[Qgis-developer] Access violation - no RTTI data

[Matthias Kuhn]

Hi Tom,

RTTI is some low-level C++ functionality to determine an objects type
(roughly equivalent to `type(myobject)` in python). It can be enabled
and disabled during compilation. Apparently it was disabled on your QGIS
build.

The bad news: QGIS uses this information to determine which type of
symbollayer is in use.

The good news: This can be fixed, I've just fixed it in master [1].
Please let me know if you need this backported and where to (so you can
test).

Matthias

[1]
https://github.com/qgis/QGIS/commit/8fa3127c66220ad338ea9a1b367b0d78c56c9067

On 10/16/2016 01:14 PM, Tom Chadwin wrote:
> So RTTI is info about object data types at runtime? Is the print unable to
> determine the symbollayer or symbollayerlist (or whatever the latter is)
> type? Why? 
> 
> Obviously, my aim is not to print, but to use the data. However, the error
> occurred before I used print to investigate the problem. 
> 
> Can anyone help?
> 
> 
> 
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