VTP Development Log

10.01.11

• vtlib: support 3dconnexion SpaceNav with x64 windows

09.09.06

• vtdata: solve an observed numeric precision issue with CallTriangle/Centroid by adding Centroid2 and changing how CallTriangle uses it
• VTBuilder: when generating a TIN from raw polygons, ask which field has height
• Enviro/vtlib: support a water TIN which has different extents than the base terrain

09.09.03

• vtlib: extended the contour converter to also create polyline features
• Enviro: added contour dialog, menu command Terrain: Add Contour

09.09.01

• Enviro: fix route dialog to start new route, not fence

09.08.26

• vtlib: fixed one of the circumstances where Felkel generated a bad roof (RJ)

<release 090826, SVN revision 7223>

09.08.25

• vtdata: fix issue in LoadFromGRD with reading 4 bytes into a short
• linux: add MINIDATA to Makefile link paths

09.08.24

• vtdata: allow 4th 'locked' value on vertices in vtTin::ReadGMS()

09.08.23

• vtlib: support for saving shadow state to VTST
• Enviro: restored Layer Dialog control of structure shadows

09.08.22

• vtlib: in vtTiledGeom, enable true ortho culling in DoRender() by setting fpu=0
• vtlib: in vtTiledGeom, support querying normals in FindAltitudeAtPoint()

09.08.18

• vtlib: Call makecurrent in vtTiledGeom::DoRender which fixes behavior when switching between multiple tileset terrains (KG)

09.08.15

• vtlib: fix typo that prevented GenerateContours() from working
• vtlib: fix another case to prevent building highlight spheres from casting a shadow

09.08.12

• Enviro: fix fog distance in runtime ephemeris dialog (KG)

09.08.05

• vtlib: fix tiny leak in vtIntersectionEngine
• vtlib: fix tracking of vtImage objects by vtMaterial by using an osg::ref_ptr
• vtlib: in AddMultiTextureOverlay, fix support for image layers on tilesets with non-meter-unit CRS (KG)

09.08.04

• vtdata: added handy string fns vtConcatArray and vtExtractArray
• VTBuilder: implemented MRU menus (saved to the options .xml file) for projects, layers, and imports

09.08.03

• Enviro/vtlib: added support for a TIN water surface, exposed in GUI
• vtdata: added vtTin::SetSurfaceType

09.08.01

• VTBuilder: fix status bar (GetHeightFromTerrain) to always report height of top (most visible) elevation
• VTBuilder: extend 'generate TIN from Raw' to handle regular polygons with height from a field
• VTBuilder: set modified on 'Merge shared TIN vertices'

09.07.31

• VTBuilder: mark layers as modified when they are reprojected
• VTBuilder: add progress reporting on load of large SHP files
• VTBuilder: use double-progress for elevation layer rendering, to reduce excessive dialog open/close on modern, fast computers
• vtdata: avoid using sscanf into a bool in ColorMap::Load (seems to fix obscure release-only stack corruption)
• vtui: added SetProgressDialogParent
• vtosg: to avoid some issues with memory usage, added USE_IMAGE_CACHE which defaults to 0 to disable vtosg's cache

09.07.26

• VTBuilder: added command "Select structure by index"
• Enviro: added command "Write Elevation to BT"

09.07.21

• VTBuilder: fix issue with 8-bit TIF images w/o a colortable
• VTBuilder: fix display of RGB under cursor for image layers
• VTBuilder: fix sampling of elevation to not exclude exact edge case

09.07.20

• fixes for OSX build (Stefan)

<release 090505, SVN revision 7174>

09.04.25

• vtdata: put check in FillGapsSmooth to exit if no gaps are filled on a pass
• vtlib: added vtRoute::_DeleteStruct

09.03.29

• VTBuilder: fix LoadFromGDAL to not accept Local CRS, because later operations depends on it
• VTBuilder: disable "Create Overviews in Memory" unless LOD 0 is in memory
• vtosg: fix support for angled roofs on buildings with footprint holes (RJ)
• vtosg: added module LightSpacePerspectiveShadowTechnique to projects

09.03.27

• vtdata: fix support for non-square grids in SaveToXYZ
• all: moved up to OSG 2.8.0, which support recent improvements to vtosg's shadow code

09.03.18

• vtlib: created an unshadowed group on each terrain for things that should not be affected at all by shadows, and moved abstract layers into it, solving the problem that they were sometimes affected

09.03.15

• vtdata: added datum equivalency for RT90
• vtdata: RMF: fix potential stack corruption with bad 'shortSize' by using a temp variable

09.03.13

• experimental CMake build support files added (RJ)
• fixes for stack corruption where %d was being used to read into a short (RJ)
• VTBuilder: fix boundary condition when sampling from an image layer (Stefan)

09.03.11

• VTBuilder: fix case where an elevation tile with invalid size 2 is exported (Stefan)

09.02.25

• prSimple: fixed build by adding minidata project to solutions

09.02.19

• vtdata: added vtFindString

09.02.17

• vtlib: avoid shadows cast from structure highlights
• vtlib: avoid creating a vtGeom for every tree, instead one per appearance using multiple-parenting under each transform, reduces memory per tree by ~38%

09.02.11

• VTBuilder: remove redundant "Show Toolbar" from Options dialog
• VTBuilder: fix bug in SampleImagery which was producing no output (red pixels) in a common case

09.01.29

• Enviro: add default locations for GDAL_DATA and PROJ_LIB, to permit running the Windows binaries on a new machine without doing an install
• Enviro: expose 'texture LOD factor' in the terrain parameters, which is a better name for 'prange' which used to be only exposed at runtime

09.01.22

• vtosg: abstract layers should not cast shadows

09.01.16

• Fix for building against OSG double matrices (RJ)

09.01.13

• added quikgrid to svn deps folder from gcode as an svn:external

08.12.26

• fixes for several gcc compiler warnings

<release 081224, SVN revision 7094>

08.12.19

• Enviro: fix initial visibility of abstract layers without a Visible tag
• VTBuilder: in vegetation generation, fix handling of empty areas in density layers, and display total number of plants generated

08.12.15

• VTBuilder: added command Raw: Generate TIN from 3D Points

08.12.13

• VTBuilder: added import of raw 3d points from XYZ

08.12.12

• VTBuilder: added export of elevationgrid to XYZ, improved handling of numeric precision in import from XYZ

08.12.11

• VTBuilder: export grid to TIN, convert grid to TIN
• VTBuilder: moved LoadLayer from frame to builder, solved problem with SaveAs if the path is not valid
• VTBuilder: support drag-n-drop of native formats inside zip files
• unzip: fixed handling of utf8 paths

08.12.09

• vtlib: change vtTerrain::PaintDib to allow changing the derived texture color map at runtime

08.12.03

• vtdata: fix vertex order on import of TIN from GMS

08.11.30

• Enviro: exposed more shadow setting on ephemeris dialog
• vtlib: added debug-mode-only wireframe boxes to help shadow debug
• vtlib: added helper class vtDynBoundBox

08.11.25

• all: small fixes for the vc71 build
• BxtractorE: made IPL optional, default is USE_IPL=0

08.11.23

• vtlib: added vtTin::FindAltitudeAtPoint, and changed vtTin3d::FindAltitudeAtPoint to use it, because it's faster
• vtlib: prevent TIN terrain from trying to cast a giant shadow

08.11.17

• Enviro: in plant dialog, limit numerics to 2 decimals (cm) for easier entry

08.11.14

• VTBuilder: added safety check to overview sampling (SR)

08.11.12

• vtdata: fix LoadFromIGC to handle western hemisphere
• VTBuilder: allow zoom to a single point by using a slightly larger area
• VTBuilder: fix import from IGC using layer:import:raw
• all: added vc9 files (sln/vcproj) for all projects

08.11.10

• VTBuilder: fix image sampling to not try to sample from overviews that don't exist

08.11.09

• vtlib: avoid re-loading in vtSkyDome::SetTexture unless the texture has actually changed

08.10.27

• vtlib: enabled felkel roofs on building footprints with holes (RJ)

08.10.05

• vtosg: when linking with OSG before OSG 2.6, assume that OSG was built with float matrices

08.09.25

• vtui: added export of profile values to CSV

08.09.20

• VTBuilder: added command "Clean Footprints" which removes degenerate and overlapping points from building footprints

08.09.19

• VTBuilder: also look for World Map on standard vtp datapath
• VTBuilder: fixed 'set unknown areas' to work with area tool not set
• Enviro: added menu command to reset camera to initial location
• vtdata: improved ASC (Arc Ascii Grid) reader to support xdim/ydim in header instead of cellsize
• vtdata: added vtTin::ReadGMS (a LIDAR format)
• vtdata: added heightfield support to WriteFootprintsToCanoma3DV
• vtui: in profile dialog, avoid doing any data sampling if start and end are the same point
• vtosg: allow OSG to be built with either single or double matrices.  This requires OSG 2.6, because OSG 2.0 and 2.4 doesn't expose whether it was built with OSG_USE_FLOAT_MATRIX or not.

<release 080909, SVN revision 6992>

08.09.08

• vtdata: added PathLevelUp
• vtui: added LaunchAppDocumentation
• VTBuilder: expose ".ecw" a file extension for imagery, although it is only supported if the underlying GDAL was built with ECW support
• vtdata: added WriteFootprintsToCanoma3DV (BobMaX)
• VTBuilder: added command "Export footprints to Canoma3DV" (BobMaX)

08.09.07

• vtlib: change terrain/terrainscene to group the terrain engines so they are always evaluated before the global engines, including the height constrain engine; this solves some unusual cases in which the camera could go under the ground

08.09.03

• all: changed UNIX to VTUNIX to avoid reported issue with "UNIX" on some platform
• VTBuilder: fixed Distribute Vegetation dialog to catch values in TransferDataFromWindow that are not caught in OnOK

08.08.22

• VTBuilder: check for duplicate points in ComputeDisplayedLinkWidth to avoid extraneous drawn lines on degenerate roads

08.08.20

• all: explicitly include <memory> in all files that use auto_ptr, for strict gcc compatibility
• added glext.h to SVN in 'deps' folder to not rely on copy in libmini

08.08.11

• all: added minidata library to the vc8 solutions that need it as a dependency

08.08.10

• VTBuilder: implemented sticky flag for layers, changed elevation cache code to use it, so that a layer needed for the current sampling operation is never unloaded
• VTBuilder: added min/max column to TilingOptions
• vtdata: fixed utf-8 filename support in saving to .bt.gz by calling vtGZOpen in SaveToBT

08.08.09

• all: change over to use new 'minidata' library

08.08.05

• mfcEnviro: fixed flicker on resize with OnEraseBkgnd (José Manuel Rubio)

08.08.04

• VTBuilder: more work on JPEG tileset support

08.07.31

• vtlib: preserve highlight when re-building tree geometry

08.07.30

• vtdata: a little more error checking and logging in the case of reading or importing degenerate SHP such as polygons with only 1 vertex

08.07.28

• vtlib: explicitly release the highlight geometry when deleting a struct-instance or building (Robert Schuldt)
• vtb: added menu command Area Tool: Clear

08.07.26

• vtlib: in SpaceNav code, don't assume Windows has getRawInputData (to support older OS like Win2k) (RJ)

08.07.25

• Enviro: added layer dialog button to refresh (reload) an abstract layer from its source SHP
• vtdata: chg UTF8ToLocal to use wstring2::mb_str (and hence wcstombs) instead of the less-reliable wcsrtombs
•  vtosg: call UTF8ToLocal in vtNode::LoadModel so that OSG can support more charsets in filename
• libs: added a few standard headers to make gcc 4.3 happy (Robert Hauck)

08.07.20

• vtui: small fixes to Elevation Profile dialog, particularly for 'apply curvature'
• VTBuilder: added "Filled N unknown heixels in output tiles" on tileset generation
• VTBuilder: inform the user if some layers could not be loaded, when opening a project
• all: added "mini/" to libMini includes, to match that library's new standard distribution structure
• VTBuilder: added iMinRow/iMaxRow to TilingOptions, to optionally limit which tiles are output, during tileset creation

08.07.18

• VTBuilder: changed from ElevMaxLoadGrid to ElevMaxMemGrid (number of MB, not number of grids)
• vtdata: fixed vtCreateDir to treat the directory name as utf-8

08.07.17

• VTBuilder: exposed options for delayed load of elevation grids (elevation MRU)

08.07.15

• VTBuilder: began work on elevation MRU
• VTBuilder: support older .vtb files with non-utf-8 paths in them
• VTBuilder: support writing image tilesets as JPEG
• VTBuilder: ResampleDlg: fix to update of sizex/sizey fields with tileset selected
• vtdata: added MiniDatabuf::savedataJPEG and Format value in tileset .ini
• vtlib: began support for reading image tilesets from JPEG

08.07.11

• vtui: Helper: changed encoding to UTF-8 so that degree symbol works in FormatCoord
• vtui: BuildingDlg: change degrees sign to (degree sign) and use i18n pox to convert it to the correct symbol
• Enviro, VTBuilder: always load .mo translation file, even for ENGLISH_US

08.07.10

• vtui: started trying solutions to degree sign problem

08.07.01

• vtlib: look for terrain-specific HUD image on data path

08.06.30

• vtlib: added Set/GetStereoFusionDistance
• Enviro: exposed stereo fusion distance in camera dialog

08.06.29

• Enviro/vtlib: exposed support for stereo fusion distance

08.06.25

• vtdata: added Scale and VertOffset to vtTin, VertOffset and LoadBTData to vtElevationGrid
• VTBuilder: added menu command: offset elevation vertically

08.06.21

• VTBuilder: restored previous functionality of MainFrame::SetProjection

08.06.06

• VTBuilder: added popup menu layer properties
• VTBuilder: more menu commands for creating overviews
• VTBuilder: new vtImage/bitmap architecture to track each available bitmap, in memory and on disk
• VTBuilder: added popup menus to create overviews in memory or on disk

08.06.04

• vtosg: fixed GetEnabled to only check high bit

08.06.02

• VTBuilder: added support for variable-resolution sampling, so lower resolutions are sampled from GDAL overviews (if present)
• VTBuilder: fixed color-value clipping in ImportFromDB
• VTBuilder: show info about overviews in image layer properties
• VTBuilder: added menu command Imagery: Create Overviews

08.05.25

• vtdata: made vtBitmapBase::BlitTo 32-bit aware

08.05.23

• VTBuilder: added support of "Hemisphere, Degrees, Minutes" format to point import from DBF/CSV
• VTBuilder: added import field option to table import dialog
• vtdata: minimal, experimental SaveToKML

08.05.22

• VTBuilder/vtdata: improve LoadFromASC to allow upper-case text in .asc files
• VTBuilder: exposed new algorithm for filling gaps in elevation via partial derivatives
• vtdata: added vtElevationGrid::FillGapsByRegionGrowing (adapted from Stefan Roettger's libMini)

08.05.21

• vtlib: added control of shadow darkness
• Enviro: exposed shadow darkness (0-1) in ephemeris dialog
• VTBuilder: added 'BuilderTest' example program which shows how to use BuilderLib
• VTBuilder: make sure CheckOptionBounds is always called, even if there is no VTBuilder.xml

08.05.20

• VTBuilder: added logging and better error checking for create dymaxion map
• vtui: moved SizeDlg from enviro, made it general-purpose
• first wave of changes for new shadow support, added osgShadow to MSVC link settings, put OLD_OSG_SHADOWS around the previous shadows

08.05.18

• vtlib: added support in vtContourConverter for tileset terrain (Robert Hauck)

08.05.16

• VTBuilder: added command "Special: Create Dymaxion Map"

08.05.09

• began work on making use of OSG 2.x's osgShadow

08.05.08

• vtdata: in ConvertProjection, use 50 points along each edge, instead of just the corners, to estimate projected extents
• VTBuilder: replace unnecessary inclusion of Frame.h with the simpler Builder.h
• VTBuilder: added display option to draw Raw layers Simplified for speed

<release 080506, SVN revision 6807>

08.05.05

• vtlib: added safety check on node lookup of plants that are not on the terrain

08.05.04

• Enviro: fix toggle of linear structure visibility
• vtlib: fix vtStructureArray3d::SetEnabled to do linears also
• Enviro: added safety check to prevent detail texture with non-grids

<pre-release 080502, SVN revision 6793>

08.05.02

• VTBuilder: exposed option for Mask Unknown Areas in tiling dialog

08.05.01

• Enviro: made Ocean Plane Level dynamic on text entry in Ephemeris dialog

08.04.30

• moved all projects up to OSG 2.4, but still compatible with previous OSG versions

08.04.29

• vtlib: exposed some additional values for structure paging
• Enviro: display current structure count and maximum in LOD dialog
• Enviro: added CarveTerrainToFitNode (experimental)

08.04.28

• Enviro: fixed Mac implementation of continuous rendering (RJ)
• vtlib: changed default texture compression from DXT1 to DXT3 (RJ)

08.04.27

• VTBuilder: call Dirtied as needed in CleanLinkPoints
• vtdata: fix unusual case in PointInTriangle, which affected TIN sampling

08.04.25

• VTBuilder: fix VRML output to always use decimal point (x.xx not x,xx) even with European locale
• VTBuilder: fixed import from OSM (OpenStreetMap) with European locale

08.04.19

• Enviro: exposed Allow Roll option in terrain parameters, applies to both mouse and SpaceNav
• vtlib: support transparency (alpha) when rendering image tilesets; this requires at least libMini 8.66
• all: moved up to libMini 8.75

08.04.18

• vtlib: changed spacenav to be a vtEngine, improved Roll handling
• Enviro: base spacenav speed on mouse speed

08.04.17

• vtlib: fixed display of paged linear structures

08.04.02

• Enviro/vtui: fixed instance dialog to permit 3d models in case of no content file
• all: moved up to GDAL 1.5.1, no code changes needed

08.03.29

• VTBuilder: fixed saving raw layers to DBF with international filenames

08.03.27

• CManager: fixed datapath issue by using the standard vtGetDataPath

08.03.26

• Enviro, vtlib: added preliminary support for SpaceNavigator (WIN32 only), exposed it in wxSimple and Enviro

08.03.18

• vtdata: added support for 32-bit images in ColorDibFromElevation and ShadeQuick
• VTBuilder: began adding support for MaskUnknownAreas on tileset creation
• VTBuilder: add import of imagery .db files

08.03.16

• VTBuilder: added MatchTilingToResolution, changed MatchDlg to use it

08.03.15

• vtui: color map dialog: default to existing directory on Save-As
• vtdata: change vtElevationGrid::ReplaceValue to return the number of heixels changed
• VTBuilder: added SetPreferGZip and preference option to default all BT to gzipped
• VTBuilder: change LoadProject to allow relative paths to layer files

08.03.14

• VTBuilder: fixed Crossing Selection toolbar button and menu item to synch

08.03.13

• vtlib: call FindMatIndex at the top of AddFenceMeshes to ensure that materials are available in all possible cases
• VTBuilder: show hidden layers in tree view in italic, to make it easier to see what's visible
• VTBuilder/vtdata: brought MiniDatabuf class up to date to preserve ability to set USE_LIBMINI_DATABUF=0

08.03.10

• VTBuilder: restored tile display in OnImageExportTiles

08.03.09

• vtlib: create any route geometry that was added to the terrain before the terrain is built
• Simple apps: fixed to call terrain LoadParams(), fixed up some inter-project dependencies

08.03.08

• VTBuilder: added iNoDataFilled to TilingOptions, changed default value for ImportDataFromFile arguments
• VTBuilder: added preference option to write TIFF compressed (DEFLATE)

08.03.03

• VTBuilder: fix RemoveElevRange to recognize when the area tool is not set

08.02.28

• VTBuilder: changed default "resolution" of TINs, for the purposes of estimating tileset depth, from 1m to .001m
• VTBuilder: added drag import of elevation .db tiles

08.02.27

• vtlib: improve _ReadTIF to handle the case of an alpha band tagged 'undefined', which is how PhotoShop writes an alpha channel
• Enviro: added View: High-resolution Snapshot command
• Enviro: fix "inside" canvas size global option to give a more exact pixel size
• Enviro: moved all of Enviro's dialog modules to a new static library called envdlg

08.02.26

• Enviro: reordered toolbar button MOVE to be more logical

08.02.25

• vtdata: fix ColorDibFromTable and ShadeDibFromElevation to use the exact same sampling, so that the colors and shading match precisely
• VTBuilder: fixed ZoomIn/ZoomOut problem, moved USE_DIBSECTIONS to vtBitmap.h to avoid issue with inconsistent preprocessor setting across projects
• VTBuilder: added vtMiniDatabuf::SetBounds to support setting LL corners for every tile

08.02.24

• VTBuilder/vtdata: support restricting the fill-gaps methods to a given area

08.02.22

• VTBuilder: added BuilderLib project to VTBuilder, changed VTBuilder app to use it as a dependency

08.02.20

• vtui: removed unused heightfield from BuildingDlg
• VTBuilder: began code re-organization to separate the frame GUI from the rest of the application functionality

08.02.19

• vtdata: fix vtDIB::WriteTIF to process utf8 filenames before passing to GDAL
• vtosg: changed default OSG compression from USE_ARB_COMPRESSION to USE_S3TC_DXT1_COMPRESSION to make OSG's getCompressedSize happy
• VTBuilder: changed logic in RefreshTreeItems again for better highlighting of the selected item

08.02.17

• vtlib/vtui: changed the default data folder name for procedural building facade textures from BuildingModels to Facade

08.02.15

• Enviro: postpone loading the species list until it is needed, for faster startup
• Enviro: added a separate Select-Move mode to allow Select to select things without moving them

08.02.13

• vtdata: fixed vtPlantInstanceArray::WriteVF to handle more than 32k plants of the same species

08.02.09

• vtdata: check for sufficient memory in LoadFromCDF
• VTBuilder: added preference option for elevation layer's maximum render size

08.02.06

• VTBuilder: fixed a case where upper-case .BT was not recognized
• VTBuilder: added LayerToTop/LayerToBottom context menus
• VTBuilder/vtdata: exposed option for NODATA color when rendering elevation to bitmap
• VTBuilder: fix ExportBitmap to set image extents half-cell wider than elevation extents
• VTBuilder: changed layer view refreshing to make it more likely the active layer stays visible, for a better user experience
• vtdata: fixed Unix implementation of directory state methods
• vtdata: safety check for null polygons in vtFeatureSetPolygon::IsInsideRect

08.02.05

• Enviro: added GetArial, re-enabled displayed date in Nevada
• vtosg: fix vtImage::Read to assign or copy image data from OSG, which re-enables support for reading into an existing image

08.02.04

• Enviro: improved 'Save Terrain State As..' to default to the existing folder, and let the user set the name of the new terrain
• Enviro: show current terrain name in Title bar
• VTBuilder: show number of unknown heixels in elevation layer properties

08.02.03

• Enviro: added safety checks, don't crash if there are no plants available

08.01.29

• vtdata: added RemoveDegeneratePoints
• vtlib: in Building3d, avoid problem with Triangle and redundant vertices

08.01.27

• Enviro: added progress indication on add/remove foundations

08.01.18

• Enviro: Plant dialog: sort the Common Name field, to make it easier to use

<released 080114>

08.01.13

• vtdata: Triangulate: support complex holes by calling Triangle on them to find interior point

08.01.11

• vtlib: reduced 'res' parameter by 100x for libMini 8.6.2
• vtdata: fixed an issue in GetEdgePlane to handle holes

08.01.09

• VTBuilder: draw selected structures in a second pass, making it easier to see their edges
• VTBuilder/Enviro: finished first pass of building footprint hole support
• all: moved up to wx 2.8.7 (no code changes)
• all: moved up to mini 8.6.2

08.01.07

• vtdata: added a second triangulation method (call 'Triangle' library)
• vtdata: support for storing building (level) footprints as DPolygon2 (supports holes)
• vtdata/vtlib: more work on footprint holes: created FPolygon3, changed local building footprint to a FPolygon3

08.01.05

• vtdata: write outer/inner rings to VTST for level footprints
• vtdata: added DPolygon2ToOGR and DPolygon2::ReverseOrder

08.01.04

• VTBuilder: fixed a case in which import dialog could get wrong roof type
• vtdata: more work towards using OGRPolygon for building footprints, added SHPToDPolygon2
• VTBuilder: more work towards using OGRPolygon for building footprints, removed unused things in ImportStructDlgOGR

08.01.03

• all: used sed scripts to clean up whitespace across whole source tree
• vtlib: changed vtAnimPath::Read to empty the animpath before reading
• scripts: fixed EOL to make cygwin happy
• vtocx: cleaned up TODOs, and added it to SVN as TerrainApps/vtocx

08.01.02

• vtlib: brought OpenSG port up to date with recent vtlib changes
• vtlib: added CreateBlockGeom and AddLineMesh, small compiler warning fixes
• vtlib: renamed Visual to vtVisual to avoid clash with old X-Windows

Older Changes: 2007 2006 2005 2004 2003 2002 2001 2000 1999