%% Skript zum Plot Interpolieren close all clear all %Skript für Plotbasics basics_plot %Kontrollpunkte definieren: fig_Res = figure(1); % figure handle erzeugen clf(fig_Res) strNurbBasic = struct('p',[],'pj',[],'u',[]); nurbs = strNurbBasic; nurbs.u = [0,0,0,1,1,1]; nurbs.p = [2]; bsplinehyper = nurbs; for i = 4:4 switch i case 1 wi = 0.2; lineStyle = myLineTwo; case 2 wi = 0.6; lineStyle = myLineThree; lineStyle2 = myGray75; case 3 wi = 1; lineStyle = myLineOne; case 4 wi = 2; lineStyle = myLineFour; lineStyle2 = myGray25; case 5 wi = 4; lineStyle = myLineFive; end nurbs.pj = [0 wi*1 1;0 wi*0 1;1 wi 1]; bsplinehyper.pj = nurbs.pj; ui = 0:0.01:1; vek = zeros(2,numel(ui)); vekbspline = zeros(3,numel(ui)); %% Plot NURBS for j = 1:numel(ui) vek(:,j) = berechneAbleitungenAnPunkt(ui(j),nurbs.p,nurbs.u,nurbs.pj,0); end plot3(vek(1,:),vek(2,:),ones(size(vek(1,:))),'Color',lineStyle) hold on %% Plot BSpline for j = 1:numel(ui) vekbspline(:,j) = berechneAbleitungBSplineAnPunkt(ui(j),bsplinehyper.p,bsplinehyper.u,bsplinehyper.pj,0); end plot3(vekbspline(1,:),vekbspline(2,:),vekbspline(3,:),'Color',myLineSix) end plot3(nurbs.pj(1,1:end)./nurbs.pj(end,1:end),nurbs.pj(2,1:end)./nurbs.pj(end,1:end),ones(size(nurbs.pj(2,1:end))),'LineStyle','none','Marker','x','MarkerSize',8,'Color',myLineOne,'LineWidth',1.1) plot3(bsplinehyper.pj(1,1:end),bsplinehyper.pj(2,1:end),bsplinehyper.pj(3,1:end),'LineStyle','none','Marker','x','MarkerSize',5,'Color',myLineSix,'LineWidth',0.9) for k = 1:numel(nurbs.pj(1,1:end)) text(bsplinehyper.pj(1,k)-0.2,bsplinehyper.pj(2,k)+0.05,bsplinehyper.pj(3,k)+0.00,['$\tilde{\mv{p}}_' num2str(k-1) '$'],'Interpreter','none') text(nurbs.pj(1,k)./nurbs.pj(end,k)-0.05,nurbs.pj(2,k)./nurbs.pj(end,k)-0.05,1+0.02,['$\cp{' num2str(k-1) '}$'],'Interpreter','none') end for n = 1:2:11 plot3([0 vek(1,10*(n-1)+1),vekbspline(1,10*(n-1)+1)],[0 vek(2,10*(n-1)+1),vekbspline(2,10*(n-1)+1)],[0 1,vekbspline(3,10*(n-1)+1)],'Color',lineStyle2,'LineStyle','--','Marker','.','MarkerSize',4) end plot3([0 vek(1,end),vekbspline(1,end)],[0 vek(2,end),vekbspline(2,end)],[0 1,vekbspline(3,end)],'Color',lineStyle2,'LineStyle','--','Marker','.','MarkerSize',4) plot3([0, nurbs.pj(1,2)./nurbs.pj(end,2),bsplinehyper.pj(1,2)],[0, nurbs.pj(2,2)./nurbs.pj(end,2),bsplinehyper.pj(2,2)],[0, nurbs.pj(3,2)./nurbs.pj(end,2),bsplinehyper.pj(3,2)],'Color',lineStyle2,'LineStyle','--','Marker','.','MarkerSize',4) pat = fill3([1 1 0 0],[0 1 1 0],[1 1 1 1],myGray50,'LineStyle','none'); alpha(pat,0.2); text(0.1,0.95,1,'$w=1$') grid on xlabel('\figureXLabel') ylabel('\figureYLabel') zlabel('\figureZLabel') % % set(gca,'XLim',[0,1]) % set(gca,'YLim',[0,1]) % % % scatter(P(1,:),P(2,:),'x','MarkerEdgeColor','black','LineWidth',1.5,'SizeData',400) % % % axis off % % axis equal % hold on % % text(P(1,1)+0.2,P(2,1)+0.1,'$\mv{p}_{i-1}$','Interpreter','none') % text(P(1,2)+0.1,P(2,2)+0.4,'$\mv{p}_i$','Interpreter','none') % text(P(1,3)+0.1,P(2,3)-0.3,'$\mv{p}_{i+1}$','Interpreter','none') % text(P(1,4)-0.9,P(2,4)+0.3,'$\mv{p}_{i+2}$','Interpreter','none') % % % % %% Polynomfit % % % % a = polyfit(P(1,:),P(2,:),3); % % y = polyval(a,[-5:0.01:5]); % % plot([-5:0.01:5],y,'LineStyle','--','Color',myLineThree) % % % %% Lineare Interpolation mit zirkularer Blende % % % Winkelhalbierende berechnen % % % delta = [0,1.2,0.7,0]; % % for i = 2:size(P,2)-1 % % n1 = (P(:,i-1)-P(:,i))/norm(P(:,i-1)-P(:,i)); % n2 = (P(:,i+1)-P(:,i))/norm(P(:,i+1)-P(:,i)); % % nWH = (n1+n2)/norm(n1+n2); %Richtungsvektor der Winkelhalbierenden % % % WH plotten % % WH = P(:,i)+[-1:0.01:4].*nWH; % plot(WH(1,:),WH(2,:),'LineStyle','-.','Color',myGray50) % % % % Kreimittelpunkt berechnen % % % SP1 = P(:,i)+delta(i).*n1; % SP2 = P(:,i)+delta(i).*n2; % % nSenk1 = [0 1;-1 0]*n1; % nSenk2 = [0 1;-1 0]*n2; % % lambda = [-nSenk1 nSenk2]\(SP1-SP2); % % MP = SP1+lambda(1).*nSenk1; % MP2 = SP2+lambda(2).*nSenk2; % % % plot(SP1(1),SP1(2),'Marker','o','Color',myLineOne,'MarkerEdgeColor','black','MarkerFaceColor','black') % % plot(SP2(1),SP2(2),'Marker','o','Color',myLineOne,'MarkerEdgeColor','black','MarkerFaceColor','black') % % %Kreis Plotten % plot(MP(1),MP(2),'Marker','o','Color',myLineOne,'MarkerEdgeColor','black','MarkerFaceColor','black') % % xval = SP1(1); % yval = SP1(2); % x = xval; % y = yval; % while xval < SP2(1) % xval = xval + 0.01; % if yval > MP(1) % yval = +sqrt(lambda(1)^2-(xval-MP(1))^2)+MP(2); % else % yval = -sqrt(lambda(1)^2-(xval-MP(1))^2)+MP(2); % end % % if imag(yval) == 0 % x = [x, xval]; % y = [y, yval]; % end % end % x = [x,SP2(1)]; % y = [y,SP2(2)]; % % plot(x,y,'LineStyle','-','Color',myLineTwo) % % % % % % plot(MP2(1),MP2(2),'Marker','o','Color',myLineOne,'MarkerEdgeColor','black','MarkerFaceColor','black') % % end % % text(P(1,2)-0.7,P(2,2)-0.2,'$\delta_i$','Interpreter','none') % text(P(1,3)-1.1,P(2,3)+0.3,'$\delta_{i+1}$','Interpreter','none') % % plot(P(1,:),P(2,:),'LineStyle','-','Marker','o','Color',myLineOne,'MarkerEdgeColor','black','MarkerFaceColor','black','LineWidth',1,'MarkerSize',5) % % xlabel('\figureXLabel') % ylabel('\figureYLabel') % % %% % % a2 = polyfit(P(1,:),P(2,:),4); % % y2 = polyval(a2,[-5:0.01:5]); % % plot([-5:0.01:5],y2,'LineStyle','--','Color','red') % % box on matlab2tikz('filename','plot_nurbshyperebene.tex',... 'height', '\figureheight', 'width', '\figurewidth', 'encoding', 'UTF8', 'showInfo', false, 'checkForUpdates', false, ... 'parseStrings', false, ... % switch off LaTeX parsing by matlab2tikz for titles, axes labels etc. ("greater flexibility", "use straight LaTeX for your labels") 'floatFormat', '%.4g', ... % limit precision to get smaller .tikz files 'noSize', false); hold off % box off % Box um die figure herum ausblenden