# How to calculate the shared area between a raster and a shapefile in ArcGIS 10?

Geographic Information SystemsContents:

## Can you intersect polygon and raster?

Summary. **It is sometimes necessary to determine the areas where the attributes of a raster layer intersect a polygon layer**. In studies involving multiple attributes and covering massive acres of land, the intersecting areas may provide helpful information.

## How do you find the area of a vector in Arcgis?

**Calculating area, length, and other geometric properties**

- Start an edit session.
- Right-click the layer and click Open Attribute Table.
- Right-click the field heading for which you want to make a calculation and click Calculate Geometry.
- Click the geometric property you want to calculate.

## How do you calculate the area of a raster in Arcgis pro?

Click the Source tab and note the cell size and linear units. Now just **multiply the cellsize by the count** to get the area in square units of whatever the linear units were.

## How do I convert a raster to a polygon in Arcgis?

**Navigate to ArcToolbox > Conversion Tools > From Raster > Raster to Polygon**. In the Raster to Polygon window, specify the raster created in Step 2 in the Input raster field. Specify the name and location for the output polygon feature class. Fill in any optional parameters.

## How do you cut a raster into a polygon?

**Here are the steps to clip rasters using the Image Analysis toolbar in ArcGIS:**

- Enable Image Analysis Toolbar. Enable the Image Analysis Toolbar (Windows > Image Analysis).
- Select Raster to Clip.
- Select Polygon Boundary to Clip To.
- Click Clip Icon.
- Export Raster.

## Can a file be both vector and raster?

**Some projects combine both raster and vector images**. For example, a brochure may use vector graphics for the company logo but raster files for photography.

## What is the formula for finding the area of an arc?

**A = (θ/360°) × πr ^{2}**

θ is the sector angle subtended by the arcs at the center (in degrees), r is the radius of the circle. If the subtended angle θ is in radians, the area is given by, A = 1/2 × r

^{2}× θ.

## What is the difference between area and vector area?

Every bounded surface in three dimensions has a distinct area vector known as its vector area. It is different from the usual (scalar) surface area because **it is equal to the surface integral of the surface normal**. The three-dimensional generalization of signed area in two dimensions is vector area.

## How do you find the area of a shape with vectors?

Quote from video: *So the area of the triangle is just going to be the magnitude of a cross B. And then we'll have to divide that by 2. So this is what we're going to have to compute.*

## Can I clip a raster to a polygon?

**The Clip button on the Image Analysis window provides the functionality to clip any raster including a grid using a selected polygon feature within a feature class layer**.

## How do I combine raster and vector?

**To display the Select objects prompt at the command line, click Raster menu Merge Vector into Raster**. Select the vectors and image you want to merge.

## Can two vectors intersect each other?

For two lines to intersect, **each of the three components of the two position vectors at the point of intersection must be equal**. Therefore we can set up 3 simultaneous equations, one for each component.

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