add spaces around '=' for r.mapcalc examples

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@40477 15284696-431f-4ddb-bdfa-cd5b030d7da7

imagery/i.evapo.time_integration/i.evapo.time_integration.html

@@ -28,7 +28,7 @@ If you only have one meteorological station data, the easiest way is:
 n=0
 for ETo_val in Eto[1] Eto[2] ...
 do
-	r.mapcalc eto$n=$ETo_val 
+	r.mapcalc "eto$n = $ETo_val" 
 	`expr n = n + 1'
 done
 

raster/r.cost/r.cost.html

@@ -221,13 +221,13 @@ used. The calculation is done with <em>r.cost</em> as follows
 
 <div class="code"><pre>
   g.region rast=roads -p
-  r.mapcalc "area.one=1"
+  r.mapcalc "area.one = 1"
   r.cost -k input=area.one output=distance start_rast=roads
   d.rast distance
   d.rast.num distance
 
   #transform to metric distance from cell distance using the raster resolution:
-  r.mapcalc "dist_meters=distance * (ewres()+nsres())/2."
+  r.mapcalc "dist_meters = distance * (ewres()+nsres())/2."
   d.rast dist_meters
 </pre></div>
 

raster/r.in.mat/r.in.mat.html

@@ -51,7 +51,7 @@ floating point array, so this usually isn't an issue. To save space, once the
 map is loaded into GRASS you can convert it back to an integer map with the 
 following command:
 <div class="code"><pre>
-r.mapcalc int_map="int(MATFile_map)"
+r.mapcalc "int_map = int(MATFile_map)"
 </pre></div>
 
 <tt>NaN</tt> values in either floating point or double-precision floating point

raster/r.in.xyz/r.in.xyz.html

@@ -227,7 +227,7 @@ Ridge, NC, LIDAR dataset</a>, and process into a clean DEM:
 
 <li> <em>n</em> map <tt>percent=100</tt> and <tt>percent=xx</tt> maps
   differ slightly (point will fall above/below the segmentation line)
-  <br>Investigate with "<tt>r.mapcalc diff=bin_n.100 - bin_n.33</tt>" etc.
+  <br>Investigate with "<tt>r.mapcalc diff = bin_n.100 - bin_n.33</tt>" etc.
   <br>Cause unknown.
 
 <li> "<tt>nan</tt>" can leak into <em>coeff_var</em> maps.

raster/r.li/r.li.patchdensity/r.li.patchdensity.html

@@ -24,7 +24,7 @@ Example for Spearfish forest areas:
 g.region rast=landcover.30m -p
 # extract forested areas:
 r.category landcover.30m
-r.mapcalc "forests=if(landcover.30m >= 41 && landcover.30m <=43,1,null())"
+r.mapcalc "forests = if(landcover.30m >= 41 && landcover.30m <=43,1,null())"
 
 # patch density (7x7 moving window defined in r.li.setup):
 r.li.patchdensity forests conf=movwindow7 out=forests_p_dens7

raster/r.statistics/r.statistics.html

@@ -76,7 +76,7 @@ Calculation of average elevation of each field in the Spearfish region:
 <div class="code"><pre>
 r.statistics base=fields cover=elevation.dem out=elevstats method=average
 r.category elevstats
-r.mapcalc "fieldelev=@elevstats"
+r.mapcalc "fieldelev = @elevstats"
 r.univar fieldelev
 </pre></div>
 

raster3d/r3.cross.rast/r3.cross.rast.html

@@ -51,7 +51,7 @@ g.region -d
 g.region res=150 res3=150 t=1000 b=0 tbres=100
 
 # synthetic data, could be geological structures:
-r3.mapcalc "map3d=sin(row())+sin(col())+sin(depth()*depth())"
+r3.mapcalc "map3d = sin(row())+sin(col())+sin(depth()*depth())"
 
 #create a cutplane map
 r.mapcalc "cutplane = col()*10"

raster3d/r3.gwflow/r3.gwflow.html

@@ -67,12 +67,12 @@ groundwater flow area and data. Make sure you are not in a lat/lon projection.
 g.region res=25 res3=25 t=100 b=0 n=1000 s=0 w=0 e=1000
 
 #now create the input raster maps for a confined aquifer
-r3.mapcalc "phead=if(row() == 1 && depth() == 4, 50, 40)"
-r3.mapcalc "status=if(row() == 1 && depth() == 4, 2, 1)"
-r3.mapcalc "well=if(row() == 20 && col() == 20 , -0.00025, 0)"
-r3.mapcalc "hydcond=0.00025"
-r3.mapcalc "syield=0.0001"
-r.mapcalc  "recharge=0.0"
+r3.mapcalc "phead = if(row() == 1 && depth() == 4, 50, 40)"
+r3.mapcalc "status = if(row() == 1 && depth() == 4, 2, 1)"
+r3.mapcalc "well = if(row() == 20 && col() == 20 , -0.00025, 0)"
+r3.mapcalc "hydcond = 0.00025"
+r3.mapcalc "syield = 0.0001"
+r.mapcalc  "recharge = 0.0"
 
 r3.gwflow --o -s solver=cg phead=phead status=status hc_x=hydcond hc_y=hydcond  \
 hc_z=hydcond q=well s=syield r=recharge output=gwresult dt=8640000 velocity=gwresult_velocity

raster3d/r3.out.vtk/r3.out.vtk.html

@@ -75,10 +75,10 @@ the default region).
 <div class="code"><pre>
 g.region -d
 g.region res=150 res3=150 t=80 b=0 tbres=10
-r.mapcalc "bottom=1800. - elevation.10m"
+r.mapcalc "bottom = 1800. - elevation.10m"
 
 # synthetic data, could be geological structures:
-r3.mapcalc "map3d=row()+col()+depth()"
+r3.mapcalc "map3d = row()+col()+depth()"
 
 #export of volume to VTK:
 r3.out.vtk -s input=map3d top=elevation.10m bottom=bottom output=/tmp/out.vtk
@@ -95,10 +95,10 @@ g.region -d
 g.region n=4926970 s=4914857 w=591583 e=607793 res=50 res3=50 t=80 b=0 tbres=10
 
 #create a bottom surface
-r.mapcalc "bottom=1800. - elevation.10m"
+r.mapcalc "bottom = 1800. - elevation.10m"
 
 # synthetic data, could be geological structures:
-r3.mapcalc "map3d=row()+col()+depth()"
+r3.mapcalc "map3d = row()+col()+depth()"
 
 #get some satellite images with r.in.onearth
 r.in.onearth -l output=Sat tmband=Red
@@ -125,15 +125,15 @@ g.region -d
 g.region n=4926970 s=4914857 w=591583 e=607793 res=50 res3=50 t=80 b=0 tbres=10
 
 # create a bottom surface
-r.mapcalc "bottom=1800. - elevation.10m"
+r.mapcalc "bottom = 1800. - elevation.10m"
 
 # synthetic data, could be geological structures:
-r3.mapcalc "map3d=row()+col()+depth()"
+r3.mapcalc "map3d = row()+col()+depth()"
 
 # synthetic vector data, could be groundwater stream vectors
-r3.mapcalc "x_part =sin(row())"
-r3.mapcalc "y_part =cos(col())"
-r3.mapcalc "z_part =sin(depth())"
+r3.mapcalc "x_part = sin(row())"
+r3.mapcalc "y_part = cos(col())"
+r3.mapcalc "z_part = sin(depth())"
 
 
 # export the stuff data to VTK:
@@ -150,7 +150,7 @@ paraview --data=/tmp/out.vtk
 <div class="code"><pre>
 #reduce resolution:
 g.region -dp3 res=1000 res3=1000
-r.mapcalc "bottom=100"
+r.mapcalc "bottom = 100"
 
 #export of volume to VTK:
 r3.out.vtk -s in=precip3d.500z50 top=dem500 bottom=bottom out=/tmp/slovakia3d.vtk

vector/v.hull/v.hull.html

@@ -27,7 +27,7 @@ Example of <em>v.hull</em> output:
 Example of <em>v.hull</em> 3D output (using two random 3D point clouds):
 <div class="code"><pre>
 g.region rural_1m -p
-r.mapcalc zero=0
+r.mapcalc "zero = 0"
 v.random -z out=random3d_a n=10 zmin=0 zmax=200
 v.random -z out=random3d_b n=15 zmin=400 zmax=600
 v.hull random3d_a out=random3d_a_hull