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This repository was archived by the owner on Mar 11, 2026. It is now read-only.
Copy file name to clipboardExpand all lines: index.html
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<p>Search Layers is located in the QGIS Plugins menu under <em>"Plugins->Search Layers->Search Layers"</em> or by selecting the tool bar icon. <imgalt="Toolbar Icon" src="icon.png" /></p>
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<p>The following dialog box is displayed when "Search Layers" is launched.</p>
<p>Under <strong>Search String</strong>, enter the search string. <strong>Search Layers</strong> specifies whether the search will be on <em><All Layers></em>, <em><Selected layers></em>, or on any of the vector layers in the QGIS project. If a specific layer is selected then <strong>Search Fields</strong>will be enabled and by default <em><All Fields></em>will be selected, but any field can be selected from the layer and the search will only search on that layer and field.</p>
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<p><strong>Comparison</strong> is the matching criteria and is as follows.</p>
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<p>Under <strong>Search criteria</strong>, you can enter up to two search strings. The <strong>NOT</strong>check box will negate the search results for the applicable string.</p>
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<p>Under each search string text box a drop down menu specifies how the search string is to match the contents in the attribute table. The options are: </p>
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<ul>
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<li><strong>=</strong> - This requires an exact match including case.</li>
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<li><strong>Contains</strong> - This performs a case independent search in which a match is made if a field contains the search string.</li>
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<li><strong>Begins with</strong> - This is a case independent search in which the search finds any field that begins with the search string.</li>
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<li><strong>equals</strong> - This requires an exact match.</li>
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<li><strong>contains</strong> - This looks for a field that contains the search string.</li>
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<li><strong>begins with</strong> - This search finds any field that begins with the search string.</li>
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<li><strong>ends with</strong> - This search finds any field that ends with the search string.</li>
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</ul>
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<p>Click the <strong>Search</strong> button to begin the search. In the case of a large data set, clicking on <strong>Stop</strong> will halt the process. Note that the plugin stops after finding 1500 matches.</p>
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<p>When matches are found and clicked on, the features are highlighted on the map. If <strong>Automatically zoom to selected features</strong> is checked, QGIS also zooms to the selected features. The matches can be examined even before the search process has been completed.</p></body>
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<p>By default the search is case independent, but by checking the <strong>Case sensitive</strong> check box the search string must match the case of the text.</p>
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<p><strong>Search Layers</strong> specifies whether the search will be on <em><All Layers></em>, <em><Selected layers></em>, or on any of the vector layers in the QGIS project. If a specific layer is selected then <strong>Search Fields</strong> will be enabled and by default <em><All Fields></em> will be selected, but any field can be selected from the layer and the search will only search on that layer and field.</p>
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<p>It is possible that a search string could match the contents in one or more attribute fields. By checking <strong>Report one result per feature</strong>, only the first match per feature will be reported.</p>
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<p>When two search strings are used checking <strong>Constrain two search strings to match within an attribute field rather than across attribute fields</strong> will constrain the search criteria to match within an attribute field; otherwise, one string may match one attribute field and the other string may match another attribute field. The results are either <strong>AND</strong>ed or <strong>OR</strong>ed together. Here is an axample of a two string search.</p>
<p>Click the <strong>Search</strong> button to begin the search. In the case of a large data set, clicking on <strong>Abort</strong> will halt the process. Note that the plugin stops after finding 1500 matches.</p>
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<p>When matches are found and clicked on the feature(s) will be highlighted. You can you Shift->Click to highlight a range of features, Ctrl->Click to toggle whether a feature is highlighted or not. The drop down menu <strong>Action when selecting features below</strong> controls one of the following motion actions. </p>
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<ul>
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<li><strong>Do nothing</strong> - No action takes place.</li>
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<li><strong>Zoom to selected features</strong> - QGIS will zoom in on the selected features.</li>
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<li><strong>Pan to selected features</strong> - QGIS will pan to the selected features.</li>
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</ul>
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<p>Note that the search is very quick when selecting a single vector layer under <strong>Search Layers</strong> and a single field under <strong>Search Fields</strong>. If this is not the case regular expression searches are used and are very slow. In the future this may change.</p></body>
Copy file name to clipboardExpand all lines: readme.md
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Under **Search String**, enter the search string. **Search Layers** specifies whether the search will be on *<All Layers>*, *<Selected layers>*, or on any of the vector layers in the QGIS project. If a specific layer is selected then **Search Fields**will be enabled and by default *<All Fields>*will be selected, but any field can be selected from the layer and the search will only search on that layer and field.
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Under **Search criteria**, you can enter up to two search strings. The **NOT**check box will negate the search results for the applicable string.
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**Comparison** is the matching criteria and is as follows.
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Under each search string text box a drop down menu specifies how the search string is to match the contents in the attribute table. The options are:
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***=** - This requires an exact match including case.
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***Contains** - This performs a case independent search in which a match is made if a field contains the search string.
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***Begins with** - This is a case independent search in which the search finds any field that begins with the search string.
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***equals** - This requires an exact match.
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***contains** - This looks for a field that contains the search string.
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***begins with** - This search finds any field that begins with the search string.
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***ends with** - This search finds any field that ends with the search string.
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Click the **Search** button to begin the search. In the case of a large data set, clicking on **Stop**will halt the process. Note that the plugin stops after finding 1500 matches.
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By default the search is case independent, but by checking the **Case sensitive**check box the search string must match the case of the text.
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When matches are found and clicked on, the features are highlighted on the map. If **Automatically zoom to selected features** is checked, QGIS also zooms to the selected features. The matches can be examined even before the search process has been completed.
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**Search Layers** specifies whether the search will be on *<All Layers>*, *<Selected layers>*, or on any of the vector layers in the QGIS project. If a specific layer is selected then **Search Fields** will be enabled and by default *<All Fields>* will be selected, but any field can be selected from the layer and the search will only search on that layer and field.
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It is possible that a search string could match the contents in one or more attribute fields. By checking **Report one result per feature**, only the first match per feature will be reported.
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When two search strings are used checking **Constrain two search strings to match within an attribute field rather than across attribute fields** will constrain the search criteria to match within an attribute field; otherwise, one string may match one attribute field and the other string may match another attribute field. The results are either **AND**ed or **OR**ed together. Here is an axample of a two string search.
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Click the **Search** button to begin the search. In the case of a large data set, clicking on **Abort** will halt the process. Note that the plugin stops after finding 1500 matches.
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When matches are found and clicked on the feature(s) will be highlighted. You can you Shift->Click to highlight a range of features, Ctrl->Click to toggle whether a feature is highlighted or not. The drop down menu **Action when selecting features below** controls one of the following motion actions.
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***Do nothing** - No action takes place.
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***Zoom to selected features** - QGIS will zoom in on the selected features.
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***Pan to selected features** - QGIS will pan to the selected features.
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Note that the search is very quick when selecting a single vector layer under **Search Layers** and a single field under **Search Fields**. If this is not the case regular expression searches are used and are very slow. In the future this may change.
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