Open Printable/Searchable Copy - Global Mapper

some distance along a specified bearing. The bounding coordinates of the feature in the current
projection/coordinate system will be displayed at the bottom of the dialog that appears to help you calculate
an appropriate shift/offset distance.
Changing the Shape of Area and Line Features
Global Mapper User's Manual
You can change the shape of area and line features in several different ways. You'll first have to enable the
Show Area and Line Vertices option (Shift+V is a keyboard shortcut to toggle this setting) before having
access to the features described below. You'll also need to select the vertices to work with before performing
any of the described operations except inserting new vertices.
The following options are available for reshaping area and line features:
• Edit Length of Area and Line Feature Segments - This option allows you to click on a segment of an
area or line feature and be presented with a dialog showing the length of the segment, which you can
then edit. All vertex locations from the end of the segment on to the end of the line will be adjusted to
make the clicked-on segment the specified length. If you also have the option enabled to label each
segment with its length on the Vector Display tab of the Configuration dialog then you can just
double-click on a segment to edit its length.
• Move Selected Vertices - This option allows you to move selected vertices to a new location. To do
this, simply hold down the left mouse button and move the vertices to the desired location, then
release the left mouse button. You can continually to refine the location by repeating. Right clicking
or pressing the ESC key will complete the operation. Note that while moving a single vertex, you can
use the Snapping feature to help align the vertex with existing features. If you'd only like to move the
selected vertices either horizontally or vertically, you can hold down either the 'X' or 'Y' keys on the
keyboard to restrict the movement to that axis. Holding down both keys will move the vertices
diagonally.
• Join Selected Vertices - This option allows you to set multiple vertices to the same location, which is
handy for ensuring that there are no gaps along the seams of features. Once you've selected this
option, hold down the left mouse button and move the vertices to the new desired location, then
release the left mouse button. Right click or press the ESC key to complete the operation once you're
done. Note that while joining vertices, you can use the Snapping feature to help align the vertices with
existing features.
• Deleted Selected Vertices - This option allows you to delete the selected vertices. To quickly do this
without using the right-click menu, the CTRL+Delete hot key will also delete selected vertices.
• Set Position of Selected Vertices - This option displays a dialog allowing you to manually position the
selected vertices by entering their new position in either latitude/longitude coordinates or coordinates
in the currently configured view projection/datum. If the selected vertices are from a 3D line or area
feature, you will also be able to set the elevation value to use for the vertex.
• Insert Vertex - This option allows you to insert a new vertex into the selected area or line feature. To
insert the vertex, select the menu option, then left click at the location where you want the new vertex
inserted. The vertex will be inserted on the area or line feature at the clicked location along the nearest
segment of the feature. Alternately, if you hold down the SHIFT key while left-clicking the new
vertex will be placed on the selected feature(s) at the nearest location to the click location. You can
also use this feature to extend features. The newly created vertices will be automatically selected. If
you need to add multiple vertices to the selected feature(s), simply hold down the 'I' key when
left-clicking to place the vertex and you will remain in the insert vertex mode.
• Resample Selected Feature(s) at Specified Spacing - This option is found under the Advanced Feature
Creation Options submenu and allows you to resample your selected area or line feature at a specified
interval. This is useful if you want to add a lot of new vertices along your feature to make reprojection
work better or to facilitate smoothing of the feature.
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