sec_interp.gui.tools.measure_tool module

Measurement tool for Profile View.

This module provides the ProfileMeasureTool for measuring distances, elevation differences, and slopes in the profile preview window. It separates UI event handling from spatial snapping logic.

class sec_interp.gui.tools.measure_tool.ProfileSnapper(canvas: qgis.gui.QgsMapCanvas)

Bases: object

Helper class to handle point snapping functionality.

snap(mouse_pos: qgis.PyQt.QtCore.QPoint) → qgis.core.QgsPointXY

Finds the nearest vertex or edge to the mouse position.

class sec_interp.gui.tools.measure_tool.ProfileMeasureTool(*args: Any, **kwargs: Any)

Bases: QgsMapToolEmitPoint

Map tool for measuring distances in profile view.

Supports multi-point polyline measurements: - Click to add points along the trace - Click “Finalizar” button in UI to complete measurement - Right-click or Escape to cancel and reset

measurementChanged

alias of dict

activate()

deactivate()

reset()

Resets the tool state.

If measurement is finalized, only clears the points data but keeps the visual elements (rubber band and markers) visible.

canvasReleaseEvent(event)

Handle mouse click release.

• Left click: Add point to measurement

• Right click: Cancel and reset

• Press Enter to finalize (see keyPressEvent)

canvasMoveEvent(event)

Handle mouse move for rubber band update.

keyPressEvent(event)

Handle keyboard events.

• Enter/Return: Finalize measurement

• Escape: Cancel measurement

finalize_measurement()

Finalize the measurement and emit final metrics.

This is a public method that can be called from UI buttons. After finalizing, the tool is deactivated but results remain visible.