Raster conversion between raster formats. Do NOT use for raster to vector conversion (and vice versa) - for that use vectorizing (and rasterizing)

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2
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1answer
47 views

extract raster names by points

I use ArcGIS 10.2.2 and I have a problem with some frames extracted from a video. I have the frames (more then 1000) georeferend and I have a track file with the corresponding points. I wrote down ...
0
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1answer
28 views

GRASS 7.0.0beta3 / statistics change after TIF import?

I'm new to this forum, and pretty much a beginner with GRASS (7.0.0beta3 installed atm). So my question is the following: Statistics (mean, min, max) change quite a lot after importing a .TIF grid ...
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1answer
52 views

ArcGIS Raster to Polygon conversion not always outputting Class Names?

I'm having issues converting a cropland data layer using the conversion tools>>raster to polygon tool. I try to convert the data and select the field "class names" to assign values to the polygons in ...
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1answer
25 views

How do you distribute values evenly within zones when converting polygon to raster?

I'm trying to convert a (traffic analysis zone) TAZ polygon to raster so that the population values are evenly distributed within each zone. So far, when converting the TAZ polygon, the same ...
2
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0answers
112 views

ImportError: No module named gdal qgis2.8.1

i am using QGIS 2.8.1 (32 bit) in windows 7). I imported two DEMs and trying to merge (QGIS>Raster>Miscellaneous>Merge)them. Unfortunately it gives me import error as below. Traceback (most recent ...
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0answers
96 views

What is the best method to convert MRSID files to other formats in ArcMap 10.1?

I have some large MRSID files of counties in TN. They are 3 banded, about 4 - 7 GB, and 3rd generation. I've been in the process of converting them to 3 banded TIFF files using Export Raster Data. I ...
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0answers
71 views

List of vector to one raster in PostGIS

Hi PostGIS developers! I need to rasterize a part of OSM map by coordinates. I found rather good algorithm, but can’t finish it. I have problems in STEP 3. I described all algorithm here – may be ...
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0answers
64 views

Choosing the map scale (1:nnn) for the given raster dimension

Starting points: let define the raster image size, say: 1800x900 pixels I want draw my own raster image map - by drawing polygons e.g. like "draw line from pixel with coordinates x100y100 to pixel ...
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89 views

How do I present labels in raster format in ArcMap 9.3?

I'm creating a raster map of a large city in ArcMap 9.3 which will be used in a third party software. My problem is that I need to find a way to include labels of street names in my output. I have a ...
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0answers
53 views

Batch Convert GRID to TIFF with colormap and RGB

There are lots of questions on here regarding raster conversion, but I can't find anything specific to my needs (involving output as RGB and using a Colormap). I have a folder full of ESRI GRID ...
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30 views

Modify a Python script to one that uses RasterDomain_3d fuctionality - and writes resulting shapefiles it to one

As I am not very experienced with Python I need your help. I managed to modify a Script (that has been posted here Get boundary of raster image as polygon in ArcGIS Desktop? by ...
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13 views

Can I create rasters from points with values based on a related table?

I have weed mapping (points) and weed monitoring (tabular related table) data in a file geodatabase. I would like to convert the points to raster based on the weed cover values in the weed monitoring ...
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75 views

Making grayscale map from multiple band satellite image in ArcGIS for Desktop?

I have satellite multiple band map, I needs to make grayscale map,what should i do? what is the steps? which band and format of input are to be used in this? How to make attribute table of this? In ...
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0answers
87 views

Error issues when using Cut Fill operation in ArcGis 10.2

I wonder if someone is able to assist with an issue I have about a series of errors I get when using the cut/fill tool in spatial analyst, ArcGis 10.2? Someone posted a question sometime last year ...
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0answers
100 views

Big data rastering using ArcGIS Platform?

I have the daunting task doing raster analysis on a record set that runs into quite a few millions, and worse still is that the data is in Hive. So far I have managed to use record set of 2 million ...
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0answers
202 views

How to open a raw binary raster in QGIS or R

I have a raw binary raster without a file ending, and no header file. I would like to open this in either QGIS or R and then convert to geotiff, but opening it seems to be a challenge. Here is a ...
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14 views

Converting SQLite db file into .kmz?

How to convert SQLite db (map data) into .kmz format. I am unable to connect already downloaded sqlite db file to Global Mapper application. I have downloaded these files on my android mobile.
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22 views

Raster to point: 10 rows in the attribute table per 1 point

I have just made Raster to Point operation. In the output, if I select a point on the map, in the attribute table appear I have just selected 10 rows. How is it possible? Where, in the Raster to Point ...
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23 views

PostGis - ST_AsRaster returning raster smaller than reference raster

I am trying to convert a point geometry to a raster using a reference raster: SELECT ST_AsRaster(my_points, ref_raster) FROM my_table This works fine except it is only returning a subset of the ...
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26 views

GDAL conversion to Terragen outputs file full of zeros?

I recently learned some gdal command line syntax in my attempt to convert some geotiff files to the Terragen format. During my first attempt I noticed a message about nodata values: gdalwarp -of ...
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60 views

Convert tif raster format to jpg format

Continusly to Convert jpg raster format to tif format, i try to convert tif file to jpg: import arcpy, os , glob outworkspace = r"C:\Project\out\OtherFormat" listOfFiles = glob.glob( ...
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19 views

Aligning to DEM after TIFF conversion to GRID?

I can convert a TIFF (NASS Cropscape) by using Create Raster in my .gdb or Export to other Format. However, all efforts to align the extent to an existing DEM have escaped me! I have tried Snap ...
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0answers
62 views

What's the best way to convert points to raster and back again?

To convert raster grids to vector points In QGIS there we have different possibilities (grass tool "to.vect"; saga tools "grid values to points"). My problem is a little bit complicated. In the ...
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58 views

how to generate the average wind speed raster from time series wind datasets (in Netcdf file form)

I download the wind speed information in netCDF form from the 2001 - 2013(i.e 1/1/2001, 1/2/2001, 1/3/2001............. 1/11/2013,1/12/2013) In NetCDF file the 1st row contains latitude , 1 st ...
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38 views

RasterToPolygon tool is looking inside the output location and not reading the fields

I am trying to convert IMG classified rasters to polygons. I created a code using the Raster to Polygon tool and it worked for 8 of the 50 files; for the rest, I get errors 010157 (Unable to open ...
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31 views

Interpolating points to surface not working

I am trying to create a surface from points using IDW interpolation. Have tried both 3D analyst and Spatial Analyst tool with my selected xyz data sheet. It appears to process and I don't get an error ...
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149 views

How to save a WMS layer at multiple resolutions as .tif using pyqgis

How can I export a wms-map-extent as a .tif from QGIS? Is it possible to call the "Save as.." function of a WMS-raster-layer from pyqgis? (E.g. by simulating right-clicking the layer, choosing "Save ...
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19 views

Extra Column after Using Polyline to Raster

Does anyone know why there is an extra column in the resulting raster file (Raster2) after using the tool Polyline to Raster in ArcMap 10.2? I had imported the cell size and set the extent to be the ...
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77 views

How to choose which band is used to calculate DN when converting a raster to vector?

I currently have a raster layer of flood water levels (elevation) which I need to convert to a shapefile for future use. My raster is 4 bands: RGB + one band with values from 0 to 10, representing 10 ...
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50 views

Long Time for conversion raster file to vector in QGIS

I'm a new user of QGIS, and I'm tring to convert a .tif file in a vector. To do that I have used the "Raster conversion" option, but it's taking long time. I'm waiting for the conversion since 20 ...
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98 views

select by attributes in modelbuilder while using iterate?

I have crated a model that iterates GPX-files from a folder and works through it and gives me a raster as output with pixel values after how many tracks passes through each pixel. This works the way ...
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96 views

Loop - convert layer to raster coming up blank

I am looping through files, selecting out building footprints one by one and converting the selected building footprint to a raster. The script worked fine for about 2 hours this morning then stopped ...