<html><head><meta http-equiv='Content-Type' content='text/html; charset=UTF-8'></head><body><div  style="font-family: 微软雅黑; font-size: 14px; line-height: 1.6;"><div style="font-family: 微软雅黑; font-size: 14px; line-height: 1.6;"><div><span style="font-family: 微软雅黑;"><span style="font-family: 微软雅黑;"></span>Hello every one,  <br></span></div><blockquote style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><div><span><span style="font-family: 微软雅黑;"><br></span></span></div><div>Firstly, I learned from AI that currently pgf doesn't support "/FunctionType 0" sampling function, but this is very useful when drawing tech charts. Can this feature be added?</div><div><br></div><div><span><span style="font-family: 微软雅黑;">Secondly, </span></span>for complex gradients, “/ShadingType 5” is very useful, will pgf have an official implementation for that type of shading in the future?  Such as the example in the Adobe manual book of Smooth Shading:</div></blockquote><blockquote style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><blockquote style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><div><span><br></span></div></blockquote></blockquote><blockquote style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><blockquote style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><blockquote style="margin: 0px 0px 0px 40px; border: none; padding: 0px;"><div><span>"/inch {72 mul} def</span></div><div><span>/DeviceRGB setcolorspace</span></div><div><span>%Define the shading dictionary</span></div><div><span><<</span></div><div><span>/ShadingType 5</span></div><div><span>/ColorSpace /DeviceRGB</span></div><div><span>/VerticesPerRow 2</span></div><div><span>/DataSource [</span></div><div><span>1 inch 1 inch 1 0 1 %Magenta at bottom left</span></div><div><span>7 inch 1 inch 0 1 1 %Cyan at bottom right</span></div><div><span>2 inch 10 inch 0 1 1 %Cyan at top left</span></div><div><span>8 inch 10 inch 1 0 1 %Magenta at top right</span></div><div><span>]</span></div><div><span>shfill</span></div><div><span>showpage"</span></div></blockquote></blockquote></blockquote><div><div><span><br></span></div><div><span>best!</span></div><div id="ntes-pcmac-signature" style="font-family:微软雅黑"><div style="font-size:14px;padding:0;margin:0"><div style="padding-bottom:6px;margin-bottom:10px;display:inline-block">        <a style="display:block;background:#fff; max-width: 400px; _width: 400px;padding:15px 0 10px 0;text-decoration: none; outline:none;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:none !important;text-size-adjust:none !important;">
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                                <div style="font-size: 16px;font-weight:bold; width:100%; white-space: nowrap; overflow:hidden;text-overflow: ellipsis;">hjiang</div>
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                                    <div style="width: 100%;font-size: 14px !important;word-wrap:break-word;word-break:break-all;">hjiang@xtu.edu.cn</div>
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