Patiwat Sa-angchai

Hi Teerawat,

Yes “null” value cannot be display on map and in the example also have it. You will notice that we put the other layer under the prevalence layer to makes displayed correctly (it’s grey on map).

Hello Nichcha ans Teerawat

For this assignment total malaria column is not necessary in this assignment and not use in the scoring method. don’t wary on this column once the data table can connect to spatial data correctly(every village point has their own cases data).

anyway if you need to calculate it you can done by field calculator.

Sorry for my mistake that not properly change the file name to “Malaria_Village_incidence.shp”.
and yes we’ll use “Malaria_Village_incidence.shp” as a point data for intersection.

save selected feature is not the purpose of intersection method, even they result the same as intersecting point feature with polygon layer.

if you intersecting polygon or line as a input layer with polygon as a Intersect feature(cookie cutter) the result will difference. Save selected feature don’t change boundary of polygon or line but the…[Read more]

No need for those setting QGIS already done On the fly for you once the feature was load to project. if you need the Meter measurment for this step try to working with feature in UTM coordinate reference system that already measure the map in meter unit.

Can you please upload the capture screen of your work to google drive and reply to me with that link? I cannot figure out the problem you facing now because I can settup it properly on mine.

about the size of the map Please try setting up the map sacle to 5,500,000 on map item properties(in main properties of map item). the map become smaller…[Read more]

Some picture in the practical file might be slighly difference because sometime we setup the hold project befor capture the screen. Not to warry you will set is column up in next tutorial.

For uploading project file
To send the project all you need is to send .QGZ of your project within the zip file. The rest of component we will connect it to our file to preview your result compare with your screenshot, no need for all of the raw data you downloaded.

For precision of population layer
This precision number use to…[Read more]

Hello Jonard Chu

For the free Administrative boundary of the Philippines I found some free online data here.

https://www.igismap.com/download-philippines-barangay-shapefile-free-country-boundary-polygon-shapefile/

https://data.humdata.org/dataset/cod-ab-phl?

Consider that the code for joining data for each boundary might be different.

For…[Read more]

Hello Aradhana K C

From your ms excel you need to export your result to .csv instead of saving it to .xlsx and you can export only single sheet at a time.

Hello Muhammad

For your problem about downloading QGIS.
Its might cause by your internet connection and its speed.

please try download version 3.1 (about 300MB. smaller than the lates version but work fine with this workshop)from link below.

This link is locate on our google drive, thats should make difference to downloading from original…[Read more]

Hello all

Field “Total_malaria” was removed because its do not use in any calculation and not necessary to create. If you want to try you can make this field by a field calculator in Attribute table window follow the step in the picture.

After the field was create click on toggle edit (button with a pencil) to stop editing table then save…[Read more]

Hello Pacharapol

For railway layer in the assignment we don’t need you to classify type of it, so we remove the attribute detail of railway.shp for displaying purpose only. all you need for rail layer is to symbolize it as “topo railway” in symbole libary.

Thanks for you interesting question.

Hello All

Sorry for some step in practice was skip. we will update it with your comment soon.

To add west_boundary.shp to project. It can be done the same way as adding vector file in page 12-13 and select west_boundary.shp. Once the west_boundary.shp was loaded drag it to top most layer then setting it follow the value in page 28. The…[Read more]

This cause by QGIS doesn’t know the unit of the map displayed. sorry for project coordinate setting method was skipped.

process to make scale bar display correctly is

1. remove your incorrect scale bar
2. set the project coordinate reference system(CRS)
3. add scale bar again

please follow this link krub.

Hi Ameen, Both software is a desktop stand alone GIS software that cannot make a interactive map to distribute online. Both software can give you a fantastic map and complicated analysis its up to user experience. ArcGIS have more advantage by the big set of plugin in for many specific purpose and its very stable.

The application you talk…[Read more]

Use “Move item content” in the tool box(tool on the left of the map layout screen) and scroll mouse wheel to adjust the map size as you need or you can make it more precise by put the map scale in main property of the map item.