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Chart history save/load
rophle
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02-01-2005 04:20 AM
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Hi,
I've been occuring a problem with charts for several days.
I have to show the same chart on several VIs. Therefor, I use the "History" property that's supposed to save the history, but it does that in a strange way. It looks like the history saves the different values of my chart, but not the timing (ie : it looks like the history only considers the changes).
Some screenshots maybe more verbose.
I've been occuring a problem with charts for several days.
I have to show the same chart on several VIs. Therefor, I use the "History" property that's supposed to save the history, but it does that in a strange way. It looks like the history saves the different values of my chart, but not the timing (ie : it looks like the history only considers the changes).
Some screenshots maybe more verbose.
02-01-2005 04:24 AM
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Forgive me, I got fooled by the upload tool...
So, 1.jpg is a screenshot a the first VI on which is shown my chart.
I have a button to access the other VI which first save my chart's history to a table, but as you can see on 2.jpg, the chart on the other VI is not similar to the first.
Any idea ?
Sorry for my poor english (and my double post),
Philippe.
So, 1.jpg is a screenshot a the first VI on which is shown my chart.
I have a button to access the other VI which first save my chart's history to a table, but as you can see on 2.jpg, the chart on the other VI is not similar to the first.
Any idea ?
Sorry for my poor english (and my double post),
Philippe.
tst
Knight of NI
02-01-2005 05:49 AM
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A chart's X axis is built by taking an offset (a base time) and a multiplier (Delta t). If the multiplier is different, the chart will look different.
Check the multiplier property in X Scale>Offset and multiplier for both charts. If they're different, change one of them.
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Check the multiplier property in X Scale>Offset and multiplier for both charts. If they're different, change one of them.
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alipio
Active Participant
02-01-2005 06:06 AM
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Hello rophle.
As Tst says, you will need more info than just values to recover the original chart. You should download the property saver toolkit (by Konstantin Shifershteyn) from this link: http://www.kshif.com/lv/ . It can be of help to learn how to save/load data and other control properties.
Hope it helps
Cheers
Alipio
As Tst says, you will need more info than just values to recover the original chart. You should download the property saver toolkit (by Konstantin Shifershteyn) from this link: http://www.kshif.com/lv/ . It can be of help to learn how to save/load data and other control properties.
Hope it helps
Cheers
Alipio
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"Qod natura non dat, Salmantica non praestat"
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"Qod natura non dat, Salmantica non praestat"
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02-02-2005 05:21 AM
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Hi,
My two charts do have the same properties, including the same X Scale multiplier (which is 1).
alipio : I have looked at Property Saver, but I didn't help me out : as my two charts are on two different VIs, I need a global array of "[pstype] Control's Properties descriptor.ctl" type to save my chart properties and to load them in my other chart.
I didn't manage to create an array of "[pstype] Control's Properties descriptor.ctl" type.
Anyhow, thanks for your answers.
Philippe.
My two charts do have the same properties, including the same X Scale multiplier (which is 1).
alipio : I have looked at Property Saver, but I didn't help me out : as my two charts are on two different VIs, I need a global array of "[pstype] Control's Properties descriptor.ctl" type to save my chart properties and to load them in my other chart.
I didn't manage to create an array of "[pstype] Control's Properties descriptor.ctl" type.
Anyhow, thanks for your answers.
Philippe.
tst
Knight of NI
02-02-2005 05:36 AM
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Try to recreate the problem with as little code as possible (preferably only one VI) and post it. It will be easier to help you.
___________________
Try to take over the world!
___________________
Try to take over the world!
