Re: Arbitrary rotation of symbols?
Eric Patton <[email protected]> Thu, 17 Jul 2014 12:50:21 -0300
| Newsgroups | gmane.comp.gis.gmt.user |
|---|---|
| Message-ID | <20140717155021.GD2322@w5-dar-epatton> |
Thanks, but I was asking if it is possible to rotate a triangle symbol in psxy, or by some other method. The paths for my vectors have already been digitized by hand. I want insert rotated arrowheads at their endpoints. ~ Eric. On Thu, Jul 17, 2014 Joaquim Luis wrote: > We have curved vectors now on 5 (don't remember the details without > consulting the manual). See for example > > http://gmt.soest.hawaii.edu/doc/5.1.1/_images/example_30.png > > >I have generated a shapefile of glacial lineations using a GIS, and have > >successfully converted the line shapefile to GMT format using OGR. The > >lineations plot fine in GMT. > > > >These features are similar to vectors, in the sense that they illustrate > >direction of flow, but they are different in that they are not described by a > >length and azimuth as vectors are using -Sv; they curved lines. I want to show > >the direction of flow by placing a triangle at the last x,y coordinate in the > >line segment, but is it possible to rotate a triangle symbol so that the > >triangle head is oriented correctly with respect to the trend of the line? > > > >This is basically the same issue described in > >https://listserv.hawaii.edu/cgi-bin/wa?A2=ind0801&L=GMT-HELP&P=R52411&1=GMT-HELP&9=A&I=-3&J=on&d=No+Match%3BMatch%3BMatches&z=4 > > > >but I'm not sure if the functionality has been added in the intervening 6 > >years. The psxy manual doesn't seem to indicate that there is, but I thought I > >would ask anyway. Mailing list for GMT discussions of all kinds. If you are not sure you have found a bug, discuss it here first. To formally report bugs or request features, please register and add New Issue on gmt.soest.hawaii.edu To unsubscribe, send the message "signoff gmt-help" to [email protected] Note: gmt-help will become obsolete on Sept 1, 2014 - please use forum on gmt.soest.hawaii.edu instead.