Zoom In

There are two methods to enlarge the map in the current view: scrolling up with the mouse wheel, or using the Map->Browse->Zoom In button. When activated, the cursor changes to .

When in pan or selection mode, pressing the "Z" key also switches to zoom-in mode.

Two operational modes are available:

• Click to Zoom In: Single-clicking centers the map at the cursor position with 2× magnification.
• Box Selection: Click-drag diagonally to draw a temporary rectangle. Upon release, the map centers at the box midpoint and zooms to fit the rectangle proportionally (using the smaller width/height ratio).

Zoom Out

To reduce map scale: scroll down with the mouse wheel, or use Map->Browse->Zoom Out. Active state shows .

Press "X" during pan/selection mode to toggle zoom-out state.

• Click to Zoom Out: Centers at clicked position with 0.5× scaling.
• Box Selection: Drag a rectangle - post-release display centers at box midpoint, applying the smaller width/height ratio for reduction.

Interactive Zooming

• Free Zoom

  Select Zoom dropdown -> Free Zoom (or press "C") to activate .

  • Click-drag vertically: upward to zoom in, downward to zoom out. Map refreshes upon release.
  • Note: Continuous dragging may show blank areas during zoom-out until mouse release.
  • For real-time updates during manipulation, use Real-time Free Zoom.
• Real-time Free Zoom

  Choose Real-time Free Zoom from dropdown to activate .

  • Provides smooth, continuous map updates during click-drag operations.