From 75ddb54a3590bda45ac8f7689de5f67f942533fe Mon Sep 17 00:00:00 2001 From: robinlovelace Date: Sat, 28 Sep 2024 06:41:10 +0100 Subject: [PATCH] Start on c4 --- 04-spatial-operations.Rmd | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/04-spatial-operations.Rmd b/04-spatial-operations.Rmd index f15624042..9a35e54c3 100644 --- a/04-spatial-operations.Rmd +++ b/04-spatial-operations.Rmd @@ -33,8 +33,8 @@ Spatial operations on raster objects include subsetting --- covered in Section \ *Map algebra* covers a range of operations that modify raster cell values, with or without reference to surrounding cell values. The concept of map algebra, vital for many applications, is introduced in Section \@ref(map-algebra); local, focal and zonal map algebra operations are covered in sections \@ref(local-operations), \@ref(focal-operations), and \@ref(zonal-operations), respectively. Global map algebra operations, which generate summary statistics representing an entire raster dataset, and distance calculations on rasters, are discussed in Section \@ref(global-operations-and-distances). -Next, relation between map algebra and vector operations are discussed in Section \@ref(map-algebra-counterparts-in-vector-processing). -In the final section before the exercises (\@ref(merging-rasters)) the process of merging two raster datasets is discussed and demonstrated with reference to a reproducible example. +Next, the relationships between map algebra and vector operations are discussed in Section \@ref(map-algebra-counterparts-in-vector-processing). +In the Section \@ref(merging-rasters),1 the process of merging two raster datasets is discussed and demonstrated with reference to a reproducible example. ```{block2 04-spatial-operations-2, type='rmdnote'} It is important to note that spatial operations that use two spatial objects rely on both objects having the same coordinate reference system, a topic that was introduced in Section \@ref(crs-intro) and which will be covered in more depth in Chapter \@ref(reproj-geo-data).