Hello Sir,
It's working.Thanks a lot.
Birinchi
On 4/19/12, Curtis Rueden <ctrueden@xxxxxxxx> wrote:
> Hi Birinchi,
>
> Please use "reply all" to respond to the entire list, rather than only to
> me.
>
>
> I examined that the colors got set according to dependent variable as
>> 0-20(red),21-40(blue),41-60(green),61-79(yellow),80-100(magenta).I
>> want to set the colors as
>> 0-15(red),16-25(blue),26-50(green),51-70(yellow),71-100(magenta).
>>
>
> You need to take the time to understand how the color table is generated
> and structured. Otherwise you will not be able to alter it according to
> your wishes.
>
> Here is a version (untested) that does what you ask:
>
> int lutLen = 256;
> float[][] lut = new float[3][lutLen];
> int redBlueBorder = (int) (0.16 * lutLen);
> int blueGreenBorder = (int) (0.26 * lutLen);
> int greenYellowBorder = (int) (0.51 * lutLen);
> int yellowMagentaBorder = (int) (0.71 * lutLen);
> for (int i=0; i<redBlueBorder; i++) {
> lut[0][i] = Color.red.getRed() / 255f;
> lut[1][i] = Color.red.getGreen() / 255f;
> lut[2][i] = Color.red.getBlue() / 255f;
> }
> for (int i=redBlueBorder; i<blueGreenBorder; i++) {
> lut[0][i] = Color.blue.getRed() / 255f;
> lut[1][i] = Color.blue.getGreen() / 255f;
> lut[2][i] = Color.blue.getBlue() / 255f;
> }
> for (int i=blueGreenBorder; i<greenYellowBorder; i++) {
> lut[0][i] = Color.green.getRed() / 255f;
> lut[1][i] = Color.green.getGreen() / 255f;
> lut[2][i] = Color.green.getBlue() / 255f;
> }
> for (int i=greenYellowBorder; i<yellowMagentaBorder; i++) {
> lut[0][i] = Color.yellow.getRed() / 255f;
> lut[1][i] = Color.yellow.getGreen() / 255f;
> lut[2][i] = Color.yellow.getBlue() / 255f;
> }
> for (int i=yellowMagentaBorder; i<lutLen; i++) {
> lut[0][i] = Color.magenta.getRed() / 255f;
> lut[1][i] = Color.magenta.getGreen() / 255f;
> lut[2][i] = Color.magenta.getBlue() / 255f;
> }
> control.setTable(lut);
>
> Of course, generalizing this code over N colors in a loop, and/or
> encapsulating the three array assignments to a helper method, would make it
> less verbose and perhaps easier to understand.
>
>
> I genuinely hope that I am not irritating anyone.
>>
>
> The best approach to not irritate anyone is to ask questions in a smart
> way, which means making a best effort before leaning on someone else. See
> this article for details:
> http://www.catb.org/~esr/faqs/smart-questions.html
>
>
> HTH,
> Curtis
>
>
> On Thu, Apr 19, 2012 at 1:39 AM, birinchi dutta
> <duttabirinchi@xxxxxxxxx>wrote:
>
>> I genuinely hope that I am not irritating anyone.I have applied the
>> color table of your example in the code below --
>>
>> import visad.*;
>> import visad.util.*;
>> import visad.java2d.DisplayImplJ2D;
>> import java.rmi.RemoteException;
>> import java.awt.*;
>> import javax.swing.*;
>> import java.io.*;
>>
>> public class color{
>>
>> private RealType longitude, latitude, temperature;
>> private RealTupleType domain_tuple;
>> private FunctionType func_dom_temp;
>> private Set domain_set;
>> private FlatField vals_ff;
>> private DataReferenceImpl data_ref;
>> private DisplayImpl display;
>> private ScalarMap latMap, lonMap, tempMap;
>>
>> @SuppressWarnings("empty-statement")
>> public color(String []args)
>> throws RemoteException, VisADException,IOException{
>>
>> latitude = RealType.getRealType("latitude");
>> longitude = RealType.getRealType("longitude");
>> domain_tuple = new RealTupleType(latitude, longitude);
>> temperature = RealType.getRealType("temperature");
>>
>> func_dom_temp = new FunctionType( domain_tuple,temperature);
>>
>>
>> int NCOLS = 10;
>> int NROWS = 10;
>>
>> domain_set = new Linear2DSet(domain_tuple, 0,9, NROWS,
>> 0,9,NCOLS);
>> float[][] temp_vals = new float[][]{{81,100,86,3,6,23,56,66,7,31},
>> {12,10,12,44,4,21,67,99,5,56},
>> {11,13,14,5,78,43,87,1,33,5},
>> {65,4,56,23,67,87,23,5,43,8},
>> {3,5,65,76,2,99,1,47,76,23},
>> {2,3,77,54,23,87,45,12,23,4},
>> {23,56,7,87,43,12,32,1,3,77},
>> {56,3,21,12,78,54,56,43,78,99},
>> {4,5,66,43,2,12,32,43,12,34},
>> {87,4,32,12,1,75,44,33,22,88}};
>>
>> float[][] set_samples = domain_set.getSamples( true );
>> float[][] flat_samples = new float[1][NCOLS * NROWS];
>> for(int c = 0; c < NCOLS; c++)
>> for(int r = 0; r < NROWS; r++)
>> {
>> flat_samples[0][ c * NROWS + r ] = temp_vals[r][c];
>>
>> }
>>
>>
>> vals_ff = new FlatField( func_dom_temp, domain_set);
>> vals_ff.setSamples( flat_samples);
>> display = new DisplayImplJ2D("display1");
>>
>> GraphicsModeControl dispGMC = (GraphicsModeControl)
>> display.getGraphicsModeControl();
>> dispGMC.setScaleEnable(true);
>>
>> latMap = new ScalarMap( latitude, Display.YAxis );
>> lonMap = new ScalarMap( longitude, Display.XAxis );
>> tempMap = new ScalarMap( temperature, Display.RGB);
>>
>> display.addMap( latMap );
>> display.addMap( lonMap );
>> display.addMap( tempMap );
>>
>> ColorControl control = (ColorControl) tempMap.getControl();
>> float[][] lut = new float[3][256];
>> Color[] colors = {
>> Color.red, Color.blue, Color.green, Color.yellow, Color.magenta
>> };
>> int index = 0;
>> for (int c=0; c<colors.length; c++) {
>> int minIndex = c * 256 / colors.length;
>> int maxIndex = (c + 1) * 256 / colors.length;
>> for (int i=minIndex; i<maxIndex; i++) {
>> lut[0][i] = colors[c].getRed() / 255f;
>> lut[1][i] = colors[c].getGreen() / 255f;
>> lut[2][i] = colors[c].getBlue() / 255f;
>> }
>> }
>> control.setTable(lut);
>>
>> data_ref = new DataReferenceImpl("data_ref");
>> data_ref.setData( vals_ff );
>>
>> display.addReference( data_ref );
>> LabeledColorWidget widget =
>> new LabeledColorWidget(new ColorMapWidget(tempMap, false));
>>
>> JFrame jframe = new JFrame("DISPLAY");
>> jframe.getContentPane().setLayout(new FlowLayout());
>> jframe.getContentPane().add(display.getComponent());
>> jframe.getContentPane().add(widget);
>>
>>
>> jframe.setSize(300,550);
>> jframe.setVisible(true);
>>
>> }
>>
>>
>> public static void main(String[] args)
>> throws RemoteException, VisADException,IOException
>> {
>> new color(args);
>> }
>>
>> }
>>
>> I examined that the colors got set according to dependent variable as
>> 0-20(red),21-40(blue),41-60(green),61-79(yellow),80-100(magenta).I
>> want to set the colors as
>> 0-15(red),16-25(blue),26-50(green),51-70(yellow),71-100(magenta).
>>
>> On 4/18/12, Curtis Rueden <ctrueden@xxxxxxxx> wrote:
>> > Hi Birinchi,
>> >
>> >
>> > Thank you for the reply.Its ok..but I want to set the color according
>> >> to intervals of values of the dependent variable like red for
>> >> dependent variable values ranging from 0 to 20,blue for 21 to 40
>> >> etc.Is it possible?
>> >>
>> >
>> > Sorry, I don't understand what you want. The code I sent does exactly
>> that.
>> > The ir_radiance RealType is a dependent variable, and it is colorized in
>> > stepwise fashion based on its value, as you say.
>> >
>> > If you need more guidance, you will have to be more specific in your
>> > question, or send your code (which we can compile and run) to illustrate
>> > what you mean.
>> >
>> > -Curtis
>> >
>> >
>> > On Wed, Apr 18, 2012 at 10:54 AM, birinchi dutta
>> > <duttabirinchi@xxxxxxxxx>wrote:
>> >
>> >> Thank you for the reply.Its ok..but I want to set the color according
>> >> to intervals of values of the dependent variable like red for
>> >> dependent variable values ranging from 0 to 20,blue for 21 to 40
>> >> etc.Is it possible?
>> >>
>> >> Birinchi
>> >>
>> >> On 4/12/12, Curtis Rueden <ctrueden@xxxxxxxx> wrote:
>> >> > Hi Birinchi,
>> >> >
>> >> >
>> >> > I have a problem.I want to set 5 colours to 5 different range
>> >> > of
>> >> >> values like 0-2,2-4,etc.How is it possible in VisAD?
>> >> >>
>> >> >
>> >> > You can set the lookup table of the ColorControl to have a stepwise
>> >> > color
>> >> > table.
>> >> >
>> >> > Here is an example:
>> >> > https://gist.github.com/2368231
>> >> >
>> >> > Regards,
>> >> > Curtis
>> >> >
>> >> >
>> >> > On Wed, Apr 11, 2012 at 4:16 AM, birinchi dutta
>> >> > <duttabirinchi@xxxxxxxxx>wrote:
>> >> >
>> >> >> Hello Sir,
>> >> >>
>> >> >> I have a problem.I want to set 5 colours to 5 different range
>> of
>> >> >> values like 0-2,2-4,etc.How is it possible in VisAD? Thanking you in
>> >> >> advance.
>> >> >>
>> >> >> Birinchi
>> >> >>
>> >> >> _______________________________________________
>> >> >> visad mailing list
>> >> >> visad@xxxxxxxxxxxxxxxx
>> >> >> For list information, to unsubscribe, visit:
>> >> >> http://www.unidata.ucar.edu/mailing_lists/
>> >> >>
>> >> >>
>> >> >
>> >>
>> >
>>
>
