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CARTAvis / carta-backend

Source code repository for the backend component of CARTA, a new visualization tool designed for the ALMA, the VLA and the SKA pathfinders.
https://cartavis.github.io/
GNU General Public License v3.0
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backend crash when exporting region file including polyline #891

Closed kswang1029 closed 3 years ago

kswang1029 commented 3 years ago

@YuHsuan-Hwang found this while implementing the frontend support of polyline (https://github.com/CARTAvis/carta-frontend/pull/1592). After some investigations, it appears that exporting a polyline with specific numbers of points would cause the backend crash. They are 4, 8, 12 and so on.

pford commented 3 years ago

I need more information @YuHsuan-Hwang @kswang1029 . Using frontend commit origin/yuhsuan/1149_polyline_region 5e4870d and backend dev, I opened set_QA/set_QA_regionTest/M17_SWex.image and created a 4-point polyline region and an 8-point polyline region then exported them in CRTF pixel and world and DS9 pixel and world coordinates without a backend crash. Backend was running in Docker with Ubuntu 20.04.

pford commented 3 years ago

I did the same as above on Mix 'n Match with a 4-pt polyline, exported testpolyline4pt.crtf (pixel) and testpolyline4pt_world.crtf (world).

kswang1029 commented 3 years ago

@pford hmmm, have you tried the native mac build? It appears that this only happens on mac...