Make lines thinner than the 0.5 setting in R2015b
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I'm hoping that this might have a simple solution.. I'm plotting a series of polygon line segments using the Mapping Toolbox command geoshow and need them to be very thin (less than 0.5) as there are thousands of individual segments. Currently, the plotting code is:
geoshow(lats,lons,'LineWidth',0.1,'Color','red');
but, upon inspection afterwards, it only plots lines that are actually of LineWidth 0.5. A sample plot of a single year is attached, but keep in mind that there will be an additional 32 years of data being plotted at the same time. Any suggestions?
2 Kommentare
dpb
am 23 Jul. 2016
See recent similar question...the issue is likely one what the actual resolution can be give pixel spacing. <Line Width>
Antworten (1)
Leone Campos
am 10 Aug. 2021
I was able to "simulate" a thinner LineWidth behavior using transparency (alpha). You may have problems with rendering, since it forces using opengl render, but you can give it a try.
Original:
coast = shaperead('landareas.shp','UseGeoCoords',true,'RecordNumbers',2);
coast.Geometry
worldmap([-45 80],[-25 195]);
geoshow(coast)
Smaller LineWidth doesn't change anything:
coast = shaperead('landareas.shp','UseGeoCoords',true,'RecordNumbers',2);
coast.Geometry
worldmap([-45 80],[-25 195]);
geoshow(coast,'LineWidth',0.1) % <<---- Modified line
With EdgeAlpha:
coast = shaperead('landareas.shp','UseGeoCoords',true,'RecordNumbers',2);
coast.Geometry
worldmap([-45 80],[-25 195]);
geoshow(coast,'EdgeAlpha',0.5) % <<---- Modified line
Even thinner:
coast = shaperead('landareas.shp','UseGeoCoords',true,'RecordNumbers',2);
coast.Geometry
worldmap([-45 80],[-25 195]);
geoshow(coast,'EdgeAlpha',0.25) % <<---- Modified line
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