Need help in creating a 16gray levels 4 bit IndexColorModel.

Hi ppl,
Really need help with the above mentioned. I have reduced a 256 gray level .PGM image to 16 gray level (not using JAI). However, I'm having lots of trouble trying to create the image. It always comes out too dark. Does anyone know what the problem may be? Could it be that I'm using the wrong ColorModel?
Am currently using the follow code
static {
grayPallete1=new byte[16] ;
for(int i=0; i<16; i++) grayPallete1=(byte)i ;
public ImageData(byte[] pmap, int r, int c){
bpels = pmap ; irow=r; icol=c;
int i = 0;
clrmdl= new IndexColorModel(4,16,grayPallete1,grayPallete1,grayPallete1) ;
Any help is greatly appreciated!
Rgds,
Dam
Message was edited by:
Damy
Message was edited by:
Damy

Hi Suman Sarkar,
I am a little confused about the layout of your waterfall chart, could you please post some dummy chart here, with a clear
understanding with the issue, we could give some solution or workarounds, the steps of uploading the picture are following:
1.
Upload the picture to a website
http://skydriver.live.com
2.
View the picture in the website.
3.
Right-click the picture, and then select “Copy”
4.
In reply window, select “Paste” to paste the picture into a post.
If you have any question about the steps, please feel free to ask.
Regards,
Challen Fu

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Need help in creating RAID 5

Hi everyone,
i'm fairly new to RAID scene and i need help for creating RAID 5 with 8 disk's.
I have HP ProLiant DL380 G6 with 8 disk's, each 500 GB.
i'm trying to create RAID 5 and to have one spare disk. I have made array from 7 disk and then create logical drive.
the last disk (8-th) i used as spare.
up to now i think i'm ok???
what confuse me is:
7 HDD X 500GB= 3500GB
after creating array i get 3200 GB, where i lose 300 GB??
after creating logical drive i get 2700 GB, where i lose 500 GB???
from 2700GB i give 150GB for system partition and for data storage i have only 2550 GB.
Why i lose 800GB??
Can someone explain me how RAID 5 works, do i create it correctly and why i lose so much space???
Is there other way to create RAID 5 without losing so much space?
Thanks you in advnce.

The first 'loss' you encounter (300MB) is due to megabyte counting/rounding. A 500GB disk contains about 500.000.000 bytes. This quite a bit less than if counted properly using binary. you loose about 24288000 bytes per disk this way!
http://en.wikipedia.org/wiki/Mibibyte |
http://en.wikipedia.org/wiki/Megabyte
the second loss is due to how raid works.in raid 5 data is written to multiple disks to improve reliability. the simplies t form uses 3 disks: a write will cause half of the data to be written to disk 1, half to disk 2 and the XOR of both datahalfs to disk
3. In this scenario you will loose 33% of storage space and you can loose up to one of 3 disks.
By adding more disks, data can be spread more and the ratio available/raw will increase, or you can write aditionnal crc data and increase resliency for failures.
http://en.wikipedia.org/wiki/RAID
To check the exact algoritmes using on you RAID adapter, I would recommend contacting the vendor (or checking their support site) From your numbres, I do not think you will be able to configure RAID 5 on the same disks and having more available
space for your data.
MCP/MCSA/MCTS/MCITP

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Automator gets a bit unweildy when trying to vary things outside of what the actions provide. Since you are already using an AppeScript in your workflow, might as well do the whole thing:
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end repeat
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try -- make new folder
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on error number -48 -- skip errors if the folder is already there
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end try
repeat with X from 1 to theNumber
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end repeat
end tell

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It's a new strange world for me today...
Many thanks to everyone who can explain me
Alain

hi,
I am facing this problem as well. Is there any reference to create the new screen?
Hope someone can help! Thanks!
Regards,
Darren

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Thank you Olaf...
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WITH a AS (
SELECT
clientid,
DATEPART(year, row_date) AS 'Year',
DATEPART(month, row_date) AS 'Month',
value ,
CASE metricid WHEN 16 THEN 'FCR' ELSE 'Cases' END AS metric
FROM XXXXXX AS V
WHERE metricid IN (16, 11)
AND row_date BETWEEN '2012-01-01' AND '2014-10-01'
AND value IS NOT NULL)
, b AS (
SELECT clientid ,
Year ,
Month ,
value AS 'Cases',
metric
FROM a
WHERE metric = 'cases')
, c AS (
SELECT clientid ,
Year ,
Month ,
value AS 'FCR',
metric
FROM a
WHERE metric = 'FCR')
, d AS (
SELECT b.YEAR, b.MONTH, c.FCR, b.Cases
FROM b INNER JOIN c
ON c.clientid = b.clientid
AND c.[YEAR] = b.[year]
AND c.[month] = b.[month]
WHERE c.fcr <> 0 AND b.cases <> 0
,E AS (
SELECT [Year], [Month], SUM(FCR) AS FCR, SUM(Cases) AS Cases
FROM d
GROUP BY [Year], [Month])
select YEAR, MONTH,
CASE MONTH
WHEN 1 THEN 'Jan'
WHEN 2 THEN 'Feb'
WHEN 3 THEN 'Mar'
WHEN 4 THEN 'Apr'
WHEN 5 THEN 'May'
WHEN 6 THEN 'Jun'
WHEN 7 THEN 'Jul'
WHEN 8 THEN 'Aug'
WHEN 9 THEN 'Sep'
WHEN 10 THEN 'Oct'
WHEN 11 THEN 'Nov'
WHEN 12 THEN 'Dec'
END AS MonthName
,e.FCR AS FCRCases
,e.Cases AS TotalCases
,CASE
WHEN [month] IN (11, 12, 1) THEN 1
WHEN [month] IN (2, 3, 4) THEN 2
WHEN [month] IN (5, 6, 7) THEN 3
WHEN [month] IN (8, 9, 10) THEN 4
END AS 'Quarter'
--,CONVERT(DECIMAL(18, 2),(e.FCR/e.Cases)*100) AS FCRRaw
from e
order by YEAR, MONTH
**************2nd query*************
WITH a AS (
SELECT
clientid,
DATEPART(year, row_date) AS 'Year',
DATEPART(month, row_date) AS 'Month',
value,
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FROM XXXXXXX.[Values] AS V
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--WHERE metricid IN (11,16)
AND row_date BETWEEN '2013-10-01' AND '2014-02-01'
AND value IS NOT NULL)
, b AS (
SELECT clientid ,
Year ,
Month ,
value AS 'numerator',
metric
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WHERE metric = 'numerator')
, c AS (
SELECT clientid ,
Year ,
Month ,
value AS 'denominator',
metric
FROM a
WHERE metric = 'denominator')
, d AS (
SELECT b.YEAR, b.MONTH, c.denominator, b.numerator
FROM b INNER JOIN c
ON c.clientid = b.clientid
AND c.[YEAR] = b.[year]
AND c.[month] = b.[month]
WHERE c.denominator <> 0 AND b.numerator <> 0
, e AS (
SELECT [Year], [Month], SUM(numerator) AS numerator, SUM(denominator) AS denominator
FROM d
GROUP BY [Year], [Month]
SELECT *,
CASE
WHEN [month] IN (11, 12, 1) THEN 1
WHEN [month] IN (2, 3, 4) THEN 2
WHEN [month] IN (5, 6, 7) THEN 3
WHEN [month] IN (8, 9, 10) THEN 4
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WITH a AS (
SELECT --L.[LocationGroupId],
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-- T.AccountId,
TR.datestamp,
/*Convert(NVARCHAR, DatePArt(year, TR.datestamp)) + '-' + Convert(NVARCHAR, DatePArt(month, TR.datestamp)) + '-01'*/
TR.Period AS ValueDate,
CASE WHEN TR.TargetResultState = 0 THEN 0 WHEN TR.TargetResultState = 1 THEN 1 WHEN TR.TargetResultState = 2 THEN 1 ELSE 0 END AS Met,
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Need help to create report with jpeg/gif image

Hello,
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Since this form contains a special seal on the upper right, I don't think it can be done with old fashion ansi C++. How can I create a form with Java and create it as a simple exe to just print the form to a specified printer.
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John

Hi,
I am creating a form with boxes (lines and text). What is special about this form is that it has an image jpeg or gif at the top right corner. Is is a state department seal. Up to this form, I had used ansi C++ and print out escape HP character to print out the lines, boxes, and text. I have no idea how to print out the image. I am new to JAVA and only 1 class in it. Is there sample code out there to create this type of form with the image? I need a starting point.
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I need help with Creating Key Pairs

Hello,
I need help with Creating Key Pairs, I generate key pais with aba provider, but the keys generated are not base 64.
the class is :
import java.io.*;
import java.math.BigInteger;
import java.security.*;
import java.security.spec.*;
import java.security.interfaces.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import au.net.aba.crypto.provider.ABAProvider;
class CreateKeyPairs {
private static KeyPair keyPair;
private static KeyPairGenerator pairGenerator;
private static PrivateKey privateKey;
private static PublicKey publicKey;
public static void main(String[] args) throws Exception {
if (args.length != 2) {
System.out.println("Usage: java CreateKeyParis public_key_file_name privete_key_file_name");
return;
createKeys();
saveKey(args[0],publicKey);
saveKey(args[1],privateKey);
private static void createKeys() throws Exception {
Security.addProvider(new ABAProvider());
pairGenerator = KeyPairGenerator.getInstance("RSA","ABA");
pairGenerator.initialize(1024, new SecureRandom());
keyPair = pairGenerator.generateKeyPair();
privateKey = keyPair.getPrivate();
publicKey = keyPair.getPublic();
private synchronized static void saveKey(String filename,PrivateKey key) throws Exception {
ObjectOutputStream out= new ObjectOutputStream(new FileOutputStream(filename));
out.writeObject(key);
out.close();
private synchronized static void saveKey(String filename,PublicKey key) throws Exception {
ObjectOutputStream out= new ObjectOutputStream( new FileOutputStream(filename));
out.writeObject(key);
out.close();
the public key is:
�� sr com.sun.rsajca.JSA_RSAPublicKeyrC�� xr com.sun.rsajca.JS_PublicKey~5< ~��% L thePublicKeyt Lcom/sun/rsasign/p;xpsr com.sun.rsasign.anm��9�[ [ at [B[ bq ~ xr com.sun.rsasign.p��(!g�� L at Ljava/lang/String;[ bt [Ljava/lang/String;xr com.sun.rsasign.c�"dyU�| xpt Javaur [Ljava.lang.String;��V��{G xp q ~ ur [B��T� xp ��ccR}o��[!#I��lo��
��^"`8�|��Z>��&
d ��"B��
^5��a��jw9��D��D�)�*3/h��7�|��I�d�$�4f�8_�|��yuq ~
How i can generated the key pairs in base 64 or binary????
Thanxs for help me
Luis Navarro Nu�ez
Santiago.
Chile.
South America.

I don't use ABA but BouncyCastle
this could help you :
try
java.security.Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
java.security.KeyPairGenerator kg = java.security.KeyPairGenerator.getInstance("RSA","BC");
java.security.KeyPair kp = kg.generateKeyPair();
java.security.Key pub = kp.getPublic();
java.security.Key pri = kp.getPrivate();
System.out.println("pub: " + pub);
System.out.println("pri: " + pri);
byte[] pub_e = pub.getEncoded();
byte[] pri_e = pri.getEncoded();
java.io.PrintWriter o;
java.io.DataInputStream i;
java.io.File f;
o = new java.io.PrintWriter(new java.io.FileOutputStream("d:/pub64"));
o.println(new sun.misc.BASE64Encoder().encode(pub_e));
o.close();
o = new java.io.PrintWriter(new java.io.FileOutputStream("d:/pri64"));
o.println(new sun.misc.BASE64Encoder().encode(pri_e));
o.close();
java.io.BufferedReader br = new java.io.BufferedReader(new java.io.FileReader("d:/pub64"));
StringBuffer keyBase64 = new StringBuffer();
String line = br.readLine ();
while(line != null)
keyBase64.append (line);
line = br.readLine ();
byte [] pubBytes = new sun.misc.BASE64Decoder().decodeBuffer(keyBase64.toString ());
br = new java.io.BufferedReader(new java.io.FileReader("d:/pri64"));
keyBase64 = new StringBuffer();
line = br.readLine ();
while(line != null)
keyBase64.append (line);
line = br.readLine ();
byte [] priBytes = new sun.misc.BASE64Decoder().decodeBuffer(keyBase64.toString ());
java.security.KeyFactory kf = java.security.KeyFactory.getInstance("RSA","BC");
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java.security.Key priKey = kf.generatePrivate(new java.security.spec.PKCS8EncodedKeySpec(priBytes));
System.out.println("pri: " + priKey);
catch(Exception e)
e.printStackTrace ();
}

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regards,
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sanjana

the Easy Tabs could be useful for your requirement
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twttr @esjord

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twttr @esjord

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I've one list "Purchase Order" where I'm storing the data for purchase order details below are
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Hi,
For the Point# 1, per my understanding, there are two columns in the list2, both columns are getting values from list1. In List2, when user select a value for the
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As there is no such OOTB feature can meet this requirement, custom code using JavaScript would be required.
The two similar demos below would be helpful:
http://spservices.codeplex.com/wikipage?title=%24().SPServices.SPCascadeDropdowns
http://www.codeproject.com/Tips/758909/Two-Level-Cascading-Drop-Down-in-SharePoint-using
Best regards,
Patrick
Patrick Liang
TechNet Community Support

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Abbasi wrote:
Hi,
I want to create database in 10g manually and for this purpose
I need help.
since we can use OFA for storing Control files, and redolog file
and datafile by describing them in Create database command but
how to store any instance related file like spfile, pfile or network
related file.
once the oracle 10g database software is installed then if we want
to create database then how can we separate the database file and
all other instance files from software binaries because I've noted
that creating database with DBCA create all instance files along with
binary files of the software although DBCA give you option of creating
database related file in some other location/directory.
kindly help me in this I want to achieve above task in compliance with
OFA
Thanks and Regards,
D.AbbasiTHe OFA spec (as best I recall) states that one of the levels of directory for all of your data files will be the db name. So if you name your database 'orcl', every file system in which you keep any files related to 'orcl' will be in a directory name 'orcl'.
As for what happend when you created your db. Oracle will default to putting things in the Oracle home structure because that's the only thing he can guarantee will be there. But you had the option (indeed, the obligation) to override these defaults.
BTW, when using dbca, if you chose any of the pre-canned database types, the database will be created by doing a restore from a pre-canned backup. If you chose 'custom' database, the database will be created by way of a CREATE DATABASE script. It would be instructive time well spent for you to go through dbca and select 'custom database', pay attention to all of the options as you work through, then at then end, deselect "create database" and select "generate scripts". Do the same for one of the pre-defined database types. Then study the scripts generated by each method.
Edited by: EdStevens on Aug 16, 2009 8:46 PM

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