Visit - Revision history

Lothar.brendel: /* How To ... */ zero-v

2026-02-13T16:19:48Z

How To ...: zero-v

← Older revision		Revision as of 18:19, 13 February 2026
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	### ''New'':<br> ''Name'' = e.g. <code>vec_v</code><br> ''Type'' = Vector mesh variable<br> ''Definition'' = <code>{vx1,vx2,vx3}</code>		### ''New'':<br> ''Name'' = e.g. <code>vec_v</code><br> ''Type'' = Vector mesh variable<br> ''Definition'' = <code>{vx1,vx2,vx3}</code>
	### ''Apply''		### ''Apply''
	## ''Plots'' → ''Add'' → ''Vector'' → <code>vec_v</code><br>''Draw''		## ''Plots'' → ''Add'' → ''Vector'' → <code>vec_v</code><br>''Draw''<br>Note: A zero vector field produces "The Vector plot of variable '...' yielded no data."
	## Menu ''PlotAtts'' → ''Vector...'' → ''Sampling''<br>''Placement'' = Uniformly located throughout mesh<br>''Fixed number'' = ''N''²<br>''Apply''		## Menu ''PlotAtts'' → ''Vector...'' → ''Sampling''<br>''Placement'' = Uniformly located throughout mesh<br>''Fixed number'' = ''N''²<br>''Apply''
	# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.		# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.
	# Q: ... combine fields from different time snapshots or databases?<br>A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.		# Q: ... combine fields from different time snapshots or databases?<br>A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.
	# Q: ... change the language of the GUI?<br>A: That cannot be done via the GUI itself. The Linux version can be launched as <code>visit -lang en</code> from the command line. In the Windows version, the option <code>-lang</code> has no effect; hence, a [[Visit/win-en\|hack]] has to be used.		# Q: ... change the language of the GUI?<br>A: That cannot be done via the GUI itself. The Linux version can be launched as <code>visit -lang en</code> from the command line. In the Windows version, the option <code>-lang</code> has no effect; hence, a [[Visit/win-en\|hack]] has to be used.

Lothar.brendel: /* How To ... */ vector plots

2026-02-13T14:59:42Z

How To ...: vector plots

← Older revision		Revision as of 16:59, 13 February 2026
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	# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
			# Q: ... create a vector plot?<br>A:
			## Create a vector expression:
			### Menu ''Controls'' → ''Expressions...''
			### ''New'':<br> ''Name'' = e.g. <code>vec_v</code><br> ''Type'' = Vector mesh variable<br> ''Definition'' = <code>{vx1,vx2,vx3}</code>
			### ''Apply''
			## ''Plots'' → ''Add'' → ''Vector'' → <code>vec_v</code><br>''Draw''
			## Menu ''PlotAtts'' → ''Vector...'' → ''Sampling''<br>''Placement'' = Uniformly located throughout mesh<br>''Fixed number'' = ''N''²<br>''Apply''
	# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.		# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.
	# Q: ... combine fields from different time snapshots or databases?<br>A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.		# Q: ... combine fields from different time snapshots or databases?<br>A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.
	# Q: ... change the language of the GUI?<br>A: That cannot be done via the GUI itself. The Linux version can be launched as <code>visit -lang en</code> from the command line. In the Windows version, the option <code>-lang</code> has no effect; hence, a [[Visit/win-en\|hack]] has to be used.		# Q: ... change the language of the GUI?<br>A: That cannot be done via the GUI itself. The Linux version can be launched as <code>visit -lang en</code> from the command line. In the Windows version, the option <code>-lang</code> has no effect; hence, a [[Visit/win-en\|hack]] has to be used.

Lothar.brendel: /* How To ... */ english GUI

2024-04-17T12:58:10Z

How To ...: english GUI

← Older revision		Revision as of 14:58, 17 April 2024
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	= How To ... =		= How To ... =


	# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
	# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.		# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.
	# Q: ... combine fields from different time snapshots or databases?<br>A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.		# Q: ... combine fields from different time snapshots or databases?<br>A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.
			# Q: ... change the language of the GUI?<br>A: That cannot be done via the GUI itself. The Linux version can be launched as <code>visit -lang en</code> from the command line. In the Windows version, the option <code>-lang</code> has no effect; hence, a [[Visit/win-en\|hack]] has to be used.

Dennis: /* How To ... */

2024-04-09T12:03:26Z

How To ...

← Older revision		Revision as of 14:03, 9 April 2024
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	# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
	# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.		# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.
	# Q: ... combine fields from different time snapshots or databases? A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.		# Q: ... combine fields from different time snapshots or databases?<br>A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.

Dennis at 12:02, 9 April 2024

2024-04-09T12:02:26Z

← Older revision		Revision as of 14:02, 9 April 2024
Line 6:		Line 6:
	# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
	# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.		# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.
	# Q: ... combine fields from different time snapshots or databases? A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.		# Q: ... combine fields from different time snapshots or databases? A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.

Dennis at 12:01, 9 April 2024

2024-04-09T12:01:12Z

← Older revision		Revision as of 14:01, 9 April 2024
Line 6:		Line 6:
	# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
	# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.		# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.
	# Q: ... combine fields from different time snapshots or databases? A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.		# Q: ... combine fields from different time snapshots or databases? A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.

Dennis: Added Visit instructions for creating expressions and combine different fields.

2024-04-09T12:00:41Z

Added Visit instructions for creating expressions and combine different fields.

← Older revision		Revision as of 14:00, 9 April 2024
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	# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
	# Q: ... combine (add, subtract, ...) fields?<br>A:		# Q: ... combine (add, subtract, ...) fields?<br>A: Ctrl+Shift+E opens the ''Expressions'' Window. You can create a new expression and select the type on the right hand side (e.g. scalar or vector) and insert functions or variables from your current database to apply mathematical operations on them and combine them. After saving the expression by clicking ''apply'', you can add them like any other data field.
			# Q: ... combine fields from different time snapshots or databases? A: Open the ''Data Level Comparison Wizard'' with Ctrl+Shift+D. It will guide you through the process of creating a new expression with the field that you want to compare with.

Lothar.brendel: +tutorials

2024-03-14T16:03:52Z

+tutorials

← Older revision		Revision as of 18:03, 14 March 2024
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	Some frequent operations, even though surely covered somewhere in the [https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/using_visit/index.html manual]:		Some frequent operations, even though surely covered somewhere in the [https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/using_visit/index.html manual] or in the [https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/tutorials/index.html tutorials]:

	= How To ... =		= How To ... =

Lothar.brendel: intro

2024-03-14T15:58:10Z

intro

← Older revision		Revision as of 17:58, 14 March 2024
Line 1:		Line 1:
			Some frequent operations, even though surely covered somewhere in the [https://visit-sphinx-github-user-manual.readthedocs.io/en/develop/using_visit/index.html manual]:

	= How To ... =		= How To ... =


	# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
	# Q: ... combine (add, subtract, ...) fields?<br>A:		# Q: ... combine (add, subtract, ...) fields?<br>A:

Lothar.brendel: /* How To ... */ +combine

2024-03-14T15:49:33Z

How To ...: +combine

← Older revision		Revision as of 17:49, 14 March 2024
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	= How To ... =		= How To ... =

	# Q: ~~How to~~ specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.		# Q: ... specify the axis range in numbers?<br>A: Ctrl+V opens the ''View'' window, in the Tab ''2D view'' the input field ''Window'' contains the space-separated ''x<sub>min</sub> x<sub>max</sub> y<sub>min</sub> y<sub>max</sub>''.
			# Q: ... combine (add, subtract, ...) fields?<br>A: