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[fitsbits] WCSLIB 3.3
Greetings, As presaged at the FITS BoF at ADASS, WCSLIB 3.3 is now available from ---------- http://www.atnf.csiro.au/~mcalabre This release contains some fixes to WCSLIB 3.2 gleaned from usage in aips++ but the main changes are primarily in PGSBOX. Change notes for each are appended. Mark Calabretta ATNF WCSLIB version 3.3 (2003/10/21) ------------------------------- * In celset(), the default value for phi_p (LONPOLE) is phi_p = phi_0 + ((delta_0 theta_0) ? 180.0 : 0.0) Previously phi_0 (which is normally zero) was not added. Reported by David Berry ). * wcsprt() and linprt() now check that the structs have been initialized. * In wcsini(), when the wcsprm flag is -1 also set the linprm flag to -1 to force initialization of the memory managed by linset(). * wcsset() now explicitly initializes the celprm and spcprm structs via celini() and spcini(). * Fixed syntax errors in the macro definitions of linrev_errmsg and linfwd_errmsg. * In Makefile, added the -ansi option to gcc to force it to behave like a strict ANSI C compiler, specifically in setting the __STDC__ preprocessor macro. PGSBOX version 3.3 (2003/10/21) ------------------------------- * PGSBOX now recognizes status returns -1, -2, and -3 from NLFUNC for opcodes +2 and +1 which cause it to accept the returned (x,y) coordinates but not consider them as one end of a crossing segment for labelling world coordinate 1, 2, or both. * PGSBOX now takes care not to lose vertical tick marks (and hence labels) at the left or right edge of the frame. Likewise for horizontal tick marks at the top or bottom edge of the frame. * Tightened up the test in PGSBOX for cycles in angle to catch the case where the coordinate value spans a full 360 degrees. * PGSBOX will no longer accept frame crossings that are too oblique; floating point rounding errors may cause grid lines that should otherwise track along the frame to weave down it from side-to-side resulting in spurious crossing points. * Fixed a bug in pgwcsl_() for processing simple linear coordinates. * pgwcsl_() now returns error -2 if the latitude is outside -90 to +90 for opcodes +2 and +1. * Amended the translation of status return codes from WCSLIB in pgwcsl_(). * Provided a header file for pgwcsl_() (mainly for C++ usage). * Added extra test plots to PGTEST and cpgtest. * Added extra functionality to the Makefile. |
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