All Questions
0
votes
0answers
2 views
How to call gdaltransform with its input?
I want to convert between different coordinates. If I'm in the command line, it's as simple as:
gdaltransform -s_srs EPSG:4326 -t_srs EPSG:32616
-122 46
And I receive the output
-2193988.77788563 ...
0
votes
0answers
2 views
Esri map: while plotting marker dynamically on map [on hold]
I am using esri map to plot pin/marker on map.
For pin/marker I am getting icon url and its color run-time from server, in order to display that icon on map I need to make modification of icon using ...
0
votes
0answers
5 views
Tile service from local tile images
I have a pre-tiled image for some area, that
Tiles are in JPG format.
Tiles do not overlap.
Each tile has its own world file.
All tiles have the same projection.
Now, I want to consume those tiles ...
-1
votes
0answers
8 views
How important is the Google Earth in scientific studies? [on hold]
I wanted to know if I can use Google Earth scientific research. How the google earth use in scientific analysis is taken by the scientific community as compared to other satellite images such as ...
2
votes
1answer
40 views
Removing white space from field using field calculator
I am trying to remove extra spaces from values in a field programatically using a python script. This is the script I'm using:
field1 = "FULLST_NAME"
calc1 = "s.join(!" + field1 + "!.split())"
s = "\'...
0
votes
0answers
7 views
Reverse viewshed or Observer Point calculation — which pixels can see the targets?
I have a point file of tombs, and am interested in understanding which areas of the DEM can see the tombs, and therefore which of the tombs is the most visible.
The Observer Point tool in ArcGIS is ...
0
votes
1answer
12 views
R: jsonlite/geojsonio: Why are these geoJSON polygons being read in different formats? And how to deal with them for shp exportation?
EDIT: Turns out fromJSON() has a variable called simplifyVector that by default goes TRUE. By setting it to FALSE I was able to turn the string into Json, from Json into geoJson and from geoJson into ...
0
votes
0answers
23 views
Rescaling coordinates of rasters, shapfiles and spatial objects from meters to km in R?
All my shp. files, rasters and Spatial objects were projected to UTM NAD83. However, I need to convert them from meters to km for calculation reason. For rasters I can easily convert the "values" by ...
1
vote
0answers
20 views
Converting linear unit to string for adding to file name in ModelBuilder?
In ModelBuilder I have a 'search distance' parameter that is a linear unit data type that I am trying to convert to a string so that it can be added to the end of a file's name so the user knows what ...
0
votes
0answers
9 views
Substitute different equation parameters (e.g. slope) when batch processing raster calculator in ArcGIS Desktop?
I have 15 multiband rasters for a total of 45 total single-bands (5 dates x 3 sensors x 3 bands per sensor) for which I need to apply a unique calibration function in the form Y=A*[exp(B*X)] to for ...
3
votes
1answer
21 views
Getting rid of small objects on raster in ArcMap?
What I want to do is to get rid of 'dark' objects which are on the green areas.
My input looks like this:
And I want my result to look like here:
Raster value of green is 1, the rest has 0 value....
0
votes
1answer
11 views
Can ArcGIS Server 10.4 be configured to include the bbox property in the GeoJson response?
I am querying a map service for a GeoJson format and the GeoJson FeatureCollection geometries from ArcGIS Server 10.4.1 do not include the bbox property.
Is it possible to configure this, either as ...
2
votes
1answer
23 views
Getting “iteration not started” when using UpdateCursor / deleteRow()?
I'm attempting to delete some features from a feature class using an arcpy.da.UpdateCursor. The line uc.deleteRow() throws an exception with the message iteration not started.
The where_clause is "...
2
votes
0answers
15 views
Pyshp draws polygons out of order after intersection of two shapefiles
I have two shapefiles. One contains electoral borders but not coastline and the other contains provinces and coastlines. I am plotting the electoral districts using Python's pyshp and filling in the ...
0
votes
0answers
21 views
Vector correcting [on hold]
I use QGIS 2.14. In fact I made wells (more than 100 holes) in a field. I took the coordinates to the DGPS that I exported to QGIS, but afterwards we checked with the RTK to check if the coordinates ...