Generate Points Along Line geoprocessing tool:
Creates point features along lines or polygons at fixed intervals or by percentage
Construct Points tool on the editing toolbar:
Creates new point features at intervals along a selected line.
Another option (thanks @mkennedy) is Create Fishnet geoprocessing tool with the label points option set to true:
You can use your field calculator for this. Add a new text field to your table that will be your key field. Right-click on its field name in the attribute table and choose Field Calculator...
Use [ColA] & [ColB] & [ColC] for your field calculation.
Method "within" works fine, because this script
import itertools as itt
with arcpy.da.SearchCursor(pgons,"Shape@") as cursor:
for row in cursor:
QGIS is out, it doesn't support raster attribute tables at all.
I don't know about GRASS.
GDAL would require you to (manually or in python code) handcraft VRTs with lookup tables from the attribute table fields for each "band", then composite the VRTs.
In ArcGIS, you can only use Lookup and Composite Bands. However, look at the versions of those functions ...
The equation to linearly scale 100-0 to 1-10 is:
-0.09x + 10
The equation to linearly scale 200-500 to 1-10 is:
0.03x - 5
You could use nested Con functions in the raster calculator to apply these equations:
Con("distance" <= 100,
-0.09 * "distance" + 10,
Con("distance" < 200,
Con("distance" <= 500,
I've developed a native iOS app using GDAL to manage the vector data, and OpenLayers (in a UIWebView) to display the layers (both raster and vector).
For vector layers, the app uses GeoJSON to communicate between OpenLayers and GDAL. It can use WMTS/TMS/WMS for raster layers.
There is a bit of a learning curve for both GDAL and for OpenLayers. But the ...
If you have follow the steps mention in Agent Analyst tool interface will not open on ArcGIS for Desktop? and then also you are getting same problem. This is due to Refresh.exe.config file. Your system will be taking as a text file. Download this file and paste it in C:\Repast 3\Agent Analyst\Refresh location. Open this file with notepad and change the ...
Some term this is as girth and the University of Connecticut, Center for Land Use Education & Research, has developed a free geoprocessing tool (Shape Metrics) to calculate this among many other shape metrics. This is mentioned in the link as an index but it is quite easy to find the radius from the formulae given. You can download it from the link, ...