Python ImageDialog.show方法代码示例

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def imshow(filename):
    win = ImageDialog(edit=False, toolbar=True, wintitle="RGB image item test")
    item = make.rgbimage(filename=filename, xdata=[-1, 1], ydata=[-1, 1])
    plot = win.get_plot()
    plot.add_item(item)
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def test():
    win = ImageDialog(edit=True, toolbar=True,
                      wintitle="Sample multi-polygon item")
    plot = win.get_plot()
    plot.set_aspect_ratio(lock=True)
    plot.set_antialiasing(False)
    plot.set_axis_direction('left', False)
    plot.set_axis_title("bottom", "Lon")
    plot.set_axis_title("left", "Lat")
    
    points = []
    offsets = zeros( (NCIRC, 2), int32)
    colors = zeros( (NCIRC, 2), uint32)
    npts = 0
    for k in range(NCIRC):
        pts = create_circle()
        offsets[k, 0] = k
        offsets[k, 1] = npts
        npts += pts.shape[0]
        points.append(pts)
        colors[k, 0] = COLORS[k%len(COLORS)][0]
        colors[k, 1] = COLORS[(3*k)%len(COLORS)][1]
    points = concatenate(points)
    
    print(NCIRC, "Polygons")
    print(points.shape[0], "Points")
    
    crv = PolygonMapItem()
    crv.set_data(points, offsets, colors)
    plot.add_item(crv, z=0)
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def imshow(data, title=None, hold=False):
    dlg = ImageDialog(wintitle=title)
    dlg.get_plot().add_item(make.image(data))
    if hold:
        dlg.show()
    else:
        dlg.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def imshow(items, title=""):
    gridparam = make.gridparam(background="black", minor_enabled=(False, False),
                               major_style=(".", "gray", 1))
    win = ImageDialog(edit=False, toolbar=True, wintitle=title,
                      options=dict(gridparam=gridparam))
    nc = int(np.sqrt(len(items))+1.0)
    maxy = 0
    y = 0
    x = 0
    w = None
    plot = win.get_plot()
    print("-"*80)
    for i, item in enumerate(items):
        h = item.boundingRect().height()
        if i%nc==0:
            x = 0
            y += maxy
            maxy = h
        else:
            x += w
            maxy = max(maxy, h)
        w = item.boundingRect().width()

        item.set_transform(x, y, 0.0)
        print("Adding item #%d..." % i, end=' ')
        plot.add_item(item)
        print("Done")
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def imshow( items ):
    win = ImageDialog(edit=False, toolbar=True, options={"yreverse": False},
                      wintitle="Pcolor test")
    plot = win.get_plot()
    for item in items:
        plot.add_item(item)
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def imshow( data ):
    win = ImageDialog(edit=False, toolbar=True, wintitle="ImageDialog test",
                      options=dict(xlabel='Concentration', xunit='ppm'))
    item = make.image(data)
    plot = win.get_plot()
    plot.add_item(item)
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def imshow( x, y, data ):
    win = ImageDialog(edit=False, toolbar=True,
                      wintitle="Image with custom X/Y axes scales",
                      options=dict(xlabel="x (a.u.)", ylabel="y (a.u.)",
                                   yreverse=False))
    item = make.xyimage(x, y, data)
    plot = win.get_plot()
    plot.add_item(item)
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def mandel():
    win = ImageDialog(edit=True, toolbar=True, wintitle="Mandelbrot",
                      options=dict(yreverse=False))
    mandel = MandelItem(-1.5, .5, -1., 1.)
    win.add_tool(FullScale, mandel)
    plot = win.get_plot()
    plot.set_aspect_ratio(lock=False)
    plot.add_item(mandel)
    plot.set_full_scale(mandel)
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def hist2d_func(X, Y, Z):
    win = ImageDialog(edit=True, toolbar=True, wintitle="2-D Histogram X0=(0,1), X1=(-1,-1)")
    hist2d = make.histogram2D(X, Y, 200, 200, Z=Z, computation=2)
    curve = make.curve(X[::50], Y[::50], linestyle="", marker="+", title=_("Markers"))
    plot = win.get_plot()
    plot.set_aspect_ratio(lock=False)
    plot.set_antialiasing(False)
    plot.add_item(hist2d)
    plot.add_item(curve)
    plot.set_item_visible(curve, False)
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def imshow(x, y, data, filter_area, yreverse=True):
    win = ImageDialog(edit=False, toolbar=True, wintitle="Image filter demo",
                      options=dict(xlabel="x (cm)", ylabel="y (cm)",
                                   yreverse=yreverse))
    image = make.xyimage(x, y, data)
    plot = win.get_plot()
    plot.add_item(image)
    xmin, xmax, ymin, ymax = filter_area
    flt = make.imagefilter(xmin, xmax, ymin, ymax, image,
                           filter=lambda x, y, data: gaussian_filter(data, 5))
    plot.add_item(flt, z=1)
    plot.replot()
    win.show()
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def get_segment(item):
    """Show image and return selected segment coordinates"""
    win = ImageDialog(_("Select a segment then press OK to accept"), edit=True)
    default = win.add_tool(SelectTool)
    win.set_default_tool(default)
    segtool = win.add_tool(AnnotatedSegmentTool, title="Test",
                           switch_to_default_tool=True)
    segtool.activate()
    plot = win.get_plot()
    plot.add_item(item)
    plot.set_active_item(item)
    win.show()
    if win.exec_():
        shape = segtool.get_last_final_shape()
        return shape.get_rect()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def plotImage(x,y,z,wintitle="Contour Plot",options={"lock_aspect_ratio":False,"yreverse":False}):
    options.update(dict(show_xsection=True, show_ysection=True))
    """Test"""
    # -- Create QApplication    
    _app = guidata.qapplication()
    # --
    win = ImageDialog(edit=True, toolbar=True, wintitle=wintitle,
                      options=options)
    win.resize(1500, 1000)
    item = make.xyimage(x, y, z,interpolation="linear")    
    plot = win.get_plot()
    plot.add_item(item)        
    win.plot_widget.xcsw_splitter.setSizes([400,600])
    win.show()
    return win

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
def test():
    """Test"""
    # -- Create QApplication
    import guidata
    _app = guidata.qapplication()
    # --
    filename = osp.join(osp.dirname(__file__), "brain.png")
    image = make.image(filename=filename, title="Original", colormap='gray')

    win = ImageDialog(edit=False, toolbar=True, wintitle="Contrast test",
                      options=dict(show_contrast=True))
    plot = win.get_plot()
    plot.add_item(image)
    win.resize(600, 600)
    win.show()
    try:
        plot.save_widget('contrast.png')
    except IOError:
        # Skipping this part of the test
        # because user has no write permission on current directory
        pass
    win.exec_()

# 需要导入模块: from guiqwt.plot import ImageDialog [as 别名]
# 或者: from guiqwt.plot.ImageDialog import show [as 别名]
import os, os.path as osp, pickle

from guiqwt.plot import ImageDialog
from guiqwt.tools import ImageMaskTool
from guiqwt.builder import make

SHOW = True  # Show test in GUI-based test launcher

FNAME = "image_masked.pickle"

if __name__ == "__main__":
    import guidata

    _app = guidata.qapplication()
    win = ImageDialog(toolbar=True, wintitle="Masked image item test")
    win.add_tool(ImageMaskTool)
    if os.access(FNAME, os.R_OK):
        print("Restoring mask...", end=" ")
        iofile = open(FNAME, "rb")
        image = pickle.load(iofile)
        iofile.close()
        print("OK")
    else:
        fname = osp.join(osp.abspath(osp.dirname(__file__)), "brain.png")
        image = make.maskedimage(filename=fname, colormap="gray", show_mask=True, xdata=[0, 20], ydata=[0, 25])
    win.get_plot().add_item(image)
    win.show()
    win.exec_()
    iofile = open(FNAME, "wb")
    pickle.dump(image, iofile)