# tbl_help

class_name: QgsBookmarks
title: Spatial Bookmarks
content:
<h3>Spatial Bookmarks</h3>
Spatial Bookmarks allow you to "bookmark" a geographic location and return to it later. 

<h4>Creating a Bookmark</h4>
To create a bookmark:
<ol>
<li>Zoom or pan to the area of interest
<li>Click on the <i>Create a new geospatial bookmark</i> or type Ctrl-B
<li>Enter a descriptive name for the bookmark (up to 255 characters)
<li>Click <i>OK</i> to add the bookmark or <i>Cancel</i> to exit without adding the bookmark
</ol>
Note that you can have multiple bookmarks with the same name.
<h4>Working with Bookmarks</h4>
To use or manage bookmarks, click on the <i>Show geospatial bookmarks</i> button or choose <i>Geospatial Bookmarks</i> from the <i>View</i> menu. The bookmarks dialog allows you to zoom to or delete a bookmark. You can not edit the bookmark name or coordinates.
<h5>Zooming to a Bookmark</h5>
From the Bookmarks dialog, select the desired bookmark by clicking on it, then click the <i>Zoom To</i> button.
<p>
You can also zoom to a bookmark by double-clicking on it.

<h5>Deleting a Bookmark</h5>
To delete a bookmark from the Bookmarks dialog, click on it then click the <i>Delete</i> button. Confirm your choice by clicking <i>Yes</i> or cancel the delete by clicking <i>No</i>.


class_name: QgsProjectProperties
title: Project Properties
content:
<h3>Project Properties</h3>
This dialog allows you to set a number of properties related to the <i>Project</i>. A Project is a saved set of layers and their settings, as well as other information required to restore the project from disk.<p>

<h4>General Tab</h4>
<table border=1>
<tr>
<td>Project Title</td><td>A descriptive title for the project. This title will be displayed in the title bar of the QGIS window</td>
</tr>
<tr>
<td>Map Units</td><td>Choose the map units appropriate for the layers in the project</td>
</tr>
<tr>
<td>Cursor Display Precision</td><td>Use the manual setting  to set the precision of the display in the status bar. As the mouse is moved over the map canvas, the coordinates are updated and displayed in the status bar using the precision you choose. Automatic (the default) results in a default precision based on the map units.</td>
</tr>
<tr>
<td>Digitising Settings</td><td>This allows you to set the snapping tolerance in pixels, the line width used when digitising, and the color for digitised lines.</td>
</tr>
<tr><td>Selection color</td><td>Selected features are displayed on the map using this color.</td>
</tr>
</table>
<a anchor="projections"></a><h4>Projection Tab</h4>
The Projection tab allows you to set the projection for the current project and enable ont the fly projection. You do not need to have a saved project to setup and enable on the fly projection.<p>
To use on the fly projection, click the <i>Enable on the fly projection</i> checkbox. Then choose the projection for the project (map canvas) from the list of Geographic or Projected coordinate systems.
<p>
You can find a coordinate system by entering its PostGIS SRID, EPSG code, or the QGIS SRSRID and clicking the <i>Find</i> button.


class_name: QgsDbSourceSelect
title: Add PostGIS Tables
content:
<h3>Add PostGIS Tables</h3>
This dialog allows you to add PostGIS layers (tables with a geometry column) to the QGIS map canvas.
<h4>Connections</h4>
<ul>
<li>Choose the connection to use from the drop-down box and click <i>Connect</i> 
<li>If there are no connections, use the <i>New</i> button to create a connection
<li>To modify a connection, click the <i>Edit</i> button
</ul>
<h4>Adding Layers</h4>
To add a layer:
<ol>
<li>Choose the desired connection from the drop-down box
<li>Click <i>Connect</i>
<li>Find the layer you want to add in the list and click on it to select it
<li>You can select additional layers by holding down the Ctrl key and clicking
<li>Click <i>Add</i> to add the layer(s) to the map
</ol>
<h4>Filtering a Layer</h4>


# context_helps

class_name: QgsDbSourceSelect
title: Add PostGIS Tables
content:
<h3>Add PostGIS Tables</h3>
This dialog allows you to add PostGIS layers (tables with a geometry column) to the QGIS map canvas.
<h4>Connections</h4>
<ul>
<li>Choose the connection to use from the drop-down box and click <i>Connect</i> 
<li>If there are no connections, use the <i>New</i> button to create a connection
<li>To modify a connection, click the <i>Edit</i> button
</ul>
<h4>Adding Layers</h4>
To add a layer:
<ol>
<li>Choose the desired connection from the drop-down box
<li>Click <i>Connect</i>
<li>Find the layer you want to add in the list and click on it to select it
<li>You can select additional layers by holding down the Ctrl key and clicking
<li>Click <i>Add</i> to add the layer(s) to the map
</ol>
<h4>Filtering a Layer</h4>


class_name: QgsProjectProperties
title: Project Properties
content:
<h3>Project Properties</h3>
This dialog allows you to set a number of properties related to the <i>Project</i>. A Project is a saved set of layers and their settings, as well as other information required to restore the project from disk.<p>

<h4>General Tab</h4>
<table border=1>
<tr>
<td>Project Title</td><td>A descriptive title for the project. This title will be displayed in the title bar of the QGIS window</td>
</tr>
<tr>
<td>Map Units</td><td>Choose the map units appropriate for the layers in the project</td>
</tr>
<tr>
<td>Cursor Display Precision</td><td>Use the manual setting  to set the precision of the display in the status bar. As the mouse is moved over the map canvas, the coordinates are updated and displayed in the status bar using the precision you choose. Automatic (the default) results in a default precision based on the map units.</td>
</tr>
<tr>
<td>Digitising Settings</td><td>This allows you to set the snapping tolerance in pixels, the line width used when digitising, and the color for digitised lines.</td>
</tr>
<tr><td>Selection color</td><td>Selected features are displayed on the map using this color.</td>
</tr>
</table>
<a anchor="projections"></a><h4>Projection Tab</h4>
The Projection tab allows you to set the projection for the current project and enable ont the fly projection. You do not need to have a saved project to setup and enable on the fly projection.<p>
To use on the fly projection, click the <i>Enable on the fly projection</i> checkbox. Then choose the projection for the project (map canvas) from the list of Geographic or Projected coordinate systems.
<p>
You can find a coordinate system by entering its PostGIS SRID, EPSG code, or the QGIS SRSRID and clicking the <i>Find</i> button.


