Tutorial M02 002 GIS Inputs QGIS GPKG - Revision history

Abigail.lillo: /* Method */

2025-06-12T02:02:08Z

Method

← Older revision		Revision as of 12:02, 12 June 2025
Line 96:		Line 96:
	<ol>		<ol>
	<li>Load into QGIS the '''2d_mat_M02_landscape_002_R''' file by, either:		<li>Load into QGIS the '''2d_mat_M02_landscape_002_R''' file by, either:
	:*Within the QGIS Browser Panel, navigate to '''M02_002.gpkg''' and double click '''2d_mat_M02_landscape_002_R''', or		:*Within the QGIS Browser Panel, navigate to '''Module_02/TUFLOW/model/gis/M02_002.gpkg''' and double click '''2d_mat_M02_landscape_002_R''', or
	:*In File Explorer, drag and drop the '''M02_002.gpkg''' into the QGIS workspace and select '''2d_mat_M02_landscape_002_R'''.		:*In File Explorer, drag and drop the '''Module_02/TUFLOW/model/gis/M02_002.gpkg''' into the QGIS workspace and select '''2d_mat_M02_landscape_002_R'''.
	<li>Inspect the file:		<li>Inspect the file:
	:*The materials file contains polygons that represent the updated land use due to the topography modifications.		:*The materials file contains polygons that represent the updated land use due to the topography modifications.

Emilie Nielsen at 02:26, 14 August 2023

2023-08-14T02:26:23Z

← Older revision		Revision as of 12:26, 14 August 2023
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	:*Shape_Option = NO MERGE (assigns a single elevation to all Zpts falling within the polygon without interpolating the edges to the original topography) <br>		:*Shape_Option = NO MERGE (assigns a single elevation to all Zpts falling within the polygon without interpolating the edges to the original topography) <br>
	<br>		<br>
	~~[[File:~~Animation_M02_GPKG_GIS_002_02.~~gif]]~~<br>		{{Video\|name=Animation_M02_GPKG_GIS_002_02.mp4\|width=1279}}<br>
	<br>		<br>
	<li>Zoom to the south west corner of the grid to digitise the second polygon.		<li>Zoom to the south west corner of the grid to digitise the second polygon.
Line 38:		Line 38:
	<li>Turn off editing to save the edits.<br>		<li>Turn off editing to save the edits.<br>
	<br>		<br>
	~~[[File:~~Animation_M02_GPKG_GIS_002_01.~~gif]]~~<br>		{{Video\|name=Animation_M02_GPKG_GIS_002_01.mp4\|width=1279}}<br>
	<br>		<br>
	</ol>		</ol>
Line 56:		Line 56:
	<li>Turn off editing to save the edits.<br>		<li>Turn off editing to save the edits.<br>
	<br>		<br>
	~~[[File:~~Animation_M02_GPKG_GIS_002_03.~~gif]]~~<br>		{{Video\|name=Animation_M02_GPKG_GIS_002_03.mp4\|width=1279}}<br>
	<br>		<br>
	</ol>		</ol>
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	:*Shape_Width = -1<br>		:*Shape_Width = -1<br>
	<br>		<br>
	~~[[File:~~Animation_M02_GPKG_GIS_002_04.~~gif]]~~<br>		{{Video\|name=Animation_M02_GPKG_GIS_002_04.mp4\|width=1279}}<br>
	<br>		<br>
	<li>Add more vertices by holding Shift and double click along the upstream and downstream sides of the polygon. By default TUFLOW uses the merge option and the negative Shape_Width instructs TUFLOW to sample the DEM elevation only at the location of the polygon vertices. <br>		<li>Add more vertices by holding Shift and double click along the upstream and downstream sides of the polygon. By default TUFLOW uses the merge option and the negative Shape_Width instructs TUFLOW to sample the DEM elevation only at the location of the polygon vertices. <br>
	<li>Turn off editing to save the edits.<br>		<li>Turn off editing to save the edits.<br>
	<br>		<br>
	~~[[File:~~Animation_M02_GIS_05.~~gif]]~~<br>		{{Video\|name=Animation_M02_GIS_05.mp4\|width=1279}}<br>
	<br>		<br>
	</ol>		</ol>
Line 90:		Line 90:
	<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>		<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>
	<br>		<br>
	~~[[File:~~Animation_M02_GPKG_GIS_002_TIN_02.~~gif]]~~<br>		{{Video\|name=Animation_M02_GPKG_GIS_002_TIN_02.mp4\|width=1279}}<br>
	</ol>		</ol>
	<br>		<br>
Line 102:		Line 102:
	:*The material attribute associated with each polygon is an integer value based on the underlying land use type.<br>		:*The material attribute associated with each polygon is an integer value based on the underlying land use type.<br>
	<br>		<br>
	~~[[File:~~Animation_M02_GIS_mat_05.~~gif]]~~<br>		{{Video\|name=Animation_M02_GIS_mat_05.mp4\|width=1279}}<br>
	</ol>		</ol>
	<br>		<br>

Emilie Nielsen at 00:49, 14 August 2023

2023-08-14T00:49:17Z

← Older revision		Revision as of 10:49, 14 August 2023
Line 1:		Line 1:
	<span style="color:#FF0000">
	<font size = 18>Page Under Construction</font>
	</span>
	= Introduction =		= Introduction =
	QGIS is used to create, import and view input data.<br>		QGIS is used to create, import and view input data.<br>

Emilie Nielsen: /* Method */

2023-07-31T05:36:15Z

Method

← Older revision		Revision as of 15:36, 31 July 2023
Line 93:		Line 93:
	<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>		<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>
	<br>		<br>
	[[File:~~Animation_M02_GPKG_GIS_002_TIN_01~~.gif]]<br>		[[File:Animation_M02_GPKG_GIS_002_TIN_02.gif]]<br>
	</ol>		</ol>
	<br>		<br>

Pavlina Monhartova: /* Method */

2023-07-06T22:52:52Z

Method

← Older revision		Revision as of 08:52, 7 July 2023
Line 90:		Line 90:
	:*In File Explorer, drag and drop the '''M02_002.gpkg''' into the QGIS workspace and select the layers (hold Ctrl to select multiple).		:*In File Explorer, drag and drop the '''M02_002.gpkg''' into the QGIS workspace and select the layers (hold Ctrl to select multiple).
	<li>The point layer specifies the elevation with the ‘Z’ attribute. Some of the point are snapped to the line layer setting the elevations along the line.		<li>The point layer specifies the elevation with the ‘Z’ attribute. Some of the point are snapped to the line layer setting the elevations along the line.
	<li>The line layer assists in the TIN process. ~~The~~ 'dZ' attribute specifies a sampling distance for the TIN triangles, intermediate sampling points are created at the line vertices and along the line at 'dZ' intervals.		<li>The line layer assists in the TIN process. With the 'Shape_Option' attribute 'TIN', the 'Shape_Width' attribute specifies a sampling distance for the TIN triangles, intermediate sampling points are created at the line vertices and along the line at 'Shape_Width' intervals.
	<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>		<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>
	<br>		<br>

Emilie Nielsen at 04:41, 14 June 2023

2023-06-14T04:41:48Z

← Older revision		Revision as of 14:41, 14 June 2023
Line 80:		Line 80:
	<li>Turn off editing to save the edits.<br>		<li>Turn off editing to save the edits.<br>
	<br>		<br>
	[[File:~~Animation M02 GIS 05~~.gif]]<br>		[[File:Animation_M02_GIS_05.gif]]<br>
	<br>		<br>
	</ol>		</ol>
Line 105:		Line 105:
	:*The material attribute associated with each polygon is an integer value based on the underlying land use type.<br>		:*The material attribute associated with each polygon is an integer value based on the underlying land use type.<br>
	<br>		<br>
	[[File:~~Animation M02_GIS_mat_05~~.gif]]<br>		[[File:Animation_M02_GIS_mat_05.gif]]<br>
	</ol>		</ol>
	<br>		<br>

Emilie Nielsen: /* Method */

2023-06-02T00:10:52Z

Method

← Older revision		Revision as of 10:10, 2 June 2023
Line 86:		Line 86:
	Investigate the supplied '''2d_zsh_M02_landscape_002''' files with TIN functionality:		Investigate the supplied '''2d_zsh_M02_landscape_002''' files with TIN functionality:
	<ol>		<ol>
	<li>Open the files, either: ~~<br>~~		<li>Open the files, either:
	:*~~Drag~~ ~~and~~ ~~drop~~ '''M02_002.gpkg''' ~~into~~ ~~the~~ ~~QGIS workspace and select~~ the layers ~~(hold Ctrl to select multiple)~~, or		:*Within the QGIS Browser Panel, navigate to '''M02_002.gpkg''' and double click the layers, or
	:*~~Within~~ ~~the Browser~~ ~~Panel~~, ~~navigate~~ to '''M02_002.gpkg''' ~~and~~ ~~double~~ ~~click~~ the layers.		:*In File Explorer, drag and drop the '''M02_002.gpkg''' into the QGIS workspace and select the layers (hold Ctrl to select multiple).
	<li>The point layer specifies the elevation with the ‘Z’ attribute. Some of the point are snapped to the line layer setting the elevations along the line.		<li>The point layer specifies the elevation with the ‘Z’ attribute. Some of the point are snapped to the line layer setting the elevations along the line.
	<li>The line layer assists in the TIN process. The 'dZ' attribute specifies a sampling distance for the TIN triangles, intermediate sampling points are created at the line vertices and along the line at 'dZ' intervals.		<li>The line layer assists in the TIN process. The 'dZ' attribute specifies a sampling distance for the TIN triangles, intermediate sampling points are created at the line vertices and along the line at 'dZ' intervals.
Line 98:		Line 98:
	Investigate the supplied materials file:		Investigate the supplied materials file:
	<ol>		<ol>
	<li>Load into QGIS the '''2d_mat_M02_landscape_002_R''' file by, either: ~~<br>~~		<li>Load into QGIS the '''2d_mat_M02_landscape_002_R''' file by, either:
	:*~~Drag~~ ~~and~~ ~~drop~~ '''M02_002.gpkg''' ~~into the QGIS workspace~~ and ~~select~~ '''2d_mat_M02_landscape_002_R''', or		:*Within the QGIS Browser Panel, navigate to '''M02_002.gpkg''' and double click '''2d_mat_M02_landscape_002_R''', or
	:*~~Within~~ ~~the Browser~~ ~~Panel~~, ~~navigate~~ to '''M02_002.gpkg''' ~~and~~ ~~double~~ ~~click~~ '''2d_mat_M02_landscape_002_R'''.		:*In File Explorer, drag and drop the '''M02_002.gpkg''' into the QGIS workspace and select '''2d_mat_M02_landscape_002_R'''.
	<li>Inspect the file:		<li>Inspect the file:
	:*The materials file contains polygons that represent the updated land use due to the topography modifications.		:*The materials file contains polygons that represent the updated land use due to the topography modifications.

Emilie Nielsen: /* Method */

2023-06-01T05:33:57Z

Method

← Older revision		Revision as of 15:33, 1 June 2023
Line 88:		Line 88:
	<li>Open the files, either: <br>		<li>Open the files, either: <br>
	:*Drag and drop '''M02_002.gpkg''' into the QGIS workspace and select the layers (hold Ctrl to select multiple), or		:*Drag and drop '''M02_002.gpkg''' into the QGIS workspace and select the layers (hold Ctrl to select multiple), or
	:*In the Browser Panel, navigate to '''M02_002.gpkg''' and double click the layers.		:*Within the Browser Panel, navigate to '''M02_002.gpkg''' and double click the layers.
	<li>The point layer specifies the elevation with the ‘Z’ attribute. Some of the point are snapped to the line layer setting the elevations along the line.		<li>The point layer specifies the elevation with the ‘Z’ attribute. Some of the point are snapped to the line layer setting the elevations along the line.
	<li>The line layer assists in the TIN process. The 'dZ' attribute specifies a sampling distance for the TIN triangles, intermediate sampling points are created at the line vertices and along the line at 'dZ' intervals.		<li>The line layer assists in the TIN process. The 'dZ' attribute specifies a sampling distance for the TIN triangles, intermediate sampling points are created at the line vertices and along the line at 'dZ' intervals.
Line 100:		Line 100:
	<li>Load into QGIS the '''2d_mat_M02_landscape_002_R''' file by, either: <br>		<li>Load into QGIS the '''2d_mat_M02_landscape_002_R''' file by, either: <br>
	:*Drag and drop '''M02_002.gpkg''' into the QGIS workspace and select '''2d_mat_M02_landscape_002_R''', or		:*Drag and drop '''M02_002.gpkg''' into the QGIS workspace and select '''2d_mat_M02_landscape_002_R''', or
	:*In the Browser Panel, navigate to '''M02_002.gpkg''' and double click '''2d_mat_M02_landscape_002_R'''.		:*Within the Browser Panel, navigate to '''M02_002.gpkg''' and double click '''2d_mat_M02_landscape_002_R'''.
	<li>Inspect the file:		<li>Inspect the file:
	:*The materials file contains polygons that represent the updated land use due to the topography modifications.		:*The materials file contains polygons that represent the updated land use due to the topography modifications.

ElizaCollison: /* Method */

2023-05-31T17:30:08Z

Method

← Older revision		Revision as of 03:30, 1 June 2023
Line 9:		Line 9:
	Create a new GeoPackage Database:		Create a new GeoPackage Database:
	<ol>		<ol>
	<li>Navigate to the '''Module_02\TUFLOW\model\gis''' folder.		<li>Navigate to the '''Module_02\TUFLOW\model\gis''' folder. Save a copy of '''M02_001.gpkg''' as '''M02_002.gpkg'''.
	<li>Save a copy of '''M02_001.gpkg''' as '''M02_002.gpkg'''.
	</ol>		</ol>

Emilie Nielsen: /* Method */

2023-05-26T04:50:14Z

Method

← Older revision		Revision as of 14:50, 26 May 2023
Line 33:		Line 33:
	:*Shape_Option = NO MERGE (assigns a single elevation to all Zpts falling within the polygon without interpolating the edges to the original topography) <br>		:*Shape_Option = NO MERGE (assigns a single elevation to all Zpts falling within the polygon without interpolating the edges to the original topography) <br>
	<br>		<br>
	[[File:~~Animation M02 GIS 02~~.gif]]<br>		[[File:Animation_M02_GPKG_GIS_002_02.gif]]<br>
	<br>		<br>
	<li>Zoom to the south west corner of the grid to digitise the second polygon.		<li>Zoom to the south west corner of the grid to digitise the second polygon.
Line 42:		Line 42:
	<li>Turn off editing to save the edits.<br>		<li>Turn off editing to save the edits.<br>
	<br>		<br>
	[[File:~~Animation M02 GIS 01~~.gif]]<br>		[[File:Animation_M02_GPKG_GIS_002_01.gif]]<br>
	<br>		<br>
	</ol>		</ol>
Line 60:		Line 60:
	<li>Turn off editing to save the edits.<br>		<li>Turn off editing to save the edits.<br>
	<br>		<br>
	[[File:~~Animation M02 GIS 03~~.gif]]<br>		[[File:Animation_M02_GPKG_GIS_002_03.gif]]<br>
	<br>		<br>
	</ol>		</ol>
Line 76:		Line 76:
	:*Shape_Width = -1<br>		:*Shape_Width = -1<br>
	<br>		<br>
	[[File:~~Animation M02 GIS 04~~.gif]]<br>		[[File:Animation_M02_GPKG_GIS_002_04.gif]]<br>
	<br>		<br>
	<li>Add more vertices by holding Shift and double click along the upstream and downstream sides of the polygon. By default TUFLOW uses the merge option and the negative Shape_Width instructs TUFLOW to sample the DEM elevation only at the location of the polygon vertices. <br>		<li>Add more vertices by holding Shift and double click along the upstream and downstream sides of the polygon. By default TUFLOW uses the merge option and the negative Shape_Width instructs TUFLOW to sample the DEM elevation only at the location of the polygon vertices. <br>
Line 94:		Line 94:
	<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>		<li>The region layer sets the area over which the TIN functionality takes place. Without points snapped to the perimeter vertices of the region, the elevations are inserted from the underlying Zpt elevations, it uses the default merge option.<br>
	<br>		<br>
	[[File:~~Animation M02 GIS TIN 03~~.gif]]<br>		[[File:Animation_M02_GPKG_GIS_002_TIN_01.gif]]<br>
	</ol>		</ol>
	<br>		<br>