Trying to make one texture smaller than card

texture_transform_play.py

"""
Want the sine texture to be a little square inside the card, with noise texture filling the card.
"""
from direct.showbase.ShowBase import ShowBase
from panda3d.core import Texture, CardMaker, TextureStage
from direct.gui.OnscreenText import OnscreenText 
import numpy as np 

#Create matrices for textures
#sin
sinSize = 512
def sin3d(X, freq = 1):
    return np.sin(X*freq)
def sin8bit(X, freq = 1):
    sin_float = sin3d(X, freq=freq)
    sin_pos = (sin_float+1)*127.5; #from 0-255
    return np.asarray(sin_pos, dtype = np.uint8)

x = np.linspace(-8, 8, sinSize)
y = np.linspace(-8, 8, sinSize)
X, Y = np.meshgrid(x,y)
sinTex = sin8bit(X, freq = 1);

#noise
noiseSize = 512
noiseTex = data = np.array(np.random.rand(noiseSize,noiseSize) * 255, dtype=np.uint8)    

class MyApp(ShowBase):
    def __init__(self):
        ShowBase.__init__(self)
        
        #CREATE TEXTURE STAGES
        #Sine
        self.sinTexture = Texture("sin")
        self.sinTexture.setup2dTexture(sinSize, sinSize, Texture.T_unsigned_byte, Texture.F_luminance) 
        self.sinTexture.setRamImage(sinTex)   
        self.sinTextureStage = TextureStage('sin')
        #Noise
        self.noiseTexture = Texture("noise")
        self.noiseTexture.setup2dTexture(noiseSize, noiseSize, Texture.T_unsigned_byte, Texture.F_luminance) 
        self.noiseTexture.setRamImage(noiseTex) 
        self.noiseTextureStage = TextureStage('noise')
        
        #CREATE CARDS/SCENEGRAPH
        cm = CardMaker('card1')
        #Try to make texture smaller
        #cm.setUvRange(-.2,.2,-.2,.2)
        self.card1 = self.aspect2d.attachNewNode(cm.generate())

        #SET TEXTURE STAGES
        self.card1.setTexture(self.sinTextureStage, self.sinTexture)  #ts, tx
        self.card1.setTexture(self.noiseTextureStage, self.noiseTexture)
               
        #CARD TRANSFORMATIONS
        self.card1.setPos(-.7,0,-.85)    
        
        #TEXTURE STAGE TRANSFORMS
        #Scale
        self.card1.setTexScale(self.sinTextureStage, 2, 1)

        self.title = OnscreenText("x",
                                  style = 1,
                                  fg = (1,1,1,1),
                                  bg = (0, 0, 0, 1),
                                  pos = (0,0), 
                                  scale = 0.09)
        
app = MyApp()
app.run()