Print a graph when used different resolutions

Hello,
my LV programm
(using V8.5.1) must run on computers with different resolutions (1024x768,
1280x1024...), so I used the option
"new scaling of all frontpanel elements after changing the windows size" (free translating )
(German: "Alle Elemente des Frontpanels bei Änderung der Fenstergröße neu skalieren")
in my VI.
This works fine but now I have some trouble with the printout of a graph.
Depending of the selected resolution of the computer, the graph will be printed complete or only partial, then the lower part of the graph is missing.
To print out the graph I used the VI "Append Control Image to Report.vi"
Can anybody help me?
Gruß
jan91

Hello Jan,
you are right - when printing the report in landscape orientation, images will be cropped if higher than the paper size.This issue has already been reported to our LabVIEW R&D team (#36511) and should be solved in a forthcoming update of the report generation toolkit. In my opinion, the issue is linked to the problem that the image will not fill out the report page completely to the right margin (#36926), another nuisance you might also have encountered.
I have created a workaround for the problem, which you should find attached to this post. As you change the graphs background color for printing, I added another property to resize the graph to the maximum printable size (evaluated here in trial&error, depending on your printer, the maximum size might change a bit), and another one to restore the original size when the report is done. To reduce the "blink time" of the graph, I placed the restoring property node directly after the control image has been attached to the report, so that during printer initialization, the original layout is already visible again.
Hopefully, this is acceptable for you, until these issues have been fixed.
Best regards,
Sebastian
Attachments:
print graph (modified).vi ‏44 KB

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Do IMAQ Cast Image or IMAQ Linear averages give different results when using different computers that are running under Windows XP ?

Hello
I'm currently developping an image processing algorithm using Labview 7.1 and the associated IMAQ Vision tools. After several tests, I found a weird result. Indeed, I put the labview algorithm - including the IMAQ VI on the library to get sure that I use all the time the same VI - on my memory stick and used it on two different computers. I tested the same picture (still in my memory stick) and had two very different results.
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So my question is : Do IMAQ Cast Image or IMAQ Linear averages give different results when using different computers that are running under Windows XP ?
My bet is on IMAQ Cast Image but I'm not quite sure and I do not undestand why. The labview and IMAQ are the same on both computers.
The difference between the two computer are above :
Computer 1 :
Pentium(R) 4 CPU 3.20GHz with a RAM of 1Go. The processor is an Intel(R).
The OS is windows XP Pro 2002
Computer 2 :
Pentium(R) 4 CPU 2.80GHz with a RAM of 512Mo. The processor is an Intel(R).
The OS is windows XP Pro 2002.
If anybody can help me on this problem, it would be really helpful.
Regards
Florence P.

Hi,
Indeed it's a strange behaviour, could you send me your VI and your JPEG file, (or another file that reproduces) so that I could check this inthere ?
I'll then try to find out what's happening.
Regards
Richard Keromen
National Instruments France
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>> Découvrez, en vidéo, les innovations technologiques réalisées en éco-conception

How do you plot multiple curves on the same graph when using a while loop?

I am writing a program that will plot the IV Output chracterisitcs curves for a MOSFET transistor. I have two sweep variables Vg and Vd. For each Vg valve selected, Vd is swept from its start to stop voltage creating a graph for that Vg valve. Both of the sweeps are done using while loops. Ideally I would like to display all of the Vg plots on the same graph while having the ability to do real-time graphing. Can anyone help me figure this problem out? I have attached my program. Thanks!!
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Attachments:
outputfin2.vi ‏165 KB

Hi Tammy & Tica T,
As far as I see it - this thread is a very bad version of already existing bad version......
http://forums.ni.com/ni/board/message?board.id=170&message.id=127857
I expected, that an Applications Engineer from NI knows something about a Transistor and how an Output characteristic looks like !! Take a look to a typical Transistor Datasheet ( e.g. n-channel MOSFET) - you will see, that there is no relation of ID vs Time like in your example ( values vs time ) but IDrain vs VDrain at different VGate's ( no relation to Mr. Bill Gates ).
Find attached a vi, that in general does what you need - drawing of curves vs x-axis (XY-graph in use) - in test_sweep.zip. And that you geet an impression, how it might be done ...... dynamic Output characteristic of a Transistor with Standard Equipment of a Lab ( Scope + Generator + Power Supply ) find in addition a Frontpanel - picture. One of the interesting points here is - the self-heating effect; visible on ch3 of scope - 5µs Pulse is already a very long time...... This measurement was done in order to compare with our own Transistors.........
Hope this helps a little bit to understand, what we are talking about.
Regards
Werner
Attachments:
test_sweep.zip ‏358 KB
dynamic Transistor char.png ‏65 KB

Dbms_crypto - avoid error when using different key in lower environment

Hello Experts,
We are using Oracle 11.2.0.2. We are planning to implement dbms_crypto to encrypt few columns. We clone the data from production to lower environment ( DEV, QC).
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l_decrypted_raw := DBMS_CRYPTO.decrypt(src => l_encrypted_raw,
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If I understand what you are trying to do ... and I may not ... it is not going to work.
SQL> DECLARE
2   l_credit_card_no VARCHAR2(19) := '1612-1791-1809-2605';
3   l_ccn_raw RAW(128) := utl_raw.cast_to_raw(l_credit_card_no);
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6
7   l_encrypted_raw RAW(2048);
8   l_decrypted_raw RAW(2048);
9 BEGIN
10    dbms_output.put_line('Original : ' || l_credit_card_no);
11
12    l_encrypted_raw := dbms_crypto.encrypt(l_ccn_raw, dbms_crypto.des_cbc_pkcs5, l_key1);
13
14    dbms_output.put_line('Encrypted : ' || RAWTOHEX(utl_raw.cast_to_raw(l_encrypted_raw)));
15
16    l_decrypted_raw := dbms_crypto.decrypt(src => l_encrypted_raw, typ => dbms_crypto.des_cbc_pkc
s5, key => l_key1);
17
18    dbms_output.put_line('Key1 : ' || utl_raw.cast_to_varchar2(l_decrypted_raw));
19
20    l_decrypted_raw := dbms_crypto.decrypt(src => l_encrypted_raw, typ => dbms_crypto.des_cbc_pkc
s5, key => l_key2);
21
22    dbms_output.put_line('Key2 : ' || utl_raw.cast_to_varchar2(l_decrypted_raw));
23 END;
24 /
Original : 1612-1791-1809-2605
Encrypted : 3534443342333642353141363846384237463732384636373943374630364234323243334539383042323135
Key1 : 1612-1791-1809-2605
DECLARE
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ORA-06512: at "SYS.DBMS_CRYPTO", line 44
ORA-06512: at line 20

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Attachments:
MultiScopeExample.vi ‏163 KB

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Print a graph when used different resolutions

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