QGIS/ARK Grid

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Revision as of 09:42, 10 August 2016 by John Layt (talk | contribs) (Grid Tools)

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ARK Grid

A QGIS Plugin to create and work with local site grids as commonly used in archaeology.

A grid wizard allows you to create grids from two known points, or from a known origin and baseline. Interactive tools are provided to convert between local coordinates and map coordinates.

ARK Grid - Panel

For details on installation, support, licensing, and development, please see the main ARK QGIS plugins page

Project Wizard

ARK Grid - Logo


ARK Grid - Project Wizard Page 1


ARK Grid - Project Wizard Page 2


ARK Grid - Project Wizard Page 3


ARK Grid - New Layers

New Grid Wizard

ARK Grid - New Panel


ARK Grid - New Grid Icon


ARK Grid - New Grid Wizard Page 1


ARK Grid - New Grid Wizard Page 2


ARK Grid - New Grid Wizard Page 3


ARK Grid - New Grid Wizard Page 4


ARK Grid - New Grid


Grid Tools

Once you have created a valid grid, all the tools will be enabled.

ARK Grid - Grid Panel
Current Grid Dropdown
If you create more than one grid, you can switch between grids using the grid selection dropdown box. Only the selected grid is displayed and used in calculations.
ARK Grid - Choose Grid Combo
Map Point Entry
The Map Point input boxes display the currently calculated Map Point. You can manually enter a Map Point and the Local Point will be automatically updated.
ARK Grid - Map Point Entry
Local Point Entry
The Local Point input boxes display the currently calculated Local Point. You can manually enter a Local Point and the Map Point will be automatically updated.
ARK Grid - Local Point Entry


ARK Grid - Identify Grid Coordinates Tool Identify Grid Coordinates Tool
The Identify Grid Coordinates tool allows you to click on the map and have the Map Point and Local Point coordinates displayed for the point clicked on.
ARK Grid - Pan Map Tool Pan Map Tool
The Pan Map tool will pan the map to the currently entered Map Point.
ARK Grid - Paste Map Point Tool Paste Map Point Tool
The Paste Map Point tool will paste a Map Point in WKT format from the clipboard. This can be used to copy a point from a layer in QGIS.
ARK Grid - Add Point Tool Add Point Tool
The Add Point tool adds the current Map Point to the currently selected layer if it is a vector point layer in editing mode.
ARK Grid - Update Layer Coordinates Tool Update Layer Coordinates Tool
The Update Layer Coordinates tool shows a dialog to let you update a point vector layer to either add the local coordinates as attribute fields or to set the map point from local coordinate attribute fields.
ARK Grid - Run Settings Wizard Tool Run Settings Wizard Tool
The Run Settings Wizard tool will run the settings wizard.
ARK Grid - Copy Point Tool Copy Point Tool
The Copy Point tool will copy the Map Point or Local Point to the clipboard in WKT format.