Add methods for SimpleGraphs and associated tests, rework some internals (#3)

* add simple graph constructors and docs

* add test for simplerasterdigraph

Author: vlandau

Project.toml

@@ -4,12 +4,11 @@ authors = ["Vincent A. Landau <[email protected]>"]
 version = "0.0.1"
 
 [deps]
-ArchGDAL = "c9ce4bd3-c3d5-55b8-8973-c0e20141b8c3"
 GeoData = "9b6fcbb8-86d6-11e9-1ce7-23a6bb139a78"
 LightGraphs = "093fc24a-ae57-5d10-9952-331d41423f4d"
 SimpleWeightedGraphs = "47aef6b3-ad0c-573a-a1e2-d07658019622"
+SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-ArchGDAL = "0.6"
 julia = "1.6"

docs/src/userguide.md

@@ -2,10 +2,17 @@
 
 ## Building Graphs from Rasters
 
-SpatialGraphs.jl offers options methods for constructing graphs from raster
+SpatialGraphs.jl offers several functions for constructing graphs from raster
 data.
 
+### Simple Graphs
+```@docs
+simplerastergraph
+make_simple_raster_graph
+```
+
+### Weighted Graphs
 ```@docs
 weightedrastergraph
-make_raster_graph
+make_weighted_raster_graph
 ```

src/SpatialGraphs.jl

@@ -1,6 +1,6 @@
 module SpatialGraphs
 
-using LightGraphs, SimpleWeightedGraphs, ArchGDAL, GeoData
+using LightGraphs, SimpleWeightedGraphs, SparseArrays, GeoData
 
 include("structs.jl")
 include("graph_interface.jl")
@@ -13,6 +13,8 @@ export AbstractSpatialGraph, AbstractRasterGraph, SimpleRasterGraph,
        SimpleRasterDiGraph, WeightedRasterGraph, WeightedRasterDiGraph
 
 ## Raster graph
-export make_raster_graph, weightedrastergraph
+export make_weighted_raster_graph, weightedrastergraph,
+    make_simple_raster_graph, simplerastergraph
+
 
 end # module