add ArenaCaesarExt and test plotPointCloud (#119)

* add ArenaCaesarExt and test plotPointCloud

* bug fix on test plotPointCloud

* missing extra dep LasIO for testing

* missing extra dep Downloads for test

* Add Caesar and LasIO compat

* Update Project.toml compat

---------

Co-authored-by: Johannes Terblanche <[email protected]>

Project.toml

@@ -17,14 +17,24 @@ RoME = "91fb55c2-4c03-5a59-ba21-f4ea956187b8"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 TensorCast = "02d47bb6-7ce6-556a-be16-bb1710789e2b"
 
+[weakdeps]
+Caesar = "62eebf14-49bc-5f46-9df9-f7b7ef379406"
+
+[extensions]
+ArenaCaesarExt = "Caesar"
+
 [compat]
 Aqua = "0.8"
+Caesar = "0.16"
 ColorSchemes = "3"
 Colors = "0.12"
+DelimitedFiles = "1"
 DistributedFactorGraphs = "0.23"
 DocStringExtensions = "0.9"
+Downloads = "1"
 GLMakie = "0.9"
 GeometryBasics = "0.4"
+LasIO = "0.3"
 Manifolds = "0.9"
 Pkg = "1"
 ProgressMeter = "1"
@@ -36,7 +46,10 @@ julia = "1.10"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
+DelimitedFiles = "8bb1440f-4735-579b-a4ab-409b98df4dab"
+Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
+LasIO = "570499db-eae3-5eb6-bdd5-a5326f375e68"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Aqua", "Test"]
+test = ["Aqua", "Caesar", "Downloads", "DelimitedFiles", "LasIO", "Test"]

ext/ArenaCaesarExt.jl

@@ -0,0 +1,18 @@
+module ArenaCaesarExt
+
+@info "Loading ArenaCaesarExt"
+
+using GLMakie
+using ColorSchemes
+using TensorCast
+
+using Caesar
+import Caesar._PCL as _PCL
+
+using Arena
+import Arena: plotPointCloud
+
+
+include("services/PlotPointCloudMap.jl")
+
+end

ext/Prototypes.jl

@@ -0,0 +1,3 @@
+
+
+function plotPointCloud end

src/Arena.jl

@@ -26,9 +26,11 @@ using DocStringExtensions
 # a lot of legacy code has been moved to the attic
 
 # include("Exports.jl")
-# include("services/PlotPointCloudMap.jl")
 # include("services/PlotBoundingBox.jl")
 include("services/PlotFeatureTracks.jl")
 include("services/PlotHistogramGrid.jl")
 
+# support weakdeps exports
+include("../ext/Prototypes.jl")
+
 end # module

test/runtests.jl

@@ -19,3 +19,11 @@ using Aqua
     # include("testBasicAnimations.jl")
 
 end
+
+
+## ==========================================================
+## test ArenaCaesarExt
+
+using Caesar
+
+include("testPlotPointCloud.jl")

test/testPlotPointCloud.jl

@@ -0,0 +1,42 @@
+
+using Arena
+using Caesar
+using Downloads
+using DelimitedFiles
+using LasIO
+using Test
+
+##
+
+function downloadTestData(datafile, url)
+  if 0 === Base.filesize(datafile)
+    Base.mkpath(dirname(datafile))
+    @info "Downloading $url"
+    Downloads.download(url, datafile)
+  end
+  return datafile
+end
+
+testdatafolder = joinpath(tempdir(), "caesar", "testdata") # "/tmp/caesar/testdata/"
+
+lidar_terr1_file = joinpath(testdatafolder,"lidar","simpleICP","terrestrial_lidar1.xyz")
+if !isfile(lidar_terr1_file)
+  lidar_terr1_url = "https://github.com/JuliaRobotics/CaesarTestData.jl/raw/main/data/lidar/simpleICP/terrestrial_lidar1.xyz"
+  downloadTestData(lidar_terr1_file,lidar_terr1_url)
+end
+
+# load the data to memory
+X_fix = readdlm(lidar_terr1_file, Float32)
+# convert data to PCL types
+pc_fix = Caesar._PCL.PointCloud(X_fix);
+
+
+##
+@testset "test plotPointCloud" begin
+##
+
+pl = Arena.plotPointCloud(pc_fix);
+
+##
+end
+##