cortical-iv

from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage, TransparencyAttrib
import numpy as np 
from direct.gui.OnscreenText import OnscreenText 
from direct.task import Task

#Create sin
texSize = 512
frequency = 8
def sin3d(X, freq = 1):

cortical-iv

import sys
def get_dpi(screen_num = 0):
    """Calculate the dpi of a given monitor, sensitive to 
    scaling factors they have set."""
    from PyQt5.QtWidgets import QApplication
    app = QApplication(sys.argv)
    screen = app.screens()[screen_num]
    dpi = screen.physicalDotsPerInch()
    app.quit()
    return dpi

cortical-iv

import numpy as np 
import matplotlib.pyplot as plt
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage

def rgb_texture_byte(texture_size = 512, rgb = (0, 0, 0)):
    """ Return Could just set card's bg color but this has other uses."""
    if not (all([x >= 0 for x in rgb]) and all([x <= 255 for x in rgb])):
        raise ValueError("rgb values must lie in [0,255]")
    rgb_texture = np.zeros((texture_size, texture_size, 3), dtype = np.uint8)

cortical-iv

"""
Want to combine (CMModulate) two texture stages from two cards,
but am just seeing the top card's texture stage.
"""
import numpy as np 
from scipy import signal  #for grating (square wave)

from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage
from panda3d.core import TransparencyAttrib

cortical-iv

"""
Goal: rotate mask so it stays centered on the X.
What happens: it rotates and shifts, as if the origin of the coordinate system is 
not at the center of the window.
"""
import numpy as np 
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage
from direct.gui.OnscreenText import OnscreenText   #for binocular stim
import matplotlib.pyplot as plt

cortical-iv

import numpy as np 
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage, TransformState
from direct.gui.OnscreenText import OnscreenText   #for binocular stim
import matplotlib.pyplot as plt
    
class CombineStages(ShowBase):
    """Trying to draw a mask stage over a stim stage and combine them (modulate)
    Note debug variable is 1 to print vars, 2 to print vars and display mask from 
    matplotlib"""

cortical-iv

"""
Why is this mask not rotating around the X? It is rotating in a circle around the origin.
Problem with trs_transform(), where trs = translate, rotate, scale.

With mask_position = (0, 0) it works fine. Once we move from the origin...yikes.
"""
import numpy as np 
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage, TransformState
from direct.gui.OnscreenText import OnscreenText   #for binocular stim

cortical-iv

import numpy as np 
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage
from direct.task import Task

def make_circle_tex(texture_size = 512, circle_center = (0, 0), circle_radius = 50):
    x = np.linspace(-texture_size/2, texture_size/2, texture_size)
    y = np.linspace(-texture_size/2, texture_size/2, texture_size)
    X, Y = np.meshgrid(x, y)
    circle_texture = np.zeros((texture_size, texture_size), dtype = np.uint8)

cortical-iv

"""
texture that scales over time.
Thanks go rdb for help
"""
import numpy as np 
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage
from direct.task import Task
from panda3d.core import TransformState

cortical-iv

"""
cube of concentric sinusoids: one shown in matplotlib, then in panda3d statically, then 
in task manager in sequence when they turn dark.
"""
import numpy as np 
import matplotlib.pyplot as plt
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage
from direct.task import Task
from direct.showbase import ShowBaseGlobal  #global vars defined by p3d