Re: [visad] visad Digest, Vol 30, Issue 11

• To: visad@xxxxxxxxxxxxxxxx
• Subject: Re: [visad] visad Digest, Vol 30, Issue 11
• From: Ghansham Sangar <ghansham@xxxxxxxxxxxxxxx>
• Date: Tue, 29 May 2012 17:37:53 +0530

R/Sirs

I think I wont be able to send the class file through my office mail.
It is getting scanned out.
 I will put it on
ftp.ssec.wisc.edu/pub/incoming
Kindly grab it from there.

regards
Ghansham

On 05/25/2012 11:30 PM, visad-request@xxxxxxxxxxxxxxxx wrote:

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Today's Topics:

    1. Re: Strange rendering depending on axis range (Tom Rink)
    2. Re: Strange rendering depending on axis range (Tomas Pluskal)


----------------------------------------------------------------------

Message: 1
Date: Fri, 25 May 2012 00:16:39 -0500
From: Tom Rink<rink@xxxxxxxxxxxxx>
To: visad@xxxxxxxxxxxxxxxx
Subject: Re: [visad] Strange rendering depending on axis range
Message-ID:<4FBF15B7.70709@xxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"

On 5/25/12 12:00 AM, Tomas Pluskal wrote:

Hi Tom,

I was experimenting with your VisadTest.java source, and discovered this:

                         double xMin = 1.0;
                         double xMax = 1.0007;
                         double yMin = 0.0;
                         double yMax = 100.0;
                         int xRes = 1000;
                         int yRes = 10;

formally setting the ranges to decimal values fixes the problem for me.

We are visualizing mass spectrometry data, and if the user wants to
plot a single mass signal, we need to visualize a narrow range of m/z
values, such as 179.0551 ~ 179.0558.

1.0  to 1.00007  did not work, I think this can be expected.

Hmm, why this can be expected?

0.00007/1000 is possibly too small for float precision.

Tomas


===============================================
Tom?s( Pluskal
G0 Cell Unit, Okinawa Institute of Science and Technology Graduate
University
1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
TEL: +81-98-966-8684
Fax: +81-98-966-2890



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Message: 2
Date: Fri, 25 May 2012 05:41:16 +0000
From: Tomas Pluskal<pluskal@xxxxxxx>
To: "visad@xxxxxxxxxxxxxxxx"<visad@xxxxxxxxxxxxxxxx>
Subject: Re: [visad] Strange rendering depending on axis range
Message-ID:<DD0D6ACD-8B55-4FA4-BAC0-EB8B2B5D7640@xxxxxxx>
Content-Type: text/plain; charset="windows-1252"


0.00007/1000 is possibly too small for float precision.

I see.

But 7000 / 10000 is not that small... (xMin = 10000000, xMax = 10007000, xRes = 
10000 shows the same issue).

Tomas


===============================================
Tom?? Pluskal
G0 Cell Unit, Okinawa Institute of Science and Technology Graduate University
1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
TEL: +81-98-966-8684
Fax: +81-98-966-2890

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End of visad Digest, Vol 30, Issue 11
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