All Questions
15
questions
0
votes
0
answers
178
views
Get table in ArcPy object
I would like to get the output of StackProfile() into an ArcPy object to avoid writing files. As far as I know this is possible to do with geometry objects but I have not found a way to do it for ...
- 69
3
votes
2
answers
237
views
Summary of raster values for a region
I'm stuck with a problem:
I got three raster's layers: "Sand", "Clay" and "BD" (Bulk density) of the same region.
How can I obtain a "table" or a "Data ...
1
vote
0
answers
156
views
Raster to ASCII -9999 for all cells!
I am trying to simply get the value of each cell in my raster using the Raster To ASCII tool in ArcGIS Desktop. I have absolutely no idea what I am doing wrong. The output I get is all -9999 when the ...
- 21
-1
votes
1
answer
296
views
How do I view and export table with slope data for raster and TIN?
Using an original point file, I created a DEM raster with IDW interpolation as well as a TIN. I used surface analysis to create 3D slope layers, one with degrees for the raster (IDW) and one with ...
- 1
1
vote
1
answer
788
views
raster info as table in R
I want to display the information of a raster layer as a table or data frame in R. In particular, I am most interested in the raster name and resolution.
I want the information which shows by just ...
- 529
1
vote
1
answer
376
views
Convert PostGIS raster table into DTED2
I've the following table in PostGIS
-- Table: public.elevation_data
-- DROP TABLE public.elevation_data;
CREATE TABLE public.elevation_data
(
rid integer NOT NULL DEFAULT nextval('...
- 209
0
votes
1
answer
229
views
Calculate Raster with value from table
I would like to multiply all the values within a raster layer with one value, which is written in an *.csv table (it is the only value in this table).
I tried this code (changing Times tool to Minus ...
- 11
1
vote
1
answer
121
views
Storing Lat Long Ranges in Tables
Has anyone tried to store nation-wide lat/long ranges as a look-up table?
For example: If you had a polygon dataset that covered the entire US (for example, county polygons). And you wanted to look ...
- 243
2
votes
1
answer
350
views
Extracting Mean from Raster and Writing to Table in ArcPy?
I am simply trying to extract the mean of each raster within a geodatabase and write the value to a table. I have done this successfully with another set of rasters, but now I keep getting the ...
- 23
1
vote
1
answer
863
views
Assigning a value to a polygon cell
In ArcMap 10.3 I have a raster file with a polygon grid overlayed on it:
If the pixels in the colored raster have values such as blue = 5, yellow = 1, green = 3 etc, is there a way to output a table ...
- 59
1
vote
1
answer
847
views
Convert a lat, long, value table into a raster
I would like to to convert a table with latitude, long, and a value into a raster. My file looks like this:
X Y Z
32.85138942 -6.643054718 0
32.85138942 -7.059721474 1004
32.85138942 -7....
- 11
1
vote
1
answer
206
views
Is the PostGIS Raster primary key required to be named rid?
In all examples from the PostGIS Raster reference the primary key in tables with a raster column is named rid. I wonder if that naming is expected by any functionality of PostGIS itself or any client ...
- 3,033
1
vote
1
answer
132
views
Adding images to raster field in batch
I have about 300 records in an attribute table that each need an image to go with them. I've created a raster field on the table, and I've got all the needed images as rasters in the same GDB. I've ...
- 71
4
votes
2
answers
19k
views
How to reclass a raster with reclassify grid values in QGIS?
I'm new in QGIS and I'm trying to reclass a raster with reclassify grid values.
I want to reclassify by table, however fixed table has only 3 rows and I need some more, but button to add is not ...
- 41
2
votes
2
answers
1k
views
How to extract cell values from a raster file with Idrisi Taiga?
I need to convert raster cells into points. I use Idrisi and I need to generate a table containing xy (coordinates) and z (cell value).
- 21