Easy GIS .NET Desktop Edition
2 December 2023 -
Version 4.8.8
- csv to shapefile now includes option to specify CRS
- Click select and select by polygon modes added to SFMap
- Fixed bug where area of use was not not found when using identified CRS (#123)
- IsDeprecated property added to CRS
- SFMap - Added ability to enable/disable shift/control/alt key mouse drag selection
- CRS IsEquivalent method now cached for performance improvement
4 June 2023 -
Version 4.8.7
- CoordinateReferenceSystemFactory now loads compound coordinate reference systems
- GeodesicDistanceAndBearingBetweenLatLonPoints now calculated using Vicenty distance calculations for improved accuracy for map measurements
- #115 SFMap control BeginUpdate EndUpdate methods added to disable drawing while adding or removing shapefiles from the map
31 January 2023 -
Version 4.8.6
- Fixed bug[#106] where creating an ICoordinateTransformation between 2 coordinate reference systems in some cases may attempt to use an unavailable transformation grid. (Introduced in version 4.8.5)
7 Decmber 2022 -
Version 4.8.5
- Fixed bug[#92] where in some cases the visual studio designer will set the SFMap ZoomLevel property to zero, which generates an exception at runtime
- [#97] SFMap BorderStyle property now using default property of None
- [#100] Fixed issue where EGIS.Projections throws exception in .net6.0 after upgrading to proj9.0
- [#101] Fixed issue where ICRSFactory.CreateCoordinateTrasformation may not aways create the most relevant transformation between 2 Coordinate Reference Systems
17 September 2022 -
Version 4.8.2
- Added Visible property to RenderSettings to allow hiding layers without removing them from the map
- Visible Extent and Measurements now using Ellipsoidal distance calculations for projected CRS
- Fix bug[#86] where point records not always rendered on edge of map
- Bug fix [#71]
28 May 2022 -
Version 4.8.1
- Updated to .NET Framework 4.7.2
- Fix bug where SFMap selection state is invalid if control lost focus while key down
- Caching creation of Coordinate Transformation objects to improve creation times
- Added BaseMapLayers to EGIS.Controls (Example6)
- Fix bug[#65] where point, pointZ and multipoint shapefiles had an offset when rendering using low quality setting
- [#66] Improved labeling when using Shadow Text.
18 April 2022 -
Version 4.8.0
- Fixed bug where a attribute list filter / selection error was not clearing after a successful query
- MouseWheelZoomMode feature added to SFMap control
- ShapeFile GetClosestShape function implemented for PolygonZ
- Identification confidence threshold added to CoordinateReferenceSystemFactory used when identifying a CRS from WKT
- SFMap Improvements to deal with shapeFiles with a zero width or height extent
- EGIS.Projections updated to use Proj9.0
- Fixed issue where a Bound CRS was not identified when loading from WKT
- EGIS C# projects updated to newer SDK csproj format. Class libraries updated to .NET 4.7
- Source ICRS parameter added to ShapeFile GetClosestShape methods
- New NuGet packages created for EGIS Class libraries and published to nuget.org
6 March 2022 -
Version 4.7.3
- RenderSettings.ShadowTextColor alpha restriction removed
- Fixed bug where renderig in SFMap was offset by 5 pixels (introduced in 4.7.1)
- Fixed issue where SFMap GetShapeIndexAtPixelCoord and tooltip not detecting geometry in some cases
- Added check for invalid shapefile bounding box in header
16 January 2022 -
Version 4.7.2
- Added option to output a CRS in different WKT formats, inluding WKT2_2015, WKT2_2018, WKT1_ESRI and WKT1_GDAL
- SFMap Control selection rectangle text now aligned vertical and horizonntal
- Fixed bug when generating WKT in multiline format (32 bit only)
- Added filter option to CRS selection control
- Added GetWgs84UtmEpsgCode function to CoordinateReferenceSystemFactory to get the EPSG UTM CRS for a given lat/lon coordinate
18 May 2021 -
Version 4.7.0
- Fixes issue where ShapeFileWriter could create an empty .prj file if WKT not supplied
- ICustomRenderSettings now includes methods GetRecordLabel to provide custom labels and GetDirection for changing arrow direction
- Refactored SFMap to allow adding background and foreground shapefile layers
- ShadowTextColor added to RenderSettings
7 March 2021 -
Version 4.6.6
- Fixes issue where a single shapefile record with zero height or width cannot be selected
- Correction of 'EPGS Code' typo to 'EPSG Code'
- Checking record visibility in ShapeFile intersect and closest shape methods
- Dealing with infinite points in intersection tests
- Removed hard-coding of Windows-style directory separators
27 November 2020 -
Version 4.6.5
- Create CRS from prj file added to CoordinateReferenceSystemFactory
- Fixes OutOfMemory exception when pen LineDashStyle not solid and zooming out on polygon layers (GDI+ workaround)
- Option added to SFMap AddShapefile methods to refresh immediately or invalidate
- Improved rendering of polygon layers when layer CRS and target CRS are different
- Transforming Rectangle bounding box improved
- Fixes overflow issue when zooming very far into polygon layers
- PolygonClipping algorithm improved for integer Point polygons at high zoom (overflow issue)
14 November 2020 -
Version 4.6.4
- SFMap Control now defaults to WGS84 CRS
- Tag property added to ShapeFile class
- Direction Arrows can now be drawn on PolyLine, PolyLineM and PolyLineZ shapeFiles
- Improved ShapeFile internal quad tree creation times for Point shapefiles
- Map CoordinateReferenceSystem now saved in egp projects
- Refactored DbfReader usage in ShapeFile and RenderSettings
- ShapeFileWriter now supports writing to MemoryStreams
- ShapeFileWriter now creates .prj file
- Added DefaultMapCursor and DefaultSelectionCursor property to SFMap Control
- Fixes overflow issue when rendering PolyLineM and PolyLineZ shapefiles at high zoom levels
- Shapefiles can now be added to SFMap as ShapeFile objects or using individual shapefile streams
- ShapeFileWriter now support PolyLineZ
- Adding option to add Shapefiles to SFMap control using Memory Streams
- Fixes bug when drawing point icon images (incorrect size)
8 September 2020 -
Version 4.6.3
- Updated native proj_6_1.dll search path
9 July 2020 -
Version 4.6.2
- Fixed bug in SFMap.GetBitmap method (image size 1 pixel too large)
16 June 2020 -
Version 4.6.1
- Added ShapeFile MemoryStream option
16 May 2020 -
Version 4.6.0
- Updated to .NET 4.6.1
- Coordinate Reference System (CRS) and Projection support added to library
- Added polyline and polygon clipping algorithms
- Property added to set QuadTreeMaxLevels
- TileUtil supports arbitrary tile size (previously hard-coded to 256)
- Shapefile records clipped when zooming to avoid overflow at high zoom levels
- LineEndCap added to RenderSettings
- SFMap.GetBitmap supports transparent background colors
- DbfReader trims '\0' characters and whitespace
- Fixed bug when reading very large DBF files
- ViewAttributes Form supports long integer values
- Line-Line intersection algorithm added to GeometryAlgorithms
- ShapeFileWriter AddRecord overload to support records with multiple parts
- Added support for Mapbox vector tiles
6 November 2018 -
Version 4.5.9
- Fixed issue in CsvUtil where DBF field lengths set incorrectly
- Detection of duplicate filed names in CsvUtil after truncating field names to 10 characters
- Reduced memory usage in ViewAttributesForm
16 June 2018 -
Version 4.5.8
- Added ability to add simple XY CSV data to map by converting to point shapefile
- Implemented measures for PolyLineZ shapeFiles
6 December 2017 -
Version 4.5.7
- Fixed issue where tooltip and selection was not working for some point data due to floating point precision
- Added overloaded SimplifyDouglassPeucker function to GeometryAlgorithms to return simplified indicies
- Added ability to export egp projects for web as single zip file
20 March 2016 -
Version 4.5.6
- Fixed bug when loading projects with spaces in path
- Fixed issue when selecting polygons records intersecting rect for polygons containing holes
- Added ZoomToSelection method to SFMap control
- Added Polygon "touches" polygon function to GeometryAlgorithms to find neighbouring polygon records
- SFMap control - Added zoom to selected extent when ctrl-key down
11 October 2015 -
Version 4.5.5
- Fixed issue where shapes with zero width or height can not always be selected due to floating-point comparison issue
- Added ability to set render quality on individual shapefiles
27 June 2015 -
Version 4.5.4
- Added PaintMapBackground event to SFMap control
- Added FitToExtent, ZoomToSelection, InvalidateAndClearBackground methods to SFMap control
- Added view attributes form with ability to select or filter records using where clause
24 May 2015 -
Version 4.5.3
- Added support for PolyLineM ShapeFiles to ShapeFileWriter
18 May 2015 -
Version 4.5.2
- SFMap.Dispose now calls Dispose on any loaded shapefiles
- Added PolygonPolygonIntersects and PolyLinePolygonIntersects functions to GeometryAlgorithms
- Added SimplifyDouglasPeucker functions to GeometryAlgorithms
- Rebuilt geomutil_libx64.dll to statically link to MSVC runtime
- Fixed bug in DbfWriter Dispose method
26 May 2014 -
Version 4.5
- Fixed bug where DBF file not always closed properly
- Added new append functionality to ShapefileWriter
- Enhanced Polyline GetClosestShape function to restrict search to specific records
1 Dec 2013 -
Version 4.4
- Fixed divide by zero bug when loading shapefile if control is hidden or zero size
- Fixed bug where shapefile was not always centred when loading in map
- Added member to obtain the Measures (M data) from a polylineM shapefile
- Added GetClosestShape member to ShapeFile class
- Updated GeometryAlgorithms to return PolylineDistanceInfo in LineSegPointDist and ClosestPointOnPolyline functions
8 Oct 2013 -
Version 4.3
- Improved Zoom functionality int SFMap control
- Added PanSelectMode.None to provide the ability to disable panning and selection in the SFMap control
30 Jun 2013 -
Version 4.2.3
- Fixed bug in shapeFileWriter where Extent of shapefile incorrectly calculated for Point shapefiles with a single record
24 Feb 2013 -
Version 4.2
- Added basic print functionality to desktop application
- Fixed bug in ShapeFileEnumerator where large records could not be read
10 Feb 2013 -
Version 4.1
- Fixed bug where red rectangle was drawn around labels when shadowtext property was set to false
- ShapeFileWriter now implements IDisposable
5 Nov 2012 -
Version 4.0
- Added support for MultiPoint and MultiPointZ ShapeFile types
- Upgraded solution to VS2010
- Rewrote RenderSettings ImageFileNameEditor to avoid .NET 4.0 Client profile issue
19 Aug 2012 -
Version 3.6
- Added check for NullShape when rendering shapefiles which was causing an unhandled exception
1 May 2012 -
Version 3.5.3
- Added select functionality to SFMap and ShapeFile classes. Shapefile records can now be selected using rectangular and circular intersection tests
- Fixed dbf field decimal point bug in shapeFileWriter class
- Refactoring of many internal EGIS.ShapeFileLib classes
9 Apr 2012 -
Version 3.5
- Improved label rendering in polyline shapefiles when viewing shapefiles at low resolution
- Implemented higher accuracy shapefile record rectangle intersection. This fixes bug where ShapeFileEnumerator incorrectly returned 'L-shaped'shapes near the ShapeFileenumerator extent.
- Changed build target from x86 to Any CPU to avoid 64-bit issues reported by some users
10 Sep 2011 -
Version 3.4
- Added support to specify decimal points in DBF fields when writing shapefiles
2 June 2011 -
Version 3.3
- Ensured CentrePoint and Extent of SFMap always expressed in unprojected Lat/Long coordinates
- Added CustomRenderSettingsUtil class for easy creation of CustomRenderSettings
- Removed static UseMercatorProjection property from ShapeFile class. Mercator projection now specified as a parameter of Render methods Breaking Change
13 Feb 2011 -
Version 3.2
- Fixed bug in SFPolygonZCol.GetShapeHeightData causing ShapeFileEnumerator to return incorrect values when calling GetCurrentZValues
- Added support for PolyLineZ shapefiles
12 Jan 2011 -
Version 3.1
- Software released under the LGPL open source license
- Fixed bug in ShapeFileWriter caused by Dotfuscator incorrectly obfuscating overloaded methods
- Fixed bug where software incorrectly looked for a .shpx file when exporting projects
19 Oct 2010 -
Version 3.0
- Major rewrite of EGIS.ShapeFileLib to replace the use of single precision PointF representation of GIS points with double precision PointD structure to address problem of lost precision of GIS coordinates
- Replaced use of PointF in ShapeFileEnumerator methods with PointD - Breaking Change
- Shapefiles now read directly - .shpx file no longer generated or used. Improved time to load and display large shapefiles
- Added support for PointZ shapefiles
- Better support for shapefiles using Unicode attribute data. Added functionality to specify the StringEncoding used to read DBF text fields
- Added option to map shapefiles in memory using Native File Mapping for improved rendering speed
- Improved memory usage when viewing large shapefiles - successfully loaded 1GB shapefile
- Fixed bug where polyline records containing a single point would generate an unhandled exception
- Added functionality to select shapefile records and specify the color of selected records
11 Jul 2010 -
Version 2.5.1
- Fixed bug where double-clicking to zoom on the SFMap calculated the wrong map location when mercator projection selected
- Improved rendering algorithm to support rendering holes in polygons. See counter-clockwise rule in ESRI Shapefile description
- Fixed bug where custom render settings would not render custom icons without supplying a default image in a Shapefile's RenderSettings
- Added 2 new Code Examples for download from Developers Resources section
27 Jun 2010 -
Version 2.5
- Added partial support for 3D shapefiles - PolygonZ shapefiles read and rendered as 2D polygons
- Re-designed how center point was implemented when using mercator projection in SFMap
- Fixed bug in ShapeFileWriter classes to correctly display Unicode characters in shapefiles viewed using ESRI products
23 Feb 2010 -
Version 2.4
- Added further support for Custom Render Settings
- Improved rendering speed for polyline and polygon shapefiles. Performance increase for low quality rendering
- Added support for opening massive shapefiles. Tested on 1GB polygon shapefile
- 64bit version released
5 Dec 2009 -
Version 2.3
- Fixed bug where GIS location displayed incorrectly in DesktopEdition status strip when using Mercator Projection
- Changed Open File Dialog to allow selecting multiple files, to avoid adding multiple shapefiles to a map 1 at a time
- Added option to render duplicate labels in polyline shapefiles
- Added property MaxLineWidth to RenderSettings
18 Sep 2009 -
Version 2.2
- Implemented changes to DBFWriter, ShapeFileWrtier and DbfReader to support UTF8 encoding
- Changed floating-point implementation in EGIS.Controls.SFMap and EGIS.ShapeFileLib.ShapeFile to use doubles instead of floats to address rendering issue when viewing maps at high zoom level.
- Removed "Map Generated by Easy GIS .NET" message from EGIS.Controls.SFMap Control
- Altered paint event handling in EGIS.Controls.SFMap to allow drawing custom overlays
24 Aug 2009 -
Version 2.1
- Added support to create multi-part shapes in ShapeFileWriter
- Implemented functionality to support ICustomRenderSettings in EGIS.ShapeFileLib
- Added support to open multiple shapefiles in egis.exe
- Added checks for unsupported shape types
27 Apr 2009 -
Version 1.3
- Improved Label Rendering efficiency and rendering speed
- Minor bug fixes
13 Apr 2009 -
Version 1.2
- Added classes to support creation and editing of shapefiles
- Improvements to rendering speed in EGIS.ShapeFileLib
- Added support for icons when labeling point shapefiles
20 Mar 2009 -
Version 1.1
- Initial public release