<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-family: DengXian;"><span lang="EN-US">Hi Simon:<o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-family: DengXian;"><span lang="EN-US">    Im doing  Geometry Calibration and  Got a new Projection Matrix, but when I use  <span style="color: red;">AddProjection(const HomogeneousProjectionMatrixType & pMat)</span>,it return a error </span>¡°<span lang="EN-US">Failed to AddProjection</span>¡±<span lang="EN-US"> caused by </span>¡°<span lang="EN-US">VerifyAngles</span>¡± <span lang="EN-US">.Why did this happen? The Projection matrix is like </span>¡±<span lang="EN-US"> -579.694626 0.346023 55.985596 -21593.430343 2.372489 -582.222909 40.620927 -13026.736098 0.012678 0.028489 0.999514 -391.927351</span>¡±<span lang="EN-US">.<o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm; text-align: justify; font-family: DengXian;"><span lang="EN-US">    Another question.Im not sure how to change the image coordinate to uv in </span><span lang="EN-US" style="font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">pMat*(x,y,z,1)'=(u,v,1)'.</span></p><p style="margin: 0;"><br></p><p style="margin: 0;"><br></p><div style="position:relative;zoom:1"><div style="clear:both"></div></div></div><br><br><span title="neteasefooter"><p> </p></span>