def visualize_colorbar(savedir, min=0.75, max=1.0):
gl.resetdefaults()
gl.minmax(0, min, max)
gl.colorname(0, colorname)
gl.opacity(0, 0)
gl.colorbarposition(1)
gl.savebmp(os.path.join(savedir, 'colorbar.png'))
def main():
EXP_DIR='results/graph_neural_mapping'
NII_DIR='saliency_nii'
SAVE_DIR='saliency_img'
os.makedirs(os.path.join(EXP_DIR, SAVE_DIR), exist_ok=True)
gl.resetdefaults()
gl.loadimage('mni152')
gl.overlayloadsmooth(True)
gl.opacity(0, 50)
gl.colorbarposition(0)
visualize_axial(os.path.join(EXP_DIR, NII_DIR), os.path.join(EXP_DIR, SAVE_DIR))
visualize_sagittal(os.path.join(EXP_DIR, NII_DIR), os.path.join(EXP_DIR, SAVE_DIR))
visualize_colorbar(os.path.join(EXP_DIR, SAVE_DIR))
import gl
gl.resetdefaults()
#open background image
gl.loadimage('spm152')
#open overlay: show positive regions
gl.overlayloadsmooth(1);
gl.overlayload('spmMotor')
gl.minmax(1, 4, 4)
gl.opacity(1,50)
#open overlay: show negative regions
gl.overlayloadsmooth(0);
gl.overlayload('spmMotor')
gl.minmax(2, -4, -4)
gl.colorname (2,"3blue")
gl.overlayloadsmooth(1);
print("n.b. Blue surface is jagged (smoothing off)");