示例#1
0
    def __init__(self, parent):
        self._parent = parent
        self._vbo = gloo.VertexBuffer()

        self._pos = None
        self._color = None

        self._da = visuals.line.dash_atlas.DashAtlas()
        dash_index, dash_period = self._da['dashed']
        joins = visuals.line.line.joins
        caps = visuals.line.line.caps
        self._U = dict(dash_index=dash_index,
                       dash_period=dash_period,
                       linejoin=joins['round'],
                       linecaps=(caps['|'], caps['|']),
                       dash_caps=(caps['='], caps['=']),
                       antialias=1.0)
        self._dash_atlas = gloo.Texture2D(self._da._data)

        Visual.__init__(self,
                        vcode=self.VERTEX_SHADER,
                        fcode=self.FRAGMENT_SHADER)
        self._index_buffer = gloo.IndexBuffer()
        self.set_gl_state('translucent', depth_test=False)
        self._draw_mode = 'triangles'
示例#2
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    def __init__(self, vertices=None, faces=None, vertex_colors=None,
                 face_colors=None, color=(0.5, 0.5, 1, 1), vertex_values=None,
                 meshdata=None, shading=None, mode='triangles', **kwargs):
        Visual.__init__(self, vcode=vertex_template, fcode=fragment_template,
                        **kwargs)
        self.set_gl_state('translucent', depth_test=True, cull_face=False)

        self.events.add(data_updated=Event)

        # Define buffers
        self._vertices = VertexBuffer(np.zeros((0, 3), dtype=np.float32))
        self._cmap = get_colormap('cubehelix')
        self._clim = 'auto'

        # Uniform color
        self._color = Color(color)

        # add filters for various modifiers
        self.shading_filter = None
        self.shading = shading

        # Init
        self._bounds = None
        # Note we do not call subclass set_data -- often the signatures
        # do no match.
        MeshVisual.set_data(
            self, vertices=vertices, faces=faces, vertex_colors=vertex_colors,
            face_colors=face_colors, vertex_values=vertex_values,
            meshdata=meshdata, color=color)

        # primitive mode
        self._draw_mode = mode

        self.freeze()
示例#3
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    def __init__(self, radius, **kwargs):
        self._vbo = VertexBuffer()
        # self._v_size_var = Variable('varying float v_size')
        self._data = None
        Visual.__init__(self, vcode=vert, fcode=frag)

        # m_window_h / tanf(m_fov * 0.5f * (float)M_PI / 180.0)
        self.view_program["pointScale"] = 600 / np.tan(60 * 0.5 * np.pi / 180)
        self.view_program["pointRadius"] = radius

        self.set_gl_state(depth_test=True, blend=False)
        self._draw_mode = 'points'
        if len(kwargs) > 0:
            self.set_data(**kwargs)
        self.freeze()
示例#4
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文件: windbarb.py 项目: zhiqixu/vispy
 def __init__(self, **kwargs):
     self._vbo = VertexBuffer()
     self._v_size_var = Variable('varying float v_size')
     self._marker_fun = None
     self._data = None
     Visual.__init__(self, vcode=vert, fcode=frag)
     self.shared_program.vert['v_size'] = self._v_size_var
     self.shared_program.frag['v_size'] = self._v_size_var
     self.set_gl_state(depth_test=True,
                       blend=True,
                       blend_func=('src_alpha', 'one_minus_src_alpha'))
     self._draw_mode = 'points'
     if len(kwargs) > 0:
         self.set_data(**kwargs)
     self.freeze()
示例#5
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 def __init__(self, **kwargs):
     self._vbo = VertexBuffer()
     self._v_size_var = Variable('varying float v_size')
     self._symbol = None
     self._marker_fun = None
     self._data = None
     self.antialias = 1
     self.scaling = False
     Visual.__init__(self, vcode=vert, fcode=frag)
     self.shared_program.vert['v_size'] = self._v_size_var
     self.shared_program.frag['v_size'] = self._v_size_var
     self.set_gl_state(depth_test=True, blend=True,
                       blend_func=('src_alpha', 'one_minus_src_alpha'))
     self._draw_mode = 'points'
     if len(kwargs) > 0:
         self.set_data(**kwargs)
     self.freeze()
示例#6
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 def __init__(self,
              text=None,
              color='black',
              bold=False,
              italic=False,
              face='OpenSans',
              font_size=12,
              pos=[0, 0, 0],
              rotation=0.,
              anchor_x='center',
              anchor_y='center',
              method='cpu',
              font_manager=None):
     Visual.__init__(self,
                     vcode=self.VERTEX_SHADER,
                     fcode=self.FRAGMENT_SHADER)
     # Check input
     valid_keys = ('top', 'center', 'middle', 'baseline', 'bottom')
     _check_valid('anchor_y', anchor_y, valid_keys)
     valid_keys = ('left', 'center', 'right')
     _check_valid('anchor_x', anchor_x, valid_keys)
     # Init font handling stuff
     # _font_manager is a temporary solution to use global mananger
     self._font_manager = font_manager or FontManager(method=method)
     self._face = face
     self._bold = bold
     self._italic = italic
     self._update_font()
     self._vertices = None
     self._color_vbo = None
     self._anchors = (anchor_x, anchor_y)
     # Init text properties
     self.color = color
     self.text = text
     self.font_size = font_size
     self.pos = pos
     self.rotation = rotation
     self._text_scale = STTransform()
     self._draw_mode = 'triangles'
     self.set_gl_state(blend=True,
                       depth_test=False,
                       cull_face=False,
                       blend_func=('src_alpha', 'one_minus_src_alpha'))
     self.freeze()
示例#7
0
    def __init__(self, parent):
        self._parent = parent
        self._vbo = gloo.VertexBuffer()

        self._pos = None
        self._color = None

        self._da = visuals.line.dash_atlas.DashAtlas()
        dash_index, dash_period = self._da['dashed']
        joins = visuals.line.line.joins
        caps = visuals.line.line.caps
        self._U = dict(dash_index=dash_index, dash_period=dash_period,
                       linejoin=joins['round'],
                       linecaps=(caps['|'], caps['|']),
                       dash_caps=(caps['='], caps['=']),
                       antialias=1.0)
        self._dash_atlas = gloo.Texture2D(self._da._data)

        Visual.__init__(self, vcode=self.VERTEX_SHADER,
                        fcode=self.FRAGMENT_SHADER)
        self._index_buffer = gloo.IndexBuffer()
        self.set_gl_state('translucent', depth_test=False)
        self._draw_mode = 'triangles'
示例#8
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文件: image.py 项目: zeroth/napari
 def view(self):
     v = Visual.view(self)
     self._init_view(v)
     return v
示例#9
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    def __init__(self,
                 nb_boxes,
                 vertices=None,
                 faces=None,
                 vertex_colors=None,
                 face_colors=None,
                 color=(0.5, 0.5, 1, 1),
                 vertex_values=None,
                 meshdata=None,
                 shading=None,
                 mode='triangles',
                 variable_vis=False,
                 **kwargs):

        # Visual.__init__ -> prepare_transforms() -> uses shading

        if shading is not None:
            raise ValueError('"shading" must be "None"')

        self.shading = shading
        self._variable_vis = variable_vis

        if variable_vis:
            Visual.__init__(self,
                            vcode=vertex_template_vis,
                            fcode=fragment_template_vis,
                            **kwargs)
        else:
            Visual.__init__(self,
                            vcode=vertex_template,
                            fcode=fragment_template,
                            **kwargs)

        self.set_gl_state('translucent', depth_test=True, cull_face=False)

        # Define buffers
        self._vertices = VertexBuffer(np.zeros((0, 3), dtype=np.float32))
        self._normals = None
        self._faces = IndexBuffer()
        self._normals = VertexBuffer(np.zeros((0, 3), dtype=np.float32))
        self._ambient_light_color = Color((0.3, 0.3, 0.3, 1.0))
        self._light_dir = (10, 5, -5)
        self._shininess = 1. / 200.
        self._cmap = get_colormap('cubehelix')
        self._clim = 'auto'
        self._mode = mode

        # Uniform color
        self._color = Color(color)

        # primitive mode
        self._draw_mode = mode

        # Init
        self._bounds = None
        # Note we do not call subclass set_data -- often the signatures
        # do no match.
        VarVisMeshVisual.set_data(self,
                                  vertices=vertices,
                                  faces=faces,
                                  vertex_colors=vertex_colors,
                                  face_colors=face_colors,
                                  color=color,
                                  vertex_values=vertex_values,
                                  meshdata=meshdata)

        self.freeze()
示例#10
0
 def draw(self, *args, **kwds):
     Visual.draw(self, *args, **kwds)