pxscale option is now an integer as stated in the vispy's Canvas docu…

…mentation

README.md

@@ -32,16 +32,11 @@ WASSncplot is a command-line tool. You can get a description of the available pr
 arguments with the following command: 
 
 ```
-$ wassncplot -h
-
-
- wassncplot v. 2.0.1
+ wassncplot v. 2.0.4
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 Copyright (C) Filippo Bergamasco 2022
 
-usage: wassncplot [-h] [-f FIRST_INDEX] [-l LAST_INDEX] [-s STEP_INDEX] [-sd STEP_DATA_INDEX] [-b BASELINE] [--zmin ZMIN] [--zmax ZMAX] [--alpha ALPHA] [--pxscale PXSCALE]
-                  [--wireframe] [--no-wireframe] [--savexyz] [--saveimg] [--ffmpeg] [--ffmpeg-delete-frames] [--ffmpeg-fps FFMPEG_FPS]
-                  ncfile out
+usage: __main__.py [-h] [-f FIRST_INDEX] [-l LAST_INDEX] [-s STEP_INDEX] [-sd STEP_DATA_INDEX] [-b BASELINE] [--zmin ZMIN] [--zmax ZMAX] [--alpha ALPHA] [--pxscale PXSCALE] [--wireframe] [--no-wireframe] [--savexyz] [--saveimg] [--ffmpeg] [--ffmpeg-delete-frames] [--ffmpeg-fps FFMPEG_FPS] ncfile out
 
 positional arguments:
   ncfile                Input NetCDF4 file
@@ -62,7 +57,7 @@ optional arguments:
   --zmin ZMIN           Minimum 3D point elevation (used for colorbar limits)
   --zmax ZMAX           Maximum 3D point elevation (used for colorbar limits)
   --alpha ALPHA         Surface transparency [0..1]
-  --pxscale PXSCALE     Desktop pixel scale (set to 0.5 if using OSX with retina display)
+  --pxscale PXSCALE     A scale factor to apply between logical and physical pixels in addition to the actual scale factor determined by the backend.
   --wireframe           Render surface in wireframe
   --no-wireframe        Render shaded surface
   --savexyz             Save mapping between image pixels and 3D coordinates as numpy data file
@@ -72,7 +67,6 @@ optional arguments:
                         Delete the produced frames after running ffmpeg
   --ffmpeg-fps FFMPEG_FPS
                         Sequence framerate
-
 ```
 
 
@@ -84,8 +78,6 @@ $ python wassncplot.py ./wass_20140327_0910/3D/wass__20140327_091000.nc ./out
 
 Will render the sequence stored in  ```./wass_20140327_0910/3D/wass__20140327_091000.nc``` to the directory ```./out```.
 
-*** Note for OSX users: *** If using retina display you may get uncorrect results. To solve this, try setting ```--pixscale 0.5```
-
 
 ## License
 

src/wassncplot/WaveFieldVisualize/waveview2.py

@@ -118,8 +118,8 @@ def gen_triang_indices( M, N ):
 
 class WaveView(app.Canvas):
 
-    def __init__(self, title, width=800, height=600, wireframe=False, pixel_scale=1.0 ):
-        app.Canvas.__init__(self, resizable=False, size=(width, height), show=False, px_scale=pixel_scale )
+    def __init__(self, title, width=800, height=600, wireframe=False, pixel_scale=1 ):
+        app.Canvas.__init__(self, resizable=False, size=(int(width), int(height)), show=False, px_scale=int(pixel_scale) )
 
         self.width = width
         self.height = height

src/wassncplot/wassncplot2.py

@@ -12,7 +12,7 @@
 import scipy.io
 
 
-VERSION="2.0.3"
+VERSION="2.0.4"
 
 
 
@@ -33,7 +33,7 @@ def wassncplot_main():
     parser.add_argument("--zmin", type=float, help="Minimum 3D point elevation (used for colorbar limits)")
     parser.add_argument("--zmax", type=float, help="Maximum 3D point elevation (used for colorbar limits)")
     parser.add_argument("--alpha", default=0.5, type=float, help="Surface transparency [0..1]")
-    parser.add_argument("--pxscale", default=1.0, type=float, help="Desktop pixel scale (set to 0.5 if using OSX with retina display)")
+    parser.add_argument("--pxscale", default=1, type=int, help="A scale factor to apply between logical and physical pixels in addition to the actual scale factor determined by the backend.")
     parser.add_argument("--wireframe", dest="wireframe", action="store_true", help="Render surface in wireframe")
     parser.add_argument("--no-wireframe", dest="wireframe", action="store_false", help="Render shaded surface")
     parser.add_argument("--savexyz", dest="savexyz", action="store_true", help="Save mapping between image pixels and 3D coordinates as numpy data file")