Thanks Marco Eventually the squeaky wheel gets oiled :)
Looks like it should work, but it seems to complain about setting the parsed attribute to a picture. I will look some more when I have time tonight.. **data.mp (./data.mp [4001] [4002] [4003] [4004] [4005] [4006] [4007] [4008] [4009] [4010 ] [4011] [4012] [4013] [4014] [4015] [4016] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] >> unknown picture pic >> thelabelboxed ! Equation cannot be performed (unknown picture=numeric). <to be read again> Bruce From: Therion <[email protected]> On Behalf Of Marco Corvi via Therion Sent: Monday, 24 September 2018 21:16 To: [email protected] Cc: Marco Corvi <[email protected]> Subject: [Therion] boxed label hi bruce, this is a boxed u:label basically it gets the string as picture, its bounding box corners, and define the x and y to draw the box, then draw the string picture point 10 20 u:label -attr val 20 def p_u_label ( expr p,r,s,t ) = picture pic; pic := thelabel( ATTR_val, (0,0)) scaled s; pair q[]; numeric n[], m[], v; path bb; v := defaultscale; qO = ulcorner pic; q1 = lrcorner pic; nO := ypart q0 + 2.5 * v; n1 := ypart q1 - 1.5*v; m0 := xpart q0 - v; m1 := xpart q1 + 1.5*v; bb := (m0,n0) -- (m0,n1) -- (m1,n1) -- (m1,n0) -- cycle; draw bb rotated r shifted p; draw pic rotated r shifted p; enddef;
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