[texworks] Problem with TW viewer : asymptote and layers

[site4000 at free.fr]

Ok, thanks Paul.



Le 20/06/2011 00:45, Paul A Norman a écrit :
> Dear Arthur,
>
> If you are looking for layers in the TeXworks previewer then I do not
> believe that you will currently find them in any release of TeXworks.
>
> The previewer is based on Poppler a different engine to the acrobat
> reader pdf viewer.
>
> There has been talk on the list here about seeing if layers can be
> activated in the TeXworks previewer, but at present the feature is not
> available to r759
>
> Here is a link to a previous discussion on the topic.
>
> http://tug.org/mailman/mmsearch/texworks?config=texworks&restrict=&exclude=&method=and&format=long&sort=score&words=layers
>
> Paul
>
> On 20 June 2011 10:02,<site4000 at free.fr>  wrote:
>> Hello,
>>
>> I use Windows Seven 64 bits, TL2010 up to date with TLContrib and run
>> TeXworks 0.4.0 (r.759).
>>
>> I got the following Asymptote code here :
>> http://asymptote.sourceforge.net/gallery/spectrum.asy
>>
>> Here it is :
>>
>> import graph;
>> usepackage("ocg");
>> settings.tex="pdflatex";
>>
>> // Dan Bruton algorithm
>> pen nm2rgb(real wl, real gamma=0.8, bool intensity=true) {
>>   triple rgb;
>>   if(wl>= 380&&    wl<= 440) {rgb=((440-wl)/60,0,1);}
>>   if(wl>     440&&    wl<= 490) {rgb=(0,(wl-440)/50,1);}
>>   if(wl>     490&&    wl<= 510) {rgb=(0,1,(510-wl)/20);}
>>   if(wl>     510&&    wl<= 580) {rgb=((wl-510)/70,1,0);}
>>   if(wl>     580&&    wl<= 645) {rgb=(1,(645-wl)/65,0);}
>>   if(wl>     645&&    wl<= 780) {rgb=(1,0,0);}
>>
>>   real Intensity=1;
>>   if(intensity) {
>>     if(wl>= 700) {Intensity=0.3+0.7*(780-wl)/80;}
>>     else if(wl<= 420) {Intensity=0.3+0.7*(wl-380)/40;}
>>   }
>>
>>   return rgb((Intensity*rgb.x)**gamma,(Intensity*rgb.y)**gamma,
>>              (Intensity*rgb.z)**gamma);
>> }
>>
>> real width=1;
>> real height=50;
>>
>> begin("spectrum");
>> for(real i=380 ; i<= 780 ; i += width) {
>>   draw((i,0)--(i,height),width+nm2rgb(wl=i,false)+squarecap);
>> }
>> begin("Extinction",false); // nested
>> for(real i=380 ; i<= 780 ; i += width) {
>>   draw((i,0)--(i,height),width+nm2rgb(wl=i,true)+squarecap);
>> }
>> end();
>> end();
>>
>> begin("Wavelength");
>> xaxis(scale(0.5)*"$\lambda$(nm)",BottomTop,380,780,
>>       RightTicks(scale(0.5)*rotate(90)*Label(),step=2,Step=10),above=true);
>> end();
>>
>> // From Astronomical Data Center(NASA)
>> // Neutral only
>> real[] Na={423.899, 424.208, 427.364, 427.679, 428.784, 429.101,
>>            432.14, 432.462, 434.149, 434.474, 439.003, 439.334, 441.989,
>> 442.325,
>>            449.418, 449.766, 454.163, 454.519, 568.2633, 568.8204, 588.995,
>>            589.5924};
>> begin("Na absorption");
>> for(int i=0; i<    Na.length; ++i) {
>>   draw((Na[i],0)--(Na[i],height),0.1*width+squarecap);
>> }
>> end();
>>
>> begin("Na emission");
>> for(int i=0; i<    Na.length; ++i) {
>>   draw((Na[i],0)--(Na[i],-height),0.1*width+nm2rgb(Na[i],false)+squarecap);
>> }
>> end();
>>
>> // Neutral only
>> real[] Zn={388.334, 396.543, 411.321, 429.288, 429.833, 462.981,
>>            468.014, 472.215, 481.053 , 506.866, 506.958, 518.198, 530.865,
>>            531.024, 531.102, 577.21, 577.55, 577.711, 623.79, 623.917,
>> 636.234,
>>            647.918, 692.832, 693.847, 694.32, 779.936};
>> begin("Zn absorption",false);
>> for(int i=0; i<    Zn.length; ++i) {
>>   draw((Zn[i],0)--(Zn[i],height),width+squarecap);
>> }
>> end();
>>
>> begin("Zn emission",false);
>> for(int i=0; i<    Zn.length; ++i) {
>>   draw((Zn[i],0)--(Zn[i],-height),width+nm2rgb(Zn[i],false)+squarecap);
>> }
>> end();
>>
>> shipout(bbox(2mm,Fill(white)));
>>
>>
>>
>>
>> (When you compile this code with asymptote, it produces a pdf file with 7
>> layers)
>>
>> Then I tried to use the Asymptote code above in the latex following document
>> :
>>
>>
>>
>>
>>
>> \documentclass{article}
>>
>> \usepackage[utf8]{inputenc}
>>
>> \usepackage[T1]{fontenc}
>>
>> \usepackage{asymptote}
>>
>> %\usepackage{ocg}
>>
>> \begin{document}
>>
>> \begin{asy}
>>
>> import graph;
>>
>> usepackage("ocg");
>>
>> settings.tex="pdflatex";
>>
>> // Dan Bruton algorithm
>>
>> pen nm2rgb(real wl, real gamma=0.8, bool intensity=true) {
>>
>> triple rgb;
>>
>> if(wl>= 380&&  wl<= 440) {rgb=((440-wl)/60,0,1);}
>>
>> if(wl>  440&&  wl<= 490) {rgb=(0,(wl-440)/50,1);}
>>
>> if(wl>  490&&  wl<= 510) {rgb=(0,1,(510-wl)/20);}
>>
>> if(wl>  510&&  wl<= 580) {rgb=((wl-510)/70,1,0);}
>>
>> if(wl>  580&&  wl<= 645) {rgb=(1,(645-wl)/65,0);}
>>
>> if(wl>  645&&  wl<= 780) {rgb=(1,0,0);}
>>
>> real Intensity=1;
>>
>> if(intensity) {
>>
>> if(wl>= 700) {Intensity=0.3+0.7*(780-wl)/80;}
>>
>> else if(wl<= 420) {Intensity=0.3+0.7*(wl-380)/40;}
>>
>> }
>>
>> return rgb((Intensity*rgb.x)**gamma,(Intensity*rgb.y)**gamma,
>>
>> (Intensity*rgb.z)**gamma);
>>
>> }
>>
>> real width=1;
>>
>> real height=50;
>>
>> begin("spectrum");
>>
>> for(real i=380 ; i<= 780 ; i += width) {
>>
>> draw((i,0)--(i,height),width+nm2rgb(wl=i,false)+squarecap);
>>
>> }
>>
>> begin("Extinction",false); // nested
>>
>> for(real i=380 ; i<= 780 ; i += width) {
>>
>> draw((i,0)--(i,height),width+nm2rgb(wl=i,true)+squarecap);
>>
>> }
>>
>> end();
>>
>> end();
>>
>> begin("Wavelength");
>>
>> xaxis(scale(0.5)*"$\lambda$(nm)",BottomTop,380,780,
>>
>> RightTicks(scale(0.5)*rotate(90)*Label(),step=2,Step=10),above=true);
>>
>> end();
>>
>> // From Astronomical Data Center(NASA)
>>
>> // Neutral only
>>
>> real[] Na={423.899, 424.208, 427.364, 427.679, 428.784, 429.101,
>>
>> 432.14, 432.462, 434.149, 434.474, 439.003, 439.334, 441.989, 442.325,
>>
>> 449.418, 449.766, 454.163, 454.519, 568.2633, 568.8204, 588.995,
>>
>> 589.5924};
>>
>> begin("Na absorption");
>>
>> for(int i=0; i<  Na.length; ++i) {
>>
>> draw((Na[i],0)--(Na[i],height),0.1*width+squarecap);
>>
>> }
>>
>> end();
>>
>> begin("Na emission");
>>
>> for(int i=0; i<  Na.length; ++i) {
>>
>> draw((Na[i],0)--(Na[i],-height),0.1*width+nm2rgb(Na[i],false)+squarecap);
>>
>> }
>>
>> end();
>>
>> // Neutral only
>>
>> real[] Zn={388.334, 396.543, 411.321, 429.288, 429.833, 462.981,
>>
>> 468.014, 472.215, 481.053 , 506.866, 506.958, 518.198, 530.865,
>>
>> 531.024, 531.102, 577.21, 577.55, 577.711, 623.79, 623.917, 636.234,
>>
>> 647.918, 692.832, 693.847, 694.32, 779.936};
>>
>> begin("Zn absorption",false);
>>
>> for(int i=0; i<  Zn.length; ++i) {
>>
>> draw((Zn[i],0)--(Zn[i],height),width+squarecap);
>>
>> }
>>
>> end();
>>
>> begin("Zn emission",false);
>>
>> for(int i=0; i<  Zn.length; ++i) {
>>
>> draw((Zn[i],0)--(Zn[i],-height),width+nm2rgb(Zn[i],false)+squarecap);
>>
>> }
>>
>> end();
>>
>> shipout(bbox(2mm,Fill(white)));
>>
>> \end{asy}
>>
>> \end{document}
>>
>>
>>
>> When I compile this code with pdflatex (pdflatex+asy+pdflatex), there's non
>> problem (I fact there is a problem because there is no more layers but that
>> another problem and it doesn't come from TeXworks) but if you uncomment the
>> fifth line (%\usepackage{ocg})
>> and then compile again with pdflatex (pdflatex+asy+pdflatex), everything
>> disappear. However, if you read the pdf with acrobat, there's no problem
>> with it.
>>
>>
>> Arthur
>>
>>
>>
>>
>>
>
>