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1)Add the shapefile. 2)Toggle editing. 3)Add new field (type=text). 4)Open properties of shp. 5)Go to attribute forms and set the widget type as an attachment. 6)Provide default path(NOT A NECESSARY STEP) 7)Check on 'Display resources path' and 'Display button to open file dialog'. 8)Set document viewer as an image. 9)Click 'OK' and close. 10)Click on 'Identify features', click on the point and...

Visualisation of flow directions using 'Arrow' symbols #Qgis #FlowDirection

In this video, we create Thiessen polygons (Voronoi polygons) for a catchment using the sets of rainfall stations provided.

1)Open HEC-HMS. 2)Create a new project. 3)Go to Components→Terrain Data Manager and load the digital elevation model (DEM). 4)Go to Components→Basin Model Manager→Create New Basin→Add Terrain to the basin (Skipping causes the program to adopt the projection of terrain data set.) [Sometimes, the terrain might not be displayed properly on the screen although the data is there. This might have hap...

In this video, we'll create a LandsatLook Natural Color Image in QGIS by building a Virtual Raster. I'm going to use Landsat 4 data for an example. You can use other Landsat data as well. The band combinations is going to be different depending upon the Landsat data you have but the process is same for all. For building virtual rasters, Raster Misc Build Virtual Raster Make sure that the input ...

1)Download and install the OSMDownloader plugin in QGIS. . 2)Add google map layers through XYZ Connection. Use the links like the following ones. You can easily find these in google. (Use the suitable ones.) Roadmap: mt0.google.com/vt/lyrs=m&hl=en&x={x}&y={y}&z={z} Hybrid mt0.google.com/vt/lyrs=y&hl=en&x={x}&y={y}&z={z} Terrain mt0.google.com/vt/lyrs=p&hl=en&x={x}&y={y}&z={z} 3)Open the OSMDown...

SW DTM: softwel.com.np/download_software STEPS: 1)Open your contour in AutoCAD. 2)Check the layer of your contours. 3)Draw the alignment in different layer or import it. 4)Open SWDTM. 5)Process the contour. While processing, make sure that you choose the correct layer used for contours for processing. 6)Triangulate. 7)Click on 'X-section' and then on sections by DTM. 8)Enter the values of Start...

SW_DTM: softwel.com.np/download_software MUSIC: th-cam.com/video/hqPJY0hIpxk/w-d-xo.html

In this video, we'll learn about the basics of HEC-HMS. And for that, we'll do Muskingum Routing Method. HEC=Hydrologic Engineering Center HMS=Hydrologic Modelling System 1)Open HEC-HMS. 2)Click on 'File' and then New'. And give suitable name and location path. 3)BASIN MODEL MANAGER: i)Click on 'Components' 'Basin Model Manager' 'New'. ii)Click on 'Basin Model' and then on Basin that we just cr...

This video will demonstrate an example of modeler in QGIS. For an example of modeler in QGIS, we'll create a MCDM (Multi-Criteria Decision Making) model to find areas suitable for paddy cultivation. We'll use soil data, landuse data and slope (slope will be generated from the DEM). In an attribute table of these shapefiles, the field for suitability values for all features is present in which t...

There are numerous softwares and methods to calculate the volume of a reservoir. The method demonstrated in the video is one of the simplest and fastest method to get the approximate volume of the reservoir.

There are many ways to convert a shapefile into its dwg format and this video is about using AutoCAD Map 3D to do so. Just importing a shapefile into the map 3D won't help. There are few steps to consider for the meaningful conversion.