G.Projector — Global Map Projector

The current version of G.Projector is 1.7.3, released 2015-06-27.

Version History

Version 1.7.3: Released 2015-06-27.

  • Added menu option to save map window settings to preferences.
  • Added option for overlay line style (solid, dashed, dots).
  • Allow for heavier grid and overlay strokes.
  • Additional styles for grid and overlay strokes.
  • (Win) Added "universal" Windows version which should better adapt to computer's available memory.

Version 1.7.2: Released 2015-02-27.

  • Added option for grid line style (solid, dashed, dotted).
  • Added option to display grid line labels, but only enabled if map is cylindric.

Version 1.7.1: Released 2014-12-31.

  • Bugfix: Mollweide projection might appear blank for some map sizes.
  • Bugfix: Iteration artifacts near poles in Larrivée projection.
  • Bugfix: Iteration artifacts near poles in Canters Polyconic 1989-f9 projection.
  • Added Canters Polyconic 1989-f7 (#121) and 1989-f8 (#122) projections.
  • "American Polyconic" projection renamed "American Polyconic (Global)", while separate "American Polyconic (Regional)" projection renamed "American Polyconic".
  • Added Rectangular Polyconic projection (#123).

Version 1.7: Released 2014-11-28.

  • Baker Dinomic projection may be displayed in interrupted form.
  • Bugfix: Parallels not drawn for hemispheric case of Apian II.
  • Added Hammer Oblique projection (#109). Specific choices for center of projection as well as scaling parameter allow for creation of Bartholomew's Nordic projection and of Briesemeister projection.
  • Added Mollweide Oblique projection (#110). Specific choices for center of projection as well as "third rotation" parameter allow for creation of Bartholomew's Atlantis projection and of Fairgrieve's' projection.
  • Bugfix: Discrepancy in handling margins of Cassini projection.
  • Added Strebe Equal-Area projection (#111).
  • Added American Polyconic projection in both global (#112) and regional/local forms (#113).
  • Bugfix: Calculated scaling factor for Gott-Mugnolo Azimuthal off by about 1.5%.
  • Added separate Two-Hemisphere versions of several azimuthal projections, including the Orthographic (#114), Azimuthal Equal-Area (#115), Azimuthal Equidistant (#116), Stereographic (#117), Gott-Mugnolo Azimuthal (#118), Breusing Geometric (#119), and Breusing Harmonic (#120) projections.
  • Bugfix: (Windows) Again re-worked memory settings.
  • Overlay file input changed to load-on-demand rather than load-on-launch.

Version 1.6.1: Released 2014-10-28.

  • Extended shapefile overlay support to include point and multipoint record types.
  • Added mechanism to choose shapefile overlay point symbols.
  • Overlays may be opened via drag-and-drop of desktop file icon into a map window.
  • Overlays imported during program use are added to menus in aphabetical position.
  • Use folder-style tabs for panes in preferences window.
  • Bugfix: (OS X) Mac desktop icons not displaying properly.

Version 1.6.0: Released 2014-09-19.

  • G.Projector now requires Java 7 or 8.
  • Use library code for saving bitmapped images.
  • Added Cassini projection (#108).
  • Shapefiles (.SHP) may be opened for use as overlays. Polyline and polygon shapes are included in drawn overlay outline; points, multipoints and multpatches are ignored.
  • Revised selection of MWDB map overlays included in distribution.
  • Memory heap specifications use Java 7 defaults.
  • Increased maximum allowable dimensions for both input and output images if max JVM heap appears to allow for it. Potentially, input images may be as large as 24000×12000 and output images 20000×10000.

Version 1.5.2: Released 2014-06-30.

  • Added close-all-windows keystroke.
  • Preferences for saving images now based on last save action.
  • Added Miller Oblated Stereographic projection (#106).
  • Added Snyder GS50 projection (#107).
  • Added lon-lat limit getter method in underlying library for use by other applications, e.g., Panoply.
  • Library: (OS X) Upgraded Quaqua to v. 9.1.

Version 1.5.1: Released 2014-01-30.

  • Added Transverse Mercator (Sphere) projection (#104).
  • Added Patterson's Natural Earth projection (#105).
  • Robinson projection recoded to use Beineke's approximation rather than that of Canter & Decleir.
  • (Mac) OS X version requires at least "Java for OS X 10.6 Update 3", released May 2010.

Version 1.5: Released 2013-06-20.

  • Added "height" option to Equirectangular oblique projection to allow for creating a non-global map.
  • Added "radius" option to Orthographic projection to allow for creating zoomed-in map.
  • (Mac) Use Apple application handler methods introduced in "Java for Mac OS X 10.6 Update 3".
  • Bug: (Mac) Application locked up during launch if user had installed "Mac OS X v10.6 Update 16" or "Java for OS X 2013-004".

Version 1.4.9: Released 2012-12-28.

  • Bugfix: Corrected mis-spelled name of Ginzburg VIII projection.
  • Added Ginzburg IV projection (#100).
  • Added Ginzburg V projection (#101).
  • Added Ginzburg VI projection (#102).
  • Added Ginzburg IX projection (#103).
  • Bugfix: (Windows) Selecting an item in a control popup menu might be met with no response, depending on location of control and menu on screen.
  • Maximum for the border line weight bumped from 200% up to 500%.
  • Mac version now code-signed and should not be reported as damaged by OS X 10.8 Gatekeeper.

Version 1.4.8: Released 2011-11-27.

  • Added Equirectangular Oblique projection (#96).
  • Re-factored various azimuthal projections (equal-area, equidistant, Gott-Mugnolo, stereographic) so that "fill corners" option also worked if radius set ≥ 90°.
  • Optimized drawing of parallels and meridians for all azimuthal projections for special case of center of projection at a pole.
  • Added Airy projection (#97).
  • Added Breusing Geometric projection (#98).
  • Added Breusing Harmonic projection (#99).

Version 1.4.7: Completed 2012-05-03; version not publicly released.

  • Some refactoring of the map projection class hierarchy, chiefly that cylindric and pseudocylindric projections now subclass from CylindricProjection and PseudoCylindricProjection classes.
  • Added ability to label grid for cylindric projections. (Library only. Not enabled in G.Projector app.)
  • Wrote custom UI to improve appearance of comboboxes with long lists of items (i.e., the projection list).

Version 1.4.6: Released 2011-04-13.

  • Added Gott-Mugnolo Azimuthal projection (#95).
  • Bugfix: Broken URL for application homepage in Help menu and splash window.

Version 1.4.5: Released 2011-03-18.

  • A Java SE 6 runtime environment is now required to run Panoply. This means the Mac OS X version will no longer run on older G5 Macs.
  • Re-factored drawing of gridlines to allow for non-integral spacing.
  • Increased maximum allowable dimensions for saved output image to 7500×3750 pixels. (Note: Also increased maximum possible request for memory to allow for saving larger output images.)
  • Refactored interrupted projections to use an Interruption enum.
  • Re-designed popup color menus to offer more choices from a palette rather than a list.
  • Added Gnomonic projection (#93).
  • Added Gnomonic cubed sphere projection (#94).
  • Bugfix: Red and blue levels were swapped in input PNG images using three-byte BGR format.
  • Library: (Mac) Quaqua FC updated to version 7.3.4.

Version 1.4.4: Released 2010-03-24.

  • Added Gringorten projection (#92).
  • Re-factored drawing of parallels by creating drawParallel method.
  • Eliminated distinction between screen and print for line colors and strokes.
  • Added pale gray and smoke gray to choices in various color menus.
  • Library: (Mac) Quaqua FC updated to version 6.4.1.

Version 1.4.3: Released 2010-02-11.

  • Miller Cylindric I projection re-labeled as just "Miller Cylindric". Miller's equations allowed for an infinite number of possible variations but he indicated that just one met his requirements.
  • Times Atlas projection revised to use Snyder (1993) equations rather than Snyder (1977). Parallels poleward of ±70° are lengthened, with the pole lines becoming 10% longer.
  • Added Gott Equal-Area Elliptical projection (#89).
  • Added Mayr projection (#90), using Ipbüker's Maclaurin series expansion to evaluate the elliptic integral.
  • Added Tobler G1 projection (#91).
  • Apian Globular II projection re-labeled as just "Apian II".
  • Ortelius Oval modified to allow for choice of hemispheric or global display.
  • Bugfix: Raisz Half-Ellipsoidal was not auto-scaled to fill map area for any tilt angle.
  • Bugfix: Lines of latitude were double drawn in many projections (all azimuthals, polyconics, orthoapsidals).
  • Bugfix: Meridians were drawn even when underlying map border in most projections (all cylindrics, pseudocylindrics, polyconics, orthoapsidals).
  • Library: (Mac) Quaqua FC updated to version 6.4.

Version 1.4.2: Released 2010-01-22.

  • Added Hill Eucyclic projection (#86).
  • Apian Globular II modified to allow for choice of hemispheric or global display.
  • Added Fournier Globular I projection (#87).
  • Improved drawing of meridians in Eckert III and Eckert IV projections.
  • Added Bacon Globular projection (#88).
  • Bugfix: Conic projections drawing continental outlines outside right and bottom margins.
  • Library: (Mac) Quaqua FC updated to version 6.3.1.

Version 1.4.1: Released 2010-01-11.

  • Apply consistent "slop" factor to all projections to allow for possible round-off errors when testing translateLL2XY result against map margins.
  • Bugfix: Map windows not correctly downsized if display smaller than default window size.
  • Bugfix: Checkmark in color pop-up menus not drawn correctly for Java 1.6.0_17 on Mac OS X 10.6.
  • Bugfix: Option-click (alt-click) get-info box over-corrected for map margin.
  • Library: JDOM updated to version 1.1.1.

Version 1.4: Released 2009-11-19.

  • Input images may be read in from GroundOverlay images referenced in OpenGIS KML and KMZ files.
  • Added a new "boundaries" dialog when opening a regular map image so that user may work with non-global equirectangular source maps.
  • Bugfix: Output prefs panel was missing JPEG option.

Version 1.3.2: Released 2009-10-23.

  • Bugfix: Overlay menus in preferences window threw exception when "<none>" selected.
  • Bugfix: Controls for second overlay in preferences window not initialized to correct values.
  • Bugfix: Meridians interrupted by small gaps near equator in several projections.
  • Library: (Mac) Quaqua FC updated to version 6.2.

Version 1.3.1: Released 2009-09-29.

  • Added ability to save plot images in uncompressed TIFF format.
  • Added ability to save plot images in JPEG format.
  • Improved handling of gridline and outline drawing near edges of regional map projections (e.g., azimuthals with small radius).
  • Bugfix: Wagner V projection not quite right due to a constant term omitted by source text originally used for projection equations.
  • Bugfix: Sorting of projection names was not locale-friendly (i.e., Érdi-Krausz in wrong menu position).
  • Library: (Mac) Quaqua FC updated to version 6.0.1.

Version 1.3: Released 2009-07-31.

  • Bugfix: Localization missed some places where numerical text input was interpreted.
  • Added option for higher resolution output.
  • Added option to draw second overlay/outline on map.
  • Bugfix: Use of Close menu command on a map window did not initiate clean-up of memory used by window.
  • (Mac) Switched to Quaqua open/save file chooser with option to specify file format.
  • Allow for user-specified map border weight, up to twice as heavy as max graticule or continent outline weight.
  • Bugfix: XY->LL translation in Vertical Perspective could throw NaN error for some combinations of radius parameter and projection centering.
  • PS/PDF output and printing always use variable weight line strokes rather than optional semi-transparent fixed-weight strokes.

Version 1.2.2: Released 2009-04-07.

  • Bugfix: Lack of localization prevented use of comma as decimal separator.

Version 1.2.1: Released 2009-03-30.

  • Re-factored autoscale method for all projections to provide cleaner extensibility from AbstractProjection.
  • Re-factored some projections' transformation code in conjunction with documentation project.
  • Added Braun Stereographic projection (#84).
  • Added Braun Perspective projection (#85).
  • Bugfix: Bonne projection reported lon-lat values for some pixels outside of map area.

Version 1.2: Released 2008-12-19.

  • Separate projection for Interrupted form of Goode Homolosine (was #84) removed.
  • Choice of uninterrupted vs. interrupted format (and type of interruption) made a user-specifiable option for twelve pseudocylindric projections, including Goode Homolosine; McBryde P3, Q3, S2 and S3; Mollweide; Boggs Eumorphic; Sinusoidal; and McBryde-Thomas Flat-Polar Parabolic, Quartic, and Sinusoidal projections.

Version 1.1.4: Released 2008-11-20.

  • Sped up reading in text outline overlay file data.
  • Sped up reading in of larger input map image files for several image types.
  • Bugfix: Canters Polyconic 1989-f9 projection reported lon-lat values for outside-of-map areas within arc of pole curves.
  • Simplified grid-drawing for pseudocylindrics.
  • Added Interrupted form of Goode Homolosine projection as a separate projection (#84).
  • Bugfix: Gridlines not drawn anti-aliased on some platforms/JRE combinations.
  • Mac and Windows versions configured to request more memory from system, which should alleviate problems dealing with large input map images (e.g., 5400×2700 Blue Marbles).

Version 1.1.3: Released 2008-08-04.

  • Added "fill corners" option to azimuthal equal-area, azimuthal equidistant and stereographic projections.
  • Linux version uses default "metal" look-and-feel.

Version 1.1.2: Released 2008-03-04.

  • Added Boggs Eumorphic projection (#80).
  • Added Nell projection (#81).
  • Added Fahey projection (#82).
  • Added Bonne projection (#83).

Version 1.1.1: Released 2007-10-30.

  • Bugfix: Reset button in prefs panel did not reset any projection "extra parameter" values.
  • Bugfix: Equidistant conic in error for case of ϕ1 = ϕ2 and both negative valued.
  • Added Urmayev sinusoidal series of projections (#79).
  • (Mac) Bugfix: Anti-aliasing of map border and graticule did not work on OS X 10.5 Leopard.
  • (Mac) Added large icons for OS X 10.5 Leopard cover flow.

Version 1.1: Released 2007-10-05.

  • Java 1.5 is now required.
  • Added equidistant conic projection (#76).
  • Added Albers equal-area conic projection (#77).
  • Added Lambert conformal conic projection (#78).
  • Preferences can save "extra parameter" settings should a projection have such (e.g., a standard parallel).
  • Added Reset button to preferences to restore default settings.
  • Bugfix: AbstractProjection's drawGrid scheme messed up near poles of azimuthal projections.
  • Rewrote AbstractProjection's drawPath's handling of lines which wrap around borders ±180° from central longitude.
  • Other refactoring of projection codebase as part of code clean-up and shift to Java 1.5.

Version 1.0.2a: Released 2007-05-24.

  • (Mac) Bugfix: If CNO file double-clicked on desktop, tried to open it as image file rather than continent data.
  • Added Larrivée projection (#74).
  • Added Baker Dinomic projection (#75).
  • Modified Mollweide projection to allow use of Bromley variant.
  • Optimizations and other internal modifications to projection codebase.

Version 1.0.1: Released 2007-04-04.

  • Bugfix: Help window content could not be updated once window was created.
  • Added Putniņš P2 projection (#66).
  • Added Putniņš P6 projection (#67).
  • Added Putniņš P6' projection (#68).
  • Bugfix: Miller Cylindric I projection was missing constant scaling term in y. Also was mis-identified simply as "Miller Cylindric".
  • Bugfix: Robinson projection did not scale to fit plotting area.
  • Bugfix: Map window was hard-coded to a size larger than some older monitors.
  • Added Times Atlas projection (#69).
  • Added Modified Gall, aka Oxford Atlas, projection (#70).
  • Added Pavlov projection (#71).
  • Added Cylindrical Equal-Area projection (#72). Apply φts = 0.° to get Lambert's CEA projection, φts = 30.° to get Behrmann's projection, and φts = 45.° to get the Gall-Peters (aka Gall's Orthographic) projection.
  • Added Ginsburg VIII projection (#73).
  • Hide center-of-projection latitude input field if projection cannot be centered off the equator.
  • Bugfix: Bad y-shift value for Raisz Half Ellipsoidal if tilt = 0°.
  • Bugfix: Some OSes/Javas not all able to read same list of input image formats via ImageIO, e.g., Windows version unable to open TIFFs.
  • (Non-Mac) Use JFileChooser rather than FileDialog for file opens and saves.
  • Bugfix: App could hang when displaying Equirectangular projection and grid spacing set to 0.

Version 1.0 (Build 73D1): Released 2007-03-13.

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