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17 Commits

Author SHA1 Message Date
KIU Shueng Chuan
e10dbfd9e1 change examples to use setCameraPosition 2021-07-17 18:25:21 +08:00
Ogi Moore
9624b2a049 Do not attempt to avoid np.log(0), instead ignore the warning 
Fixes #1775, also took the opportunity to clean the file a bit.
 2021-05-16 10:18:23 -07:00
KIU Shueng Chuan
21296cd4f3 change all examples to use pg.exec() 2021-05-14 06:16:21 +08:00
Ogi Moore
03ea368454 Clean up Errors for CodeQL analyzer 
CodeQL identified some errors and warnings, which this commit cleans up.
 2021-04-23 22:44:29 -07:00
Ogi Moore
c4a1cf11a1 Use clip_array or clip_scalar instead of np.clip 
Significant performance issues have been identified with np.clip
and thus clip_array was created to speed up the operation.  In addition
clip_scalar was created to clip a scalar value between two other values
this commit replaces many uses of np.clip from operating on scalars to
using clip_scalar instead
 2021-04-23 11:53:00 -07:00
Ogi Moore
f60fa3b534 Use clip_array instead of np.clip in GLVolumeItem 2021-04-23 11:53:00 -07:00
Ogi Moore
f8cefa6284 Use hypot method to avoid over/underflow errors 
Use hypot instead of manual calculation
 2021-04-23 11:53:00 -07:00
Ogi Moore
b0a3849960 Use math module methods for singular values 
Using numpy methods that are intended for vectorized operations is
substantially slower than using the math module, so when feasible the
math module methods should be used.
 2021-04-23 11:53:00 -07:00
Ogi Moore
4951bd743e
Replace main stanza with PyQt6 compatable variant (#1645) 
* Replace main stanza with PyQt6 compatable variant

* Use fn.mkQApp instead

* remove needless comments
 2021-03-22 11:17:12 -07:00
Ogi Moore
309195ceea
Fix windows hidpi (#1516) 
* set environment variables before starting QApp

* fix-422

* Better support of hidpi

* Fix Typo in App-Name

* Remove fontScaleFactor bits

* Add documenation for hidpi displays

* Fix pg not defined
 2021-01-27 10:59:07 -08:00
Ogi Moore
85773e4530
Revert "have mkQApp configure QApplication such that it handles HIDPI displays on Windows (#1509)" (#1515) 
This reverts commit 98f6b2f1a5.
 2021-01-27 10:42:38 -08:00
Ogi Moore
98f6b2f1a5
have mkQApp configure QApplication such that it handles HIDPI displays on Windows (#1509) 
* set environment variables before starting QApp

* fix-422

* Better support of hidpi

* Fix Typo in App-Name

* Remove fontScaleFactor bits

* Add documenation for hidpi displays
 2021-01-27 10:05:56 -08:00
Luke Campagnola
491aee0fe2 python3 fixes 
cleaned up examples
 2013-02-24 23:09:03 -05:00
Luke Campagnola
45048467b3 - Major reorganization; we now follow the standard python package structure. 
- Overhaul of SVG export system. Seems to work well.
- Fixed image export bugs
- Added basic 3D line plot class
 2012-12-26 17:51:52 -05:00
Luke Campagnola
3de5719011 Merged testing code from Kratz 
Numerous fixes for python 3 compatibility
 2012-12-05 00:25:45 -05:00
Luke Campagnola
044b26e11c OpenGL: 
improved mouse/keyboard interaction
  bugfix in GLViewWidget.cameraPosition
 2012-04-28 15:12:46 -04:00
Luke Campagnola
920fd9333e OpenGL scenegraph updates 
- volumetric rendering
 - isosurfaces, mesh rendering
 - basic transformation and parent/child functionality
 2012-03-09 12:38:15 -05:00