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extend [2018/07/21 00:20] – [... extend options...] brucemutton | extend [2018/08/08 02:19] – [Extended elevation scrap drawing considerations] add -flip none brucemutton |
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''extend reverse <station>'' - continue generating all extended centreline legs from this station onwards, in the opposite direction to the leg immediately previous.\\ | ''extend reverse <station>'' - continue generating all extended centreline legs from this station onwards, in the opposite direction to the leg immediately previous.\\ |
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''extend vertical <leg>'' - do not extend this leg horizontally, extend only the vertical component of this leg, then continue extending subsequent legs as per leg immediately previous.\\ | ''extend vertical <leg>'' - do not extend this leg horizontally, extend only the vertical component of this leg, then continue extending subsequent legs as per leg immediately previous. The order of stations in your vertical statement should usually match the direction of extended elevation centreline generation. However if Therion seems to ignore this vertical statement, try reversing the order of the stations in your vertical statement, and it might work!\\ |
''extend vertical <station>'' - continue generating only the vertical components all extended centreline legs from this station onwards.\\ | ''extend vertical <station>'' - continue generating only the vertical components all extended centreline legs from this station onwards.\\ |
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====Extended elevation scrap drawing considerations==== | ====Extended elevation scrap drawing considerations==== |
If you have drawn a scrap with the opposite orientation to the extended centreline generation, it will tend to plot inside out. You need to compensate for this by including ''-flip horizontal'' in the definition of your scrap. Or you can add ''-revise scrap-id -flip horizontal'' in your Extend-CaveName-ElevEXT.th file. | If you have drawn a scrap with the opposite orientation to the extended centreline generation, it will tend to plot inside out. You need to compensate for this by including ''-flip horizontal'' in the definition of your scrap. Or you can add ''-revise scrap-id -flip horizontal'' or ''-flip none'' in your Extend-CaveName-ElevEXT.th file. |
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If you include in your scrap drawing a ''point station -name <station>'' where that <station> is at a survey leg junction AND is offset in the extended centreline due to extended loop misclosure, then it will force the extended station to plot, incorrectly, in its original location, distorting the scrap in the vicinity of that leg. This can be vexing, as \\ | If you include in your scrap drawing a ''point station -name <station>'' where that <station> is at a survey leg junction AND is offset in the extended centreline due to extended loop misclosure, then it will force the extended station to plot, incorrectly, in its original location, distorting the scrap in the vicinity of that leg. This can be vexing, as \\ |