Check plugins are installed, close geocompx#960

darrellcarvalho · May 6, 2023 · 3cdb299 · 3cdb299
1 parent 517d515
commit 3cdb299
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/10-gis.Rmd b/10-gis.Rmd
@@ -22,13 +22,16 @@ library(gdalcubes)
 ```
 
 ```{r 09-gis-1-3, echo=FALSE}
-# Only run code if qgis is installed
+# Only run code if qgis and relevant plugins are installed
 has_qgis = FALSE
 qgisprocess_installed = "qgisprocess" %in% installed.packages()
 if(qgisprocess_installed) {
   algs = qgisprocess::qgis_algorithms()
   if(!is.null(algs)) {
-    if(nrow(algs) > 300) {
+    qgis_enable_plugins()
+    has_saga = any(grepl("saga", algs$provider))
+    has_grass = any(grepl("grass", algs$provider))
+    if(has_grass && has_saga) {
       has_qgis = TRUE
     }
   }