Hi Olver,
I see that your FlatField is also rendered as triangles, so
the problem is not lines versus triangles. Try moving:
display.addReference(ref_text_field);
before:
display.addReference(data_ref);
That should cause the text to be rendered after the
FlatField and hence appear over it (in a DisplayImplJ2D,
DataReferences are rendered in inverse order to their
addReference() calls).
Good luck,
Bill
On Wed, 23 Apr 2003, OLVER OLFREY HERNANDEZ NAVARRO wrote:
> Hi Bill.
>
> I'm using DisplayImplJ2D. I need the text with Serif font by to show
> "tildes" (á é í ó ú).
>
> This is my code:
>
> display = new DisplayImplJ2D("display");
>
> GraphicsModeControl dispGMC = (GraphicsModeControl)
> display.getGraphicsModeControl();
> dispGMC.setScaleEnable(true);
> varRaster = new RealType("varRaster");
> texField = new TextType("text");
>
>
> lonMap = new ScalarMap( RealType.Longitude, Display.XAxis );
> latMap = new ScalarMap( RealType.Latitude, Display.YAxis );
> varMap = new ScalarMap( varRaster, Display.RGB );
> texMap = new ScalarMap( texField, Display.Text );
>
> display.addMap( latMap );
> display.addMap( lonMap );
> display.addMap( varMap );
> display.addMap( texMap );
>
> TextControl tcontrol = (TextControl) texMap.getControl();
> Font font = new Font("Serif", Font.PLAIN, 60);
> tcontrol.setFont(font);
>
> /* se construye la referencia del flatField*/
> Linear2DSet dominio;
> FunctionType funcionTransfer;
> campo=new RealTupleType(RealType.Longitude,RealType.Latitude);
> funcionTransfer = new FunctionType(campo, varRaster);
> dominio = new Linear2DSet(campo,-80,-65,900,-5,13,1080);
>
> float[][]datos={new Raster().getDatos()};
>
> valores = new FlatField( funcionTransfer, dominio,null,null,new
> Integer1DSet[]{new Integer1DSet(varRaster, 1087)},null);
>
> valores.setSamples(datos, false);
> DataReferenceImpl data_ref = new DataReferenceImpl("data_ref");
> data_ref.setData(valores);
>
> display.addReference(data_ref);
> ProjectionControl pc = display.getProjectionControl();
> pc.setAspectCartesian(new double[] {1.0, (double) (1080/900d)});
>
> /*se construye la referencia del texto */
> RealType[] time = {RealType.Time};
> RealTupleType time_type = new RealTupleType(time);
> MathType[] mtypes = {RealType.Latitude, RealType.Longitude, texField};
> TupleType text_tuple = new TupleType(mtypes);
> FunctionType text_function = new FunctionType(RealType.Time, text_tuple);
>
> String[] names = {"texto con tílsde"};
> int ntimes1 = names.length;
> Set time_set = new Linear1DSet(time_type, 0.0, (double) (ntimes1 - 1.0),
> ntimes1);
>
> FieldImpl text_field = new FieldImpl(text_function, time_set);
>
> for (int i=0; i<ntimes1; i++) {
> Data[] td = {new Real(RealType.Latitude, (double)5),
> new Real(RealType.Longitude, (double)-75),
> new Text(texField, names[i])};
>
> Tuple tt = new Tuple(text_tuple, td);
> text_field.setSample(i, tt);
> }
>
> ref_text_field = new DataReferenceImpl("ref_text_field");
> ref_text_field.setData(text_field);
> display.addReference(ref_text_field);
>
>
>
> //----------------
> If I comment the line tcontrol.setFont(font), the text is showed, but
> without "í", and if I dón't comment that, the text appears under the
> flatfield.
>
> Thank's a lot.
>
> Olver
>
>
> > Hi Olver,
> >
> > You are probably using a DisplayImplJ2D or a DisplayImplJ3D
> > with a TwoDDisplayRendererJ3D. In both cases it wll try to
> > display lines and points over filled triangles. Text without
> > a font (or with a Hershey font) uses lines, text with a font
> > uses triangles (and hence go behind the lines of your FlatField).
> >
> > The easiest approach is to use a Hershey font.
> >
> > Another apporach is possible if you are using a DisplayImplJ3D
> > with a TwoDDisplayRendererJ3D. It is to not use the
> > TwoDDisplayRendererJ3D, but instead use:
> >
> > GraphicsModeControl mode = display.getGraphicsModeControl();
> > mode.setProjectionPolicy(DisplayImplJ3D.PARALLEL_PROJECTION);
> >
> > You may also want to call MouseHelper.setFunctionMap() to
> > disable rotation (see an example of this function in
> > visad/examples/Test00.java).
> >
> > By not using TwoDDisplayRendererJ3D, you can use ConstantMaps
> > to ZAxis to explicitly place your Text and FlatField in depth
> > to control what's over what.
> >
> > Good luck,
> > Bill
> >
> > On Tue, 22 Apr 2003, OLVER OLFREY HERNANDEZ NAVARRO wrote:
> >
> >> Hi Bill.
> >>
> >> Thanks.
> >>
> >> A SIG (Sistema de Información Geográfica) is a GIS.
> >>
> >> textField is a TextType and textMap is a ScalarMap to Display.Text.
> >>
> >> Thanks a lot
> >>
> >> Olver.
> >>
> >>
> >> > Hi Olver,
> >> >
> >> > What are TextField and TextMap? Are they your own classes
> >> > of is TextField a FieldIMpl with a TextType in the range,
> >> > and TextMap a ScalarMap to Display.Text? Also, what's a
> >> > SIG?
> >> >
> >> > Cheers,
> >> > Bill
> >> >
> >> > On Mon, 21 Apr 2003, OLVER OLFREY HERNANDEZ NAVARRO wrote:
> >> >
> >> >> Hi All.
> >> >>
> >> >> I'm working in a SIG, and I need to show a Reference with a
> >> FlatField and a reference with a TextField. When I get the control
> >> of the TextMap, and I set the Font, the TextField is showed under
> >> the flatfield, but if I don't set the font the flatField is showed
> >> under the textFiel.
> >> >>
> >> >> I need to set the font and that the FlatField is shown under the
> >> textFiel. Can I do this???
> >> >>
> >> >> Olver.
>
>
>
>
