### SAOImageDS9 Version 1.9 Release Notes

#### Version 1.9.8

1. `fixed a problem with listing regions that are very long. the size limit has been increased from 1024 to 8192`
2. `completed MS Windows port`
3. `fixed a problem with large polygons in FITS Regions bin table format`
4. `ds9 will now correctly load a FITS Extension image without a primary header`
5. `xpa wcs [reset|replace|append] function added`
6. `the default nameserver is now 'simbad-sao'`

#### Version 1.9.7.2

1. `fixed a problem with reading arrays via xpa and extra data an the end of the image`
2. `fixed a problem with region callbacks and actions on regions within the callback`
3. `fixed a memory leak with deleteing polygon vertices`
4. `double click on region with select=0 no longers opens a dialog`
5. `added select property to ds9 region properties list`
6. `for default annulus, ellipse annulus, box annulus, the number of annuli is now used when the user click and drags`
7. `fixed a problem with ellipse annulus and box annulus and zero inner radius`
8. `fixed a problem with box and boxannuls and updating the region dialog coords`
9. `fixed a problem with turning off/on active frames`
10. `fixed a problem with saving fits images created from a fits image extension`
11. `added new 'new' option to xpa points 'FITS' and 'ARRAY' to create a new frame before loading the new image`
12. `completed port HP-UX`

#### Version 1.9.7.1

1. `fixed a problem with prefs and sourcing external tcl files`

#### Version 1.9.7

1. `mktclapp is now used to build the application from tcl`
2. `fixed a problem with HMS and hour=0`
3. `fixed a problem with parseing old ds9 region files and 'global'`
4. `support for SAOtng Regions file format has been restored`
5. `upgraded to tcl/tk 8.3.2`
6. `upgraded to blt2.4u`
7. `minor changes made to ciao regions file format`
8. `fixed a problem with Ciao FITS regions files`

#### Version 1.9.6

1. `Added Truecolor Colorbar preference`
2. `Fitsy++ now supports fixed and free format keyword strings correctly`
3. `While in 'Pan' mode, the arrow keys may be used to pan the image`
4. `Custom Page Setup in mm is now supported`
5. `Region Text string can now contain both a ' and "`
6. `Region File format for text now supports the following text strings:`
7. `text="This is a test"`
   `text="This is a test of '"`
   `text='This is a test of "'`
   `text={This is a test of ' and "}`
8. `DS9 will now correctly parse a regions spec with a delim of ';'`
9. `XPA tcl command now runs in the same context frame as source and ds9`
10. `Fixed a problem with the Colorbar contrat/bias dialog and truecolor`
11. `Fixed a problem with BOX list/save format`
12. `Fixed a problem with contours in that one extra level was generated when using the low/high and number of contours controls`
13. `Updated to Doug Mink's wcssub version 2.8.1, which fixes a problem with keywords without an '='`
14. `Fixed a problem with printing Region Text with '(', ')', or '\' in it.`
15. `Region file format is now valid for both reading and writing Region files`
16. `Implemented new Regions file format, version 3`
17. `Fixed a problem with IRAF and the 'f' and 'c' keys`
18. `Images with odd length will center on pixel boundaries`
19. `The number of bins if determined from TLMIN/TLMAX will now vary, based on column type (integer or real). The bin space for integer is TLMIN-.5 to TLMAX +.5 and for real TLMIN to TLMAX.`
20. `Binning Dialog box is now non-modal`
21. `Made improvements in the resolution of coordinates`
22. `Added the -version command line option`
23. `Fixed a problem with bad name resolution and NED-SAO`
24. `Fixed a problem with -grid and -contour command line options`
25. `Add -format, -coord, -coordformat, and -delim to xpaget regions`
26. `Added FITS bin table filtering`
27. `Changed XPA BLOCK to BIN`
28. `bin factors of less than 1 but greater that 0 are now allowed`
29. `fixed a problem with ecliptic coords and FITS BIN TABLES with wcs`
30. `Fixed a problem with contours and high resolution values`
31. `Added algorithm method to contours`
32. `Fixed a problem with contours and re-binning a FITS bin table`
33. `Changes to BIN commandline options to mirror BIN xpa options`
34. `Added raise/lower command line options`
35. `Added raise/lower xpa options`
36. `Cut/Paste to/from the primary selection is now provided`
37. `Added new type of grid, Exterior Axis with interior numerics`
38. `Fixed problems with grid numerics and rotation of non-zero`
39. `Fixed a problem with graphs and no FITS loaded`
40. `Added Regions Delimiter menu`
41. `Added ANNULUS, ELLIPSE ANNULUS, and BOX ANNULUS regions`

#### Version 1.9.5

1. `Fixed a problem with Saving FITS images on byte swaped platforms`
2. `FITS Bin table support now uses TLMIN/TLMAX to determine binning buffersize up to the user specified limit`
3. `Fixed the XPA Regions format,coord, and coordformat calls`
4. `Changed the behavior of $xpaget ds9 regions [format|coord|coordformat]`

#### Version 1.9.4

1. `Added ability to save a FITS bin table as a FITS image`
2. `Added xpa point to support the above`
3. `Fixed a problem with loading arrays`
4. `Added support for the Rosat All Sky Survey`
5. `Added command line support for DSS and RASS`
6. `Fixed a problem with displaying LINEAR WCS`
7. `DS9 is now much more tolarent of FITS files in which the data segment is short in size, ie, is not a multiple of FITBLOCK (2880 bytes)`
8. `Fixed a problem with FITS files with headers with 100's or 1000's of comments or history keywords`
9. `Enhanced Preferences support`
10. `The information panel is now updated during blinking`
11. `Fixed a problem with long frame names`
12. `Added new fuctionality to the 'Frame' xpa point`
13. `Fixed a memory problem that caused problems with the Alpha port`
14. `Fixed a problem with regions in sexagesimal format and NATIVE WCS`
15. `DS9 is now much mor tolerant of sexagesimal format regions that do not map directly on top of a image`
16. `Implemented the new default region format`
17. `Fixed a problem with Polygon regions and creating/moving vertices`
18. `Added Colormap Contrast and Bias Dialog`
19. `Fixed a problem with Box regions and negative width and height`
20. `Angle has been added to the Ruler Region dialog box`
21. `Length has been added to the Line Region dialog box`
22. `Fixed a problem with Region Text and the '"' character`
23. `Added XPA point for DSS`
24. `Added XPA point for RASS`
25. `Added XPA point for Name Servers`
26. `Fixed a problem with rotated Regions and IRAF images`
27. `Added XPA point xpaget fits`
28. `Added XPA point xpaset file save <filename>`
29. `xpa regions may now be delimited by nl or semicolon`

#### Version 1.9.3

1. `Fixed a problem with preferences. The prefs file was not parsed.`
2. `Fixed a problem with xpaset ds9 fits and multiple ext fits files`
3. `Fixed some minor problems with xpa and blink,frame`
4. `Added xpaset ds9 frame [first|next|prev|last]`
5. `Added printing of pixel tables`
6. `Added Copy/Paste support for pixel tables`
7. `Fixed a problem with changing the size of pixel tables`
8. `'F' toggles Info Pannel 'freeze' mode.`
9. `Full shared memory support has been added`
10. `$xpaget ds9 shm`
    `$xpaset -p ds9 shm 102 8640`
    `$xpaset -p ds9 shm shmid 102 8640 foo[2]`
    `$xpaset -p ds9 shm mosaicimage key 100 10240 foo`
    `$xpaset -p ds9 shm mosaic key 100 10240 foo[3]`
    `$xpaset -p ds9 shm array shmid 102 8640 [dim=32,bitpix=16]`

    `$xpaset -p ds9 update 1 100 100 200 200 # update HDU1 in image coords`
    `$xpaset -p ds9 update 3 400 400 500 500 # update HDU3 in image coords`

#### Version 1.9.2

1. `Fixed yet another problem with contours`
2. `Fixed a problem with loading arrays with bitpix of -64`

#### Version 1.9.1

1. `Fixed the 'Analysis' menu item 'DSS'`
2. `provided for more backward compatibility with old preference files`
3. `Fixed a problem with IRAF support and changing buffer sizes`
4. `Fixed a problem with contours and reading incorrectly levels`
5. `Fixed a problem with printing and pan/rotation/zoom`
6. `Fixed a problem with Grid Rotated numbers and MSB/LSB cross-platform`

#### Version 1.9

1. `DS9 now supports IRAF!`

1. `point regions now have the include/exclude property`
2. `crosshairs will now print`
3. `fixed a problem with contours and the contour dialog is visible`
4. `fixed a problem with the wcs of FITS files with very long headers`
5. `added Pixel Table feature`
6. `contours now appear in the magnifier with graphics enabled`
7. `John Roll's Tcl Ast package has been added`
8. `DS9 is now more tolerant of 'SIMPLE = F' type FITS files`
9. `fixed a problem with render speed in single frame mode and multiple frames loaded`
10. `The Pan Zoom Rotate Dialog Box is now Non-Modal`
11. `Name Resolution support has been added`
12. `DSS support has been added`
13. `A problem with contours has been corrected. if contours levels = n, then n+1 contours are actually rendered`
14. `DEC Alphas are now supported`
15. `SGI is now supported`
16. `LINEAR WCS is now fully supported`