def draw_colorbar(self):
scatplot=self.scatplot
cmap_renderer = scatplot.plots["my_plot"][0]
selection = ColormappedSelectionOverlay(cmap_renderer, fade_alpha=0.35,
selection_type="range")
cmap_renderer.overlays.append(selection)
if self.thresh is not None:
cmap_renderer.color_data.metadata['selections']=self.thresh
cmap_renderer.color_data.metadata_changed={'selections':self.thresh}
# Create the colorbar, handing in the appropriate range and colormap
colormap=scatplot.color_mapper
colorbar = ColorBar(index_mapper=LinearMapper(range=DataRange1D(low = 0.0,
high = 1.0)),
orientation='v',
resizable='v',
width=30,
padding=20)
colorbar_selection=RangeSelection(component=colorbar)
colorbar.tools.append(colorbar_selection)
ovr=colorbar.overlays.append(RangeSelectionOverlay(component=colorbar,
border_color="white",
alpha=0.8,
fill_color="lightgray",
metadata_name='selections'))
#ipshell('colorbar, colorbar_selection and ovr available:')
self.cbar_selection=colorbar_selection
self.cmap_renderer=cmap_renderer
colorbar.plot = cmap_renderer
colorbar.padding_top = scatplot.padding_top
colorbar.padding_bottom = scatplot.padding_bottom
self.colorbar=colorbar
return colorbar
def create_colorbar(plt):
colormap = plt.color_mapper
colorbar = ColorBar(index_mapper=LinearMapper(range=colormap.range),
color_mapper=colormap,
orientation='v',
resizable='v',
width=30,
padding=20)
colorbar.plot = plt
return colorbar
def create_colorbar(plt):
colormap = plt.color_mapper
colorbar = ColorBar(index_mapper=LinearMapper(range=colormap.range),
color_mapper=colormap,
orientation='v',
resizable='v',
width=30,
padding=20)
colorbar.plot = plt
return colorbar
def _create_plot_component():
# Create some data
numpts = 1000
x = sort(random(numpts))
y = random(numpts)
color = exp(-(x**2 + y**2))
# Create a plot data obect and give it this data
pd = ArrayPlotData()
pd.set_data("index", x)
pd.set_data("value", y)
pd.set_data("color", color)
# Create the plot
plot = Plot(pd)
plot.plot(("index", "value", "color"),
type="cmap_scatter",
name="my_plot",
color_mapper=gist_earth,
marker="square",
fill_alpha=0.5,
marker_size=8,
outline_color="black",
border_visible=True,
bgcolor="white")
# Tweak some of the plot properties
plot.title = "Colormapped Scatter Plot with Pan/Zoom Color Bar"
plot.padding = 50
plot.x_grid.visible = False
plot.y_grid.visible = False
plot.x_axis.font = "modern 16"
plot.y_axis.font = "modern 16"
# Add pan and zoom to the plot
plot.tools.append(PanTool(plot, constrain_key="shift"))
zoom = ZoomTool(plot)
plot.overlays.append(zoom)
# Create the colorbar, handing in the appropriate range and colormap
colorbar = ColorBar(
index_mapper=LinearMapper(range=plot.color_mapper.range),
color_mapper=plot.color_mapper,
orientation='v',
resizable='v',
width=30,
padding=20)
colorbar.plot = plot
colorbar.padding_top = plot.padding_top
colorbar.padding_bottom = plot.padding_bottom
# Add pan and zoom tools to the colorbar
colorbar.tools.append(
PanTool(colorbar, constrain_direction="y", constrain=True))
zoom_overlay = ZoomTool(colorbar,
axis="index",
tool_mode="range",
always_on=True,
drag_button="right")
colorbar.overlays.append(zoom_overlay)
# Create a container to position the plot and the colorbar side-by-side
container = HPlotContainer(plot,
colorbar,
use_backbuffer=True,
bgcolor="lightgray")
return container
def create_plot_component(self):# Create a scalar field to colormap
# Create the plot
self.pd = ArrayPlotData()
self.pd.set_data("imagedata", self.fxydata())
plot = Plot(self.pd)
cmap = default_colormaps.color_map_name_dict[self.colormap]
if self.rev_cmap:
cmap = default_colormaps.reverse(cmap)
img_plot = plot.img_plot("imagedata",
xbounds = self.xbounds,
ybounds = self.ybounds,
colormap=cmap,
)[0]
# Tweak some of the plot properties
plot.title = self.title
plot.padding = 50
# Attach some tools to the plot
#plot.tools.append(PanTool(plot))
#zoom = ZoomTool(component=plot, tool_mode="box", always_on=False)
#plot.overlays.append(zoom)
csr = CursorTool(img_plot,
drag_button='left',
color='white',
line_width=2.0
)
self.cursor = csr
csr.current_position = np.mean(self.xbounds), np.mean(self.ybounds)
img_plot.overlays.append(csr)
imgtool = ImageInspectorTool(img_plot)
img_plot.tools.append(imgtool)
overlay = ImageInspectorOverlay(component=img_plot, image_inspector=imgtool,
bgcolor="white", border_visible=True,)
#img_plot.overlays.append(overlay)
colorbar = ColorBar(index_mapper=LinearMapper(range=plot.color_mapper.range),
color_mapper=plot.color_mapper,
orientation='v',
resizable='v',
width=30,
padding=20)
colorbar.plot = plot
colorbar.padding_top = plot.padding_top + 10
colorbar.padding_bottom = plot.padding_bottom
# Add pan and zoom tools to the colorbar
colorbar.tools.append(PanTool(colorbar, constrain_direction="y", constrain=True))
zoom_overlay = ZoomTool(colorbar, axis="index", tool_mode="range",
always_on=True, drag_button="right")
colorbar.overlays.append(zoom_overlay)
# Create a container to position the plot and the colorbar side-by-side
container = HPlotContainer(plot, colorbar, use_backbuffer=True, bgcolor="transparent",)
container.overlays.append(overlay)
#self.plot = plot
self.plot = container
def _create_plot_component():
# Create some data
numpts = 500
x1 = random(numpts)
y1 = random(numpts)
x2 = x1 + standard_normal(numpts) * 0.05
y2 = y1 + standard_normal(numpts) * 0.05
color = exp(-(x1**2 + y2**2))
widths = random(numpts)
# Create a plot data obect and give it this data
pd = ArrayPlotData()
pd.set_data("index", column_stack([x1, x2]).reshape(-1))
pd.set_data("value", column_stack([y1, y2]).reshape(-1))
pd.set_data("color", color)
pd.set_data("widths", widths)
# Create the plot
plot = Plot(pd)
plot.plot(("index", "value", "color", "widths"),
type="cmap_segment",
name="my_plot",
color_mapper=viridis,
border_visible=True,
render_style='cubic',
bgcolor="white",
size_min=0.5,
size_max=5.0)
# Tweak some of the plot properties
plot.title = "Colormapped Segment Plot with variable widths"
plot.padding = 50
plot.x_grid.visible = False
plot.y_grid.visible = False
plot.x_axis.font = "modern 16"
plot.y_axis.font = "modern 16"
# Right now, some of the tools are a little invasive, and we need the
# actual ColomappedSegmentPlot object to give to them
cmap_renderer = plot.plots["my_plot"][0]
# Attach some tools to the plot
plot.tools.append(PanTool(plot, constrain_key="shift"))
zoom = ZoomTool(component=plot, tool_mode="box", always_on=False)
plot.overlays.append(zoom)
# Create the colorbar, handing in the appropriate range and colormap
colorbar = ColorBar(
index_mapper=LinearMapper(range=plot.color_mapper.range),
color_mapper=plot.color_mapper,
orientation='v',
resizable='v',
width=30,
padding=20)
colorbar.plot = cmap_renderer
colorbar.padding_top = plot.padding_top
colorbar.padding_bottom = plot.padding_bottom
# Create a container to position the plot and the colorbar side-by-side
container = HPlotContainer(use_backbuffer=True)
container.add(plot)
container.add(colorbar)
container.bgcolor = "lightgray"
return container
def _create_plot_component():
# Create some data
numpts = 1000
x = sort(random(numpts))
y = random(numpts)
color = exp(-(x**2 + y**2))
# Create a plot data obect and give it this data
pd = ArrayPlotData()
pd.set_data("index", x)
pd.set_data("value", y)
pd.set_data("color", color)
# Create the plot
plot = Plot(pd)
plot.plot(("index", "value", "color"),
type="cmap_scatter",
name="my_plot",
color_mapper=gist_earth,
marker = "square",
fill_alpha = 0.5,
marker_size = 8,
outline_color = "black",
border_visible = True,
bgcolor = "white")
# Tweak some of the plot properties
plot.title = "Colormapped Scatter Plot with Pan/Zoom Color Bar"
plot.padding = 50
plot.x_grid.visible = False
plot.y_grid.visible = False
plot.x_axis.font = "modern 16"
plot.y_axis.font = "modern 16"
# Add pan and zoom to the plot
plot.tools.append(PanTool(plot, constrain_key="shift"))
zoom = ZoomTool(plot)
plot.overlays.append(zoom)
# Create the colorbar, handing in the appropriate range and colormap
colorbar = ColorBar(index_mapper=LinearMapper(range=plot.color_mapper.range),
color_mapper=plot.color_mapper,
orientation='v',
resizable='v',
width=30,
padding=20)
colorbar.plot = plot
colorbar.padding_top = plot.padding_top
colorbar.padding_bottom = plot.padding_bottom
# Add pan and zoom tools to the colorbar
colorbar.tools.append(PanTool(colorbar, constrain_direction="y", constrain=True))
zoom_overlay = ZoomTool(colorbar, axis="index", tool_mode="range",
always_on=True, drag_button="right")
colorbar.overlays.append(zoom_overlay)
# Create a container to position the plot and the colorbar side-by-side
container = HPlotContainer(plot, colorbar, use_backbuffer=True, bgcolor="lightgray")
return container