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Cartopy

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A cartographic python library with matplotlib support | https://scitools.org.uk/cartopy2 Servers

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24 Apr 2021
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29 Apr 2021
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7 May 2021
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9 May 2021
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) Hello I would like to know how I can correctly plot the longitude on the map. 16:28:52
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) 16:30:21
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) 16:30:36
10 May 2021
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) reading the Cartopy documentation I found the solution. (https://scitools.org.uk/cartopy/docs/latest/gallery/gridlines_and_labels/tick_labels.html?highlight=set_xticks) 09:02:10
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) 09:02:34
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) 09:02:51
@stefraynaud-5c12189bd73408ce4fb1ce11:gitter.imstefraynaud (Stephane Raynaud) hi @leonardojimenez1990 you should probably use ax.gridlines(draw_labels=True) 10:08:01
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) Thank you very much @stefraynaud, I would like, although it seems that with the use of the code of (https://scitools.org.uk/cartopy/docs/latest/gallery/gridlines_and_labels/tick_labels.html?highlight=set_xticks), the plot of SST values are more accurate. Could you help me understand? 10:31:24
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) 10:31:46
@stefraynaud-5c12189bd73408ce4fb1ce11:gitter.imstefraynaud (Stephane Raynaud) What do you mean by "more accurate" ? 10:33:27
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) In my appreciation, when you plot SST values on the map, you use more and smaller scale intervals. example [-2.0, -1.5, -1.0, -0.5, 0, 0.5, 1.0, 1.5, 2.0] while ax.gridlines (draw_labels = True) uses [-1.0, -0.5, 0, 0.5, 1.0] 10:44:00
@stefraynaud-5c12189bd73408ce4fb1ce11:gitter.imstefraynaud (Stephane Raynaud) I have no idea by the colorbar is changed when adding gridlines 11:08:31
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) Thank you very much @stefraynaud , it seems like an interesting topic. Know the differences of these two plotting methods. 12:07:46
@rcsmit-609925556da03739847c429b:gitter.imrcsmit (Rene Smit) joined the room.12:22:47
@rcsmit-609925556da03739847c429b:gitter.imrcsmit (Rene Smit) Hello! I want to use cartopy but it keeps asking for Proj 4.9.0. I installed it using the indications on https://proj.org/install.html, it is on my harddisk but it isnt connected to my python apparently 12:22:48
@rcsmit-609925556da03739847c429b:gitter.imrcsmit (Rene Smit) I use windows 12:22:56
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990)

@stefraynaud, Better to draw with ax.gridlines (draw_labels = True)

When I use this code, I am introducing a tracing error. Because this code is for the Mercator projection. I hope to help fix this issue.
"# Label axes of a Mercator projection without degree symbols in the labels

and formatting labels to include 1 decimal place: "

12:52:14
@leonardojimenez1990-6030f7636da0373984627f60:gitter.imleonardojimenez1990 (leonardojimenez1990) *

@stefraynaud, Better to draw with ax.gridlines (draw_labels = True)

When I use this code, I am introducing a tracing error. Because this code is for the Mercator projection. I hope to help fix this issue.
"# Label axes of a Mercator projection without degree symbols in the labels

and formatting labels to include 1 decimal place: "

12:53:42
@greglucas-5e4aa1d2d73408ce4fd9dd9e:gitter.imgreglucas (Greg) @rcsmit, Is PROJ in your library path on Windows? It may be due to virtual environments not having access to where you installed PROJ... There are some Windows binaries available here: https://www.lfd.uci.edu/~gohlke/pythonlibs/#cartopy or conda-forge is another good place to look for easier installation as well. 13:36:24
@rcsmit-609925556da03739847c429b:gitter.imrcsmit (Rene Smit) thank you so much, I'll try. 16:23:39
@rcsmit-609925556da03739847c429b:gitter.imrcsmit (Rene Smit) It worked from that uci.edu site! thanks again 16:40:42

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