Questions tagged [vectorization]
The conversion of raster data (an array of cell values) to vector data (a series of points, lines, and polygons).
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Using TIFF file in Intersect tool of ArcMap
I am attempting to do some geoprocessing with a CSV file and a TIFF file (trying to use the Intersect tool), but am experiencing some trouble with it. I can't seem to be able to input the TIFF file as ...
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FireCCI51 on Google Earth Engine: burnt area as shapefiles
How can I export my results as shapefiles (polygons) from the burnt area results (raster)?
I intend to export these shapefiles to ArcGIS for further anlysis on a specific national scale.
Link to ...
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Vectorize a raster TIFF based on its different class colors
I am using QGIS 3.16 and I have an int ratser tiff file, which shows classified land covers obtained from Sentinel-2. I need to create polygons over each class to classify and visualize each group in ...
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Creating shapefile of a raster image in QGIS 3.6
I use QGIS 3.6 on Windows and I have been trying to convert raster images into shapefiles. I managed to do that for Digital Terrain Models only, using the conversion --> vectorize tool in the qgis ...
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Converting Raster to Polygon in ArcMap
I've prepared my Shapefile in ArcMap 10.7.1 by Raster to Polygon. When I am opening this shapefile in ArcMap its showing a rectangular polygon around the shapefile like this:
When I select this ...
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Optimizing identification of tree stand boundaries
I am working on a workflow to identify tree stand boundaries. My desired result is the blue lines - I know it will never be like that, but I need it to be as good as possible. My best result is the ...
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Extract cells above certain values of raster file
I have a very large raster layer and with the values for noise emission. I'd like to extract all cells which are above a certain threshold value (e.g. 50 db) and convert them to an ESRI Shapefile so ...
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Identifying tree stand boundaries
I have a forest area, where I need to identify all the dividing lines between tree stands. I have a different amount of rastar files (RGB, NIR, DTM, DSM), and need an output with the boundaries as a ...
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Vectorizing a raster zone map without the lines turning into squares QGIS
Raster zone lines turn into squares after vectorizing my raster because of pixels between color zones QGIS
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Is my raster too large to realistically vectorize in ArcGIS Pro?
I'm new to ArcGIS Pro so go easy on me. I have a raster file(.img) of the continental US broken up into 30x30m grid resulting in about 10 billion individual pixels. I need to index each of these ...
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ArcScan equivalent in QGIS
Is there any thing in QGIS which can perform operations like ArcScan? I put WMS polygon layer as a base map. I save it as PNG and when I add it as a raster layer, I can vectorize it with ArcScan. I ...
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Automatic Vectorisation in ArcGIS
Is there any method or tool/model for ArcGIS to draw automatic line based upon raster data values.
E.g i have a DEM and i want to automatically generate a line feature passing through all those pixels ...
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Error in overlay - formula not vectorized
I've run into another error while trying to get my predictive model to work. My base model is basically done (extracting locational parameters from archaeological sites in an area, and calculating a ...
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Split single band layer in QGIS
I have a single band raster layer, namely the USGS Global Mountain Explorer Home K3 dataset.
It is a 8 bit unsigned integer GeoTIFF of 200 Mb, with 4 grey values each corresponding to a mountain ...
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Two-value raster to generalized polygons (join pixels close together into one polygon) with short computation time in QGIS or ArcMap [closed]
I want to create application map for agriculture based on NDVI map. I have theoretical way how to do it.
My raster has two values (1 - red, 0 - green), the raster is quite big (100 hectares with 6 ...
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