Discovering GIS and ArcGIS Chapter $12$:

Question $12\mathrm{.}1$: How are the major roads in the county being modeled with raster data?

Question $12\mathrm{.}2$: How many grid cells does this dataset contain? $($Hint: the rows and columns are available to you in the Properties.$)$

Question $12\mathrm{.}3$: How many square meters does the entire grid cover? $($Hint: the grid$-$cell size, in meters, is available to you in the Properties.$)$

Question $12\mathrm{.}4$: How many zones are in the NLCDmahon raster grid?

Question $12\mathrm{.}5$: How many cells are in each zone? $($That is$,$ how many pixels are in the first zone $(11),$ how many are in the second zone $(21),$ and so on$?)$

Question $12\mathrm{.}6$: Why is your answer from Question $12\mathrm{.}5$ so much lower than the sum total of your answers to Question $12\mathrm{.}2?$ What accounts for this discrepancy?

Question $12\mathrm{.}7$: How many regions have been created?

Question $12\mathrm{.}8$: What land use does the region with the greatest number of grid cells represent?

Question $12\mathrm{.}9$: How much real$-$world area does this region take up $($in square meters$)?$

Question $12\mathrm{.}10$: Redo the regiongroup procedure to create a raster called regionG$2,$ but use the four option for number of neighbors instead. $($This means that only grid cells that are contiguous in the four cardinal directions will form a group, instead of in all eight directions.$)$ Find the largest region again. How much real$-$world area does this new region $($computed using the four option instead of eight$)$ take up $($in square meters$)?$

Question $12\mathrm{.}11$: How closely $($in terms of the spatial arrangement$)$ does the raster version of Evans Lake match the vector feature class version?

Question $12\mathrm{.}12$: How many grid cells does Evans Lake consist of when modeled with $100-$meter grid cells?

Question $12\mathrm{.}13$: How does the spatial arrangement of the lake$$s $100-$meter grid compare to the vector feature class?

Question $12\mathrm{.}14$: How many grid cells does Evans Lake consist of when modeled with $10-$meter grid cells?

Question $12\mathrm{.}15$: How does the spatial arrangement of the lake$$s $10-$meter grid compare to the vector feature class?

Question $12\mathrm{.}16$: What is the advantage of using the lake$$s $100-$meter raster to represent Evans Lake, and what advantage is there to using the lake$$s $10-$meter raster to represent Evans Lake?