GeoToolkit C++ Release Notes 4.8

26 July 2024
We’re pleased to present the release notes for GeoToolkit C++ 4.8.

Carnac

Highlights

• Extended Python wrappers
• Replaced char* with cgString where it is appropriate
• Eliminated legacy “4” in file names
• Fixed support of Qt6.5.0 and up
• Fixed support of MSVC2019
• Replaced the cgSafePtr objects by cgISafePtr (Performance purpose)
• Implemented feature to track memory allocations (CG_USE_SAFE_NEW)

Library Changes

• Removed usage of V 4.5/4.6 deprecated methods and classes
• cgColorMap color list extended with BlackWhite and BlackWhiteOrange

Tutorials

• RulerTool shows how to create and use custom RulerTool for cgAxisDrawing creation

Bugs

Carnac

• Huffman compression fixed for QtSeismicViewer
• Fix labels position in cgAxisDrawing
• cgGenericRegion implementation improved
• Problems in generating PDF from Print Preview are fixed
• Fixed warning “function assumed not to throw an exception but does”
• cgAxisDrawing labels position and bounding bbox calculation is fixed
• LabelWrapperComponent: text overlaps the border issue is fixed
• Method that finds segments cross-section, fixed and moved to accessible place
• Fixed circular gauge invalidation and annotation position
• Fixed problems with catch cgThrow(this,msg)

Chart

• Templates saving errors are fixed
• Background image scaling is fixed
• Brush origin for background image is fixed
• cgQBarChartVisual2D fixed for small values, switched off for stacked barType
• Fixed chart settings dialog: keep current page to be active after pressing Apply button
• cgQChartAnnotationVisual fixed to render itself only in needed area
• cgGridDrawing bbox fixed to be rendered correctly
• Fixed save\load line chart type
• Fixed loading template for incompatible chart types
• Fixed selection in the line chart of percentage type

New Functionality

Carnac

• cgQParametersProvider – new abstract base class, which provides a collection of cgVariant-based typed parameters
• cgQParametersWidget – new widget to edit parameters of cgQParametersProvider
• cgBinaryMemoryReader/cgBinaryEndianReader – new readers are introduced
• Implemented methods to get type-checked array data from cgVariant
• Const iterator classes are added
• cgErrorBase New base class, which that doesn’t use allocation
• cgStringUtil::fitText() methods added to fit text at word boundaries (spaces and tabs between words) if it doesn’t fit given width.
• Get rid of excessive interface_cast and dynamic_cast
• cgAtof introduced to prevent incorrect float data reading because of locale
• cgCrurveDrawing rendering in CT_Spline mode improved
• cgXmlReader new class for xml reading is addeds

Plot

• Added nice_limits_mode for cgAxisAdaptiveLinearTickGenerator
• cgQZoomPanTool new methods are added
• Added classes cgQGadgetDrawing and cgQHorizontalScaleDrawing as a replacement for current map scale implementation
• cgQHorizontalScaleDrawing: added more rendering styles and properties
• cgQGadgetLabelDrawing new gadget label drawing
• Axis ticks invalidation signals/slots are added

Chart

• New functionality is added to cgQLegendTool
• Line chart rendering in percentage mode improved

Map

• cgQWMTSVisual work was improved, new functionality was added
• cgQTextFeature. Added new feature to show text correctly

Contour

Highlights

• Improvements and Bug-fixes

Library Changes

• cgFastVector replaced with cgSafeArray to improve performance\speed

New Functionality

• New outline methods are added to cgQContourModelBase
• Added visible levels to Contour Properties

Bugs

• Fixed problems in QContourProperties and QContourColorMapEditor with faults and outline
• Fixed Contour colormap editor – incorrect colormap size when load from file
• Fixed activation of “Apply” button when visible levels are changed

Seismic

Highlights

• Improved remote seismic reader to support the last IVAAP and INTGeoServer
• Refactored Remote Seismic Reader
• Added map view
• Added cgQAxesSwitchDialog: alphabetical items sorting
• Integrated python terminal in seismic viewer

Library Changes

• Traces axis desiredAxisWidth() and cgTraceTickGeneratorBase::preprocess() optimized for big traces count
• Reading of Seismic index using cgBinaryReader instead of old BinaryInputStream
• Resize with interpolation is added to Colormap dialog

New Functionality

• Python console is added to QtSeismicViewer
• cgQSeismicVisualInterface replaced with safe cgQSeismicVisualSafeInterface based on smart pointers
• Display header values for empty traces
• Implemented opening of Volume Index files
• QtSeismicViewer: added map view for remote seismic
• cgBinaryDataCache added network cache; added send time to request info
• cgQSeismicColorBarComponent is added to be used in cgQMultiAxesSeismicPlotBase
• cgQSeismicModel: added ability to set custom seismic scene implementation
• Added methods cgSeismicSection::file_info()

Bugs

• Prevented crash in seismic sections because of trace or sample index out of range
• Prerequisites for big seismic files processing: fixed too long cgSeismicCacheSection deletion
• Fixed crash for deep zoom out
• RemoteSeismicSection: added feature to receive data that were missed
• Seismic tutorials crash at start under Linux is fixed
• Fixed crash when normalize VolumeIndex section by section max
• Fixed some problems in Seismic indexing and transposing
• Fixed displaying seismic value under the cursor
• Error handling fixed for remote seismic authorization and GeoMapLayer
• Fixed Seismic print preview vertical stretch
• Fixed Highlighting the histogram field beyond the boundaries
• Fixed crash in MultiAxes Plot when edit colorbar and no seismic layer present
• cgSegyFileIO: Fixed handling of negative start value and null callback
• Fixed Seismic colorbar problems when use density scale

WellLog

Highlights

• cgQMultiWellTrackContainerWidget new container with detached headers and improved functionality introduced
• cgDlisWriter – Created DLIS writer. Create file from scratch, change existing data, add curves and channels
• Improved DLIS reader stability and performance a lot
• Added and tested Multithreaded work with DLIS files
• Added support for density in seismic log visuals
• Eliminated unsafe smart pointer creation

Library Changes

• Tracks casting improved – dynamic_cast replaced with interface_cast
• Track and Visual’s dialogs view and functionality updated
• cgQWellLogAnnotation performance improved

Tutorials

• DlisWriter. Demonstrates how to use cgDlisWriter for DLIS files creation/modification
• ScaleStrategy. Demonstrates how to use ScaleStrategy in deviated tracks

New Functionality

WellLog

• cgDlisParser functionality extended with several methods
• cgWellLogAxisBaseLineVisual introduced to make rendering synchronized with cgWellLogAxisTickVisual
• cgQDefaultSeismicLogPropertyEditor. Added property editor for seismic log visuals
• Set track headers optionally to be of fixed size or to be resizable interactively by mouse

Deviated WellLog

• cgQTrackWidthStrategy introduced

Multiwell

• QtMultiWell Demo updated to use both new cgQMultiWellTrackContainerWidget and old cgQMultiWellContainerWidget widgets

Bugs

• DefaultFillPropertyEditor updated to change the color data source correctly
• cgQCurveEditTool fixed to edit curves in GraphicsItemLogEditor and LogEditor tutorials
• cgQWellLogLithologyTool patterns change on Linux fixed
• cgLas30Parser date/time/degrees/mins/secs formats representation corrected
• MultiWell Splitter work fixed
• Fixed text clipping for DPI != 1.0
• cgQSeismicLogHeader rendering and size calculation is fixed
• Deviated cursor tracking and tooltip tool several problems are fixed
• Deviation algorithms fixed to prevent crash on huge zooms
• GhostTool artifacts are fixed
• cgQTVDTransformer artifacts are fixed
• Collapsed tool: The interval shadow incorrect move after zooming in is fixed

WellSchematic

Highlights

• Improvements and Bug-fixes

Multiwell

• QtTrackSchematic demo Track resize fixed and functionality improved

Bugs

• Problems in cgQCompressedTickGenerator fixed to render QtInteractiveSchematic tutorial correctly