Skip to main content

Questions tagged [calculate-values]

Filter by
Sorted by
Tagged with
1 vote
0 answers
429 views

Calculating normal vector distance between two surfaces using ArcGIS Desktop?

I have two surfaces mapped out from seismic data, imported as x,y,z datasets in ArcMap and then converted to rasters using the point to raster tool. These surfaces are rugose (seafloor and an ...
Jess H's user avatar
  • 67
0 votes
1 answer
337 views

Using ouput data variables in subsequent calculation within ArcGIS ModelBuilder?

Using ArcGIS Desktop 10.3.1, I have two simple polygon shapefiles, each with just a single feature. I'm new at ModelBuilder, and have 2 tasks: calculate the acreage within each of the two shapefiles,...
user45726's user avatar
3 votes
2 answers
2k views

Extracting data from HTML field in table using ArcGIS Desktop?

I'm operating ArcGIS. I need to make a calculated field. The value of the field is a sub-string of one of the other fields. My problem is that the other field (PopUpInfo) is an HTML string: An ...
arcee123's user avatar
  • 389
1 vote
1 answer
278 views

Performing calculation in neighborhood 3x3?

I'm looking for the way to perform some calculation with each cell in neighborhood 3x3 and assign value to center cell. For example I'd like to sum z1 with z5, z2 with z5 etc. and then assign average ...
ami's user avatar
  • 767
1 vote
1 answer
561 views

Seeking point statistic tool in QGIS?

Does anyone know if there's a tool in QGIS that is equivalent to ArcGIS Point Statistics? I need to create a raster with values from an attribute in a Point layer.
Ebba's user avatar
  • 11
2 votes
2 answers
4k views

ModelBuilder: Using Parse Path in iterative model to include folder name in output file name

I have a simple model in ModelBuilder that does the following: Iterate through a folder of rasters (these are outputs from Global Climate Models) Clip each raster to a study area (Egypt), using a ...
veedub's user avatar
  • 658
2 votes
1 answer
262 views

How to use the field calculator in QGIS to determine the total of differents fields

I have an attribute table with 7 fields. I want my attribute " A1 " to be the total of " IP1 to IP5 ". I am not familiar with the request in the field calculator. How can I calculate the value of ...
Laurent Robitaille-Lainesse's user avatar
7 votes
2 answers
3k views

Cell Statistics calculation in QGIS

Cell Statistics in ArcGIS will calculate the mean (or statistic of choice) among multiple rasters on a cell-by-call basis. Can QGIS do this and, if so, how?
Tom C's user avatar
  • 99
7 votes
2 answers
7k views

Calculating average values in point layer with respect to polygon layer in QGIS

In QGIS I have two layers: a point layer with a column that contains numbers (pollution index from specific measurement point); a polygon layer with different regions. I want to find the average ...
flimm's user avatar
  • 71

1 2
3