Condition setting Individual operation/ Downflow type flood / river

Create a new river (common to downstream flooded rivers and rivers)

Refer to Creating a new flowing flood river/river.

Set the left bank line, right bank line, and river center line (common to downstream-type flooded rivers and rivers)

1. Select the river for which you want to specify the left bank line, right bank line, or river center line from > or in the project menu list of DioVISTA [Simulation conditions] [rivers] and [Flowing flood rivers] right-click.

2. For the Left Bank Line [Left Bank Line] > [Definition of the Left Bank Line]
   For Right Bank Line [Right Bank Line] > [Definition of the Right Bank Line]
   For Kawashin Line [Kawashin Line] > [Definition of the river line]
   Click.

   

3. Start from the downstream side and click upstream to create the left bank line, right bank line, and river core line.

   • Specify the range with a line.
   • To revert to the previous state, right-click or[BackSpace] press the key.
   • To cancel the creation,[Esc] press the key.

4. At the last point, double-click or press Enter to confirm.

   

 

Set a transverse line (common to downstream-type flooded rivers and rivers)

• Conditions: The river must have a left/right bank line set in advance.

• In order to perform a simulation, it is necessary to set at least two transverse lines per river.

• Select the river for which you want to specify a transverse line from > in the project menu list of DioVISTA [Simulation conditions] [rivers] and right-click.

• [Transverse lines] Click > [Add a cross line] .

  

• Specify the start and end points of the crossing line on the map with a mouse click so that it intersects the right bank line and the left bank line on the map.

  • To revert to the previous state, right-click or[BackSpace] press the key.
  • To cancel the creation,[Esc] press the key.

  

• [Enter] Press the key to confirm creation.

• [Cross-sectional view editing] A dialog will appear.

• [Terrain acquisition] icon to get terrain data and create a section.

• [choice] to enter selection mode and edit vertices.

• When you're done editing, [decision] select to save your edits.

  

Capture river data (common to downstreamed flooded rivers and rivers)

1. Right-click > [Simulation conditions]from the DioVISTA project menu list [rivers] .

2. [Import river cross-section data] Click.

   

3. The Select Folder dialog appears.

4. Specify the folder where the file is stored [Select Folder] and click the button.

   

5. The selected stream data is populated.

   

Check and edit cross-sectional maps (common to downstream-type flooded rivers and rivers)

1. Select the river you want to check or edit the crossing line from > in the project menu list of DioVISTA [Simulation conditions] and [rivers] right-click.

2. [Transverse lines] Click > [Edit a cross-section] .

   

3. [Cross-sectional view editing] A dialog will appear.

4. Select the section you want to review/edit.

   • You can enter the roughness factor directly.
   • Double-click the edit line to display the section attribute screen, where you can change the section ID and cumulative distance.

5. If you want to accept your edits and exit, [decision] select and save your edits.

   • If you want to cancel editing, please select [cancel] the icon or [Esc] key. If you have made changes, a save confirmation message appears. If you do not want to save [no] , select .

   

Change the position of the right and left bank shoulders (common to flowing flooded rivers and rivers)

1. Select the river whose crossing line you want to edit from > in the project menu list of DioVISTA [Simulation conditions] [rivers] and right-click.

2. [Transverse lines] Click > [Edit a cross-section] .

   

3. [Cross-sectional view editing] A dialog will appear.

4. [choice] to switch to selection mode.

5. Select the vertex that you want to be the left bank shoulder.

6. [Left bank shoulder button] Select

7. Select the vertex that you want to be the right bank shoulder.

8. [Right bank shoulder button] Select

9. When you're done editing, [decision] select to save your edits.

   

Change the cross-sectional shape (common to flowing flooded rivers and rivers)

1. Select the river whose crossing line you want to edit from > in the project menu list of DioVISTA [Simulation conditions] [rivers] and right-click.

2. [Transverse lines] Click > [Edit a cross-section] .

   

3. [Cross-sectional view editing] A dialog will appear.

4. [choice] to switch to selection mode.

5. Grab the vertex you want to change and move it.
   * [shift] Parallel or vertical movement is possible with the key selected.

   

Offset movement of the cross-sectional shape (common to flowing flooded rivers and rivers)

1. Select the river whose crossing line you want to edit from > in the project menu list of DioVISTA [Simulation conditions] [rivers] and right-click.

2. [Transverse lines] Click > [Edit a cross-section] .

   

3. [Cross-sectional view editing] A dialog will appear.

4. [choice] to switch to selection mode.

5. Select the vertex you want to move.

6. [Offset Move] Select

7. Enter the value you want to move and [OK] select the button.

8. When you're done editing, [decision] select to save your edits.

   

   

Import of cross-sectional shapes (common to flowing flooded rivers and rivers)

1. Select the river whose crossing line you want to edit from > in the project menu list of DioVISTA [Simulation conditions] [rivers] and right-click.

2. [Transverse lines] Click > [Edit a cross-section] .

   

3. [Cross-sectional view editing] A dialog will appear.

4. [import] When you select the button, the message "Do you want to discard the current settings?" appears.

5. [Yes] Select

6. An open dialog appears, selecting the data you want to import.

7. [open] Select

    

   Check and edit longitudinal maps (common to flowing flooded rivers and rivers)

8. Select the river you want to check or edit the profile map from > in the project menu list of DioVISTA [Simulation conditions] and [rivers] right-click.

9. [Edit profile drawings] Click.

   

   • The HQ equation, overflow coefficient and planned slope can be entered directly.
   • You can export, edit, and import CSVs.

   

Display a cross-sectional view of the river (common to flowing flooded rivers and rivers)

1. Select the river you want to display cross-sectional view from the rivers in > of the DioVISTA project menu list [Simulation conditions] [rivers] and right-click.

2. [Cross-sectional view display] Click.

   

3. A cross-sectional view appears.

   

Aggregate the flow rate of rivers (common to downstream flooded rivers and rivers)

• Conditions: The simulation results using the river for which you want to aggregate the overflow flow rate must be displayed. (Reference: Simulation/Execution)

• Select the river whose overflow flow you want to aggregate from > in the project menu list of DioVISTA [Simulation conditions] [rivers] and right-click.

• [Aggregation of overflow flow] Click.

  

• [Aggregation of overflow flow] A dialog will appear.

• Select the output file name, direction, and distance marker range.

• When you are finished making your selections [OK] , click .

  

Aggregate the amount of rainfall in rivers (common to downstream-type flooded rivers and rivers)

Condition 1: Rainfall scenarios must have been imported. (Reference: Condition setting Individual operation / rainfall scenario)
Condition 2: Watershed analysis of rainfall scenario data properties must be set to True.
*Condition 3: Rainfall scenarios and simulation results using the rivers for which rainfall amount you want to aggregate must be displayed. (Reference: Simulation/Execution)

1. Select the river whose rainfall you want to aggregate [Simulation conditions] from > [rivers] in the DioVISTA project menu list and right-click.

2. [Rainfall aggregation] Click.

   

3. [Save As] A dialog will appear.

4. Set the file name and file type.

5. When you are finished [preservation] , click .

   

Designate the confluence of rivers (common to downstream flooded rivers and rivers)

• Conditions: It is necessary to set a river that will be a tributary or main stream.

• Select the river that will be the main line from the rivers in > [Simulation conditions]of the project menu list of DioVISTA [rivers] and right-click.

• [Specifying a confluence] Click.

  

• Select the right-left bank line of the tributary river.

  • If you want to merge with the left bank of the main stream, select the left bank line of the tributary.
  • If you want to merge with the right bank of the main stream, select the right bank line of the tributary.

  

• Specify the confluence point and [Enter] press the key.

  

• Sets the distance of the confluence.

  

Designate river diversion (common to downflowing flooded rivers and rivers)

• Conditions: It is necessary to set a river that will be a tributary or main river.

• Select the river that will be the main river from the rivers in > [Simulation conditions] of the project menu list of DioVISTA [rivers] and right-click.

• [Specifying a Diversion] Click.

  

• Select the right-left bank line of the river that will be the tributary that you want to divert.

  

• Specify the diversion point and [Enter] press the key.

  

• Set the confluence distance, diversion distribution, and upper flow divide.

  

Make detailed settings for downflowing flooded rivers (for downflowing flooded rivers only)

• Please make various settings in Properties.

  

Configure advanced settings for rivers (rivers only)

• Please make various settings in Properties.

  

---

Last update: 2023-03-20