Questions tagged [raster-to-point]

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How to export selected pour points from a watershed raster into a point vector file in ArcGIS Desktop 10.1

After having produced a watershed and executed a snap pour point on its output how can I export selected pour points values into a point vector file.
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1answer
19 views

r.thin (GRASS) not giving correct result

I have raster image of road feature. I want to extract line feature from it. So I run r.thin tool on it of parameter - { 'GRASS_RASTER_FORMAT_META' : '', 'GRASS_RASTER_FORMAT_OPT' : '', '...
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0answers
44 views

Putting a point over pixels with highest DN values within grids in QGIS [duplicate]

I have a raster layer in greyscale, and a vector layer that is 3 x 3 m grid. One of the attributes within the grid cell layer is the value of the highest DN number within that grid cell. I just need ...
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17 views

Using gdal2xyz.py to get Raster's pixel center coordinate with it's value

I am using gdal2xyz to get pixel values translated to a point layer. my values have decimals and when I use gdal2xyz the decimals are removed. so value that were 0.345 become 345 and values that were ...
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1answer
26 views

Raster to Point in ArcMap: export raster data to a point shapefile with geometry of a given point shapefile

I want to export a calculated raster to a point shapefile with predefined geometry (i.e. positioning and extent of the points). Points not covered by the raster should return empty values (e.g. NoData)...
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1answer
53 views

ArcPy Raster to Polyline outputting empty shapefiles and a 999999 error?

I am running a lengthy script to post-process raster channel paths into polylines so I can measure their length using Add Geometry. Script runs well until I go to convert the rasters to lines using ...
1
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1answer
60 views

Raster to vector -> vector to mean line with one attribute

I am using QGIS and I need to calculate the minimum distance from points to line. I have the points in .txt format and this is ok, but I have to extract the line from the raster file showed the ...
1
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1answer
338 views

Select by attribute not working [closed]

I created a point shapefile by converting a raster into points. The default fields generated were FID, Shape, POINT_ID, and GRID_CODE. I added two new fields "X_location" and "Y_location". I ...
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1answer
61 views

Converting Raster Density File into Point using ArcGIS Desktop?

I used the Point Density tool to create raster files. I plan on scaling these density values by dividing them by the greatest density value and then multiplying the result with a certain value that is ...
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1answer
70 views

Problems with raster to point operation in QGis 2.18.17

I tried to make points of IDW or Kriging interpolation. From point csv-file I made .asc raster file, then I tried to make "raster value to points".At first QGIS wrote me about the error: ascii' ...
2
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1answer
688 views

Point to raster conversion: point not in the center of raster cell

I created a point dataset by adding a x/y coordinates from an Excel table. Here's my point shapefile: I am converting it to a raster using cell size of 1 using the point to raster in Conversion Tools....
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0answers
144 views

Why is ArcPy / ArcGIS hanging when converting batches of large rasters to points? [closed]

There are 102 raster files in total that I want to convert to points. Each raster file is 2160x4320 pixels. When running the script in the code block below, the process hangs into the third or fourth ...
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1answer
335 views

Using raster iterator, failed raster to point conversion

I am trying to resample a gdb of rasters, extract them to my study area extent, and convert them to points. The purpose of this is to have two raster data sets represented as points so I can export ...
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1answer
131 views

ModelBuilder appends .shp to output file after running

I'm running model that processes line features into a raster, and I'm using a raster to point tool to further sieve the result. When the model hasn't run yet, these are the tool parameters: As you ...