下面是Release NotesOpenGeoDa 0.9.8.14 (alpha) Release NotesChanges since 0.9.8.13:- A 'Unique / Key ID Variable' is no longer needed when opening up a SHP file. In the Weights Creation dialog, there is now an easy way to directly add a new ID Variable to the DBF file directly if needed. It is no longer possible to create a weights file without specifying an ID Variable.- Weights File Creation dialog now opens the current project shape file by default.- Select Weight dialog now opens up to the same directory as the currently open shape file.Changes since 0.9.8.12:- Re-enabled the ability to choose a character field from the DBF file as a key variable upon opening a shape file. At the moment, character fields are not offered as an option in the weights creation dialog. Use <Record ID> as a workaround if needed.Changes since 0.9.8.11:- Table 'Promotion' option only does something when at least one observation is selected.- A widespread issue on Mac where parts of various images where being duplicated by being slightly shifted upwards has been solved.Changes since 0.9.8.10:- It is now possible to choose between Arc Distance / Euclidean Distance and Center Points / Mean Centers for all weights creation options that require distance between polygon / point centers.- Arc distance calculation corrected: input is degrees of lat/long and output is arc distance in miles with the assumption that earth is a perfect sphere with a radius of 3959 miles.- 'Central Points' labels changed to 'Mean Center'. The mean center calculation was previously incorrect. Also note that legacy GeoDa incorrectly calls mean centers 'centroids'. OpenGeoDa also offers centroids and these are now calculated correctly as the center of gravity..- All weights creation functionality has been verified to be correct. Changes since 0.9.8.9:- Solved an issue where Bivariate Map Movie would sometimes crash.- Bivariate Equal Interval Map no longer crashes.- Shape file to BND conversion crash on Windows is fixed.- Shape File from ASCII import fixed.- Table "Save to Shape File as ..." menu item working again.- Data Export: Centroids/Mean Centers no longer results in an occasional crash.- Shape File Creation: polygons from BND now works.Changes since 0.9.8.8:- Hinge = 3.0 theme now works for various map smoothing options- Map themes are disabled for "Excess Risk" smoothing option- Labels for X, Y, and Z axes now appear in the 3D Control panel window (not in the 3D plot itself). Previously the user had to remember which axis was which.- Check-marks now accurately reflect the current chosen Map theme and smoothing function.- The title for the main tool-bar window now changes to indicate which window is currently active.- Labels for various Map windows (title and legend) have been corrected.- Various bugs fixed to improved Table operation stability. Many operations that would add a new column to the Table caused the program to crash previously.- Weight-create toolbar item is always enabled.- Restored Tools > Weights > Open and Properties menu options.- A problem where shape files generated by OpenGeoDa could not be read by other GIS programs has been resolved.- When opening a shape file, only columns of type integer are presented to the user as possible unique polygon identifiers.Changes since 0.9.8.7:- New image output formats: The "Save Image As" dialog now has options for BMP, PNG and PS. The PS (PostScript) format is the default and this outputs a vector-graphics version. This file can be easily converted to a PDF file with various free programs.- Improved stability: several memory-leaks discovered and closed.- Only SHP file name is displayed in the map title and legend rather than the full-path name and name with extension, respectively.- First releases for Linux! Download either 32-bit or 64-bit as appropriate. The 64-bit version is less tested and is more prone to stability issues at this time.
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