Image curve.jpg
imageJpg dimension = java.awt.Dimension[width=771,height=471]
click on x=0, y=0 point
width=810,  height=810
0,0 at x=392, y=231
click on x=1, y=0 point
1,0 at x=733, y=227
click on x=0, y=1 point
0,1 at x=388, y=2
digitize desired points
point at x=49, y=232
-1.0058651026392962 -0.004366812227074236
point at x=59, y=205
-0.9765395894428153 0.11353711790393013
point at x=73, y=139
-0.9354838709677419 0.4017467248908297
point at x=91, y=60
-0.8826979472140762 0.7467248908296943
point at x=97, y=47
-0.8651026392961877 0.8034934497816594
point at x=104, y=39
-0.844574780058651 0.8384279475982532
point at x=113, y=45
-0.8181818181818182 0.8122270742358079
point at x=125, y=68
-0.782991202346041 0.7117903930131004
point at x=135, y=89
-0.7536656891495601 0.6200873362445415
point at x=145, y=99
-0.7243401759530792 0.5764192139737991
point at x=159, y=88
-0.6832844574780058 0.6244541484716157
point at x=170, y=63
-0.6510263929618768 0.7336244541484717
point at x=181, y=42
-0.6187683284457478 0.8253275109170306
point at x=191, y=31
-0.5894428152492669 0.8733624454148472
point at x=206, y=49
-0.5454545454545454 0.7947598253275109