Hi guys This may be a noob question but : a vertex normal is a vector described by a single (x,y,z) point in the world-coordinate space, so for it to have direction it must have an 'origin' – question is, for a vertex normal is the origin (a) the vertex it's the normal for, or (b) is it origin (0,0,0)? Thanks Justin
MATLAB: Vertex Normals – what is their origin point
lightingnormalvertex
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Try this:
grayImage = imread('cameraman.tif');[rows, columns, numberOfColorChannels] = size(grayImage);origin = [13, 58]; % Assume x, y, NOT row, column
xdata = -origin(1) : columns - origin(1);ydata = -origin(2) : columns - origin(2);imshow(grayImage, 'XData', xdata, 'YData', ydata);axis on;hp = impixelinfogrid on;
with polybool and polyarea
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