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Find higher elevation (10m) perpendicular point from stream network at regular interval

Python Script for getting elevation difference between two pointsHow to find locations for hydro power using raster analysis?How to find the watershed area for each point in the river network using DEM？Find minimum elevation along a polyline and return xy or point?Add Z and M values to stream network produced from DEMMaking simple line more complex using QGIS?Draw a perpendicular line between point and line layerGetting average elevation in floating point format around NumPy point coordinate?Method to buffer points using euclidean distance and change in elevationAutomated creation of perpendicular lines between a point layer and a line layer

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I have a stream network and for that network, I want to find the points at regular intervals which lie at 10m distance perpendicular from the stream.The final goal is to find the buffer of that 10m elevation around the stream.

I have tried hub distance, elevation, point sampling plugins, etc.
One of my approaches was to convert the DEM to points then convert the stream network to points. Then I used point sampling to attach the stream points their respective elevation information. Now I want to make a line between the stream points and DEM points based on higher elevation and perpendicular distance.

Is there any plugin or code which can help to achieve? Also, I think that there must be a better way to find higher elevation info from Vector (Stream) and Raster (DEM) layer and the buffer if you can point to any such plugin/code/algorithm that will be a great help.

Sample image for reference:-

qgis python dem elevation stream

share

asked 3 mins ago

Swapnil Swapnil

11

New contributor

Swapnil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

I have a stream network and for that network, I want to find the points at regular intervals which lie at 10m distance perpendicular from the stream.The final goal is to find the buffer of that 10m elevation around the stream.

I have tried hub distance, elevation, point sampling plugins, etc.
One of my approaches was to convert the DEM to points then convert the stream network to points. Then I used point sampling to attach the stream points their respective elevation information. Now I want to make a line between the stream points and DEM points based on higher elevation and perpendicular distance.

Is there any plugin or code which can help to achieve? Also, I think that there must be a better way to find higher elevation info from Vector (Stream) and Raster (DEM) layer and the buffer if you can point to any such plugin/code/algorithm that will be a great help.

Sample image for reference:-

qgis python dem elevation stream

share

asked 3 mins ago

Swapnil Swapnil

11

New contributor

Swapnil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I have a stream network and for that network, I want to find the points at regular intervals which lie at 10m distance perpendicular from the stream.The final goal is to find the buffer of that 10m elevation around the stream.

I have tried hub distance, elevation, point sampling plugins, etc.
One of my approaches was to convert the DEM to points then convert the stream network to points. Then I used point sampling to attach the stream points their respective elevation information. Now I want to make a line between the stream points and DEM points based on higher elevation and perpendicular distance.

Is there any plugin or code which can help to achieve? Also, I think that there must be a better way to find higher elevation info from Vector (Stream) and Raster (DEM) layer and the buffer if you can point to any such plugin/code/algorithm that will be a great help.

Sample image for reference:-

qgis python dem elevation stream

share

asked 3 mins ago

Swapnil Swapnil

11

New contributor

Swapnil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 3 mins ago

Swapnil Swapnil

11

New contributor

Swapnil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 3 mins ago

Swapnil Swapnil

11

New contributor

Swapnil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 3 mins ago

Swapnil Swapnil

11

New contributor

Swapnil is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 3 mins ago

Swapnil Swapnil

11