Survex 1.2.36 released

Olly Betts olly at
Wed Jul 18 03:42:01 BST 2018

Survex 1.2.36 is now available:

There are a few new features in this release, but the bulk of the
changes are consolidating changes made in 1.2.35.

Here's the full NEWS file entry for this release:

Changes in 1.2.36 (2018-07-18):

* aven:

  + Add support for exporting as a CSV (Comma-Separated Values) file.

  + Support exporting KML with altitude mode "clamp to ground".  In this mode,
    the altitude in the data is ignored and it's rendered on the surface of the
    terrain.  This is useful if your KML viewer renders the terrain as opaque
    so underground data isn't visible.  Rendering cave passages on the surface
    isn't great, but is better than not being able to see them at all.  This
    option may also be helpful if you want to see where to look on the surface
    for new entrances.

  + Highlight surveys with a white loop as the mouse is moved over them in
    the survey tree.  This is akin to how we highlight a station with a
    white ring, and allows restoring "double-click survey in tree to zoom"
    which temporarily required a quadruple-click in 1.2.35.

  + Only show checkboxes in the survey tree for surveys not stations.

  + Fix wxWidgets assertion if the user tried to select additional surveys
    to show via the right-click menu.

  + Fix multiple survey filtering when both a parent and child survey are
    selected.  In this case it makes most sense to show all child surveys of
    the parent, but we actually showed a slightly arbitrary subset of the
    child surveys of the parent.

  + The checkbox area in the survey tree is now included in the area which
    is considered by mouse-over updates such as highlighting the station or

  + Fix display of double quotes in cavern log window (they were being replaced
    with control character 0x16 due to a typo in the code).

  + Add shortcuts to buttons in cavern log window.

  + Eliminate use of gluErrorString() function which eliminates some
    deprecation warnings when building on macOS.

  + Reject multiple --survey command line options for now (only the last has
    been used for a long time, but now we actually support multiple survey
    filtering this matters more).

* survexport:

  + Report a useful error when trying to convert a .3d file without coordinate
    system information to GPS.  Reported by Mark Shinwell.

  + Handle multiple redundant --survey command line options correctly.

* dump3d: Report station flag "WALL", which was added in 1.2.7.

* Minor translation updates.

* Update manual for Microsoft Windows changes.

* tests/: Add test coverage for warnings about suspect readings

* Fix warning when compiling with clang.

Here are SHA256 checksums should you want to verify the integrity of the

8781f33daf61c5d22e52400e6130e66a1fec7557cf9aa793d0e26e9b37204ed0  survex-1.2.36.tar.gz
67908b1d1a272c1ad377aa77eb70647330223d677d9423c01ac5869cc66f8314  survex-win32-1.2.36.exe

There are also detached GPG signatures in the download directory:

There are "release notes" on the wiki, which I'll try to keep updated
with any issues found, so take a look there for the latest information:

Please report any issues you find which are not covered in the release
notes to the bug tracker (

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