Map View Selection

With this application, users can select and downsample data interactively in 2D plan view.

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New user? Visit the Getting Started page.

Application

The following sections provide details on the different parameters controlling the application. Interactive widgets shown below are for demonstration purposes only.

[1]:
from geoapps.base.plot import PlotSelection2D

app = PlotSelection2D(h5file=r"../../../assets/FlinFlon.geoh5")
app()

Object/Data Selection

List of objects available to pull data from.

[2]:
app.data_panel

See the Object Selection page for more details.

Resolution

Determine the minimum distance between data points.

[3]:
app.resolution

For Grid2D objects, the resolution of the grid is downsampled uniformely to the nearest interval. For example, requesting a 15 m minimum resolution on a 10 m base grid will result in a 20 m sub-sampling.

For Points, Curve and Surface objects, the downsampling is done radially using the Scipy.spatial.cKDTree routine.

Window Selection

Manual selection of an area of interest and data resolution.

Northing

Vertical center position (m)

[4]:
app.window_center_y

Easting

Horizontal center position (m)

[5]:
app.window_center_x

Width

Window size along East (m)

[6]:
app.window_width

Height

Window size along North (m)

[7]:
app.window_height

Azimuth

Orientation of the selection window, in degree from North.

[8]:
app.window_azimuth

Zoom on selection

Set the plotting area to the extent of the window selection, or keep fix to the target object extent.

[9]:
app.zoom_extent

Colorbar

Option to display a colorbar next to the figure.

[10]:
app.colorbar

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