Rotated partial doughnut chart with a point marker in chart.js agularJS

I don’t think it can render partial doughnut/pie charts, but have you considered using a “blank” datapoint? This datapoint can be that remaining 1/4 value (blankData = 100 – (data1 + data2 + data3 + etc…)) You can set the coloring on it to be transparent or to match your page’s background colors. In this way you can have what appears to be a 3/4 sized doughnut/pie chart.