Nextgen Raster Library Revision History
This page summarizes changes, fixes and enhancements to the NexGen RIP program.
v1.11 01/02/2018Software crash on specific GDSII file
The program was crashing on a specific GDSII file when trying to pre-allocate some storage for raster computations based on an estimate. The issue was fixed.
v1.08 03/28/2016New API Reference Documentation
The API reference documentation for the NextGenRaster product is now available.
v1.08 03/22/2016BMP Fix
BMP is written top down so that what you see is what you get in third party bitmap viewers.
v1.07 02/26/2016Bug Fix
very thin path-like polygons were being rasterized as thick rectangles (refer: badthin.gds) This has been fixed.
v1.06 02/17/2016New Feature - Dual DPI
This version supports independent DPI in the X and Y axis.New Nomenclature
The argument -greylevel has been renamed to -dither. This makes it clear that it produces a dithered monochrome output and not a gray scale bitmap output.
v1.05 02/12/2016New -fill argument
This new argument controls the method of "filling" polygons and paths.
-fill:solid - fills the edges and interiors of boundaries and paths with pixels at the specified density (default = 1)
-fill:outline - draws only the edges of paths and boundaries.
-fill:pathline - draws paths as 1 pixel lines connecting the vertices. Boundaries are drawn as if fill:solid were in effect.
-fill:pathpoint - plots only the vertices of a path at 1 pixel dots. Boundaries are drawn as if fill:solid were in effect.
Instructs the rasterizer to process the window or strip under consideration from right (max X) to left (min X). The default is to process the window from left to right. This argument is useful when supplying data to bi-directional lithography equipment.
v1.04 01/14/2015Licensing Update
Softkey Licensing was implemented.Linux Port
the various modules and calling engine were ported to 64 bit Linux.
v1.03 12/07/2015Bug Fix
The dither was not properly implemented when -inverse (polarity reversal) was selected.
Instead of a continuous fill, the user can now specify a dithered fill. The parameter varies from 0 to 1.0. This is not an 8 bit gray scale output but an approximation of greyscale using a Bayesian dither algorithm.
v1.01 01/14/2015Initial Release
The first release of Nextgen Raster Library.
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