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1. #ERROR IMPORTING VECTOR FILE INTO GRASS GIS SOFTWARE#
2. #ERROR IMPORTING VECTOR FILE INTO GRASS GIS CODE#
3. #ERROR IMPORTING VECTOR FILE INTO GRASS GIS DOWNLOAD#

Now that we have the data displayed, we can adjust the symbology to better suit our applications:ġ. Select Override projection check under the Projection tab and click on Run Browse to the location of the SRTM DEM and input a name for the output raster map 3. Under the File tab, select Import raster data and choose Import of common raster formats 2.

Now we can import the SRTM DEM we downloaded earlier from the USGS:ġ. Next, we will import the major roads file using the same process as above, without setting the computational region (Step 6) Right-click on the boundary file in the Layer Manager and select Set computational region from selected map(s), this creates an area of interest (AOI) and sets the computational extent around the city Select the boundary file under the drop-down menu and click OK 6. At the top toolbar select the Add vector map layer buttonĥ. Under the Optional tab, select the Override projection check and click on RunĤ. Browse to the location of the Daytona Beach boundary file 3. Under the File tab from the top of the window, select Import Vector Data and choose the Import of common vector formats 2. The GRASS session is now setup, and we can start importing the data we collected from earlier, starting with the boundary fileġ. Select your new Location and click on Start GRASS Session Importing Vector Data into GRASS Select datum 2 for Used in Florida and click on OK 8.

#ERROR IMPORTING VECTOR FILE INTO GRASS GIS CODE#

Search for NAD83 / Florida East, or input the EPSG code 26958 and click on Nextħ. Select the default Select EPSG code of spatial reference system and click on NextĦ. Specify the Project Location and Location Title, select Nextĥ. Create a New Location for your workspace in Step 2Ĥ. Browse to your selected directory in Step 1 3. Now that we have our data collected, we can open Grass GIS and setup the tutorial session:ġ. Extra data to appropriate folder Methods Starting a GRASS session

#ERROR IMPORTING VECTOR FILE INTO GRASS GIS DOWNLOAD#

Select Download, you will need to login with your account at this point if you haven't already, download as TIFF 10. Select the Daytona Beach, FL, USA file and click on Results 7. Type Daytona Beach into the Address/Place field and click on Show 6.

Expand the Digital Elevation menu, expand the SRTM submenu, select SRTM 1 Arc-Second Global 4. Select the Data Sets tab at the top of the window 3. Next, we will collect the data from the USGS website:ġ. Select Download from below the bottom-right corner of the image, and download as a shapefile 9. Extract data to appropriate folder 6: Return to the main menu and select the Transportation icon 7. Select Download from below the bottom-right corner of the image, and download as a shapefile 5.

There are several scales to choose from, select the Daytona Beach Boundary file 4. Scroll down and select the Boundaries icon 3.

The data used for this lesson are derived from two main sources, the US Geological Survey Earth Explorer tool ( ) and the City of Daytona Beach website ( ) both are open data sources, although the USGS requires you to create an account to access their data.įirst, let's begin by collecting the data needed from the City of Daytona Beach:ġ. GRASS GIS can be operated with script, but this tutorial was developed for the amateur user and will not focus on Python script application. Once installed, we can focus on collecting the data needed. This tutorial uses the latest version of Grass GIS 7.4.1, which can be downloaded for Windows, MacOSX, and Linux from their website ( ). This tutorial utilizes Grass GIS and data from the city of Daytona Beach, FL, USA, a popular vacation destination on the Atlantic Coast.

#ERROR IMPORTING VECTOR FILE INTO GRASS GIS SOFTWARE#

This tutorial aims to give an introductory lesson into conducting a very basic flood risk assessment using open source software and data. Rising water levels are especially of concern as humans tend to settle near water bodies and coastal areas. With global climate change becoming the prevalent issue of the generation, more and more people are using GIS to emulate the effects of climate change in their communities.