in to open or close a layout file for viewing.   Select Structure and Layers to Display - The API easily enables a plug-in to control the structure/cell to view and to turn on/off layers.
 
Identify Objects by Vertex - The API enable the plug-in to select a point and then pull up info on any object near that point.   Extract Data - The API allows the user to extract data by point or by window. Supports hierarchy with DXF and GDSII output.
 
Pan and Zoom - The API enables the plug-in to pan and zoom the display.   Draw - The API enables the plug-in to draw basic entities on the screen.



Programmer's Corner

Documentation and Sample code can be found below


PlugIn API Manual

This PDF file lists the data structures, classes and methods available to the plug-in author on Linux/Windows platforms. v1.1.5 May 28, 2009, 118 pp, 1.5 MB

  qckplugin.h.zip

The header file for plugins on Linux/Windows platforms. April 10, 2009. 11.2KB, 2.7KB zipped.



Linux

CSV Reader - This plug-in was developed as an example to show how to write a plug-in and how to do some simple interaction with Qckvu3. The PDF includes code and comments and one can contact us to get the code separately.
 

Windows

Polygon Window Extract - this simple Windows plug in demonstrates how to draw a window on screen and use it to extract all the polygons crossing the window to a simple file.

Hello World - this simple Windows plug in demonstrates the minimum API's needed to interface with Qckvu3 and just does a hello world.

Sample Template - this simple Windows plug in template demonstrates how to create a basic dialog box that interacts with Qckvu3.

CSV Reader - this simple Windows plug in reads a CSV (comma separated field) and jumps from location to location based on the info in the CSV file. A marker is drawn at the center of the window and layers can be turned on/off.







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