Try this code metapost def l_u_redRoute (expr Path) = T:=identity; pickup PenC; draw Path withcolor red; enddef; def l_u_blueRoute (expr Path) = T:=identity; pickup PenC; draw Path withcolor blue; enddef; def l_u_greenRoute (expr Path) = T:=identity; pickup PenC; draw Path withcolor green; enddef; def l_u_magentaRoute (expr Path) = T:=identity; pickup PenC; draw Path withcolor (1,0,1); enddef; endcode
On 25 May 2015, at 11:00, therion-request@speleo.sk wrote:
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Today's Topics:
1. How to mark a preferred way through a cave (Michael Wasmund)
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Message: 1 Date: Mon, 25 May 2015 15:30:56 +1200 From: "Michael Wasmund" <knollesimage@t-online.de> Subject: [Therion] How to mark a preferred way through a cave To: <therion@speleo.sk> Message-ID: <66F62DB470E24B4AB296F2185DAEB852@BL3AG545> Content-Type: text/plain; charset="us-ascii"
Hello,
If I want to mark a preferred way through a maze cave, is there a way to "mark" or "flag" some centerlines, so that they appear different from the majority in 2D / 3D output? (Can't work with scraps, it's all bitmaps)
Michael.
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End of Therion Digest, Vol 113, Issue 17 ****************************************