[Artwork] / [QisMLib] / [Programmer's Corner]

Version History

2021-dec

qismlib package win64 1.19

qismlib package lnx64 1.19

• API support for QisMGbrip

qismgbrps dll 1.1 (beta)

• bug fix - load failed if QisMLib was initialized without logging (QisMLog not found)

2021-sept

qismlib package win64 1.18

qismlib package lnx64 1.18

qismgbrps dll 1.0 (beta)

• First release of the Gerber (RS274X) import extension

qismgbrip exe 1.0 (beta)

• First release of the console application to rasterize Gerber (RS274X) data

qismclipextract dll 1.12.1

• Improved rasterization where single pixel aberrations have been fixed
• Raster buffer is only re-allocated if the new image size greater than old or less than 2/3rd of the old

qismraster dll 1.16.1

• Improved rasterization where single pixel aberrations have been fixed
• Raster buffer is only re-allocated if the new image size greater than old or less than 2/3rd of the old

2021-aug

qismlib dll 3.30

• Ability to evaluate arithmetic expressions enclosed by [[..]] in script commands
• Ability to pass a list of parameters to script.call command

qismraster dll 1.15

• Multi-threaded TIF/TIF8 formatting for large disk images

2021-apr

qismscript exe 1.3

• Support for trusted licensing

2021-mar

qismraster dll 1.14

• New API and script for rasterizing paint & scratch data
• New API and script for rasterizing very large images straight to disk (because there is not enough system memory to hold the image)
• Limited support for trusted licensing

2021-feb

qismlib dll 3.29.1

• New logging API QisMLogV2 with extended logging control
• New utility script commands script.substr, script.tokenize , script.window_set_to_string
• Misc. API changes in QisMBool, QisMFile, QisMExploder etc.
• Support for trusted licensing

2020-sep

qismraster dll 1.13

• New API QisMRasterizerV4::Rasterize_px_window and script command raster.px_window to rasterize an exact window (without adjustments)

qismclipextract dll 1.11

• Ability to terminate clip extract during layer synthesis

2020-aug

qismlib package win64 1.15

qismlib package lnx64 1.15

2020-jul

qismxor2files exe 1.3.2

• Fixed a bug that caused an error if the layers to be compared do not contain geometries

qismlib dll 3.29

• Support for compressed GDSII (.gz and .Z) on Windows (was available on linux from the start)

qismraster dll 1.12

• New API QisMRasterizerV3::Rasterize_window_paint_scratch and equivalent qismscript command raster.window_paint_scratch to rasterize a set of layers representing paint and scratch polygons
• Fix for a bug in the window adjustment computation that could potentially introduce 1 pixel gaps between contiguous windows.

qismlib dll 3.28

• Much improved explcounter.break_window_by_crossing (QisMExplCounterV4::Break_window_by_vertcross) with a nearly constant memory footprint and multi-threaded operation

2020-jun

qismntrcapp exe 1.5

• Output GDSII file writes each net in it's own cell -- NET{number}

qismlib package win64 1.14

qismlib package lnx64 1.14

qismlib dll 3.27.1

• Relaxation of checks that prevented data grid from being too fine

qismraster dll 1.11

• bug-fix: raster queue API resource&license leak

qismlayersynth dll 2.7

• misc. bug fixes & memory leaks

qismclipextract dll 1.10

• misc. bug fixes & memory leaks

2020-may

qismhextract dll 1.6.1

• New script command hextract.select_dbu and new options to enable extraction to an output with a different grid, units

qismrtcr dll 1.4, 1.4.1

• Bug fix - adding annotations

2020-apr

qismlib package win64 1.13

qismlib package lnx64 1.13

2020-mar

qismgerber dll 1.1

• Mechanism to interrupt the loading of a Gerber file

2020-feb

qismboolfiles dll 1.3

• Support for scripting with QisMScript

qismhextract dll 1.6

• New API QisMHExtractV2 to create a database from an extraction of the source database
• New scripting commands hextract.create_db, hextract.destroy_db and hextractfile.save_as
• Support for clipping and extracting zero width paths

qismlib dll 3.27

• Ability to define and execute procedures in QisMScript
• New command script.if for conditional execution of commands
• New command explcounter.break_window_by_crossing for generating a density map and corresponding C++ api QisMExplCounterV4
• New API QisMLibV3 with support to make use of .load memory maps when loading a GDSII file and a corresponding script command lib.load_gds_with_mmaps
• The EXTENSION entries in the config. file can now contain relative paths or no directories at all in which case the location of those entries is implied to be relative to the location of the QisMLib dll/so

qismcorrx dll 1.3

• New script command corrxobj.correct_window_extents

qismlib package lnx64 1.12

qismlib package win64 1.12

qismrip exe 2.3

• New parameter option -format:VBMP for a bottom-top BMP image where only the header (biHeight) value is changed

qismraster dll 1.10

• New image format QisMRasterFlags::IFF_VBMP for a bottom-top BMP image where only the header (biHeight) value is changed
• New parameter option format=VBMP for the commands raster.create_params

clipextract exe 2.10

• New parameter option +format:VBMP for a bottom-top BMP image where only the header (BiHeight) value is changed

qismclipextract dll 1.9

• New image format QisMClipExtractFlags::VBMP for a bottom-top BMP image where only the header (biHeight) value is changed
• New parameter option format=VBMP for the command clip.extract_images

2020-jan

qismlib package win64 1.11

qismhextract dll 1.5

• Support for scripting with QisMScript

qismscript exe 1.2

• new commands sleep and askif

qismoasfilt dll 1.0

• First cut. Has QisMScript support

qismlib dll 3.26.3

• New set of script command bool.* for performing boolean operations on polygons sets using the QisMBool API
• New script command cadwriter.circle

qismlib package win64 1.10

qismgerber dll 1.0

• First cut

qismlib dll 3.26.2

• New set of script commands cadwriter.* for composing a GDSII/OASIS file

2019-dec

qismlib package lnx64 1.09

qismlib package win64 1.09

qismrtcr dll 1.3

• bug fix: top row of a raster image was blank
• New API QisMRTCRJobV3::Get_raster_image_opts as an alternative to QisMRTCRJob::Get_raster_image for specifying additional image options
• Script command rtcrjob.get_raster_image has a new option bottom_to_top

qismraster dll 1.9

qismclipextract dll 1.8

• bug fix: top row of a raster image was blank

qismlib dll 3.26.1

• New command script.window_set_to_file

qismlib package win64 1.08

qismlib package lnx64 1.08

qismcorrx dll 1.2

• Support for scripting with QisMScript
• QisMCorrXObj extended to V3 to retrieve the underlying QisMFile db

qismraster dll 1.8

• New API QisMRasterV3 to rasterize a queue of windows using multiple window threads
• New script commands raster.queue_mt, raster.get_pixelsize, raster.get_dpi, raster.compute_buf_sz, raster.compute_tile_sz
• Improvement - Rasterization of vertical manhattan polygons (stripes) was significantly slower than comparable horizontal stripes

qismclipextract dll 1.7

• Improvement - Rasterization of vertical manhattan polygons (stripes) was significantly slower than comparable horizontal stripes

qismscript exe 1.1

• Alternate way to define string variables at command-line {var_name}={value} instead of -set:{var_name}={value}

qismlib dll 3.26

• lib.load_file script command defines two new string variables {filedb_id}.grid which represents the file grid in meters and {filedb_id}.units which defines the file units in meters
• New script commands script.set and script.setif to define string variables
• New API QisMWinQ to run a multi-threaded window queue with any window processing operation defined by the client

2019-nov

qismlib package win64 1.07

qismlib package lnx64 1.07

qismlib dll 3.25.2

• Bug fix: Spatial queries failed for designed with large data extents because of an integer overflow in the construction of the spatial db
• New QisMScript command draw.image to render a view of the database to an image file on disk

qismlib dll 3.25.1

• New API QisMBoolXV2 for computing embedding levels for boundaries in a leonov data set

qismlib dll 3.25

• New API QisMExploderV3 to compute a density map (in form of tiles) based on the no. vertices contained within. This can be useful for efficient load sharing in multi-threaded queue operations
• Also provides a corresponding QisMScript command explcounter.break_window_by_vertnum

2019-oct

qismlib package win64 1.06

qismrtcr dll 1.2

• QisMScript command rtcr.create_rasterizer has been updated to support second level corrections
• New feature (QisMRTCRJobV2) to create a rasterizer object with the ability to apply second level corrections to every image generated by it

qismcorrx dll 1.1

• New feature (QisMCorrXObjV2) with the ability to compute corrections for arbitrary list of points and use an existing rasterizer (QisMRasterizer) (using the QisMRaster extension) to generate raster image from the corrected polygons

qismlib dll 3.24.4

• Bug fix: QisMExploder Get_vector_data thread resources were not being freed on Linux resulting in rise in the memory footprint

2019-sep

qismlib package win64 1.05.1

qismlib package lnx64 1.05.1

qismrip exe 2.2

• New option -bottom-to-top to control direction of rasterization along Y

qismraster dll 1.7

• New rasterization parameter to generate bottom-up image (reverse-y)
• Support for scripting using QisMScript

clipextract exe 2.9

• Support for bottom-to-top rasterization (reverseY)
• Misc. bug fixes

qismclipextract dll 1.6

• Support for bottom-to-top rasterization (reverseY)
• Support for scripting (with QisMScript)
• Misc. bug fixes

2019-aug

qismrtcr dll 1.1

• Misc. bug fixes

qismlib dll 3.24.3

• New API QisMWindowProbe and corresponding script command probe.window
• Misc. bug fixes

qismlib dll 3.24.2

• Misc. additions to QisMBoolSettings (qismbool.h)
• New QisMScript commands for branching and loops

2019-jul

qismrtcrclient exe 3.1

• Uses the QisMRTCR extension API

qismrtcr dll 1.0

• First cut

hextractor exe 4.2

• New option -layermap: to re-map/filter input layers

qismboolfiles dll 1.2

• New advanced arg ARGT_QISMBOOLOPTS for Booleanize_two_files so that the client can flavor the output of the boolean operations beyond what is permitted by the API

qismlayersynth dll 2.6

• New API QisMLayerSynthObjectV2 to facilitate advanced control of the results by specifying the QisMBoolSettingsV2 object
• Support for scripting via QisMScript

qismlib dll 3.24.1

• New QisMBool API (QisMBoolSettingV2 -- qismbool.h) with many more controls to flavor the results of boolean operations
• QisMBStore (qismbstore.h) extended with some utility functions
• New script commands for QisMFile, QisMExploder and QisMBStore

qismscript exe 1.0

• First cut

qismlib dll 3.24

• QisMScript. Built-in support for defining and executing script commands. Script commands can be executed by any application using QisMLib. Any code attached to the QisM system can also add commands. qismscript64.exe is a console app that can be used to run scripts

2019-jun

qismhextract dll 1.4

• QisMHExtractOpts extended to V2 to set layer offset for output

qismlib dll 3.23.1

• QisMExplCounter (qismexplcounter.h) has a new extension QisMExplCounterV2 to compute vertex counts up to the specified nesting level

2019-may

qismlib package win64 1.04

qismlib package lnx64 1.04

qismxor2files exe 1.3.1

• Fix: misleading error message when the execution was aborted (when the number of differences exceeded the specified limit)

qismrstrcmp2files exe 1.1

• Bug-fix: Raster compare two files crashed when cell names were different

qismraster dll 1.6

• Bug-fix: Raster compare two files crashed when cell names were different
• New API: QisMRasterWriter and QisMRasterV2 for creating an image writer that can write one or more polygons at a time

2019-apr

qismlib package win64 1.03

qismlib package lnx64 1.03

qismxor2files exe 1.3

• New options -layermapA: and -layermapB: to re-map layers in the two files so that the layers being compared have the same layer:datatype numbers

qismlib dll 3.23

• New API : QisMFileOut (qismfileout.h). A unified interface to write boundaries to disk as GDSII/OASIS (vector) or TIFF/BMP/RAW (images)

2019-mar

qismhextract 1.3

• QisMHExtractor extended to V2 to get human readable extraction report

qismlib dll 3.22.1

• Bug fix: QisMExplCounter::Get_counts_hierarchical crashed if the specified cell did not exist

2019-feb

qismlib package win64 1.02

qismlib package lnx64 1.02.1

qismrstrcmp2files exe 1.0

• First cut

qismraster dll 1.5

• Support for comparing two files (QisMRstrCmp2Files)
• Linux Build change -- the optimization flag in use -O1 was found to cause slower performance. -O3 fixes that issue

2019-jan

qismcorrections exe 1.0

• First cut

qismcorrx dll 1.0

• First cut

qismraster dll 1.4

• New API extension QisMRasterPolygonSetV2 to import polygons from QisMBStore

2018-dec

qismrtcrclient exe 3.0

• First cut

2018-nov

qismraster dll 1.3

• New API extension QisMRasterizerV2 with functions to generate multiple raster images from a preset cell, layers and overlay polygons on an existing raster image as well as enabling overlay via multiple rasterization calls

2018-oct

qismlib package win64 1.01.1

qismlib package lnx64 1.01.1

qismraster dll 1.2

• Bug fix: Significant jump in memory footprint if the raster window crosses polygon(s) that are significantly taller (along Y) relative to the window of interest

qismlib package win64 1.01

qismlib package lnx64 1.01

clipextract exe 2.7

qismclipextract dll 1.5, 1.5.1

• Major bug fix in the rasterizer that caused a steep rise in the memory footprint for polygons/paths that are extremely long along Y relative to the window/pixelsize in question

2018-sep

qismlib package win64 1.00

qismlib package lnx64 1.00

2018-jul

qismntrcapp exe 1.4.1

qismntrc dll 1.7, 1.7.1

• Compatible with QisMLib 3.20 (API break)
• This extension will not load with older versions of QisMLib
• QisMNtrcObject base class has been removed, New_object and Delete_object methods changed

qismlib dll 3.22

• New API : QisMLibV2::Set_working_dir to change the current working directory for the process using QisMLib
• QisMLibV2 is an extension to the QisMLib class. It can be obtained as follows QisMLibV2* v2 = (QisMLibV2*)(qismlib->QisMLib_cast(2)); If (NULL == v2) { //error: New API QisMLibV2 not supported }

qismlib dll 3.21

• QisMDrawFlag::IFF_BITMAP8 on Windows generates BMP data (previously DIB). BMP = DIB + BITMAPFILEHEADER so that the image data can be processed by one of the many .bmp processing functions

2018-jun

hextractor exe 4.1

• Compatible with QisMLib 3.20 (API break)

qismhextract dll 1.2

• Compatible with QisMLib 3.20 (API break)
• This extension will not load with earlier versions of QisMLib
• API to receive progress updates during extraction (QisMHExtractUpdate)

qismxor2files exe 1.2

qismboolfiles exe 1.2

• Compatible with QisMLib 3.20 (API break)

qismboolfiles dll 1.1

• Compatible with QisMLib 3.20 (API break)
• This extension will not load with earlier versions of QisMLib

qismrip exe 2.1

• Compatible with QisMLib v3.20 (API break)

qismraster dll 1.1

• Compatible with QisMLib v3.20 (API break)
• This extension will not load with earlier versions of QisMLib

clipextract exe 2.6

• Compatible with QisMLib 3.20 (API break)

qismclipextract dll 1.4

• Compatible with QisMLib v3.20 (API break)
• This extension will not load with earlier versions of QisMLib

layersynthapp exe 2.3

• Compatible with QisMLib 3.20 (API break)

qismlayersynth dll 2.5

• Compatible with QisMLib 3.20 (API break)
• This extension will not load with earlier versions of QisMLib

gds2dbload exe 1.6.4

• compatible with QisMLib 3.20 (breaking change)

dbload2gds exe 1.6.4

• compatible with QisMLib 3.20 (breaking change)

gds2dbload exe 1.6.3

• Fixed a minor memory leak

dbload2gds exe 1.6.3

• Fixed a minor memory leak

qismlib dll 3.20

• Break in backwards compatibility. All applications built with earlier versions of QisMLib MUST be re-built
• Method overloading removed from all classes because of incompatibilities with non-MSVC compilers on Windows
• To prevent accidental use with older QisMLib, QisMLib_initialize_once fn has been replaced by QisMLib_initialize_once_ext so that the run-time will fail immediately. The application does not have to call QisMLib_initialize_once_ext. They can continue to call QisMLib_initialize_once exactly as before. QisMLib_initialize_once is now a macro that redirects to QisMLib_initialize_once_ext

2018-apr

qismhextract dll 1.1

• Bug-fix: Loading the qismhextract64.so caused a crash because of invalid use of dynamic_cast

qismlib dll 3.12, 3.12.1

• Internal limit on the number of active files/exploders removed. These are not only contrained by the system resources (or licenses in case of exploders)

2018-mar

hextractor exe 4.0

• First cut

qismhextract dll 1.0

• First cut

qismntrc dll 1.6

• Bug-fix: In defining the stackup, it's OK to use a layer:dttp multiple times within the same order/expression. Previously, this caused an error. It's not OK to use layer:dttp across multiple order/expressions though

qismlib dll 3.11

• New licensed API QisMClipper (qismclipper.h) for computing interaction of boundaries and paths with a set of windows/regions

2018-feb

qismxor2files exe 1.1

qismboolfiles exe 1.1

• Enables QisMLib system-wide logging (QISM_ARG_LOGFP)

qismntrc dll 1.5

• Net_refresh_mt callbacks are sent even as nets are being computed. Previously, they originated only at the beginning of processing a tile

clipextract exe 2.5

• Enables QisMLib system-wide log (QISM_ARG_LOGFP)

layersynthapp exe 2.2

• Enables QisMLib system-wide logging (QISM_ARG_LOGFP)

qismlayersynth dll 2.4

• New LSynthNotify extension to check with the client if the layer synthesis is to be terminated

gds2dbload exe 1.6.2

• Enables QisMLib system wide logging (QISM_ARG_LOGFP)

dbload2gds exe 1.6.2

• Enables QisMLib system wide logging (QISM_ARG_LOGFP)

qismlib dll 3.10

• New API QisMLog (qismlog.h) for system-wide logging in QisMLib
• Some QisMLib_initialize_once options can be delivered by environment vars

2017-nov

qismxor2files exe 1.0

• First cut

qismboolfiles exe 1.0

• First cut

qismboolfiles dll 1.0

• First cut

qismntrc dll 1.4

• API Breaking change. Compatible with QisMLib 3.9

clipextract exe 2.4

• Compatible with QisMLib v3.9 (API break)

qismclipextract dll 1.3

• Compatible with QisMLib v3.9 (API break)

layersynthapp exe 2.1

• Compatible with QisMLib v3.9 (API break)

qismlayersynth dll 2.3

• Compatible with QisMLib v3.9 (API break)
• New feature LSynthSpec::Remove_partitions to remove thread partitions or not after boolean operations

qismlib dll 3.9

• Break in the API compatibility. All apps/libs using QisMLib 3.9 and it's extensions MUST be re-built using the new header files
• The temp. heade file qismlib_extras.h is no longer available. It's two 'C" functions have been incorporated into QisMFileLoadCtrl class (qismfile.h)
• Bug-fix: QisMBool boolean functions returned error if set A was empty. This has been fixed. Set A can be empty
• Extension to QisMExploder to explode boundaries and cell references

2017-oct

qismlib dll 3.8

• Bug Fix: Unloading files did not decrement the file index resulting in QisMLib reaching the max. number of files open

qismlib dll 3.7

• OASIS code is now optimized for multi-threaded use
• New function QisMFileLoadCtrl_ignore_text_scale and to force text scale to 0.0 upon load in order to avoid using text extents in the computation of cell extents just like OASIS
• New function QisMFileLoadCtrl_load_empty_refs to control if the empty refs are loaded. If ignore-text-scale is ON, the load-empty-refs becomes necessary for cells containing only texts since those cell's extents will become 0,0,0,0

2017-aug

qismntrc dll 1.3

• Bug fix: Possibility of a deadlock in the trace thread if the trace is interrupted

qismlayersynth dll 2.1

• Bug fix: Rounding error during conversion of double to int

2017-jul

qismntrc dll 1.2

• New API to define driver related METAL/CONTACT/DIFF in the stackup
• New API to enable/diable driver detection for any trace
• New API function to pre-compute optimal tiling parameters for a given file/stackup/cell
• New API to control when the net polygons are sent to the client - during trace (live, multiple threads) or after trace (default, single thread)

qismntrc dll 1.1

• New API to define a stackup
• Redesigned data processor resulting in 2x speed up
• Using a faster and more precise vertex counter for improved auto-tiling
• In point trace, if the seed layer is 65535, all metal layers containing the seed point are treated as seeds for tracing nets (Open point trace) potentially resulting in multiple nets

layersynthapp exe 2.0

• Support for a new post-fix layer synthesis expressions which is both compact and more efficient. This should be the best way to use layer synthesizer

qismlayersynth dll 2.0

• Support for a new post-fix layer synthesis expressions which is both compact and more efficient. This should be the best way to use layer synthesizer

qismlib dll 3.6

• Support for loading multiple files enables. API remains the same. Previously, QisMLib::Load_file unloaded the previously file automatically before loading a new file. Now, each call to QisMLib::Load_file creates a new QisMFile handle
• New QisMExplCounter function that uses hierarchical explosion to get counts much faster then the other method

2017-may

qismntrc dll 1.0

• First cut

qismlib dll 3.5.1

• Build error: Undefined symbol SystemInfo::Get_num_processors()

qismlib dll 3.5

• New extension api QisMBoolX
• Bug Fix: Multi-threaded access issues affecting QisMDraw::Redraw_image for XPM format
• Improvement: All methods accepting string parameters (lists) are immune to presence of spaces
• New extension api QisMExplCounter
• Bug fix: Error message for license failure

2017-mar

clipextract exe 2.3

• New: Support for layer synthesis via new commandline -lsynth: and making use of the extension qismlayersynth

qismclipextract dll 1.2

• New api QisMClipExtractV2 to extract clips of synthesized data using QisMLayerSynth

layersynthapp exe 1.0

• First cut

qismlayersynth dll 1.0

• First cut

2017-feb

qismlib dll 3.4

• Bug-fix : Get_vector_data (qismexploder.h) was returning true even if the client interrupted execution via callback return code
• New QisMLib_initialize_once arg (-qismcfg) to specify a config file other than qismlib.cfg or to not load any config at all
• Bug-fix: QisMLib::Load_file crashed if QisMLib::Unload_file was used to close the previous file
• Bug-fix: Undefined reference error for QisMDrawObject::Get_display_vector_data

2017-jan

qismlib dll 3.3

• Support for creating memory maps (qismfile.h - QisMFileMemoryMaps)
• API to get exploded counts for a cell+layer (QisMFile::Get_cell_layer_exploded_vertices)
• Bug-fix : Exploders were not being freed correctly leading to an error after 512 calls to QisMFile::Create_exploder
• Buf-fix : GDSII/OASIS/Dbload errors were not handled correctly

2016-dec

qismlib dll 3.2

• First cut with the QisMDraw extension

2016-nov

clipextract exe 2.0, 2.1

• First cut

qismclipextract dll 1.1

• Bug Fix: File was not being loaded to memory
• Bug Fix: Initialization of boolean inside a thread was causing a crash

qismclipextract dll 1.0

• First cut

qismlib dll 3.1

• Bug fix: File was not loaded to memory inspite of the setting being ON because of improper order of execution of the SetLoadMemory setting

2016-oct

qismlib dll 3.0

• windows & linux